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<p><li><b>LATEST:</b> <br><a href="TESTF600.HTM"><font color=teal><i><b>1.b4 e5 2.Bb2 Bb4 3.f4 ef4 4.Bg7 Qh4 5.g3 fg3 6.Bg2 gh2 7.Kf1 hg1Q</b></i></font></a>
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<p><li><a href="TESTF475.HTM"><font color=brown><i><b>1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 d5</b></i></font></a>
<p><li><a href="TESTF460.HTM"><font color=brown><i><b>1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.Be2 0-0</b></i></font></a>
<p><li><a href="TESTF450.HTM"><font color=brown><i><b>1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6</b></i></font></a>
<p><li><a href="TESTF420.HTM"><font color=brown><i><b>1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 0-0 5.Nf3 d5</b></i></font></a>
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<p><li><a href="TESTF300.HTM"><font color=brown><i><b>1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Bg4</b></i></font></a>
<p><li><a href="TESTF270.HTM"><font color=brown><i><b>1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0–0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8 9.Be2 Re3!?</b></i></font></a>
<p><li><a href="TESTF250.HTM"><font color=brown><i><b>1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0 6.e3 d5 7.cd5 Nd5 8.Nf3 Re8</b></i></font></a>
<p><li><a href="TESTF205.HTM"><font color=brown><i><b>1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0-0</b></i></font></a>
<p><li><a href="TESTF200.HTM"><font color=brown><i><b>1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6</b></i></font></a>
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<b>
<pre>

<font color=teal size=+1>
<i>(2022-02-01)</i>
<i>(All annotations below by Fritz)</i>
<A HREF="index-pay-pal.htm"><i><b><font color=red>(Games' source: Marek's 1.b4 database)</font></b></i></a>
</font>


[Event "Polar Capital Jersey Open"]
[Site "?"]
[Date "2019.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Akshat, Khamparia"]
[Result "0-1"]
[WhiteElo "2175"]
[BlackElo "2415"]
[PlyCount "68"]
[EventDate "2019.??.??"]

1. b4 e5 2. a3 d5 3. Bb2 Bd6 4. c4 c6 5. Nf3 Nd7 6. e3 Ngf6 7. Nc3 O-O 8. Qc2
a5 9. b5 {last book move} Nc5 (9... e4 10. Nd4 Ne5 11. bxc6 bxc6 12. cxd5 cxd5
13. Ncb5 $15) 10. bxc6 d4 11. Nd5 (11. exd4 exd4 12. Nxd4 Re8+ 13. Be2 bxc6 $15
) 11... bxc6 12. Nxf6+ (12. exd4 $142 $5 exd4 13. Nxf6+ Qxf6 14. Bxd4 Re8+ 15.
Be2 $15) 12... Qxf6 $19 13. exd4 exd4 (13... Bf5 $5 14. Qd1 exd4 15. Bxd4 Qg6
$19) 14. Bxd4 $15 Re8+ 15. Be2 Bf5 16. Qc3 $2 (16. Bxf6 $142 $5 Bxc2 17. Bd4
$15) 16... Qg6 $19 17. Be3 Ne4 (17... Qxg2 $2 18. Rg1 Ne4 19. Rxg2 Nxc3 20.
dxc3 $18) 18. Qc1 Qxg2 19. Rg1 Qh3 20. d3 Nc5 21. Qc3 Bg6 22. Rg5 $2 (22. Qd4
$142 Qd7 23. Rd1 $19) 22... Nxd3+ $1 23. Bxd3 Qxf3 24. Be2 (24. Bf1 Be7 (24...
Bxh2 $6 25. Bg2 Qf4 26. Rxg6 hxg6 27. Bxc6 $19) 25. Bg2 Bf6 $19) 24... Qe4 (
24... Qh1+ $5 25. Kd2 Qxh2 26. Rag1 $19) 25. Rd1 (25. Rxa5 Rab8 26. Rd1 Qh1+
27. Kd2 Qxh2 $19) 25... Bf4 26. Rg4 (26. Qd4 Bxg5 27. Qxe4 Rxe4 28. Bxg5 $19)
26... Qh1+ 27. Kd2 Rad8+ 28. Kc1 (28. Bd3 Rxe3 29. Rxh1 Rexd3+ 30. Kc2 Rxc3+
31. Kxc3 Rd3+ 32. Kc2 Rf3+ 33. Kd1 $19) 28... Rxd1+ 29. Bxd1 Rd8 30. Qb3 Bxe3+
(30... Rb8 $142 31. Qxb8+ Bxb8 32. Rd4 $19) 31. fxe3 Rxd1+ $1 32. Qxd1 Qxd1+
33. Kxd1 Bh5 34. h3 (34. Kc2 Bxg4 35. Kd3 $19) 34... f5 0-1

[Event "Hastings Masters"]
[Site "?"]
[Date "1995.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Ashby, Ann Marie"]
[Result "1-0"]
[WhiteElo "2330"]
[BlackElo "2090"]
[PlyCount "129"]
[EventDate "1995.??.??"]

1. b4 e5 2. a3 g6 3. Bb2 Bg7 4. e3 (4. f4 Nc6 $11) 4... Ne7 (4... d6 5. d4 $11)
5. Nf3 d6 6. c4 (6. Be2 O-O $11) 6... O-O 7. Nc3 (7. d4 Bf5 $11) 7... f5 (7...
a5 8. d4 $11) 8. d4 e4 9. Nd2 Nd7 (9... c5 10. Nb3 $11) 10. Qb3 (10. Be2 Nc6
$14) 10... Nf6 (10... c5 11. Nb5 Nf6 12. bxc5 dxc5 13. dxc5 $14) 11. Be2 $14 h6
(11... Be6 12. O-O $14) 12. f3 (12. O-O d5 $14) 12... f4 (12... exf3 13. Bxf3
Ng4 14. Ne2 $14) 13. Ncxe4 $14 Nf5 14. Nf1 Nxe4 (14... fxe3 15. Neg3 $14) 15.
fxe4 Qh4+ 16. Kd1 Ng3 17. hxg3 (17. Nxg3 fxg3) 17... Qxh1 $17 18. gxf4 Qxg2 (
18... Bg4 19. Ke1 Bxe2 20. Kxe2 Qxg2+ 21. Kd3 $17) 19. Nd2 h5 (19... Be6 $5 $15
) 20. c5+ $11 Kh7 21. Nf3 Bg4 22. Ng5+ Kh6 (22... Kh8 23. Bxg4 Qxg4+ 24. Kd2
Qg2+ 25. Kd3 $11) 23. Bxg4 Qxg4+ 24. Kd2 (24. Kc2 Qg2+ 25. Kd3 h4 $11) 24...
Bf6 (24... Rxf4 25. exf4 Qxf4+ 26. Kc2 Qf2+ 27. Kb1 Kxg5 28. Qd5+ Kh6 29. cxd6
cxd6 30. Qxb7 $15) 25. Ne6 $14 Rf7 26. e5 dxe5 27. dxe5 Rd7+ 28. Bd4 (28. Nd4
$5 Bg7 29. c6 bxc6 30. Qc4 $15) 28... Bh4 $17 29. Kc3 (29. c6 $142 Qg2+ 30. Kc1
Qxc6+ 31. Kb1 $17) 29... Re8 (29... Re7 $142 30. Rh1 a6 $17 (30... Rxe6 31.
Rxh4 Qxh4 32. Qxe6 $14)) 30. c6 $11 bxc6 31. Nc5 Rd5 32. Qa4 Rxd4 $2 (32... Bf2
33. Qxc6 (33. Qxa7 $2 Qe2 $19) 33... Red8 34. Ne6 (34. Qxc7 Qh3 35. Kb2 Bxe3
$19) 34... Bxe3 35. Bxe3 $17) 33. exd4 (33. Kxd4 Qf3 34. Nd3 $11) 33... Qxf4
$14 34. Qxc6 (34. Nd3 Qf3 $16) 34... Qe3+ (34... Rxe5 $142 35. b5 Re3+ 36. Nd3
Qf3 37. Qxf3 Rxf3 $17) 35. Kc4 $14 Qe2+ 36. Kb3 Re7 37. Ka4 (37. Ne6 Bf2 38.
Ka4 Rxe6 39. Qxe6 Bxd4 $15) 37... Qc2+ $11 38. Kb5 Qe2+ 39. Ka4 Qc2+ 40. Kb5
Qe2+ 41. Ka5 (41. Ka4 Qc2+ $11) 41... Qb2 42. Rg1 Qxa3+ 43. Kb5 Rg7 44. Qe4 (
44. Ne6 $5 Bf2 45. Qc1+ (45. Nxg7 $143 Qd3+ (45... Bxg1 46. Nf5+ Kg5 47. Qf6+
Kg4 48. Qxg6+ Kf4 49. Ng7 c6+ 50. Qxc6 a6+ 51. Qxa6 Qd3+ 52. Ka5 Qa3+ 53. Kb5
Qd3+ 54. Ka5 Qa3+ 55. Kb5 $11) 46. Ka4 Bxg1 $17) 45... Qxc1 46. Rxc1 $11) 44...
Be7 $15 45. e6 (45. Qc2 Bxc5 46. Qxc5 Qd3+ 47. Qc4 Qe4 $15) 45... c6+ (45... g5
46. Qa8 $17) 46. Qxc6 (46. Kxc6 a5 47. b5 Rg8 $11) 46... Bxc5 (46... Qe3 $5 47.
Rh1 Qxd4 $17) 47. Qxc5 (47. dxc5 Qe3 48. Ra1 Qe2+ 49. Ka4 Re7 $15) 47... Qd3+ (
47... Rb7+ 48. Kc4 Qa6+ 49. Kc3 Qxe6 50. Qe5 $17) 48. Kc6 $11 Qa6+ 49. Kd5 Qa2+
(49... Rb7 50. e7 Qa2+ 51. Ke5 $17) 50. Qc4 Qf2 51. Qf1 Qa2+ 52. Ke5 a5 (52...
Kh7 53. b5 $16) 53. Rg2 Qb3 (53... Qa3 54. Qf4+ Kh7 55. bxa5 Qxa5+ 56. d5 Qc7+
57. d6 Qa5+ 58. Kf6 Qc3+ 59. Kg5 $17) 54. Qf4+ (54. Qc1+ Kh7 55. bxa5 Qb8+ 56.
Ke4 Re7 $16) 54... Kh7 $14 55. d5 (55. bxa5 Qb8+ 56. Ke4 Qb1+ 57. Kf3 Qf1+ 58.
Kg3 Qe1+ 59. Kh2 Qxe6 $14) 55... axb4 (55... Qc3+ 56. Qd4 Qe1+ 57. Kd6 axb4 58.
Rg1 $15) 56. d6 Ra7 (56... Qc3+ $142 57. Qd4 Qh3 $14) 57. Re2 $4 Ra5+ $19 58.
Kf6 Qc3+ (58... Rf5+ $142 59. Qxf5 $5 gxf5 $19) 59. Re5 $11 Rxe5 (59... b3 60.
Qg5 Qf3+ 61. Ke7 $17) 60. Qxe5 $14 Qf3+ (60... Qxe5+ 61. Kxe5 b3 62. e7 $14)
61. Ke7 Kg8 (61... Qc3 $142 62. Qb5 b3 $14) 62. Qf6 Qb7+ (62... Qd5 $18) 63. d7
b3 64. Qxg6+ Kh8 65. Kf7 (65. Kf7 Qf3+ 66. Ke8 Qc6 67. Qxh5+ Kg7 68. Qg5+ Kh7
69. Ke7 Qa8 70. Qh5+ Kg7 71. Qg4+ Kh7 72. Kf7 Qf8+ 73. Kxf8 Kh6 74. d8=Q b2 75.
Qdh4#) 1-0

[Event "24th Schloss Open"]
[Site "?"]
[Date "2018.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Bejaoui, A."]
[Result "1-0"]
[WhiteElo "2250"]
[BlackElo "2130"]
[PlyCount "53"]
[EventDate "2018.??.??"]

1. b4 e5 2. a3 a5 3. b5 d5 4. Bb2 Nd7 5. e3 Ngf6 6. c4 Bd6 7. Nf3 (7. d4 exd4
8. Bxd4 O-O 9. Nf3 Qe7 10. cxd5 Rd8 11. Qb3 a4 12. Qa2 Nb6 13. Bd3 Nbxd5 14.
O-O Be6 15. Qb2 c5 16. bxc6 bxc6 17. Nbd2 c5 18. Be5 Bxe5 19. Nxe5 Qc7 20. Rab1
{1/2-1/2 Bendig,F (2205)-Hellbing,B (2370)/WC-2010-T-00006 2009}) 7... O-O 8.
Nc3 c6 9. d4 $146 (9. Be2 Re8 (9... dxc4 10. bxc6 Nb6 11. cxb7 Bxb7 12. O-O Qd7
13. a4 Rfe8 14. Nb5 Bb8 15. Rc1 Bd5 16. Ba3 e4 17. Nfd4 Be5 18. Qc2 Rab8 19.
Rb1 Rec8 20. Rfc1 h6 21. h3 Bxd4 22. exd4 Bc6 23. Bd6 Bxb5 24. Bxb8 {
anonymouuus-radegast1 (1650)/kurnik 2014/1-0 (44)}) 10. O-O Nf8 11. a4 Ng6 12.
Qc2 e4 13. Nd4 Bd7 14. Ba3 Bxa3 15. Rxa3 Rc8 16. cxd5 cxd5 17. Qb3 Be6 18. Nxe6
fxe6 19. Raa1 Qd6 20. d3 exd3 21. Bxd3 Ne5 22. Be2 Neg4 23. g3 Ne5 {
anonymouuus-mik33/kurnik 2014/1-0 (46)}) 9... exd4 10. Nxd4 Ne5 11. cxd5 cxd5
12. Be2 Re8 13. Qc2 Be6 14. O-O Rc8 15. Nf5 Bb8 16. Rad1 Qc7 17. f4 {
Exerts pressure on the isolated pawn} (17. Ng3 Nc4 18. Rc1 Qd7 19. Bxc4 Rxc4
$15) 17... Nc4 (17... Ne4 18. Nd4 Nxc3 19. Bxc3 Qxc3 20. Qxc3 Rxc3 21. fxe5
Rxe3 22. Nxe6 fxe6 $19 (22... Rxe2 $6 23. Nf4 Ra2 24. Rxd5 $17) (22... Rxe6 $6
23. Bf3 Ba7 24. Bxd5 R6xe5 25. Bxf7+ Kf8 26. Kh1 $11)) 18. Bxc4 $15 Qxc4 (18...
dxc4 $143 19. Nd6 Qb6 20. Nxe8 Qxe3+ 21. Kh1 Rxe8 22. Rf3 $14) 19. Rf3 $2 (19.
Nd4 $142 $15) 19... Ne4 $4 (19... Bxf5 $142 20. Qxf5 Qb3 $19) 20. Nxg7 $16 Bg4
$2 (20... Re7 $142 $5 21. Nxe6 Rxe6 $14) 21. Nxe8 $18 Bxf3 (21... Rxe8 22. Rxd5
Bxf3 23. gxf3 Nxc3 24. Rg5+ Kf8 25. Bxc3 $18 (25. Qxc3 $6 Qxc3 26. Bxc3 Rxe3
27. Bxa5 Bd6 $14)) 22. Rd4 Qc5 $2 (22... Qxb5 23. gxf3 Qxe8 24. Qg2+ Kf8 25.
fxe4 Ba7 $18) 23. gxf3 Nxc3 (23... Rxe8 24. Qg2+ Kf8 25. Nxd5 $18 (25. Nxe4 $6
dxe4 26. fxe4 Qb6 $18)) 24. Nf6+ Kg7 25. Nxd5 (25. Nxh7 $6 f6 26. Rd3 Ne2+ 27.
Qxe2 Kxh7 $18) 25... Kh6 (25... Rg8 26. Nxc3 Bc7 27. Kf1 $18) 26. Nf6 (26. Qg2
Ne2+ 27. Kf1 f6 28. Qh3+ Kg7 29. Qd7+ Kf8 $18) 26... Bxf4 (26... Kg7 27. Nd7
Qe7 $18) 27. Qxh7+ (27. Qxh7+ Kg5 28. Ne4+ Nxe4 29. h4+ Kf6 30. Rd7+ Nc3 31.
Bxc3+ Qxc3 32. Qxf7+ Ke5 33. exf4#) 1-0

[Event "24th Schloss Open"]
[Site "?"]
[Date "2018.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Bentel, Robin"]
[Result "1-0"]
[WhiteElo "2250"]
[BlackElo "2100"]
[PlyCount "61"]
[EventDate "2018.??.??"]

1. b4 Nf6 2. Bb2 d6 3. c4 g6 4. Nf3 Bg7 5. e3 e5 6. Nc3 O-O 7. Be2 e4 8. Nd4 c5
9. bxc5 dxc5 10. Nb3 b6 (10... Qe7 11. f4 exf3 12. Bxf3 Nc6 13. Bxc6 bxc6 14.
Na4 Bg4 15. Qc1 Ne4 16. O-O Bxb2 17. Nxb2 Qg5 18. Rf4 Bh3 19. Qf1 f5 20. d3 Nf6
21. Nxc5 Rae8 22. Re1 Nh5 23. Rf3 Bg4 24. Rf2 Rxe3 25. Ne6 {
mikebaldini (1650)-tomzy02 (1705)/gameknot.com 2013/0-1 (53)}) 11. d4 cxd4 12.
Nxd4 (12. exd4 Nc6 13. O-O Re8 14. a4 a5 15. Nb5 Nb4 16. d5 Bf5 17. N3d4 Qd7
18. Nxf5 gxf5 19. Ra3 f4 20. Bxf6 Bxf6 21. Bg4 {
1-0 Campora,D (2545)-Komljenovic,D (2475)/Sevilla 2005}) 12... Bb7 $146 (12...
Na6 13. O-O Nc5 14. a4 a5 15. Rb1 Bb7 16. Ba3 Rb8 17. Rb5 Qc7 18. Bxc5 bxc5 19.
Nb3 Ba6 20. Rxb8 Rxb8 21. Nb5 Bxb5 22. cxb5 c4 23. Qc2 Rc8 24. Nd4 Nd7 25. Nc6
Ne5 26. Bxc4 Nxc6 27. bxc6 {Katalymov,B-Geller,Y/Tashkent 1958/1/2-1/2}) 13.
Ba3 Re8 14. Ndb5 Nfd7 15. Qc2 Nc5 16. Rd1 Qg5 (16... Nd3+ 17. Bxd3 exd3 18.
Rxd3 Qg5 $14) 17. O-O $14 Be5 18. Nd6 {Will e4 fall?} Bxd6 19. Rxd6 Nbd7 20.
Rfd1 Re7 21. Qd2 Rae8 22. Nd5 (22. Nb5 a6 23. Nc3 Bc8 $16) 22... Bxd5 23. Qxd5
Qh4 24. Bb2 Ne5 25. Qd4 f6 26. f4 Ncd3 (26... Ned7 $142 $5 $16) 27. g3 $18 (27.
Bxd3 Ng4 28. h3 Qf2+ 29. Kh1 Nxe3 $16) (27. fxe5 $4 Qf2+ 28. Kh1 Qxe2 29. Qd5+
Rf7 $19) 27... Qh3 $2 (27... Qh6 $142 28. fxe5 Nxb2 29. Qxb2 Qxe3+ 30. Kh1 fxe5
$18) 28. fxe5 Rxe5 (28... Nxb2 29. Qxb2 Rxe5 30. Rd7 $18) 29. Bxd3 (29. Rxf6
$143 Nxb2 30. Qxb2 Qh6 $18) 29... exd3 30. Rxf6 Rxe3 (30... d2 $18) 31. Rxg6+
$1 (31. Rxg6+ hxg6 32. Qg7#) 1-0

[Event "22nd Schloss Open"]
[Site "?"]
[Date "2016.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Boe, Mads"]
[Result "0-1"]
[WhiteElo "2300"]
[BlackElo "2310"]
[PlyCount "62"]
[EventDate "2016.??.??"]

1. b4 e5 2. a3 d5 3. Bb2 Bd6 4. c4 dxc4 5. e3 Be6 6. Qc2 b5 7. d3 cxd3 8. Bxd3
a6 9. f4 Nd7 10. Nf3 c5 (10... f6 11. Bxh7 exf4 12. O-O Ne7 13. Nc3 fxe3 14.
Rae1 Ne5 15. Rxe3 N7c6 16. Nxb5 axb5 17. Nxe5 Nxe5 18. Rxe5 fxe5 19. Qc6+ Ke7
20. Bc1 Rf8 21. Bg5+ Rf6 22. Qxb5 Rxa3 23. h4 Rg3 24. Ra1 Qd7 25. Qb8 {
Steffens,O (2285)-Hommes,E (2045)/Atlantis Open 2015/0-1}) 11. fxe5 Be7 12. O-O
Nh6 $146 (12... Rc8 13. Nc3 Nh6 14. bxc5 Ng4 15. Nd4 Nxc5 16. Nxe6 Nxe6 17.
Rxf7 Nxe5 18. Bf5 Kxf7 19. Qe4 Bf6 20. Rd1 Qc7 21. Bxe6+ Kxe6 22. Nd5 Qc2 23.
Nf4+ Ke7 24. Qb7+ Rc7 25. Nd5+ Kd6 26. Qb6+ Rc6 27. Bxe5+ {
Steffens,O (2200)-Petkov,V (2540)/Penarth WLS 2013/0-1}) (12... Rc8 13. Rc1 $15
) 13. bxc5 Nxc5 14. Nd4 Rc8 (14... Qd7 $15) 15. Bxh7 (15. Nxe6 Nxe6 16. Qe2 $15
) 15... Nb3 (15... Bc4 $142 16. Rf2 Ng4 $17) 16. Nxe6 $11 Rxc2 17. Nxg7+ Kf8
18. Ne6+ Ke8 19. Bxc2 (19. Nxd8 $4 Rxb2 20. Nxf7 Rxh7 (20... Nxf7 $6 21. Bg6
Nxa1 22. Bxf7+ Kd7 23. Rd1+ Kc6 24. Nc3 $19) 21. Nxh6 Rxh6 $19 (21... Nxa1 $143
22. Nf5 $19)) 19... fxe6 (19... Qb6 $142 20. Nc7+ Qxc7 21. Bxb3 Bg5 $11) 20.
Bxb3 $4 (20. Bg6+ $142 Kd7 21. Rd1+ Kc7 22. Rxd8 Kxd8 23. Ra2 $14) 20... Qd3
$19 21. Bxe6 Qxe3+ 22. Kh1 Qe2 23. Nd2 Qxd2 24. Bd7+ (24. Bc1 Qc3 25. Bf4 $19)
24... Qxd7 25. e6 Qd6 26. Rad1 Qb8 27. Bxh8 Ng4 (27... Bxa3 $6 28. h3 Qb6 29.
Bf6 $19) 28. g3 Ne3 29. Kg1 Nxd1 30. Rxd1 Qb6+ (30... Bc5+ $142 31. Kf1 Qb7 32.
Rd7 Qh1+ 33. Ke2 Qxh2+ 34. Kd3 Qxg3+ 35. Ke4 Qg4+ 36. Kd5 Qf5+ 37. Be5 Bxa3 38.
Rf7 Qd3+ 39. Bd4 $19) 31. Bd4 Bc5 (31... Bc5 32. Bxc5 Qxc5+ 33. Kf1 Qxa3 $19)
0-1

[Event "Schleswig Holstein-ch masters"]
[Site "?"]
[Date "1996.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Carl, Manfred"]
[Result "1-0"]
[WhiteElo "2325"]
[PlyCount "73"]
[EventDate "1996.??.??"]

1. b4 e5 2. a3 d5 3. Bb2 f6 4. e3 Be6 5. c4 dxc4 $17 6. Qc2 Nd7 (6... Qd7 7.
Bxc4 Qc6 8. Bd3 $11) 7. Nf3 (7. Bxc4 Bxc4 8. Qxc4 Nb6 $11) 7... Nb6 (7... b5 8.
d3 Nb6 9. Nbd2 $11) 8. d4 exd4 (8... cxd3 9. Bxd3 Qd7 10. Bxh7 $11) 9. Nxd4 $11
Bf7 (9... Bd5 10. Nc3 $11) 10. Nd2 {Will c4 fall?} (10. Qe4+ Ne7 11. Qxb7 Rb8
$14) 10... c5 $11 11. bxc5 Bxc5 12. Nxc4 (12. Bxc4 $143 Nxc4 13. Nxc4 Qd5 $15)
12... Bxd4 (12... Bd5 13. Nf5 g6 14. Nxb6 Qxb6 15. Nd4 $11) 13. Bxd4 Nxc4 14.
Bxc4 Bxc4 15. Qxc4 Ne7 (15... Qa5+ 16. Bc3 Qf5 17. Rc1 $14) 16. Rb1 (16. Qb5+
Qd7 17. Qh5+ Ng6 $14) 16... b6 17. O-O Qd5 18. Qa4+ Qc6 (18... Qd7 19. Qd1 $14)
19. Qb4 (19. Qa6 O-O $14) 19... Rc8 20. a4 (20. Rfd1 Qc4 $14) 20... Qd7 (20...
Qe6 21. Qb5+ Nc6 22. Qh5+ Qf7 23. Qf5 $11) 21. Qb3 Nc6 22. Rfc1 Ke7 (22... Rc7
23. Rc3 $14) 23. Bb2 (23. Rd1 Qe6 24. Qd3 Kf7 $14) 23... Qe6 24. Ba3+ (24. Qb5
Rhd8 $11) 24... Kf7 $11 25. Qd3 Ne5 (25... f5 26. Rb5 Ne5 27. Qd4 $15) 26. Qa6
Rxc1+ 27. Rxc1 Qd7 28. f4 (28. Bb2 Rd8 $11) 28... Nd3 29. Qc4+ (29. Rd1 Rd8 $11
) 29... Kg6 30. Rd1 Rd8 31. h3 h5 (31... f5 32. Bb2 Qd5 33. Qc3 $11) 32. Kf1 (
32. Qa6 Qd5 33. Qxa7 Qb3 $11) 32... Kh7 (32... h4 33. Kg1 $11) 33. Rd2 (33. Qb5
Kg6 $11) 33... g5 (33... f5 $5 $11) 34. fxg5 (34. Qc3 gxf4 35. Ke2 Qb7 36. Rxd3
Qxg2+ 37. Kd1 Qf1+ 38. Kc2 Qe2+ 39. Qd2 Rc8+ 40. Rc3 Qxd2+ 41. Kxd2 Rxc3 42.
Kxc3 fxe3 $16) 34... fxg5 (34... Qf5+ 35. Kg1 fxg5 36. e4 $16) 35. Qe4+ Kh6 36.
Kg1 Qd5 $4 (36... Qh7 $142 37. Qe6+ Qg6 $16) 37. Bf8+ $3 $18 (37. Bf8+ Rxf8 38.
Qxd5 $18 (38. Qxd3 $6 Qxd3 39. Rxd3 Rf6 $11)) 1-0

[Event "Schleswig Holstein-ch masters"]
[Site "?"]
[Date "1996.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Christ, Ralf"]
[Result "0-1"]
[WhiteElo "2325"]
[BlackElo "2250"]
[PlyCount "70"]
[EventDate "1996.??.??"]

1. b4 e5 2. a3 d5 3. Bb2 Bd6 4. Nf3 Qe7 5. c4 dxc4 $15 6. e3 Nd7 (6... b5 7.
Nc3 c6 8. d3 cxd3 9. Qxd3 $15) 7. Bxc4 $11 Ngf6 8. Nc3 (8. d3 a5 $11) 8... c6 (
8... e4 9. Nd4 Ne5 10. Be2 $15) 9. Qc2 Nb6 10. Be2 e4 11. Nd4 Be5 12. Nd1 O-O (
12... a5 13. b5 $11) 13. O-O (13. d3 a5 $11) 13... Bg4 (13... a5 14. bxa5 Rxa5
15. f3 $15) 14. f3 $11 exf3 15. Bxf3 Qc7 16. h3 Bh5 (16... Bxf3 17. Rxf3 (17.
gxf3 $143 Bxd4 18. Bxd4 Qg3+ 19. Kh1 Qxh3+ 20. Kg1 Qg3+ 21. Kh1 Nbd5 $19) (17.
Nxf3 $6 Bxb2 18. Nxb2 Rfe8 $11) 17... Rad8 18. Rc1 $11) 17. Bxh5 Nxh5 18. Nf5 (
18. Nf3 Bd6 $11) 18... Ng3 (18... Bh2+ 19. Kh1 $11) 19. Nxg3 (19. Bxe5 Qxe5 20.
d4 Qc7 21. Nxg3 Qxg3 $11) 19... Bxb2 20. Nxb2 Qxg3 21. Rf3 Qd6 22. Raf1 Rad8 {
The backward pawn on d2 becomes a target} 23. d4 f6 (23... Rde8 24. Nd3 $11)
24. Rf5 (24. Nd3 Qe7 $11) 24... Qe6 $11 25. R1f3 (25. R5f3 Qa2 26. Qd3 Rfe8 $11
(26... Qxb2 $143 27. R3f2 Qxf2+ 28. Kxf2 $16)) 25... Rfe8 (25... Nd5 26. e4 Ne7
27. Ra5 $15) 26. R5f4 (26. Nd3 Qc4 27. Rc5 Qxc2 28. Rxc2 Nd5 $11) 26... Nd5 {
Increases the pressure on the backward pawn} (26... Qa2 27. Rh4 g6 28. Rxf6 $14
) 27. Rh4 $11 g6 28. e4 f5 29. e5 g5 30. Rg3 Qg6 31. Qd2 f4 (31... gxh4 $143
32. Rxg6+ hxg6 33. Qh6 $14) 32. Rhg4 $4 (32. Rxg5 $142 $1 Qxg5 33. Rg4 Qxg4 34.
hxg4 $11) 32... h6 $19 (32... fxg3 33. Rxg5 Re6 34. Rxg6+ Rxg6 35. Nd3 $16) 33.
Rf3 h5 34. Qd3 (34. Rxg5 Qxg5 35. Nc4 Re7 $19) 34... Re6 (34... Kg7 35. Rxg5
Qxg5 36. Nc4 $19) 35. Rfxf4 (35. Qxg6+ Rxg6 36. Rxg5 Rxg5 37. Nd3 $19) 35...
Nxf4 (35... Nxf4 36. Qxg6+ Rxg6 $19) 0-1

[Event "Oberliga Nord N"]
[Site "?"]
[Date "1997.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Cording, Harm"]
[Result "0-1"]
[WhiteElo "2325"]
[BlackElo "2310"]
[PlyCount "71"]
[EventDate "1997.??.??"]

1. b4 e5 2. a3 d5 3. Bb2 Nd7 4. e3 Bd6 5. c4 (5. Nc3 Ngf6 $15) 5... c6 6. Nf3
Ngf6 7. Nc3 (7. d3 O-O $15) 7... O-O (7... dxc4 8. Bxc4 O-O 9. Qc2 $15) 8. Qc2
(8. cxd5 cxd5 9. Rc1 a5 $11) 8... a6 (8... e4 9. Nd4 $15) 9. c5 $11 Bc7 10. Be2
Re8 11. h3 (11. O-O e4 12. Nd4 Be5 $11) 11... Nf8 (11... a5 12. O-O $11) 12.
Na4 (12. d4 e4 13. Nd2 Be6 $11) 12... Ng6 13. g4 (13. O-O Qe7 $11) 13... e4 (
13... a5 14. b5 $15) 14. Nd4 Nh4 (14... Ne5 $15) 15. Nb6 (15. O-O $5 $15) 15...
Bxb6 $17 16. cxb6 Qxb6 17. Qc3 Re7 18. Rg1 (18. O-O Be6 $17) 18... Ne8 (18...
Ng6 $17) 19. Nf5 (19. d3 $5 $17) 19... Bxf5 (19... Nxf5 20. gxf5 f6 21. Bg4 $17
) 20. gxf5 f6 21. Rg4 (21. Bg4 Nd6 $19) 21... Nxf5 22. O-O-O (22. d3 Nfd6 $19)
22... a5 (22... Qc7 23. Rdg1 $19) 23. Rf4 (23. d3 Nfd6 $19) 23... Nfd6 (23...
Ned6 24. d3 $19) 24. Rg1 axb4 25. axb4 (25. Qxb4 Qxb4 26. axb4 Ra4 $19) 25...
Nb5 (25... Ra4 26. Qd4 Qxb4 27. Qxb4 Rxb4 28. Bxf6 Nxf6 29. Rxf6 $19) 26. Qb3
Kf8 (26... Kh8 27. Kd1 $19) 27. Bh5 (27. Kd1 Ned6 $19) 27... Qa6 28. d3 Nbd6 (
28... Ned6 29. Kd2 Qa2 30. Qc2 $19) 29. dxe4 (29. Be2 Qa2 30. Qxa2 Rxa2 $19)
29... Rxe4 (29... dxe4 30. Bxf6 g6 31. Bxe7+ Kxe7 32. Bd1 Qa1+ 33. Kd2 $19) 30.
Rxe4 Nxe4 (30... dxe4 31. Qe6 Qa2 32. Qxa2 Rxa2 33. Kb1 $19) 31. f3 N4d6 32.
Kd2 (32. e4 Nc4 (32... dxe4 $143 33. fxe4 Qb6 34. Rd1 $19) 33. Bd4 Qb5 34. Bxe8
Rxe8 35. Bc5+ Kg8 36. exd5 cxd5 $19) 32... Nc4+ (32... g6 33. Bg4 $19) 33. Kc1
(33. Ke1 g6 34. Bxg6 hxg6 35. Rxg6 Qa4 36. Qxa4 Rxa4 $19) 33... Nxb2 34. Kxb2
Qe2+ 35. Kb1 Nd6 36. e4 (36. Rd1 $19) 0-1

[Event "Bremen Silvester Open"]
[Site "?"]
[Date "2018.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Davydov, M."]
[Result "1-0"]
[WhiteElo "2185"]
[BlackElo "1955"]
[PlyCount "93"]
[EventDate "2018.??.??"]

1. b4 e5 2. a3 d5 3. Bb2 f6 4. e3 Be6 5. c4 Ne7 (5... dxc4 6. Qc2 Nd7 (6... b5
7. a4 c6 8. axb5 cxb5 9. Ra5 Bxb4 10. Rxb5 a5 11. Bxc4 Qe7 12. Bxe6 Qxe6 13.
Qc7 Ne7 14. Rxb8+ Rxb8 15. Qxb8+ Nc8 16. Qb5+ Kf7 17. Nc3 Rd8 18. Nf3 g5 19.
O-O h5 20. Qb7+ Kg6 21. d4 {
alddhsfd (2040)-C_V_T (1905)/lichess.org 2021/1-0 (40)}) 7. Bxc4 Bxc4 8. Qxc4
Nb6 9. Qc2 Qd7 10. Nf3 O-O-O 11. O-O Qd3 12. Rc1 Qxc2 13. Rxc2 Ne7 14. Nc3 Nc6
15. Rac1 Bxb4 16. Nb5 Bd6 17. d4 e4 18. Nd2 Rhe8 19. Nb3 Kb8 20. Bc3 {
Bulcourf,C (2285)-Rodriguez,A (2475)/Villa Ballester op 1998/0-1 (43)}) 6. Nf3
$146 (6. c5 c6 7. Nf3 Nd7 8. h3 b6 9. d4 e4 10. Nh2 b5 11. Ng4 a5 12. bxa5
Qxa5+ 13. Bc3 Qa7 14. Be2 Qb7 15. f3 f5 16. Ne5 Nxe5 17. dxe5 b4 18. Bxb4 Rxa3
19. Bxa3 exf3 20. gxf3 g6 {
beatmeeasy (1745)-Falkor1 (1725)/lichess.org 2017/0-1 (37)}) (6. Nc3 Ng6 7.
cxd5 Bxd5 8. Nxd5 Qxd5 9. Ne2 Bd6 10. Nc3 Qc6 11. Rc1 Qd7 12. d4 exd4 13. Qxd4
O-O 14. Bc4+ Kh8 15. O-O Nc6 16. Qd2 Bxh2+ 17. Kxh2 Qxd2 18. Ba1 Qd7 19. Rfd1
Qe7 20. Nd5 Qe4 {kastaldi (1680)-jamd/kurnik 2012/1-0 (54)}) (6. cxd5 Nxd5 7.
Nc3 Nxc3 8. Bxc3 c5 9. b5 Nd7 10. Qc2 Bd6 11. Nf3 O-O 12. Bd3 g6 13. h4 f5 14.
e4 c4 15. exf5 gxf5 16. Be2 Qc7 17. Ng5 Bd5 18. Bf3 e4 19. Bh5 Ne5 20. O-O Nd3
{dtpwaldi (1605)-malbork12345 (1690)/kurnik 2011/0-1 (36)}) 6... Nd7 7. Qb3 c6
8. Nc3 dxc4 9. Bxc4 Bxc4 10. Qxc4 Nb6 11. Qb3 (11. Qe2 Qd7 $14) 11... Ned5 (
11... Qd3 12. O-O-O $11) 12. Ne4 Nc7 (12... a5 13. O-O $11) 13. O-O Qd5 14. Qc2
Be7 15. d4 exd4 16. Nxd4 O-O 17. Rac1 Rfd8 18. Nc5 Bxc5 19. bxc5 (19. Qxc5 $143
Qxc5 20. Rxc5 Na4 $15) 19... Nd7 20. Nf5 Qe6 21. Rfd1 Ne5 22. Nd6 Rab8 23. Rd4
(23. e4 Ne8 24. f4 Nd7 $16) 23... Nf7 (23... Nb5 $5 24. Nxb5 cxb5 $14) 24. Rcd1
Nxd6 (24... Nb5 25. Re4 Qd7 26. Rh4 $16) 25. cxd6 Nd5 26. Rh4 h6 27. e4 Nb6 28.
f4 $4 (28. e5 $142 fxe5 29. Re4 $16) 28... Rxd6 $15 29. Rxd6 Qxd6 30. e5 Qd5
31. exf6 Rd8 32. Be5 (32. fxg7 $2 Qd1+ 33. Qxd1 Rxd1+ 34. Kf2 Rd2+ 35. Kf3 Rxb2
36. Rxh6 Kxg7 $19) 32... Qd1+ 33. Qxd1 Rxd1+ 34. Kf2 gxf6 35. Bxf6 Nd5 (35...
Rd2+ 36. Kf3 $11) 36. Be5 $14 Rd3 37. Rxh6 Rxa3 38. g4 c5 39. f5 Re3 (39... Nb4
$5 40. Ke2 Nc6 41. Rh8+ Kf7 42. Rh7+ Kg8 43. Rg7+ Kf8 $16) 40. Re6 $16 c4 $2 (
40... Rb3 $142 $16) 41. g5 $18 c3 42. g6 Rxe5 43. Rxe5 Nf4 (43... c2 44. Re8+
Kg7 $18) 44. Ke3 c2 (44... Nh5 45. Kd4 Kg7 46. Re7+ Kf8 47. Rf7+ Ke8 48. Ke5
$18) 45. Rc5 Nd5+ 46. Kd2 (46. Ke4 $142 $5 Nf6+ 47. Kd4 b5 $18) 46... Nb4 (
46... Ne7 $18) 47. f6 (47. f6 Nc6 48. f7+ Kf8 49. Rf5 c1=B+ 50. Kxc1 b6 51. g7+
Ke7 52. f8=Q+ Kd7 53. g8=Q Ne7 54. Qd8+ Kc6 55. Qxe7 a5 56. Qc4#) 1-0

[Event "Pyramiden Franken Cup 1st"]
[Site "?"]
[Date "1998.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "De Andres Gonalons, Fernando"]
[Result "1/2-1/2"]
[WhiteElo "2305"]
[BlackElo "2105"]
[PlyCount "96"]
[EventDate "1998.??.??"]

1. b4 d5 2. Bb2 Nf6 3. Nf3 e6 4. a3 Nbd7 5. e3 c5 6. bxc5 Bxc5 7. c4 dxc4 8.
Bxc4 O-O 9. d4 Bd6 10. Nbd2 a6 (10... Nb6 11. O-O $11) 11. a4 $14 b6 12. e4 Bb4
13. O-O Bb7 14. Qe2 (14. Re1 Qe7 $14) 14... Re8 (14... Qc7 15. Rfc1 Qf4 16. Bd3
$14) 15. Bd3 Nf8 (15... Qe7 16. Rfc1 $14) 16. Rfd1 (16. g3 Qe7 $16) 16... Ng6 (
16... Qe7 17. Rdc1 $16) 17. g3 Nd7 (17... h6 18. Rac1 $16) 18. Bc4 (18. Ba3
Bxa3 19. Rxa3 f5 $16) 18... Qe7 19. h4 (19. Rdc1 Rec8 $16) 19... Nf6 $14 20.
Bd3 Rec8 21. Nc4 (21. Rdc1 $14) 21... Nd7 (21... Qd8 $5 $14) 22. h5 $16 Ngf8
23. h6 (23. e5 $16) 23... g6 (23... gxh6 24. Nh2 b5 25. Ne3 $16) 24. Bc1 (24.
Qe3 b5 25. Nce5 Nxe5 26. Nxe5 bxa4 27. Rxa4 a5 $18) 24... Bc6 (24... b5 25. Ne3
$16) 25. Qb2 (25. Bf4 f6 $18) 25... f6 26. Bd2 Bxd2 27. Nfxd2 (27. Qxd2 Rc7 $18
) 27... b5 (27... Rab8 28. Qb3 $18) 28. Na5 bxa4 29. Nxc6 Rxc6 30. d5 (30. Qb7
$142 $5 Rcc8 31. Rxa4 $16) 30... Rb6 (30... Rb8 31. Qa3 Qxa3 32. Rxa3 $14) 31.
Qa2 (31. Qc2 Nc5 $14) 31... Ne5 (31... Nc5 $142 $5 32. Rab1 Rxb1 33. Nxb1 Qc7
$14) 32. Nc4 $16 Rb3 (32... Nxc4 $5 33. Bxc4 Rab8 34. Qxa4 exd5 35. exd5 Qd6
$16) 33. Nxe5 $18 fxe5 34. Qxa4 Rab8 (34... Rc3 35. Rab1 $18) 35. Bc4 (35. d6
$142 Qf6 36. Ra2 $18) 35... Rb2 $2 (35... R3b6 $142 $18) 36. dxe6 Kh8 37. Qa3 (
37. Qxa6 Rc2 $18) 37... Qf6 38. Qe3 R2b4 $4 (38... R2b6 39. Qc5 Nxe6 40. Bxe6
Rxe6 $18) 39. Bd5 (39. Qc5 $142 $5 Nxe6 40. Bxe6 R4b5 $18) 39... R4b6 40. Qd3 (
40. Qc5 $142 Nxe6 41. Bxe6 Rxe6 42. Rd7 $18) 40... Nxe6 41. Rxa6 Nd4 (41... Rf8
42. Rd2 (42. Rxb6 $6 Qxf2+ 43. Kh1 Qxb6 $18) 42... Nd4 43. Rxb6 Nf3+ 44. Kg2
Qxb6 45. Qa3 $18) 42. Rxb6 $18 Qxb6 43. Kg2 (43. Ra1 Qf6 44. Qa6 Qf8 $18) 43...
Qf6 $2 (43... g5 44. Qa3 Qf6 45. Ra1 $14) 44. f4 g5 (44... exf4 45. Qd2 {
Double attack} (45. Qxd4 {Deflection}) (45. Qd2 {Decoy})) 45. fxe5 (45. Rb1 $5
Rf8 46. f5 Qxh6 47. Ra1 $14) 45... Rb2+ $11 46. Rd2 Rxd2+ 47. Qxd2 Qf3+ 48. Kh2
Qh5+ 1/2-1/2

[Event "Groninger Combinatie Open"]
[Site "?"]
[Date "2016.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "De Boer, Robert"]
[Result "1-0"]
[WhiteElo "2275"]
[BlackElo "1955"]
[PlyCount "33"]
[EventDate "2016.??.??"]

1. b4 e5 2. a3 Nf6 3. Bb2 Bd6 4. c4 c6 (4... b6 5. e3 O-O 6. Nf3 e4 7. Nd4 c5
8. Nb5 Be7 9. Be2 a6 10. N5c3 cxb4 11. axb4 Bxb4 12. O-O Nc6 13. Qc2 Be7 14.
Nxe4 Nxe4 15. Qxe4 Bf6 16. d4 Nb4 17. Qxa8 d5 18. Ba3 a5 19. Bxb4 {
anonymouuus-arrosto44/kurnik 2014/1-0 (33)}) 5. Nf3 (5. d4 Qe7 6. e3 O-O 7. Ne2
Bc7 8. Nd2 d6 9. Qc2 Be6 10. Ng3 exd4 11. Bxd4 Nbd7 12. Be2 c5 13. Bc3 cxb4 14.
axb4 d5 15. c5 a5 16. bxa5 Qxc5 17. Nb3 Qe7 18. O-O Rfc8 19. Qb2 Bd6 {
Sternik,R-Welti,M/b4-04-19 2004/1-0}) 5... Qe7 6. e3 O-O $146 (6... Bc7 7. Be2
d6 8. d3 Bg4 9. Nbd2 Nbd7 10. h3 Bh5 11. O-O h6 12. Qb3 g5 13. g4 Bg6 14. e4 h5
15. Nh2 hxg4 16. hxg4 O-O-O 17. b5 Bb6 18. bxc6 bxc6 19. a4 a6 20. a5 Ba7 21.
Ba3 {Fournier,F (2100)-PatchAdams (1825)/Active 2004/0-1}) 7. d4 e4 8. Nfd2 Bc7
9. Nc3 d6 (9... d5 10. cxd5 cxd5 11. Be2 $11) 10. Be2 Re8 (10... d5 11. cxd5
cxd5 12. Nb5 $11) 11. g4 $14 h6 (11... Rd8 12. d5 $16) 12. h4 $16 d5 13. g5
hxg5 14. hxg5 Nh7 15. cxd5 Nxg5 16. Bc4 a5 $2 (16... g6 $142 $18) 17. Qh5 (17.
Qh5 Nh3 18. dxc6 (18. Rxh3 $6 Bxh3 19. Qxh3 b5 $18) 18... Nxc6 19. Ncxe4 $18 (
19. Rxh3 $6 Bxh3 20. Qxh3 axb4 $18)) 1-0

[Event "Open Oberwart"]
[Site "?"]
[Date "2004.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Dittmar, Peter"]
[Result "1/2-1/2"]
[WhiteElo "2240"]
[BlackElo "2360"]
[PlyCount "93"]
[EventDate "2004.??.??"]

1. b4 d5 2. e3 c6 3. c4 Nf6 4. Bb2 Bg4 5. Qb3 e6 6. b5 (6. cxd5 exd5 7. Be2
Bxe2 8. Nxe2 Bd6 $11) 6... Nbd7 7. d4 c5 8. Nd2 cxd4 9. exd4 dxc4 10. Nxc4 Be7
(10... Nb6 11. Nxb6 Qxb6 12. Bd3 $15) 11. Bd3 O-O (11... Nd5 12. Ba3 $15) 12.
Ne2 Bxe2 (12... Nb6 13. Nxb6 Qxb6 14. f3 $11) 13. Bxe2 Nb6 (13... Nd5 14. O-O
$11) 14. Nxb6 (14. O-O Nbd5 $11) 14... Qxb6 15. O-O Rfd8 {
Attacks the isolani on d4} (15... Nd5 16. a4 $11) 16. a4 a5 (16... Nd5 17. a5
Qc7 18. Rfc1 $11) 17. Rac1 Nd5 18. Bf3 Rd7 19. Rc4 Rad8 20. Be4 g6 (20... Nf6
21. Bd3 $11) 21. Rfc1 Qd6 22. g3 (22. Rc8 Nb6 23. Rxd8+ Bxd8 $11) 22... Qb8 (
22... Nb6 23. R4c2 $11) 23. Kg2 (23. Bxd5 Rxd5 24. Qf3 Bg5 $11) 23... Bb4 (
23... Nb6 24. R4c2 $15) 24. h4 (24. Bxd5 Rxd5 25. Qe3 Qd6 $11) 24... h5 25.
R4c2 Qd6 (25... Bf8 26. b6 $11) 26. Qf3 (26. Bxd5 Qxd5+ 27. Qxd5 Rxd5 $14)
26... Qe7 (26... Kg7 27. Kg1 $11) 27. Qb3 Qf8 28. Qf3 (28. Qd3 Nf6 $11) 28...
Be7 (28... Qe7 29. Rc8 $11) 29. Bxd5 Rxd5 30. Rc7 Rb8 31. Qc3 (31. R7c4 Rbd8
$11) 31... b6 (31... Bb4 32. Qe3 $11) 32. Qf3 Bd6 33. Ra7 (33. R7c6 Qd8 $11)
33... Ra8 34. Rxa8 (34. Rd7 Qe8 35. Rb7 Rb8 36. Rxb8 Qxb8 $11 (36... Bxb8 $143
37. Rc6 $16)) 34... Qxa8 35. Rc6 Qd8 36. Qc3 (36. Bc1 Be7 $11 (36... Rxd4 $143
37. Be3 Be5 38. Bxd4 Qxd4 39. Qe3 $16)) 36... Bb4 (36... Kh7 37. Bc1 Be7 38.
Rc7 $14) 37. Qc4 (37. Qc1 Kg7 $11) 37... Kg7 38. Qe2 (38. Rc8 Qf6 $14) 38...
Be7 $15 39. Qe4 (39. Qc2 Bf6 $15) 39... Bf6 {
Increasing the pressure on the isolated pawn on d4} 40. Rc4 Qd7 (40... Qd6 41.
Bc3 $15) 41. Kh2 (41. Rc6 Qb7 $11) 41... Qd8 (41... Kg8 42. Qf4 $15) 42. Kg1 (
42. Kg2 Rd7 $15) 42... Qd7 (42... Qd6 43. Kg2 $15) 43. Qe3 (43. Kh2 Kg8 $15)
43... Qd8 (43... Kh7 44. Qc3 Qe7 45. Rc7 $15) 44. Qf4 (44. Qe4 Kh7 $11) 44...
Rf5 45. Qe4 Rd5 (45... Qd5 46. Qxd5 exd5 47. Rc8 $11) 46. Qe3 (46. Kg2 Qd6 $15)
46... Qd7 (46... Kh7 47. Qf4 $15) 47. Qe4 (47. Rc6 Qb7 $11) 1/2-1/2

[Event "Oberliga Nord W"]
[Site "?"]
[Date "2000.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Doescher, Arne"]
[Result "1-0"]
[WhiteElo "2285"]
[BlackElo "2210"]
[PlyCount "83"]
[EventDate "2000.??.??"]

1. b4 c6 2. e3 Qb6 3. a3 a5 4. b5 d5 (4... cxb5 5. Bb2 $11) 5. c4 (5. Bb2 Nf6
$11) 5... dxc4 6. Bxc4 Bf5 (6... Qc5 7. Be2 $11) 7. Nc3 Nf6 8. Nf3 e6 9. Qb3 (
9. d3 Be7 $14) 9... c5 (9... Bd6 10. d4 $11) 10. Na4 Qd6 11. Bb2 Nbd7 12. d4 b6
(12... Be4 13. dxc5 Nxc5 14. Nxc5 Qxc5 15. Rc1 $11) 13. Rd1 Qc7 (13... Qe7 14.
Bd3 $14) 14. d5 $16 O-O-O (14... e5 $142 $5 $16) 15. dxe6 $18 fxe6 (15... Bxe6
16. Bxe6 fxe6 17. Qxe6 $18) 16. Bxe6 Bxe6 17. Qxe6 Re8 18. Qc6 Qxc6 19. bxc6
Nb8 20. Bxf6 gxf6 21. Nxb6+ Kc7 22. Nd5+ Kxc6 23. Nxf6 Re6 24. Nd5 Bg7 25. O-O
(25. Nf4 Re7 $18) 25... Nd7 26. Nf4 Re4 (26... Ree8 27. Rd5 Nb6 28. Rh5 $18)
27. Rd2 Nb6 28. Rfd1 (28. Rc1 Rhe8 $18) 28... Nc4 29. Rd7 Bc3 (29... Bd4 30.
Ra7 $18 (30. exd4 $6 Kxd7 31. Nd3 Re7 $16) (30. Nxd4+ $6 Kxd7 31. Nde6+ Kc6 $14
) (30. R1xd4 $6 Rxd4 31. Rxd4 cxd4 $16)) 30. a4 (30. Ng5 Ree8 $18) 30... Rf8 (
30... h6 $18) 31. Ng5 (31. Rxh7 $6 Nb2 32. Rdd7 Nxa4 33. Rc7+ Kb5 $18) 31...
Rexf4 (31... Rd4 32. exd4 (32. R1xd4 $6 cxd4 33. Rxh7 dxe3 $18) 32... Kxd7 33.
dxc5+ Kc6 34. Nd5 $18) 32. exf4 Bd4 33. R7xd4 (33. Rxh7 Nb2 34. Rd2 Rxf4 $18)
33... cxd4 34. Rxd4 Nb6 (34... Nb2 35. Nxh7 Rb8 36. h4 $18) 35. g3 (35. g4 Rg8
36. f3 Rg7 $18) 35... h6 36. Ne4 Rf5 37. Kf1 (37. Rd6+ Kc7 $18) 37... Rd5 38.
Rxd5 Kxd5 39. Nd2 Kc5 40. g4 Nxa4 (40... Nd5 41. g5 Nxf4 42. gxh6 $18) 41. g5
hxg5 42. fxg5 (42. fxg5 Kd5 43. Nb3 $18) 1-0

[Event "Stralsund op"]
[Site "?"]
[Date "1998.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Duerlich, Michael"]
[Result "1-0"]
[WhiteElo "2315"]
[PlyCount "77"]
[EventDate "1998.??.??"]

1. b4 Nf6 2. e3 g6 3. Bb2 Bg7 4. c4 d6 5. Nf3 e5 6. Nc3 O-O 7. d4 e4 8. Nd2 Qe7
9. Be2 Re8 10. a4 a5 11. b5 b6 12. Qc2 {Will e4 fall?} Bb7 13. Nb3 c5 14. d5
Nbd7 15. Nd2 Nf8 16. O-O-O Bc8 17. Rde1 Bg4 (17... h6 $142 $5 $11) 18. Bxg4 $16
Nxg4 19. Ndxe4 f5 20. h3 Ne5 21. Nd2 Ra7 22. f4 Nf7 23. g4 fxg4 24. hxg4 Nh6
25. g5 Nf5 26. Nce4 Nd7 27. Rh3 Bxb2+ 28. Qxb2 Qg7 29. Reh1 Qxb2+ 30. Kxb2 Re7
31. Kc3 Kh8 (31... Ra8 32. Kd3 Rae8 33. R1h2 $18) 32. Kd3 Ra8 33. Nf6 Nxf6 34.
gxf6 Rf7 35. e4 Nd4 36. e5 Raa7 (36... Re8 37. Nf3 h5 38. Nxd4 dxe5 39. fxe5
Rxe5 $18) 37. Ne4 dxe5 38. fxe5 Rad7 (38... Rfd7 39. Ke3 $18) 39. Ng5 (39. Ng5
Kg8 40. Nxf7 Rxf7 41. Ke4 $18) 1-0

[Event "Atlantis Open"]
[Site "?"]
[Date "2015.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Egli, Urs"]
[Result "1-0"]
[WhiteElo "2285"]
[BlackElo "2025"]
[PlyCount "37"]
[EventDate "2015.??.??"]

1. b4 e5 2. a3 d6 3. Bb2 Nf6 4. c4 Be7 5. e3 O-O 6. Nc3 Re8 (6... Nc6 7. Bd3
Bg4 8. Nf3 d5 9. cxd5 Nxd5 10. b5 Na5 11. Qc2 Nxc3 12. Bxc3 b6 13. Nxe5 Be6 14.
Bxh7+ Kh8 15. Be4 Bf6 16. Qd1 Rc8 17. Qh5+ {1-0 Stanley-Leo/private 2011}) 7.
Nf3 (7. Qc2 c6 8. Nf3 Bf8 9. d4 Bg4 10. dxe5 dxe5 11. Be2 Qc7 12. O-O Nbd7 13.
h3 Bh5 14. Ng5 Bxe2 15. Nxe2 a5 16. c5 h6 17. Nf3 b6 18. cxb6 Qxb6 19. bxa5
Rxa5 20. Rfc1 Rb8 21. Bc3 Rxa3 {
Steffens,O (2295)-Kulman,A (2125)/Nyiregyhaza op 2001/1-0 (44)}) 7... c6 $146 (
7... a5 8. b5 (8. Be2 Nbd7 9. O-O c6 10. d4 Qc7 11. Qb3 Nf8 12. Rfd1 Ng6 13.
dxe5 Nxe5 14. Nxe5 dxe5 15. c5 Be6 16. Bc4 Bxc4 17. Qxc4 axb4 18. axb4 b6 19.
Rxa8 Rxa8 20. cxb6 Qxb6 21. Ne4 Nxe4 22. Qxe4 f6 {
Adu,O (2250)-Ritter,M (2415)/USA-chT Amateur East 2000/0-1 (49)}) 8... Nbd7 9.
d4 exd4 10. Nxd4 Nc5 11. Be2 Nfe4 12. Nd5 Nf6 13. Nf4 Nfd7 14. Qc2 g6 15. Nd5
Nf6 16. Nxe7+ Qxe7 17. O-O Bg4 18. Rad1 a4 19. Ba1 Bxe2 20. Nxe2 Ng4 21. h3 Nf6
22. Nc3 {
Wantoch_Rekowski,J (2305)-Kmiecik,K (2215)/60yearsBdF-WS20 2006/1/2-1/2 (50)})
8. d4 e4 9. Nd2 Bg4 10. Qb3 d5 11. a4 Be6 12. b5 Nbd7 13. c5 (13. Be2 Nb6 $11)
13... Nf8 (13... Nxc5 $5 14. dxc5 d4 $15) 14. a5 Qd7 15. a6 Ng6 $2 (15... Reb8
$142 $5 $14) 16. axb7 $18 Qxb7 17. bxc6 Qxb3 18. Nxb3 Rec8 (18... Reb8 $5 19.
Ra3 a5 $18) 19. Ba6 1-0

[Event "20th Pannonia-Ramada Kupa, Fide Open"]
[Site "?"]
[Date "2015.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Egresi, Mate"]
[Result "1-0"]
[WhiteElo "2270"]
[BlackElo "2225"]
[PlyCount "55"]
[EventDate "2015.??.??"]

1. b4 d5 2. Bb2 Nf6 3. Nf3 Bf5 4. e3 e6 5. c4 c6 6. b5 Bd6 7. Nc3 O-O 8. a4 (8.
Be2 dxc4 (8... h6 9. d4 dxc4 10. O-O Nbd7 11. bxc6 bxc6 12. Bxc4 e5 13. Ne2 e4
14. Ne5 Ng4 15. Ng3 Ngxe5 16. dxe5 Bxe5 17. Nxf5 Bxb2 18. Qg4 h5 19. Qg6 Qf6
20. Nh6+ Kh8 21. Nxf7+ Rxf7 22. Bxf7 Bxa1 23. Qxh5+ {
Steffens,O (2315)-Voigt,M (2265)/Oberliga Nord N9798 1998/1-0 (41)}) 9. bxc6
Nxc6 10. Bxc4 Ne5 11. Nxe5 Bxe5 12. d4 Bd6 13. O-O Qc7 14. Be2 Bxh2+ 15. Kh1
Bd6 16. Nb5 Qe7 17. Nxd6 Qxd6 18. a4 Rfc8 19. Ba3 Qd7 20. Bf3 Ne4 21. Bb4 Rc2
22. Bxe4 Bxe4 {algernon (2360)-rr (2295)/net-chess.com 2007/1/2-1/2 (40)}) 8...
e5 9. Be2 Nbd7 10. d4 $146 (10. O-O Qe7 (10... Rc8 11. Qb3 Be6 12. d4 e4 13.
Ng5 Qe7 14. Nxe6 fxe6 15. c5 Bc7 16. bxc6 bxc6 17. Qb7 Nxc5 18. Qb4 Rb8 19. Qa3
Rb3 20. Qa2 Rfb8 21. Ba3 Rxc3 22. Bxc5 Bd6 23. Qd2 Rcb3 24. Rfc1 e5 25. Bxd6 {
Kuttruf,A-Reischmann,A (1610)/Wuerttemberg-ch U18 2003/0-1 (52)}) 11. d4 e4 12.
Nd2 Rfd8 13. Qb3 Nf8 14. c5 Bc7 15. Ba3 Ng4 16. g3 h5 17. Qd1 Qg5 18. Bxg4 Bxg4
19. Qc1 Ng6 20. f4 exf3 21. Nxf3 Bxf3 22. Rxf3 h4 23. Qe1 hxg3 24. hxg3 Nh4 {
Khomushku,A-Marchuk,R (1860)/Novokuznetsk RUS, SFO Ch U15 (b) 2014/0-1}) 10...
e4 11. Nd2 a5 (11... cxb5 12. axb5 dxc4 13. Nxc4 $11) 12. c5 $11 Bb8 13. b6 Be6
14. Nb3 Ne8 15. Qd2 f5 16. g3 g5 {Black plans f4} 17. Nd1 f4 18. Nxa5 Rxa5 $2 (
18... f3 $142 19. Nxb7 Qc8 $16) 19. Qxa5 $18 Qf6 $2 (19... f3 20. Bf1 Rf7 21.
Qa8 $18) 20. Kd2 (20. gxf4 gxf4 21. Qa8 fxe3 22. fxe3 Bg4 23. Bxg4 Qh4+ 24. Kd2
Qxg4 $18) 20... Qh6 $2 (20... f3 21. Bf1 Ng7 $18) 21. Qa8 Qh3 (21... f3 22. Bf1
$18) 22. Qxb7 fxe3+ (22... Qg2 23. Qxc6 Ng7 24. Rf1 $18) 23. fxe3 Qg2 24. Qxc6
(24. Nc3 Bg4 25. Qxc6 Nef6 $18) 24... Ng7 (24... Nd6 25. cxd6 Qxh1 $18) 25. Nc3
Rf2 (25... Nf6 26. a5 Ng4 27. Rag1 $18) 26. Raf1 Nf6 (26... Rf8 $18) 27. Rxf2
Qxf2 28. Rf1 (28. Rf1 Qxh2 29. Rxf6 $18) 1-0

[Event "Atlantis Open"]
[Site "?"]
[Date "2015.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Elgersma, Simon"]
[Result "1-0"]
[WhiteElo "2285"]
[BlackElo "2095"]
[PlyCount "73"]
[EventDate "2015.??.??"]

1. b4 Nf6 2. Bb2 e6 3. b5 d5 4. e3 a6 5. a4 axb5 6. axb5 Rxa1 7. Bxa1 Bd6 8.
Nf3 Nbd7 9. c4 c6 10. Nc3 (10. Be2 c5 11. O-O b6 12. d3 O-O 13. Nbd2 Bb7 14.
Bc3 Qc7 {1/2-1/2 aspasio (2760)-gkthomas (2745)/net-chess.com 2013}) 10... O-O
11. Be2 Re8 $146 (11... e5 12. bxc6 bxc6 13. cxd5 cxd5 14. Nb5 Bb8 15. O-O Ne4
16. Qb1 Re8 17. Rc1 Qa5 18. d3 Nd2 19. Nxd2 Qxd2 20. Nc3 d4 21. Rc2 dxc3 22.
Bxc3 Qxc2 23. Qxc2 Nf6 24. d4 exd4 25. Bxd4 Ne4 26. Bb5 {
pcmvr (2870)-averoes (2370)/net-chess.com 2011/1-0}) 12. Qc2 c5 13. g4 dxc4 14.
g5 Nd5 15. Ne4 Bf8 16. Rg1 b6 17. Ne5 Nxe5 18. Bxe5 Nb4 19. Qxc4 Qd5 $4 (19...
Bb7 $142 $15) 20. Nf6+ (20. Bxg7 $142 $5 Be7 21. Nf6+ Bxf6 22. gxf6 (22. Bxf6
$6 Bb7 $18) 22... Qxc4 23. Bh6+ Kh8 24. Bxc4 $18) 20... gxf6 $16 21. gxf6+ Kh8
22. Qg4 Nc2+ $4 (22... Bh6 23. Qh5 Rg8 24. Rxg8+ Kxg8 $18) 23. Kf1 $18 Bh6 24.
Qh5 Qxd2 25. Qxh6 (25. Qxf7 $143 Qe1+ 26. Kg2 Rg8+ 27. Qxg8+ Kxg8 28. Rxe1
Nxe1+ 29. Kf1 Nc2 $15) 25... Qe1+ 26. Kg2 Rg8+ 27. Qg7+ $1 Rxg7+ 28. fxg7+ Kg8
29. Rxe1 Nxe1+ 30. Kg3 Bd7 31. Kg4 Nc2 (31... Be8 $18) 32. Kg5 Na3 $2 (32... c4
$18) 33. Kf6 Bxb5 (33... Be8 34. Ke7 f6 35. Bxf6 Bg6 $18) 34. Bh5 Be8 35. Ke7
f6 (35... Nb5 $18) 36. Bxe8 (36. Kxe8 $2 fxe5 37. Ke7 Kxg7 38. Kxe6 c4 $19)
36... fxe5 (36... Nc4 37. Bxf6 Nd6 38. Kxd6 c4 39. Kxe6 h5 40. Bf7+ Kh7 41.
g8=Q+ Kh6 42. Qg6#) 37. Kf6 (37. Kf6 h5 38. Kg6 c4 39. Bf7#) 1-0

[Event "22nd Schloss Open"]
[Site "?"]
[Date "2016.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Fenner, Martin"]
[Result "1-0"]
[WhiteElo "2300"]
[BlackElo "1985"]
[PlyCount "95"]
[EventDate "2016.??.??"]

1. b4 d5 2. Bb2 Qd6 3. a3 e5 4. Nf3 e4 5. Nd4 Nf6 6. c4 Be7 (6... c6 7. c5 Qc7
8. e3 Bg4 9. Qc2 a5 10. d3 axb4 11. axb4 Rxa1 12. Bxa1 b6 13. Nb3 Na6 14. Bc3
bxc5 15. bxc5 Qa7 16. Bxf6 gxf6 17. Qa2 Qb7 18. d4 Nb4 19. Qa4 Bh6 20. Na5 Nc2+
21. Qxc2 {
Muri,H (2340)-Raffaele,E (2405)/corr ICCF EM/MN/063 Email 2003/1/2-1/2 (43)})
7. Nc3 $146 (7. e3 O-O 8. Nc3 c6 9. Qc2 (9. cxd5 cxd5 10. Rc1 a6 11. Na4 Bg4
12. Be2 Bxe2 13. Qxe2 g6 14. O-O Nbd7 15. Nc5 Nxc5 16. Rxc5 Rac8 17. Rcc1 Nd7
18. d3 Ne5 19. dxe4 dxe4 20. Ba1 Bf6 21. Rfd1 Qe7 22. Qd2 Bg7 23. Rxc8 Rxc8 {
Steiner,P-Feilmayr,E/corr ICCF TT 2004/0-1 (31)}) 9... Bg4 10. d3 exd3 11. Bxd3
dxc4 12. Bxc4 a5 13. Ne4 Nxe4 14. Qxe4 Bd7 15. Rd1 Qf6 16. Rd2 Qh4 17. g4 axb4
18. Nf3 Qh3 19. Rg1 bxa3 20. Bxg7 Kxg7 21. Rg3 Qh6 {
Adam,S-Broberg,H/corr DDR-ch11 1982/0-1 (31)}) (7. cxd5 Qxd5 8. d3 O-O $11)
7... dxc4 $15 8. e3 Nc6 (8... a5 9. bxa5 Nc6 10. Ncb5 $15) 9. Ncb5 (9. Qa4 O-O
10. Nxc6 bxc6 11. Bxc4 c5 $11) 9... Qd7 $15 10. Bxc4 (10. Nf5 Nxb4 11. Bxc4
Nbd5 12. Nxg7+ Kf8 $11) 10... a6 11. Nc3 (11. Nxc6 Qxc6 (11... axb5 $2 12. Ne5
(12. Nxe7 $6 bxc4 13. Nxc8 Rxc8 $14) 12... Qf5 13. Bxf7+ Kf8 14. f4 $18) 12.
Qe2 Bg4 $15 (12... axb5 13. Bxb5 Qxb5 14. Qxb5+ c6 15. Qe5 $18)) 11... Nxd4 $17
12. exd4 O-O 13. Qc2 a5 (13... Bd6 14. O-O Qg4 15. Rfe1 $15) 14. b5 $15 Qg4 (
14... Qxd4 $143 15. Nd5 Qc5 16. Bxf6 gxf6 17. Qxe4 $16) 15. Nd5 (15. O-O Rd8
$15) 15... Nxd5 $17 16. Bxd5 Bf5 (16... Re8 $142 $17) 17. h3 $4 (17. O-O c6 18.
bxc6 $11) 17... Qg6 $4 (17... Qxg2 18. O-O-O c6 (18... Qxf2 19. Rhf1 Qg3 20.
Rxf5 $16) 19. bxc6 bxc6 $19) 18. g4 $14 Qd6 19. Bxb7 (19. Bxe4 $143 Bxe4 20.
Qxe4 Rfe8 $15) 19... Rab8 20. Qc6 (20. Bc6 $5 Bc8 21. Bxe4 $16) 20... Bd7 $11
21. Qxd6 Bxd6 22. Bxe4 Rfe8 23. f3 f5 24. gxf5 Rxb5 (24... Bxb5 $143 25. Bc3
$16) 25. Bc3 Bxf5 26. d3 Bxa3 (26... Be6 $5 $11) 27. Kd2 $14 Bxe4 28. dxe4 Bb4
29. Rhb1 (29. d5 Rf8 30. Rhf1 Bxc3+ 31. Kxc3 c6 $14) 29... Rf8 (29... Bxc3+ 30.
Kxc3 Rh5 31. Rh1 $14) 30. Bxb4 $16 axb4 31. Rb3 c5 32. dxc5 Rxc5 33. Rab1 (33.
Rxb4 Rh5 34. f4 Rxf4 35. Ra8+ Rf8 $14) 33... Rc3 (33... Rh5 34. Ke2 $11 (34.
Rxb4 $143 Rxh3 35. Rb8 Rhxf3 $15)) 34. Rxc3 $14 bxc3+ 35. Ke3 (35. Kxc3 $143
Rxf3+ 36. Kd4 Rxh3 37. Rb8+ Kf7 38. Rb7+ Kf6 39. Rb6+ Kg5 $15) 35... Rf6 36.
Rc1 Rh6 37. Rxc3 Rxh3 38. Rc7 (38. e5 Kf7 $14) 38... h5 (38... g5 39. Kf2 $14)
39. e5 g5 40. e6 Kf8 41. Ke4 h4 42. f4 gxf4 43. Kf5 Re3 (43... Ra3 $142 $16)
44. Kf6 $18 Kg8 45. Rg7+ Kh8 46. Rg4 h3 (46... Kh7 $18) 47. Kf7 Rxe6 48. Rh4+ (
48. Rh4+ Rh6 49. Rxh6#) 1-0

[Event "Schleswig Holstein-ch M"]
[Site "?"]
[Date "1994.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Fransson, Jens"]
[Result "1-0"]
[PlyCount "29"]
[EventDate "1994.??.??"]

1. b4 g6 2. Bb2 Nf6 3. e3 Bg7 4. f4 d6 5. Nf3 $11 O-O 6. Be2 c6 (6... c5 7.
bxc5 dxc5 8. O-O $11) 7. c4 (7. O-O Qb6 8. a3 c5 $11) 7... Nbd7 (7... Qb6 8. b5
$11) 8. O-O a5 9. a3 Qb6 (9... axb4 10. axb4 Rxa1 11. Bxa1 $11) 10. Nc3 (10. b5
cxb5 11. cxb5 d5 $11) 10... c5 (10... axb4 11. Na4 Qc7 12. axb4 $11) 11. bxa5 (
11. b5 Re8 $14) 11... Qxa5 12. Qc2 Nb6 13. e4 (13. Rab1 Bg4 $11) 13... Na4 (
13... Nh5 14. f5 $11) 14. e5 Bf5 $2 (14... Ng4 $142 15. Nxa4 Qxa4 16. Qxa4 Rxa4
$11) 15. Qxa4 $18 (15. Qxa4 Qxa4 16. Nxa4 Rxa4 17. exf6 Bxf6 18. Bxf6 exf6 19.
d3 $18) 1-0

[Event "24th Schloss Open"]
[Site "?"]
[Date "2018.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Freiberger, J."]
[Result "0-1"]
[WhiteElo "2250"]
[BlackElo "2220"]
[PlyCount "106"]
[EventDate "2018.??.??"]

1. b4 e5 2. a3 d5 3. Bb2 Bd6 4. c4 dxc4 5. e3 Qe7 $146 (5... Be6 6. Qc2 Nf6 (
6... Ne7 7. Bxc4 Qd7 8. Nf3 Nbc6 9. O-O O-O 10. Ng5 Bf5 11. Qb3 Bg6 12. Nc3 a6
13. Rac1 h6 14. Nge4 Kh8 15. Nxd6 cxd6 16. a4 Rac8 17. a5 Rfd8 18. Na4 d5 19.
Be2 Qd6 20. Nc5 Rc7 21. f4 {
Fournier,F (2415)-Campos,A (2575)/chess.com 2011/0-1}) (6... b5 7. d3 cxd3 (
7... Nf6 8. dxc4 bxc4 9. Bxc4 Qd7 10. Nd2 O-O 11. Ngf3 Nc6 12. Bxe6 fxe6 13.
Rc1 Nd8 14. Nxe5 Qb5 15. Ndc4 Nf7 16. Nf3 Ng4 17. Qe4 Qf5 18. Qxf5 exf5 19. O-O
Rae8 20. Nxd6 cxd6 21. Rc7 Rc8 22. Rfc1 {
Steffens,O (2290)-Selmanaj,B/31st ECC Open 2015/1-0 (33)}) 8. Bxd3 c6 9. Nf3 f6
10. Bxh7 Ne7 11. Nc3 a5 12. bxa5 Nd7 13. Rd1 Bc7 14. O-O g5 15. Ne4 Bd5 16.
Nexg5 fxg5 17. Rxd5 cxd5 18. Bg6+ Kf8 19. Nxg5 Ra6 20. Nf7 Qb8 21. Nxh8 {
Steffens,O (2275)-Marris,I (2360)/Groninger Combinatie Open 2016/0-1 (40)}) 7.
Nf3 Nc6 8. Ng5 Bg4 9. Bxc4 Bh5 10. Nc3 Bg6 11. d3 O-O 12. O-O Kh8 13. Nce4 Nxe4
14. Nxe4 f5 15. Nxd6 cxd6 16. f4 Qb6 17. Qf2 Rae8 18. Rae1 Bf7 19. Qg3 Bxc4 20.
dxc4 {Tosic,M-Velimirovic,D/Nis 1994/1-0 (40)}) (5... Be6 6. Qc2 $15) 6. Bxc4
$11 Nf6 7. Nc3 c6 8. b5 Be6 9. Qb3 Bxc4 10. Qxc4 O-O 11. Nf3 Rc8 12. g4 Nbd7
13. g5 Ne8 14. Ne4 cxb5 15. Qxb5 Nc5 16. Nxc5 (16. Qc4 Rc6 $17) 16... Rxc5 (
16... Bxc5 $6 17. Nxe5 Nd6 18. Qf1 $11) 17. Qb3 e4 18. Nd4 Rxg5 19. Ke2 (19. d3
exd3 20. Qxd3 Rd5 $19) 19... Rc8 20. Rhg1 Bxh2 21. Rh1 Rg2 (21... Be5 22. f4
exf3+ 23. Nxf3 Bxb2 24. Qxb2 Rg2+ 25. Kf1 $19) 22. Qd5 (22. Kf1 $142 $5 Qg5 23.
Qxb7 $19) 22... Qh4 23. Raf1 Nd6 (23... Nf6 24. Qxb7 Qg4+ 25. Ke1 $19) 24. Ke1
Qf6 25. Bc3 (25. Qh5 Qh6 26. Qxh6 gxh6 $19) 25... Be5 26. Rhg1 Rxg1 27. Rxg1 h5
(27... Bxd4 28. exd4 a6 29. Qh5 $19) 28. Ke2 (28. Ne2 Re8 $19) 28... h4 29. Nf5
$2 (29. f4 exf3+ $1 30. Qxf3 Qxf3+ 31. Kxf3 f6 $19) 29... Qxf5 (29... Rxc3 $142
30. Rxg7+ Kh8 31. dxc3 Qxf5 $19 (31... Nxf5 $143 32. Rxf7 Qd6 33. Qxe4 $18))
30. Qxe5 Qxe5 31. Bxe5 Nf5 32. Rg4 h3 (32... Re8 33. Bh2 $19) 33. f3 (33. Rxe4
Re8 34. Kf3 g5 $19) 33... exf3+ 34. Kxf3 f6 $1 35. Bh2 $2 (35. Bxf6 Rc2 {Decoy}
) 35... Rc2 $19 36. Ke2 Rc1 (36... b5 37. Rb4 a6 38. a4 $19) 37. e4 Rh1 38.
exf5 Rxh2+ 39. Ke3 Rg2 (39... Rh1 $142 40. Rh4 b5 $19) 40. Rh4 $2 (40. Rxg2
$142 hxg2 41. Kf2 $19) 40... Rg3+ 41. Ke4 Rxa3 42. d3 (42. Rh5 Rg3 $19) 42...
Ra4+ 43. d4 Ra3 44. Kd5 (44. Rh5 a5 $19) 44... Kf7 45. Kd6 Rd3 46. d5 a5 47.
Rh8 a4 48. Rb8 Rb3 49. Rc8 a3 50. Rc7+ Kg8 51. Rc8+ Kh7 52. Rc1 a2 53. Ra1 h2
0-1

[Event "Schleswig Holstein-ch masters"]
[Site "?"]
[Date "1997.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Frohberg, Marco"]
[Result "1-0"]
[WhiteElo "2320"]
[PlyCount "73"]
[EventDate "1997.??.??"]

1. b4 e5 2. a3 d6 3. e3 g6 4. Bb2 (4. Nf3 Bg7 5. Nc3 e4 $11) 4... Bg7 (4... Nf6
5. d4 e4 6. c4 $11) 5. c4 (5. Nf3 Nf6 $11) 5... Ne7 (5... Nf6 6. Nf3 $11) 6.
Nf3 O-O 7. Nc3 (7. d4 a5 $11) 7... a5 8. b5 Nd7 (8... f5 9. d4 $11) 9. d4 (9.
Be2 e4 10. Nd4 c5 11. bxc6 bxc6 $14) 9... f5 (9... exd4 10. Nxd4 c5 11. bxc6
bxc6 12. Be2 $11) 10. Ng5 (10. Be2 e4 11. Nd2 Nf6 $14) 10... exd4 11. exd4 Nf6
12. Bd3 Ne4 (12... d5 $5 $11) 13. Ngxe4 $16 fxe4 14. Bxe4 Nf5 15. O-O (15. Ne2
$5 $16) 15... Nxd4 $11 16. Na4 (16. Qd3 Bf5 $11) 16... Ne6 (16... Qh4 17. Bxd4
Qxe4 18. Bxg7 Kxg7 19. b6 $14) 17. Bxg7 $14 Kxg7 18. Qd2 (18. Re1 Qf6 19. Ra2
Rb8 $14) 18... Qg5 19. Qc3+ Qf6 20. Rac1 (20. Rfe1 Re8 $14) 20... Qxc3 (20...
Ng5 21. Bd5 Re8 22. Rfe1 Qxc3 23. Nxc3 $16 (23. Rxc3 $4 Rxe1#)) 21. Rxc3 $14
Rb8 (21... Re8 22. Re3 $14) 22. Re1 (22. Re3 Nf4 $14) 22... Bd7 (22... Nf4 23.
Nb2 $14) 23. Bd5 Rfe8 24. Rce3 Kf6 25. b6 (25. Rf3+ Ke7 $14) 25... c6 26. Bxe6
(26. Be4 Ng5 $14) 26... Rxe6 27. Nc3 Rbe8 (27... Rxe3 $5 28. Rxe3 Bf5 $14) 28.
Ne4+ $16 Kg7 29. c5 dxc5 30. Nxc5 Rxe3 31. Rxe3 (31. fxe3 $143 Bc8 $14) 31...
Rxe3 32. fxe3 Bc8 33. Ne4 Kf8 (33... c5 34. Nd6 c4 35. Nxc4 Be6 36. Nxa5 Bd5
$18) 34. Nd6 Bf5 (34... Ke7 35. Nxc8+ Kd7 36. Na7 $18) 35. Nxb7 Ke7 36. Nxa5
Kd7 37. Nb7 (37. Nb7 Kc8 38. Nc5 $18) 1-0

[Event "Pyramiden Franken Cup 1st"]
[Site "?"]
[Date "1998.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Gabriel, Christian"]
[Result "0-1"]
[WhiteElo "2305"]
[BlackElo "2555"]
[PlyCount "68"]
[EventDate "1998.??.??"]

1. b4 e5 2. a3 d5 3. Bb2 Bd6 4. c4 dxc4 5. e3 Nf6 6. Bxc4 O-O 7. Qc2 a5 (7...
Nbd7 8. Nf3 $15) 8. b5 Nbd7 9. Nc3 (9. Nf3 Qe8 $15) 9... Nc5 (9... Nb6 10. Bd3
$15) 10. Nge2 $11 e4 11. Ng3 (11. O-O Ng4 12. h3 Qh4 $11) 11... Qe7 (11... Bxg3
12. hxg3 Be6 13. Bxe6 Nd3+ 14. Ke2 fxe6 15. Rh4 $15) 12. f3 Bxg3+ 13. hxg3 Be6
(13... Qd6 14. O-O exf3 15. Rxf3 $15) 14. Nxe4 Nfxe4 15. fxe4 Bxc4 16. Qxc4
Rad8 17. O-O (17. Bc3 Nxe4 18. Rd1 Qe6 (18... Nxg3 $2 19. Qg4 f5 20. Qxg3 $18)
(18... Nxc3 $6 19. Qxc3 Rd5 20. Rc1 $17) 19. Qxe6 fxe6 $17) 17... Nxe4 $17 (
17... Rxd2 $6 18. Bxg7 Kxg7 19. Qc3+ Kg8 20. Qxd2 $11) 18. Rad1 Rd6 (18... Rd7
19. Bd4 $17) 19. Rf5 (19. d3 Nxg3 20. Rf3 Qg5 $15) 19... Nxg3 $17 (19... Nxd2
$2 20. Qc3 f6 21. Rxd2 $18) 20. Rc5 (20. Re5 Qd8 21. d3 c6 $15) 20... Rh6 (
20... Rxd2 21. Rxd2 Qxe3+ 22. Kh2 Qxd2 23. Bxg7 Kxg7 24. Qg4+ Kh8 25. Qxg3 Qh6+
26. Kg1 $19) 21. Rxc7 Qd6 (21... Qg5 $5 22. Rc5 Qg6 $17) 22. Qg4 $15 {
The mate threat is Qxg7} Rg6 (22... Rh1+ 23. Kf2 Ne4+ 24. Ke2 Qg3 25. Qxg7+
Qxg7 26. Bxg7 Rxd1 27. Kxd1 Kxg7 28. Rxb7 Rd8 $17) 23. Rd7 $4 (23. Qd7 Qe6 24.
Re1 Ne4 $14) 23... Qc5 (23... Rxg4 $142 $5 24. Rxd6 Rh4 $17) 24. Qf3 $11 Qxb5 (
24... b6 25. Rd5 Qc2 26. Be5 $14) 25. Rxb7 $15 Qg5 (25... Qd3 26. e4 Qxf3 27.
gxf3 Nxe4+ 28. Kf1 $15) 26. Rc1 $11 Qh4 (26... Rh6 27. d3 $11) 27. Rd7 (27. d3
f5 $11) 27... Qh1+ 28. Kf2 Qh2 29. d3 $4 (29. Rcc7 Nh1+ 30. Kf1 Rg5 $11) 29...
Nf5 (29... Nh1+ $142 30. Rxh1 Qxh1 $19) 30. Rxf7 $4 (30. Qh3 Qb8 31. Ba1 $17)
30... Kxf7 $19 (30... Rxf7 $4 31. Rc8+ Rf8 32. Qd5+ Re6 33. Qxe6+ Kh8 34. Rxf8#
) 31. Qd5+ (31. Rc4 Kg8 32. Rf4 Rc8 $19) 31... Re6 32. Ke2 (32. Qxf5+ Ke7 33.
Qxf8+ Kxf8 34. Rc8+ Kf7 35. Rc1 $19) 32... Nxe3 33. Qb7+ Re7 34. Qb3+ Nd5+ (
34... Nd5+ 35. Kd1 Qxg2 36. Qxd5+ Qxd5 37. Kc2 Rc8+ 38. Kb1 Rxc1+ 39. Kxc1 Re2
40. Kb1 Qb3 41. Kc1 Qc2#) 0-1

[Event "Penarth WLS"]
[Site "?"]
[Date "2013.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Guy, D."]
[Result "1-0"]
[WhiteElo "2200"]
[BlackElo "1965"]
[PlyCount "71"]
[EventDate "2013.??.??"]

1. b4 e5 $15 2. a3 d6 3. c4 Nf6 4. Nc3 g6 5. e3 Bg7 6. Bb2 O-O 7. Nf3 Nbd7 8.
d4 exd4 9. Nxd4 Re8 10. Be2 Ne5 11. h3 a6 12. O-O d5 (12... a5 $5 $11) 13. cxd5
$14 Nxd5 14. Nxd5 Qxd5 15. Qc2 Nc6 16. Nxc6 (16. Bf3 Nxd4 17. Bxd4 $16 (17.
Bxd5 Nxc2 18. Bxg7 Kxg7 $17) (17. exd4 $6 Qd8 $11)) 16... Bxb2 $2 (16... Bf5
$142 $5 17. Qc1 Bxb2 18. Qxb2 Qxc6 $14) 17. Bf3 $18 Qxf3 (17... Qe6 $142 $5 18.
Qxb2 bxc6 $18) 18. gxf3 Bxa1 19. Rxa1 bxc6 20. h4 h5 (20... Bb7 21. Rd1 $18)
21. Qxc6 Be6 22. Qxc7 Rec8 23. Qe5 Rc4 24. Rd1 Rac8 25. Rd6 Rc1+ 26. Kh2 Bc4
27. f4 Bb5 (27... Rc2 28. Kg2 Kh7 29. f5 $18) 28. f5 R1c4 29. fxg6 Rxh4+ 30.
Kg3 Rg4+ 31. Kh3 Re8 (31... Rf8 32. Qxh5 Bf1+ 33. Kh2 Rg2+ 34. Kh1 Rxg6 35.
Rxg6+ fxg6 36. Qxg6+ Kh8 $18) 32. gxf7+ Kxf7 (32... Kf8 33. Qh8+ Kxf7 34. Qxh5+
Ke7 35. Qe5+ Kf7 36. Qf5+ Kg7 37. Qxg4+ Kh7 38. Qg6+ Kh8 39. Qh6+ Kg8 40. Rg6+
Kf7 41. Qg7#) 33. Qxh5+ Ke7 34. Qe5+ Kf7 35. Qf5+ (35. Kxg4 $6 Rxe5 36. a4 Ke7
$14) 35... Ke7 (35... Kg8 36. Qxg4+ Kh7 37. Qg6+ Kh8 38. Qh6+ Kg8 39. Rg6+ Kf7
40. Qg7#) 36. Qf6# 1-0

[Event "Odense DEN, Open"]
[Site "?"]
[Date "2013.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Hansen, Mads"]
[Result "0-1"]
[PlyCount "78"]
[EventDate "2013.??.??"]

1. b4 d5 2. Bb2 Nf6 3. e3 Bf5 4. Nf3 e6 5. c4 Nbd7 6. b5 Bd6 7. Nc3 O-O 8. g4
$2 (8. cxd5 $142 Nxd5 9. Nxd5 exd5 10. Be2 $15) 8... Bxg4 $19 9. cxd5 exd5 (
9... Ne5 10. Be2 Bxf3 11. Bxf3 Nd3+ 12. Ke2 Nxb2 13. Qb3 exd5 14. Qxb2 $19) 10.
Be2 Re8 11. Rg1 Bxf3 12. Bxf3 c6 13. Qc2 Ne5 14. Be2 d4 $1 15. Nd1 (15. exd4
Nf3+ {Double attack}) 15... d3 $1 16. Bxd3 Nf3+ 17. Kf1 Nxg1 18. Kxg1 Be5 19.
Nc3 Ng4 (19... Qd6 $5 20. bxc6 Rad8 21. f4 Bxc3 22. Bxc3 Qxd3 23. Qxd3 Rxd3 24.
cxb7 $19) 20. h3 Nh6 (20... Nf6 $142 $5 $17) 21. bxc6 $15 bxc6 22. Bxh7+ Kh8
23. d4 (23. Be4 $5 Qg5+ 24. Kf1 Bxc3 25. Bxc3 $11) 23... Qg5+ 24. Kf1 Bc7 (
24... f5 $142 $5 25. dxe5 Kxh7 $17) 25. Be4 $11 {White prepares d5} Re6 26. d5
Rf6 27. Ne2 (27. dxc6 Nf5 28. Ke2 $11) 27... Be5 $15 28. f4 $2 (28. Bxe5 $142
$5 Qxe5 29. Rd1 $17) 28... Bxb2 $19 29. Qxb2 cxd5 30. Bg2 Re8 31. Rd1 $2 (31.
Nc3 $142 $5 Qe5 32. Rd1 $19) 31... Qh4 $19 32. Rxd5 Nf5 33. Qb5 Nxe3+ 34. Kg1
Qe1+ 35. Kh2 Rfe6 36. Rh5+ Kg8 37. Qd3 (37. Ng1 $19) 37... Rg6 38. Be4 (38. Rg5
Rxg5 39. fxg5 $19) 38... Qf2+ 39. Kh1 Nf1 (39... Nf1 40. Rh8+ Kxh8 41. Qg3 Rxg3
42. Nxg3 Nxg3#) (39... Qf1+ 40. Kh2 Rg2+ 41. Bxg2 Qxg2#) 0-1

[Event "Hastings Masters"]
[Site "?"]
[Date "1995.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Hebden, Mark"]
[Result "0-1"]
[WhiteElo "2330"]
[BlackElo "2570"]
[PlyCount "76"]
[EventDate "1995.??.??"]

1. b4 e5 2. a3 d5 3. Bb2 Bd6 4. e3 Nf6 5. c4 c6 6. Nf3 Qe7 7. Be2 O-O (7... e4
8. Nd4 $15) 8. Nc3 (8. c5 $142 $5 Bc7 9. O-O $11) 8... dxc4 $17 9. Bxc4 Nbd7 (
9... b5 $5 10. Bb3 e4 $15) 10. Qc2 $15 Nb6 11. Be2 h6 (11... e4 12. Nd4 $15)
12. h3 (12. d4 e4 13. Nd2 Bf5 $11) 12... e4 $15 13. Nh2 (13. Nd4 Be5 $15) 13...
Re8 (13... a5 14. b5 $15) 14. g4 (14. O-O a5 $15) 14... Bd7 (14... a5 15. bxa5
Rxa5 16. d3 $17) 15. h4 (15. d3 $5 exd3 16. Bxd3 $15) 15... Bxh2 $17 16. Rxh2
Nxg4 17. Rg2 h5 18. Nxe4 (18. d3 exd3 19. Bxd3 Qxh4 20. O-O-O $17) 18... Qxe4
$15 19. Qxe4 Rxe4 20. f3 Na4 21. O-O-O Nxb2 22. Kxb2 Nxe3 (22... Rxe3 23. dxe3
Nxe3 24. Rxg7+ Kxg7 25. Rxd7 $15) 23. dxe3 Re7 24. f4 (24. Bc4 b5 25. Bb3 Be6
$15) 24... a5 (24... Bf5 $17) 25. Bc4 (25. Bxh5 $142 $5 Bf5 26. Rg5 $15) 25...
axb4 $17 26. axb4 Bg4 27. Rd3 (27. Be2 Bxe2 28. Rxe2 f5 $17) 27... Rae8 $19 28.
Kc3 (28. Rgd2 Kf8 $19) 28... Bf5 29. Rd6 Rxe3+ 30. Kd2 R3e4 (30... Rf3 31. Rf6
Rd8+ 32. Ke1 Rxf4 33. Rxf7 Rxc4 34. Rxf5 Rxh4 35. Re5 $19) 31. Rf6 $2 (31. Re2
$142 Kf8 32. Rxe4 Rxe4 33. Bd3 Rxf4 34. Ke3 Rxh4 35. Bxf5 Rxb4 36. Bc8 $19)
31... Rxc4 32. Rxf5 Rxb4 33. Kc3 Rb5 (33... Ree4 $142 $5 34. Rfg5 $19) 34. Rxb5
cxb5 35. Kd4 (35. Rg5 Re4 36. Rxb5 Rxf4 37. Rxh5 f5 $19) 35... f5 36. Rg5 Re4+
37. Kd3 Rxf4 38. Rxh5 g6 (38... g6 39. Rg5 Kg7 $19) 0-1

[Event "34th Schwarzacher Open"]
[Site "?"]
[Date "2019.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Hecht, Hans_Joachim"]
[Result "1-0"]
[WhiteElo "2185"]
[BlackElo "2325"]
[PlyCount "43"]
[EventDate "2019.??.??"]

1. b4 e5 2. a3 d5 3. Bb2 Bd6 4. c4 dxc4 5. e3 Be6 6. Qc2 Nd7 7. Nf3 Qe7 8. Bxc4
Bxc4 9. Qxc4 Ngf6 10. d4 e4 11. Nfd2 Nb6 12. Qc2 O-O 13. Nc3 {Now all is on e4}
Rfe8 {last book move} 14. g4 Nxg4 15. Ndxe4 Nc4 (15... Qh4 16. O-O-O $15) 16.
Rg1 (16. Qe2 Ngxe3 17. fxe3 Qh4+ 18. Kd1 Nxb2+ 19. Qxb2 Rxe4 20. Nxe4 Qxe4 $11)
16... Ngxe3 (16... Nxh2 $6 17. Ng5 Qxg5 18. Rxg5 Nf3+ 19. Kf1 Nxg5 20. Nb5 $14)
17. fxe3 Qh4+ 18. Qf2 Rxe4 19. Nxe4 Qxe4 20. O-O-O (20. Bc1 Re8 21. Qe2 Nxe3
22. Bxe3 Qxe3 23. Qxe3 Rxe3+ 24. Kf2 Rh3 $17) 20... Nxe3 (20... a5 $5 21. Qe2
Bf4 (21... axb4 $6 22. Qxc4 bxa3 23. Bc3 Qxe3+ 24. Bd2 $11) 22. Rxg7+ Kxg7 23.
Qg4+ Qg6 24. Qxg6+ Kxg6 25. exf4 axb4 26. axb4 Ra2 $19) 21. d5 Nf5 $4 (21...
Bf4 $142 22. Rxg7+ Kf8 $17) 22. Rdf1 $18 (22. Rdf1 Qc4+ 23. Kb1 Qe4+ 24. Ka1
$18) 1-0

[Event "Oberliga Nord-West, Hannover Lister Tur"]
[Site "?"]
[Date "2021.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Hoerstmann, Martin"]
[Result "1-0"]
[PlyCount "63"]
[EventDate "2021.??.??"]

1. b4 e5 2. a3 a5 3. Bb2 d5 4. b5 Nd7 5. e3 c5 (5...
Ngf6 6. c4 Bd6 (6... dxc4 7. Bxc4 Nb6 8. Ba2 Bg4 9. Qc2 Bd6 10. Nf3 Qe7 11. Nc3
O-O 12. Ng5 h6 13. Nge4 Bf5 14. O-O c6 15. bxc6 Nxe4 16. Nxe4 Rac8 17. d3 Rxc6
18. Qd2 Na4 19. Bd5 Rc7 20. Rfc1 Rfc8 21. h3 {
Adlai-Tegen/internet 2021/1/2-1/2 (42)}) 7. d4 c5 8. bxc6 bxc6 9. c5 Bc7 10.
Nf3 Rb8 11. Qc2 e4 12. Nfd2 Ng4 13. Be2 Qh4 14. g3 Qh3 15. Bf1 Qh6 16. Nxe4
dxe4 17. Qxe4+ Nde5 18. dxe5 Rxb2 19. Be2 Rxe2+ 20. Kxe2 {
moss42 (2165)-endre969 (2755)/ChessWorld.net 2013/0-1}) 6. g3 $146 (6. c4 d4 7.
d3 f5 8. Nd2 Ngf6 9. g3 Bd6 10. Bh3 Nb6 11. Ngf3 O-O 12. O-O f4 13. Bxc8 Qxc8
14. gxf4 dxe3 15. fxe3 exf4 16. Bxf6 Rxf6 17. Ne4 Qg4+ 18. Kh1 Rh6 19. Ra2 Rf8
20. Rg2 Qd7 {Cirulis,I (1905)-Pareschi,R (1955)/FICGS 2016/1-0 (64)}) (6. d3
Bd6 7. Nd2 Ngf6 8. Ne2 d4 9. Ng3 Nb6 10. c4 dxe3 11. fxe3 O-O 12. Be2 Qc7 13.
O-O Be6 14. Nf5 Nbd7 15. e4 Ne8 16. Ne3 Qd8 17. Qe1 g6 18. Nf5 Be7 19. Nh6+ Kh8
20. Ng4 Bd6 {Cirulis,I (1905)-Ortiz,C (2125)/FICGS 2015/1/2-1/2 (52)}) (6. bxc6
bxc6 7. Nc3 Ngf6 $15) 6... Bd6 $17 7. Bg2 Ngf6 8. f4 (8. d3 Nb6 $17) 8... Qe7 (
8... O-O $5 9. Ne2 d4 10. O-O $19) 9. Nh3 Nb6 10. O-O O-O 11. d3 (11. fxe5 Bxe5
12. Bxe5 Qxe5 $17) 11... Re8 (11... exf4 12. exf4 Na4 13. Qc1 $17) 12. Nf2 $17
a4 (12... Na4 $142 $5 13. Bc1 exf4 14. exf4 c4 $17) 13. Nd2 $15 exf4 14. exf4
d4 (14... Be6 15. c4 $15) 15. Nde4 (15. Re1 Qc7 $11) 15... Nfd5 (15... Nxe4 16.
Nxe4 Nd5 17. Re1 $11) 16. Qh5 (16. Re1 Be6 17. Nxd6 Qxd6 18. Ne4 $11) 16... Ne3
(16... g6 $142 $5 17. Qh6 f5 18. Nxd6 Qxd6 $15) 17. Rfe1 $16 Rd8 $2 (17... Bd7
$142 18. Nxd6 Qxd6 $16) 18. Rxe3 $18 (18. Nxd6 Qxd6 19. Ne4 Qf8 20. Qxc5 Qxc5
21. Nxc5 Nxc2 22. Nxb7 Bxb7 23. Bxb7 Rab8 $11) 18... dxe3 19. Nf6+ Qxf6 (19...
gxf6 20. Ne4 Nd7 21. Nxf6+ Nxf6 22. Qg5+ Kf8 23. Bxf6 $18) 20. Bxf6 exf2+ 21.
Kxf2 gxf6 22. Be4 Be6 $4 (22... Re8 $142 $18) 23. Qxh7+ Kf8 24. Re1 Ke7 (24...
Rd7 25. Qh6+ Ke7 $18) 25. Bf5 Be5 26. fxe5 fxe5 27. Rxe5 Kf6 (27... Kd6 28.
Rxe6+ $1 fxe6 29. Qxb7 exf5 30. Qxb6+ Kd5 31. Qc6+ Ke5 32. Qxc5+ Ke6 33. Qc6+
Ke7 $18) 28. Rxe6+ $1 (28. Rxc5 $6 Rh8 $11) 28... fxe6 29. Qg6+ Ke5 (29... Ke7
30. Qxe6+ Kf8 31. Qf6+ Ke8 32. Qxb6 Rd7 33. Bxd7+ Kxd7 34. Qxb7+ Ke6 35. Qxa8
c4 36. Qc6+ Ke5 37. b6 Kf5 38. b7 Kg5 39. b8=Q cxd3 40. Qe5+ Kg4 41. Qce6#) 30.
Qxe6+ Kd4 31. Qf6+ Kd5 32. Be4# 1-0

[Event "BL2-N"]
[Site "?"]
[Date "1995.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Hoexter, Heinrich"]
[Result "1-0"]
[WhiteElo "2330"]
[PlyCount "109"]
[EventDate "1995.??.??"]

1. b4 e5 2. a3 d5 3. Bb2 f6 4. e3 Be6 5. c4 dxc4 $17 6. Qc2 c6 (6... b5 7. Nc3
c6 8. d3 $15) 7. Nf3 (7. Bxc4 Bxc4 8. Qxc4 a5 $11) 7... Nd7 (7... b5 8. d4 $17)
8. Bxc4 $11 Bxc4 9. Qxc4 Nb6 (9... a5 10. bxa5 Qxa5 11. Qe6+ Ne7 12. Nc3 $15)
10. Qc2 Qd7 (10... a5 11. bxa5 Nd5 12. O-O $11) 11. d4 exd4 (11... Qg4 12. O-O
(12. dxe5 $2 Qxg2 13. Rg1 Qxf3 $19) 12... e4 13. Nfd2 $14) 12. Nxd4 (12. Bxd4
Bd6 $14) 12... Nh6 13. O-O Bd6 14. Nd2 O-O 15. Ne4 Rae8 (15... Nd5 16. Rfd1 Ng4
17. h3 $14) 16. Rad1 Bb8 (16... Be5 17. f4 Bxd4 18. Bxd4 $14 (18. Rxd4 $143 Nd5
$15) (18. exd4 $143 Nd5 $15)) 17. Nc5 Qf7 18. Nf5 (18. e4 Nc4 $14) 18... Bxh2+
19. Kxh2 Qh5+ 20. Kg1 Nxf5 (20... Qxf5 21. Qxf5 Nxf5 22. Nxb7 $14) 21. Nxb7 Nh6
22. Qc5 Qh4 (22... Qxc5 23. Nxc5 Nc4 24. Bc1 $16) 23. g3 (23. Qxc6 Ng4 24. Qc7
Re7 $19) 23... Qg4 24. Qxc6 Nf5 (24... Rc8 25. Qb5 $14) 25. Qg2 (25. Bd4 Ne7
26. Qb5 Rb8 $16) 25... Nxe3 (25... Nc4 $142 $5 26. Bc1 Re5 $14) 26. fxe3 $18
Rxe3 27. Rd4 Qxg3 28. Qxg3 Rxg3+ 29. Kf2 Rb3 30. Bc1 Rc3 31. Rg1 (31. Nc5 g5
$16) 31... g5 32. Nc5 Re8 (32... h5 $16) 33. Bd2 (33. Rgd1 $5 $16) 33... Rxa3
$14 34. Ne4 {White gets kings attack} Rf8 35. Rd6 Nc4 $2 (35... Ra2 $142 $14)
36. Rxf6 $18 (36. Nxf6+ $143 Kh8 37. Rh1 Kg7 38. Bxg5 Nxd6 39. Bh6+ Kxf6 40.
Bxf8 Ne4+ 41. Kg2 Kf7 $17) 36... h6 (36... Rxf6+ 37. Nxf6+ Kf7 38. Bxg5 $16)
37. Bxg5 $1 {Threatening mate... how?} Rxf6+ (37... hxg5 38. Rxg5+) 38. Bxf6+ (
38. Nxf6+ Kf7 39. Bh4 Rh3 $16) 38... Kf7 39. Bd4 Ke6 40. Nc3 Rb3 (40... Kf5 41.
Rh1 Kg5 42. Ne4+ Kf5 43. Nc5 $18) 41. Rg6+ Kd7 (41... Kf5 42. Rxh6 Rxb4 43.
Bxa7 Rb2+ 44. Ne2 $18) 42. Rg7+ (42. Rxh6 Rxb4 43. Rh7+ Ke6 44. Rxa7 Ne5 45.
Ra6+ Kf5 $18) 42... Ke6 43. b5 (43. Rxa7 $142 $5 Nd6 $18) 43... Nd6 44. Rg6+
Kd7 45. Be5 (45. b6 $5 axb6 46. Nd5 Kc6 47. Nxb6 Rd3 $18) 45... Nxb5 46. Ne4
Ra3 $2 (46... Rh3 $142 $18) 47. Nc5+ Ke7 (47... Ke8 48. Rxh6 a5 49. Rg6 $18)
48. Rg7+ (48. Rxh6 $142 $5 Kf7 $18) 48... Ke8 49. Rg8+ (49. Bf6 Ra2+ 50. Ke1
Ra3 51. Re7+ Kd8 52. Rb7+ Ke8 $18) 49... Kf7 50. Rg7+ (50. Rg4 $18) 50... Ke8
51. Bf6 Ra2+ 52. Kf1 (52. Ke1 $142 Ra3 53. Re7+ Kd8 54. Rb7+ Ke8 $18) 52... Ra3
53. Re7+ Kd8 54. Rb7+ Kc8 (54... Ke8 55. Bg7 (55. Rxb5 $6 Rf3+ 56. Kg2 Rxf6 $14
) 55... Nd6 56. Rb8+ Kf7 57. Bxh6 $18) 55. Be5 (55. Be5 Kd8 56. Rxb5 $18) (55.
Rxb5 $6 Rf3+ 56. Ke2 Rxf6 $11) 1-0

[Event "Atlantis Open"]
[Site "?"]
[Date "2015.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Hommes, E."]
[Result "0-1"]
[WhiteElo "2285"]
[BlackElo "2045"]
[PlyCount "50"]
[EventDate "2015.??.??"]

1. b4 e5 2. a3 d5 3. Bb2 Bd6 4. c4 dxc4 5. e3 Be6 6. Qc2 b5 7. d3 cxd3 8. Bxd3
a6 9. f4 Nd7 10. Nf3 f6 $146 (10... c5 11. fxe5 Be7 12. O-O Rc8 13. Nc3 Nh6 14.
bxc5 Ng4 15. Nd4 Nxc5 16. Nxe6 Nxe6 17. Rxf7 Nxe5 18. Bf5 Kxf7 19. Qe4 Bf6 20.
Rd1 Qc7 21. Bxe6+ Kxe6 22. Nd5 Qc2 23. Nf4+ Ke7 24. Qb7+ Rc7 25. Nd5+ {
Steffens,O (2200)-Petkov,V (2540)/Penarth WLS 2013/0-1}) (10... exf4 $2 11.
Bxg7 Ngf6 12. Bxh8 fxe3 13. O-O $18) 11. Bxh7 (11. O-O $142 $5 $16) 11... exf4
$14 12. O-O Ne7 13. Nc3 fxe3 14. Rae1 (14. Rfe1 Qb8 15. Rxe3 Qa7 $11) 14... Ne5
(14... Bc4 $5 15. Rxe3 Bxf1 16. Kxf1 Ne5 17. Nxe5 fxe5 $15) 15. Rxe3 $11 N7c6 (
15... Qd7 $142 16. Qe4 c6 17. Nxe5 Bxe5 $17) 16. Nxb5 $4 (16. Nxe5 $142 Nxe5
17. Ne2 $16) 16... axb5 $19 17. Nxe5 Nxe5 18. Rxe5 fxe5 19. Qc6+ Ke7 20. Bc1
Rf8 21. Bg5+ $2 (21. Rxf8 $142 Kxf8 22. Qf3+ Bf7 23. Bg6 Bc5+ 24. bxc5 $19)
21... Rf6 $1 22. Qxb5 (22. Bxf6+ gxf6 {Decoy}) 22... Rxa3 23. h4 (23. Be4 Rb3
24. Kh1 Rxb4 $19) 23... Rg3 (23... Qa8 24. Bb1 $19) 24. Ra1 (24. Re1 Qa8 25.
Qe2 Qa7+ 26. Kh2 Qd4 $19) 24... Qd7 25. Qb8 (25. Qe2 $19) 25... Qc6 (25... Qc6
26. Qa8 Rxg2+ 27. Kh1 Rh2+ 28. Kxh2 e4+ 29. Bf4 Bxf4+ 30. Kg1 Qc2 31. Qxe4 Qh2+
32. Kf1 Bg3+ 33. Bf5 Qf2#) (25... Rxg2+ 26. Kh1 Bd5 27. Bxf6+ gxf6 28. Qf8+
Kxf8 29. Ra8+ Bxa8 30. Bf5 Qxf5 31. h5 Qxh5#) 0-1

[Event "Oberliga Nord N"]
[Site "?"]
[Date "1996.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Homuth, Manfred"]
[Result "1-0"]
[WhiteElo "2325"]
[BlackElo "2270"]
[PlyCount "41"]
[EventDate "1996.??.??"]

1. e3 d6 2. b4 e5 3. c4 g6 4. Bb2 Bg7 5. Nf3 f5 6. c5 $146 (6. Be2 Nf6 7. O-O (
7. d3 O-O 8. O-O Be6 9. Qc2 h6 10. Nbd2 Nbd7 11. a3 g5 12. Rad1 g4 13. Ne1 Nh5
14. f4 exf4 15. Bxg7 Nxg7 16. exf4 Qf6 17. Nb3 Rae8 18. d4 h5 19. d5 Bf7 20.
Nd4 h4 21. Nb5 g3 {bananinha-devinsko (1700)/kurnik 2012/1/2-1/2 (66)}) 7...
O-O 8. a4 a5 9. b5 Nbd7 10. d3 h6 11. Nh4 Kh7 12. g3 Rg8 13. Bf3 Nf8 14. Bh1 g5
15. Nf3 Ng6 16. Qc2 f4 17. exf4 gxf4 18. d4 Ng4 19. dxe5 dxe5 20. Nh4 Bf6 {
algernon (2285)-jvanmechelen (2465)/net-chess.com 2009/0-1 (37)}) (6. d4 e4 7.
Nfd2 Ne7 8. Nc3 Nec6 9. Qb3 Ne7 10. Be2 Be6 11. O-O O-O 12. f3 exf3 13. Bxf3 c6
14. e4 fxe4 15. Ncxe4 d5 16. Nc5 Bf7 17. Rae1 b6 18. Ne6 Bxe6 19. Rxe6 Qd7 20.
cxd5 cxd5 {barborski-ostacolo/kurnik 2012/1-0 (47)}) 6... Qe7 7. cxd6 cxd6 8.
Nc3 Nf6 9. Bc4 Nbd7 10. Rc1 Nb6 11. Bb3 a6 12. a4 Be6 13. Ng5 Bxb3 14. Qxb3 d5
15. a5 Nbd7 16. Ba3 Rc8 17. O-O O-O $4 (17... Rc7 $142 $16) 18. Nxd5 $18 Nxd5
19. Qxd5+ Kh8 20. Rxc8 Rxc8 21. Nf7+ (21. Nf7+ Kg8 22. Nd6+ Kh8 23. Nxc8 $18)
1-0

[Event "Groningen Weekendtornooi"]
[Site "?"]
[Date "2016.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Hoogeboom, Boudewijn"]
[Result "1-0"]
[PlyCount "57"]
[EventDate "2016.??.??"]

1. b4 Nf6 2. Bb2 d5 3. Nf3 g6 4. e3 Bg7 5. c4 O-O 6. cxd5 Nxd5 7. Bxg7 Kxg7 8.
Qb3 Qd6 (8... Nb6 9. Be2 Be6 10. Qb2+ Kg8 {
0-1 Gubajdullin,A (2355)-Eliseev,U (2535)/Chigorin Mem Blitz 2015}) 9. Nc3 Be6
$146 (9... Nxc3 10. Qxc3+ Qf6 11. d4 c6 12. Bc4 Be6 13. O-O Nd7 14. Ne5 Nb6 15.
Bb3 Rad8 16. Bc2 Bc8 17. f4 Nd5 18. Rf3 Qd6 19. Qb2 {
1-0 Gubajdullin,A (2365)-Egorov,P (2255)/Moscow Championship Rapid 2016}) (9...
Nxb4 10. Nb5 Qf6 11. Rc1 $11) 10. Bc4 (10. Nb5 Qd7 $11) 10... c6 (10... Nxb4
11. Bxe6 Nd3+ 12. Ke2 Nc5 $14 (12... fxe6 $2 13. Nb5 (13. Qxb7 $6 Nc6 14. Ne4
Qd5 $14) 13... Qd7 14. Qxd3 Qxd3+ 15. Kxd3 $18)) 11. Ne4 $14 Qc7 12. Nc5 Nd7
13. Nxe6+ fxe6 14. h4 (14. e4 b5 15. Qb2+ e5 16. exd5 bxc4 17. dxc6 Qxc6 $14)
14... b5 15. Qb2+ Kg8 16. Be2 Qd6 17. h5 Qxb4 (17... Nxb4 18. hxg6 hxg6 19. Rb1
$18) 18. Qc2 Qc5 19. Qd3 $4 (19. Qxc5 $142 $5 Nxc5 20. Rc1 $16) 19... Rf6 (
19... Nb4 20. Qxd7 Nc2+ 21. Kd1 Nxa1 22. Qxe6+ Kg7 23. Nd4 $11) 20. hxg6 (20.
Qb3 Rd8 $14) 20... Rxg6 $11 21. Qe4 Nc3 $4 (21... Qd6 $142 $11) 22. Qh4 $18 Nf6
23. Rc1 Qf5 (23... Qd5 24. dxc3 Qxa2 25. Bd3 $18) 24. dxc3 Rg4 (24... Rxg2 25.
Nd4 Qg5 26. Qxg5+ Rxg5 27. Nxc6 $18) 25. Qh3 (25. Qh2 $142 Ne4 26. c4 $18)
25... Rd8 (25... Rg7 $18) 26. Nd4 Rgxd4 27. Qxf5 (27. cxd4 Rd6 $18) 27... exf5
(27... Rd1+ 28. Bxd1 exf5 29. c4 $18) 28. cxd4 Rd6 29. Bf3 1-0

[Event "Verden/Aller GER, Men Ch"]
[Site "?"]
[Date "2014.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Hundack, Ralf"]
[Result "1-0"]
[WhiteElo "2275"]
[BlackElo "2220"]
[PlyCount "75"]
[EventDate "2014.??.??"]

1. b4 Nf6 2. Bb2 g6 3. Nf3 Bg7 4. e3 O-O 5. c4 d6 6. d4 Nbd7 7. Be2 e5 8. Nc3
Re8 9. O-O e4 10. Nd2 Nf8 11. d5 h5 12. Qc2 {Pawn e4, live or die!} Bf5 13. Nb5
(13. Nb3 N8h7 14. Nd4 Bg4 15. Bxg4 hxg4 16. Nde2 Ng5 17. Ng3 Qe7 18. Rfd1 Nd7
19. Rab1 f5 20. Nce2 Bxb2 21. Rxb2 Ne5 22. Nf4 b6 23. Rc1 Qg7 24. Rb3 Nd7 25.
Nge2 Qh6 26. Ra3 Re7 27. Ng3 Rh7 {
Kempinski,R (2520)-Badea,B (2480)/34th Olympiad, Istanbul TUR 2000/1-0 (83)}) (
13. a4 Qe7 14. a5 h4 15. a6 b6 16. Nb5 h3 17. g3 Bg4 18. Bxf6 Bxf6 19. Bxg4
Bxa1 20. Rxa1 Nh7 21. Bxh3 Ng5 22. Bg2 Nf3+ 23. Nxf3 exf3 24. Bxf3 Qf6 25. Nd4
{1-0 Slabek,G (2055)-Popiol,M (1865)/Dobczyce POL 2013}) 13... N8h7 14. Nd4
$146 (14. c5 dxc5 15. bxc5 Nxd5 16. Bxg7 Kxg7 17. c6 b6 18. a4 Qg5 19. Kh1 Nhf6
20. a5 Kh7 21. Nd4 Ng4 22. Qb3 Rad8 23. axb6 axb6 24. Ra7 Qh4 25. Bxg4 hxg4 26.
g3 Qh6 27. Rd1 Rh8 28. Nf1 Be6 {
Bulcourf,C (2160)-Mirada,L (1760)/Rubinstein Memorial op 2009/1-0 (52)}) (14.
Rfd1 a6 15. Nd4 Bg4 16. N2b3 Bxe2 17. Qxe2 Ng4 18. c5 Qh4 19. h3 Ne5 20. Na5
Rab8 21. Nc4 Nxc4 22. Qxc4 Ng5 23. Rd2 Be5 24. Ne2 Bxb2 25. Rxb2 Nh7 26. Rab1
Nf6 27. c6 b5 28. Qd4 Ra8 {
Postojev,A (2300)-Meissner,B (2425)/BL2-Sued 2008/1-0 (48)}) 14... Bg4 15. Bxg4
(15. N2b3 Bxe2 16. Nxe2 Ng5 $14) 15... hxg4 $11 16. Ne2 Ng5 17. Ng3 Qe7 18. Bd4
Nd7 19. Qc3 Bxd4 20. exd4 f5 21. Rae1 (21. Ne2 Kg7 $11) 21... Qh7 (21... Qf6
22. Re2 $15) 22. Qe3 Qh4 23. Qf4 Nf6 24. f3 (24. a4 Kg7 25. Ne2 Rh8 $19) 24...
exf3 $17 25. Nxf3 (25. Rxe8+ Rxe8 26. Nxf3 Nxf3+ 27. Rxf3 Re1+ 28. Rf1 Re7 $17)
25... Nxf3+ 26. gxf3 Qh3 $4 (26... Kf7 $142 27. Re6 Rxe6 28. dxe6+ Kxe6 29.
fxg4 Qxg4 30. Qxg4 Nxg4 $19 (30... fxg4 $6 31. Re1+ Kd7 32. Rf1 $15)) 27. Qg5
$18 Kf7 28. Re6 $1 Rxe6 29. dxe6+ Kxe6 30. Qxg6 Rh8 (30... gxf3 31. Rxf3 Rh8
$18) 31. Re1+ Kd7 32. Qxf5+ (32. Qxf6 $6 Qxh2+ 33. Kf1 Qh3+ 34. Kf2 Qh2+ 35.
Kf1 Qh3+ 36. Kf2 Qh2+ 37. Kf1 $11) 32... Kd8 33. Qxf6+ Kc8 34. Qe6+ (34. Qf5+
$5 Kb8 35. Re2 a5 $18) 34... Kd8 35. Qf6+ Kc8 36. Qf5+ Kd8 (36... Kb8 37. Re2
Qh6 38. fxg4 $18) 37. Qg5+ Kc8 38. Qxg4+ (38. Qxg4+ Kd8 39. Qxh3 Rxh3 40. Kg2
$18) 1-0

[Event "Penarth WLS"]
[Site "?"]
[Date "2013.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Jones, Steven A"]
[Result "1-0"]
[WhiteElo "2200"]
[BlackElo "2030"]
[PlyCount "49"]
[EventDate "2013.??.??"]

1. b4 c6 2. e3 d5 3. Bb2 Qb6 4. a3 a5 5. b5 Nf6 6. c4 e6 7. Nc3 cxb5 8. Nxb5
Bd7 9. Bd4 Bc5 10. Bxc5 Qxc5 11. d4 Qc6 12. cxd5 Nxd5 (12... exd5 $4 13. Rc1
Qb6 14. Nc7+ Ke7 15. Nxa8 $18) 13. Rc1 Qb6 14. e4 Bxb5 15. Bxb5+ (15. exd5 $6
Bxf1 16. Kxf1 O-O 17. dxe6 Qxe6 $15) 15... Ke7 16. exd5 Qxb5 17. Rc5 Qb6 18.
dxe6 f6 (18... fxe6 $5 19. Nf3 Nd7 $16) 19. Ne2 $18 Kxe6 (19... Qxe6 $142 $5
20. O-O Qd6 $18) 20. Nf4+ Kf7 $4 (20... Kd6 21. O-O Na6 $18) 21. Qh5+ g6 22.
Qd5+ Kg7 (22... Ke7 23. Kd2 Nd7 24. Re1+ Ne5 25. Rb5 Qxb5 26. Qxb5 $18) 23.
Ne6+ Kh6 24. Qe4 g5 (24... Qxe6 25. Qxe6 Na6 26. Qh3+ Kg7 27. Qd7+ Kh6 $18) 25.
h4 (25. h4 Qxe6 26. Qxe6 Kg7 27. Qe7+ Kh6 28. hxg5+ Kg6 29. Qxf6#) 1-0

[Event "2. Bundesliga Nord"]
[Site "?"]
[Date "2017.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Kalabic, Faris"]
[Result "1/2-1/2"]
[WhiteElo "2255"]
[BlackElo "2210"]
[PlyCount "66"]
[EventDate "2017.??.??"]

1. b4 Nf6 2. Bb2 e6 3. b5 a6 4. a4 b6 5. e3 Bb7 6. Nf3 Be7 7. c4 O-O 8. Nc3 (8.
Be2 d5 9. O-O dxc4 (9... c5 10. d4 axb5 11. axb5 Rxa1 12. Bxa1 Nbd7 13. Nbd2
cxd4 14. Bxd4 Qc7 15. cxd5 Bxd5 16. Qb1 Rc8 17. e4 Bb7 18. e5 Nd5 19. Bd3 g6
20. Re1 Bb4 21. Bc4 Ba5 22. Bd3 Nc3 23. Qa1 Nc5 24. Bc4 {
DEFFM-GuestHJMJ/freechess.org 2018/0-1 (44)}) 10. Bxc4 axb5 11. axb5 Rxa1 12.
Bxa1 c5 13. Ne5 Nbd7 14. d3 Qa8 15. Nxd7 Nxd7 16. Nd2 Bf6 17. e4 Bxa1 18. Qxa1
{1/2-1/2 Bonetti,S (2125)-Woelfelschneider,P (2315)/ETC 2006}) 8... d6 9. Be2
c5 $146 (9... Nbd7 10. O-O Ne4 11. Nxe4 Bxe4 12. d3 Bb7 13. Nd4 Bf6 14. Bf3
Bxf3 15. Qxf3 Qc8 16. Nc6 Re8 17. Bxf6 Nxf6 18. e4 e5 19. h3 Nd7 20. Qg3 Nc5
21. f4 axb5 22. fxe5 bxc4 23. exd6 cxd6 24. Qxd6 {
Kreuzer,U-Bohnes/Active chess 1991}) 10. O-O (10. d3 a5 $11) 10... Nbd7 (10...
axb5 11. Nxb5 Nc6 12. d3 $11) 11. d4 (11. bxa6 Rxa6 12. d3 Qb8 $11) 11... Ne4 (
11... axb5 12. Nxb5 Qb8 13. g3 $11) 12. Nxe4 (12. bxa6 Rxa6 13. Bd3 Ndf6 $11)
12... Bxe4 13. Nd2 (13. Qb3 Qc7 $11) 13... Bb7 14. Bf3 (14. Qb3 Qc7 $11) 14...
Qc7 15. dxc5 (15. Qe2 cxd4 16. exd4 axb5 17. axb5 Rfe8 $11) 15... Nxc5 16. Bxb7
Qxb7 17. Qg4 (17. Nb3 Rfc8 $11) 17... e5 $15 18. f4 (18. Qe2 f5 $15) 18... f5 (
18... Nd3 19. Bc3 f5 20. bxa6 Rxa6 21. Qd1 $15) 19. Qg3 (19. Qe2 e4 $15) 19...
Nd3 $17 20. Bc3 (20. Rab1 Nxb2 21. Rxb2 Bf6 $17) 20... Bf6 21. bxa6 (21. fxe5
Bxe5 22. Bxe5 dxe5 $17 (22... Nxe5 $6 23. Qf4 $11)) 21... Rxa6 (21... Qxa6 22.
fxe5 Bxe5 23. Bxe5 dxe5 24. Rab1 $17) 22. fxe5 $15 Bxe5 23. Bxe5 dxe5 24. e4
Nf4 25. Qf3 (25. Qe3 g6 $15) 25... Qd7 (25... fxe4 $5 26. Nxe4 Qa7 $17) 26. Qe3
$15 fxe4 (26... Qc6 $15) 27. Nxe4 (27. g3 Ne6 $15) 27... Qc6 (27... Rxa4 $142
$5 28. g3 Rxa1 29. Rxa1 Ne2+ 30. Kg2 Nd4 $19) 28. g3 $11 Ne6 (28... Nh3+ 29.
Kg2 Rxf1 30. Rxf1 $11) 29. Rxf8+ Nxf8 30. Qd3 (30. c5 Ne6 31. cxb6 Rxb6 $14)
30... Ra7 31. Qd5+ (31. Nc3 Nd7 $11) 31... Qxd5 32. cxd5 Ra5 (32... Nd7 33. Nd6
$11) 33. d6 (33. Nd6 Nd7 34. Rc1 Kf8 $11) 33... h6 1/2-1/2

[Event "Nyiregyhaza op"]
[Site "?"]
[Date "2001.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Kelemen, Imre"]
[Result "1-0"]
[WhiteElo "2295"]
[BlackElo "2170"]
[PlyCount "55"]
[EventDate "2001.??.??"]

1. b4 e6 2. a3 b6 3. e3 (3. e4 Bb7 4. d3 c5 5. bxc5
bxc5 6. Nc3 Be7 7. Rb1 Bc6 8. Nf3 Nf6 9. Be2 c4 10. O-O O-O 11. Ne5 Qa5 12.
Nxc4 Qxc3 13. Bb2 Qxc4 14. dxc4 Nxe4 15. Bf3 f5 16. Qd4 Bf6 17. Qd3 Bxb2 {
market (2225)-Lutwidge (2085) GameColony.com 2003 1-0 (38)}) 3... Bb7 4. c4
$146 (4. Nf3 f5 5. Bb2 Nf6 6. Nc3 Be7 7. Be2 O-O 8. d4 a6 9. O-O d6 10. Bc4 d5
11. Bb3 Bd6 12. Ne2 Nbd7 13. Nf4 Re8 14. c4 dxc4 15. Bxc4 Bxf4 16. exf4 Bd5 17.
Be2 Bxf3 18. Bxf3 Nd5 {halocan (1735)-ookii (1740) chesshere.com 2007 1-0 (32)}
) 4... a5 5. b5 {White wins space} d5 6. Nf3 Nf6 7. Bb2 Be7 8. Nc3 O-O 9. d4 c5
10. bxc6 Nxc6 11. cxd5 Nxd5 12. Bd3 Nxc3 13. Bxc3 Ba6 14. Bxa6 Rxa6 15. Qd3 {
White threatens to win material: Qd3xa6} Qc8 16. O-O Qb7 17. Rfb1 Rb8 18. Rb5 {
White prepares the advance d5[%cal Yd4d5]} (18. e4 Na7 $14) 18... Na7 19. Rh5 {
White has a mate threat} g6 {Black threatens to win material: g6xh5} 20. Ng5 {
White threatens to win material: Ng5xh7} Bd8 $2 (20... Rc8 $142 {
is the best option Black has} 21. Bb2 b5 $11) 21. d5 $18 gxh5 $4 {
Black falls apart} (21... Bxg5 $142 22. Rxg5 b5 $18) 22. Qxh7+ Kf8 23. Qg7+ Ke8
24. dxe6 fxe6 (24... Qe7 {is no salvation} 25. exf7+ Kd7 26. f8=Q Nc6 27. Rd1+
Kc7 28. Ne6+ Kb7 29. Nxd8+ Rxd8 30. Qfxe7+ Nxe7 31. Qxe7+ Kc6 32. Qxd8 Ra7 33.
Qd5+ Kc7 34. Qc4+ Kb7 35. Rd7+ Kb8 36. Qg8#) 25. Qg8+ Ke7 26. Qf7+ Kd6 27.
Qxe6+ Kc5 28. Bd4+ (28. Bd4+ Kb5 29. Rb1+ Ka4 30. Qb3#) 1-0

[Event "20th Pannonia-Ramada Kupa, Fide Open"]
[Site "?"]
[Date "2015.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Kende, Gyorgy Dr"]
[Result "1-0"]
[WhiteElo "2270"]
[BlackElo "2100"]
[PlyCount "101"]
[EventDate "2015.??.??"]

1. b4 e6 2. Bb2 Nf6 3. b5 d5 4. e3 c5 5. Nf3 Be7 6. c4 O-O 7. a4 a5 (7... dxc4
8. Bxc4 a5 9. O-O b6 10. d4 Nd5 11. dxc5 Bxc5 12. Nbd2 Bb7 13. Qe2 Nd7 14. Rfd1
N7f6 15. Nb3 Qc7 16. Rac1 Rad8 17. Be5 Qe7 18. Nxc5 bxc5 19. Bxd5 Bxd5 20. Bxf6
Qxf6 21. Rxc5 h5 22. h3 {fagus54-dorinb/kurnik 2014/1-0}) 8. Qc2 $146 (8. Be2
Nbd7 9. d3 Qc7 10. Nbd2 b6 11. Qc2 Bb7 12. h3 e5 13. cxd5 Nxd5 14. Nc4 Bf6 15.
O-O Rfe8 16. Rac1 Rad8 17. Rfd1 g6 18. Qb3 Qb8 19. Nfd2 Bg7 20. Ne4 Nf8 21. Bf3
Ne6 22. Rd2 h6 {
Schulze,H (2115)-Mueller,M (2085)/Bayern Landesliga Nord 1998/1/2-1/2 (64)}) (
8. bxa6 Nxa6 9. Be2 b6 10. Na3 Bb7 11. O-O Nb4 12. Qb3 Nd7 13. Nc2 Nc6 14. Bc3
Na5 15. Qb2 Bf6 16. Bxf6 Qxf6 17. Qxf6 Nxf6 18. Ne5 Nb3 19. Ra3 Nxd2 20. Rd1
Nxc4 21. Bxc4 dxc4 22. Nxc4 Ra6 {
Savic,D (2140)-Nenezic,M (2325)/25th Belgrade Trophy 2011/0-1}) 8... Nbd7 9. d3
b6 10. Nbd2 Bb7 11. Be2 Rc8 12. O-O Bd6 13. Rac1 Re8 14. Qb1 d4 15. exd4 cxd4
16. Nxd4 Nc5 17. Qc2 e5 18. Nf5 Bb8 19. Rfe1 Qd7 20. Ng3 Rcd8 21. Nde4 Nfxe4 (
21... Nxd3 $2 22. Nxf6+ gxf6 23. Red1 $18) 22. Nxe4 Nxd3 23. Bxd3 Qxd3 24. Qxd3
Rxd3 25. f3 f5 26. Nf2 Rb3 27. Bd4 Bc7 28. c5 bxc5 29. Bxc5 (29. Rxc5 $143 Bd6
30. Rc3 Rb4 $15) 29... Kf7 30. Red1 Ke6 31. Bb4 Rc8 32. Bc5 e4 33. fxe4 fxe4
34. Ng4 $2 (34. Re1 Kf5 35. g4+ Kf4 36. Rc4 $14) 34... Bf4 {
Black prepares the advance e3} 35. Rc2 Rd3 (35... h5 36. g3 Rd3 $19 (36... hxg4
$6 37. gxf4 e3 38. Re1 $11)) 36. Rf1 Bg5 37. Rf8 $2 (37. Re1 $142 $15) 37...
Rxf8 38. Bxf8 e3 39. Kf1 h5 40. Rc5 $2 (40. Rc7 Rd1+ (40... hxg4 $143 41. Rxb7
Rd1+ 42. Ke2 Rd2+ 43. Ke1 Rxg2 44. Rb6+ Kf5 45. Bd6 $19) 41. Ke2 Rd2+ 42. Ke1
hxg4 43. Rxb7 Rxg2 44. Rb6+ Kf5 $19) 40... Rd5 (40... Rd1+ $142 41. Ke2 Rd2+
42. Ke1 hxg4 $19) 41. h4 $4 (41. Nxe3 $142 Bxe3 42. Rc7 Rf5+ 43. Ke2 Rxf8 44.
Rxb7 $19) 41... Rxc5 (41... Rd1+ $142 42. Ke2 Rd2+ 43. Kf1 Bxg2+ 44. Kg1 Bf4
45. Re5+ Bxe5 46. Nxe5 Kxe5 47. Be7 Kf4 48. Bg5+ Kf3 49. Kh2 Rd1 50. Bxe3 Rh1#)
42. Bxc5 $11 hxg4 43. hxg5 e2+ (43... Kd5 $5 44. Bb6 Kc4 45. Bxa5 Kb3 $14) 44.
Kxe2 $16 Bxg2 45. Bb6 Bd5 46. Bxa5 Bb3 (46... Kd7 47. Bc3 Bb3 48. a5 Bc4+ 49.
Ke3 Bxb5 50. Bxg7 $18) 47. b6 Bd5 48. Bc3 g6 49. Ke3 Kd7 50. Kd4 Kc6 $2 (50...
Bb7 $142 $18) 51. b7 $1 (51. b7 Kxb7 52. Kxd5 $18) 1-0

[Event "GER-ch Binz"]
[Site "?"]
[Date "1994.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Knuth, Hannes"]
[Result "1/2-1/2"]
[BlackElo "2350"]
[PlyCount "100"]
[EventDate "1994.??.??"]

1. b4 e5 2. a3 d5 3. Bb2 Bd6 4. e3 Nf6 5. c4 c6 6. Nf3 Nbd7 (6... e4 7. Ne5 $15
) 7. h3 (7. d3 O-O $15) 7... O-O 8. Nc3 Qe7 (8... dxc4 9. Bxc4 Nb6 10. Bd3 $15)
9. Qc2 (9. cxd5 cxd5 10. Nb5 e4 11. Nxd6 Qxd6 $11) 9... d4 (9... e4 $5 10. Nd4
Be5 $15) 10. exd4 $11 exd4+ 11. Ne2 c5 12. bxc5 Bxc5 (12... Nxc5 13. Nfxd4 Be5
14. f3 $11) 13. Nfxd4 $14 Ne5 14. Nb3 g6 $2 (14... Bd6 $142 $16) 15. Bxe5 $18 (
15. Nxc5 $6 Qxc5 16. Qc3 Ned7 $18) 15... Qxe5 16. d4 Bxd4 17. Nbxd4 Bf5 (17...
Re8 18. Qd2 $18) 18. Qb2 (18. f4 Qxd4 19. Nxd4 Bxc2 20. Nxc2 Rfe8+ 21. Kf2 Ne4+
22. Kf3 Nd2+ 23. Kg3 Rac8 $18) 18... Rac8 (18... Rae8 19. Rd1 Be4 20. Qb5 $18)
19. f4 (19. Qxb7 Rxc4 20. Qxa7 Nd5 $18) 19... Qe4 20. Nxf5 Qxf5 21. Qe5 (21.
Qxb7 Rfe8 $18) 21... Rxc4 (21... Qxe5 22. fxe5 Nd7 23. Rb1 $18) 22. Qxf5 gxf5
23. Kf2 (23. Rb1 b6 $18) 23... Re8 (23... Ne4+ 24. Ke1 $18) 24. Ra2 (24. g3
Ne4+ 25. Kg1 b5 $18) 24... Ne4+ 25. Kg1 Rd8 (25... b5 26. Rb2 a6 27. g3 $18)
26. g4 fxg4 27. hxg4 Rd1 28. Kg2 Nd2 (28... b5 29. g5 $18) 29. Kf2 (29. Rb2 b6
$18) 29... Ne4+ 30. Kg2 $4 (30. Ke3 Nf6 31. g5 Nd5+ 32. Kf3 Rd3+ 33. Kf2 Nc3
$18) 30... Nd2 31. Ng3 (31. Rb2 $142 $5 b6 32. g5 $18) 31... Nxf1 $16 32. Rxf1
Rxf1 33. Nxf1 (33. Kxf1 $6 Rxf4+ 34. Rf2 Rxg4 $14) 33... Rxf4 34. Ne3 Ra4 35.
Kg3 Kg7 36. Nc2 (36. Nf5+ Kg6 $18) 36... Kg6 $16 37. Rb2 Rc4 38. Kf3 Rc3+ (
38... b6 39. Ne3 Rc3 40. Ra2 $16) 39. Ke4 b6 40. Kd4 Rc5 41. Ne3 h5 42. gxh5+
Rxh5 43. Nd5 (43. Rg2+ Rg5 $18) 43... Rh1 (43... Rh4+ 44. Ke5 $16) 44. Ne7+ (
44. Rg2+ Kh6 $18) 44... Kf6 $16 45. Nc8 Rh3 (45... Rh4+ 46. Kd5 Rh5+ 47. Kc6
$18) 46. Ra2 $18 Rh4+ 47. Kd5 Ra4 48. Kc6 (48. Nd6 $5 Ra5+ 49. Kc6 Rc5+ 50. Kb7
Ke6 $18) 48... Kg5 49. Kb5 Ra5+ 50. Kc6 (50. Kb4 $142 $16) 50... Ra4 $11
1/2-1/2

[Event "26th Budapest Spring Festival Budapest"]
[Site "?"]
[Date "2010.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Korpa, B."]
[Result "1-0"]
[WhiteElo "2250"]
[BlackElo "2155"]
[PlyCount "63"]
[EventDate "2010.??.??"]

1. b4 e5 2. a3 d5 3. Bb2 Bd6 4. c4 c6 5. Nf3 Qe7 6. cxd5 cxd5 7. Nc3 Nf6 8. Nb5
Nbd7 9. Nxd6+ Qxd6 10. g3 $146 (10. e3 O-O 11. Be2 Re8 12. O-O Nb6 13. Qc2 Bg4
14. Bb5 Bxf3 15. gxf3 Re7 16. Kh1 d4 17. Qf5 a6 18. Be2 dxe3 19. Rad1 exf2 20.
Rxf2 Nbd5 21. Bc4 Ne3 22. dxe3 Qxd1+ 23. Rf1 Qd7 24. Qg5 h6 {
Keller,D (2420)-Zueger,B (2435)/SUI-ch int Switzerland Biel 1989/0-1 (44)}) (
10. Rc1 O-O $11) 10... O-O 11. Bg2 Re8 12. O-O (12. Rc1 b5 $11) 12... Nb6 13.
d3 Bf5 (13... Bg4 14. Rc1 $11) 14. Nh4 Bg4 15. f3 Be6 (15... Bd7 16. f4 e4 17.
Rc1 $11) 16. f4 Ng4 17. fxe5 Nxe5 18. Nf5 (18. e3 Nbd7 $11) 18... Bxf5 19. Rxf5
h6 (19... Ng4 20. Rg5 Ne5 21. e4 $11) 20. Qd2 (20. e3 f6 $14) 20... Nbd7 (20...
Rac8 21. Raf1 $14) 21. Raf1 Nf6 $2 (21... Rac8 $142 $14) 22. Qf4 $18 Nfg4 (
22... Qb6+ 23. Bd4 Ng6 24. Qf2 $18 (24. Bxb6 $6 Nxf4 25. R1xf4 axb6 $11)) 23.
d4 (23. h3 g6 24. Rxf7 Qb6+ 25. Bd4 Qe6 26. Rxb7 Rf8 $18) 23... Qb6 24. Bxd5 g5
(24... Rad8 25. e4 (25. Bxf7+ $6 Nxf7 26. Qxg4 Ne5 $16) 25... Kh7 26. h3 $18)
25. Qd2 (25. Qe4 $142 $5 Kh8 26. Kh1 Nc4 27. Qxg4 Ne3 $18) 25... Rad8 26. Bxf7+
(26. Bb3 Qc6 27. Qc1 Qb6 $18) 26... Nxf7 27. Rxf7 Qe6 $2 (27... Qg6 28. d5 Qxf7
29. Rxf7 Kxf7 $18) 28. d5 (28. Qc2 Qxf7 29. Rxf7 Kxf7 30. Qh7+ Ke6 31. Qe4+ Kd6
32. Qxg4 Re3 $18) 28... Qxf7 29. Rxf7 Kxf7 30. Qd4 Ne5 (30... Re5 31. Qxg4
Rexd5 32. Qh5+ Ke7 33. Qxh6 $18) 31. Qe4 Kf6 32. g4 (32. g4 Rd7 33. Qf5+ Ke7
34. Qxe5+ Kd8 35. Qb8+ Ke7 36. Qxa7 Rxd5 37. Qxb7+ Kd6 38. Qa6+ Kc7 39. Qc4+
Kd6 40. Bd4 $18) 1-0

[Event "Verden/Aller GER, Men Ch"]
[Site "?"]
[Date "2014.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Krause, Ullrich"]
[Result "0-1"]
[WhiteElo "2275"]
[BlackElo "2275"]
[PlyCount "60"]
[EventDate "2014.??.??"]

1. b4 e5 2. a3 d5 3. Bb2 Bd6 4. c4 c6 5. Nf3 (5. c5 Bc7 6. d4 e4 7. g3 f5 8.
Nh3 Nf6 9. Nc3 O-O 10. Bc1 h6 11. Nf4 Kh7 12. a4 g5 13. Ng2 Be6 14. h3 Nbd7 15.
Be3 f4 16. gxf4 gxf4 17. Nxf4 Bxf4 18. Bxf4 Nh5 19. Be3 Qh4 {
tyjotomy (1765)-lechupl1/kurnik 2014/1-0}) 5... Nd7 (5... Qe7 6. cxd5 cxd5 7.
Nc3 Nf6 8. Nb5 Nbd7 9. Nxd6+ Qxd6 10. e3 O-O 11. Be2 Re8 (11... a6 12. O-O Re8
13. Nh4 Nb6 14. f4 e4 15. g4 Rd8 16. Kh1 Bd7 17. Be5 Qc6 18. Rg1 Nc4 19. Bd4
Ne8 20. Nf5 Bxf5 21. gxf5 f6 22. Bh5 Rd7 23. Bxe8 Rxe8 24. Qh5 Rc8 25. Rac1 b6
26. Rg3 {Steffens,O-Rendboe,J/Odense DEN, Open 2013/1-0 (35)}) 12. O-O Nb6 13.
Qc2 Bg4 14. Bb5 Bxf3 15. gxf3 Re7 16. Kh1 d4 17. Qf5 a6 18. Be2 dxe3 19. Rad1
exf2 20. Rxf2 {
Keller,D (2420)-Zueger,B (2435)/SUI-ch int Switzerland Biel 1989/0-1 (44)}) 6.
e3 $146 (6. cxd5 cxd5 7. Qa4 Qe7 8. Nc3 Ngf6 9. Qb3 Nb6 10. e3 O-O 11. Be2 Bf5
12. Nb5 Bb8 13. a4 Rd8 14. a5 Nc4 15. Bc3 a6 16. Na3 Nxa3 17. Qxa3 Ne4 18. O-O
Bd6 19. Rfd1 Rac8 20. Qb2 Nxc3 {
Dergatschova Daus,A (2245)-Guenther,A (2125)/BL 2002/0-1 (50)}) 6... Qe7 7.
cxd5 cxd5 8. Nc3 Ngf6 9. Nb5 Bb8 10. Qc2 O-O 11. Rc1 a6 12. Nc7 Bxc7 13. Qxc7 {
e5 draws heavy fire} Ne8 14. Qc2 (14. Qa5 Nef6 $16) 14... f6 (14... Nd6 $14)
15. Nh4 (15. h4 $142 $5 $14) 15... Nb6 $11 16. f4 Bd7 17. Nf5 (17. Qc5 Qxc5 18.
bxc5 Na4 $15) 17... Bxf5 18. Qxf5 Nd6 19. Qh5 Nbc4 20. Ba1 (20. Bxc4 $5 Nxc4
21. Rc2 $17) 20... Rac8 $19 21. fxe5 fxe5 22. Bd3 g6 23. Bxg6 hxg6 24. Qxg6+
Qg7 25. Qe6+ $2 (25. Qxg7+ Kxg7 26. d3 Nxe3 27. Bxe5+ Kh7 28. Rxc8 Nxc8 $19)
25... Qf7 (25... Rf7 $142 26. Qxd5 Rcc7 27. Bxe5 Qxe5 28. Qxe5 Nxe5 29. Rxc7
Rxc7 $19) 26. Qg4+ Qg7 27. Qe6+ Kh7 (27... Rf7 $142 28. Qxd5 Rc6 $19) 28. Qxd5
$4 (28. Qh3+ $142 Qh6 29. Qxh6+ Kxh6 30. Ke2 $19) 28... Nxe3 $1 29. Qd3+ (29.
dxe3 Rxc1+ {Discovered attack} (29... Rxc1+ {Decoy})) 29... e4 30. Rxc8 (30.
Bxg7 Rxc1+ 31. Ke2 exd3+ 32. Kxd3 Rxh1 33. Bxf8 $19) 30... Qxa1+ (30... Qxa1+
31. Ke2 exd3+ 32. Kxd3 Qxa3+ 33. Rc3 Qxb4 34. Rc7+ Kg6 35. Ke2 Qg4+ 36. Kd3
Qe4+ 37. Ke2 Qxg2+ 38. Kd3 Qe4+ 39. Ke2 Ng4+ 40. Kd1 Qb1+ 41. Rc1 Nf2+ 42. Ke1
Qe4+ 43. Kf1 Nh3#) 0-1

[Event "Schleswig Holstein-ch M"]
[Site "?"]
[Date "1994.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Kreuzholz, Michael"]
[Result "1/2-1/2"]
[PlyCount "76"]
[EventDate "1994.??.??"]

1. b4 c6 2. e3 Nf6 3. c4 (3. Bb2 d5 $11) 3... g6 (3... e5 4. a3 $15) 4. Bb2 (4.
d4 a5 $11) 4... Bg7 5. f4 (5. Nf3 Qb6 $11) 5... O-O 6. Nf3 d5 7. Nc3 a5 (7...
Bg4 8. d4 $15) 8. a3 (8. b5 cxb5 9. Nxb5 Bg4 $11) 8... Bg4 9. Qb3 (9. Qa4 Bxf3
10. gxf3 Nbd7 11. bxa5 d4 12. exd4 Qc7 $15) 9... axb4 (9... dxc4 10. Bxc4 axb4
11. axb4 Rxa1+ 12. Bxa1 Bxf3 13. gxf3 $15) 10. axb4 (10. Qxb4 b6 $15) 10...
Rxa1+ 11. Bxa1 Bxf3 12. gxf3 Nbd7 (12... dxc4 13. Bxc4 b5 14. Be2 $15) 13. Be2
(13. d4 Nb6 $15) 13... dxc4 $15 14. Bxc4 e5 (14... Nb6 15. d4 $15) 15. Ne2 b5
16. Bd3 Nd5 (16... exf4 $142 17. Nxf4 Bh6 $15) 17. O-O (17. Bxb5 Qh4+ 18. Ng3
Nxe3 19. dxe3 cxb5 20. fxe5 Bxe5 21. Bxe5 Nxe5 22. O-O $17) 17... exf4 $17 18.
e4 Qg5+ (18... Bxa1 19. Rxa1 Qf6 20. Ra7 $17) 19. Kh1 N5b6 20. Rg1 Qh5 21. Bxg7
(21. Bc2 Bxa1 22. Rxa1 Ne5 23. Nxf4 Qxf3+ 24. Qxf3 Nxf3 $17) 21... Kxg7 (21...
Qxf3+ 22. Rg2 Kxg7 $17) 22. Rg4 $15 Kg8 (22... Nf6 23. Rxf4 Qg5 24. Qc3 $14)
23. Nxf4 (23. Qc3 Qh3 24. Ng1 Qh6 $11) 23... Qe5 $15 24. Ne2 Qe6 (24... Ra8 25.
Bb1 $15) 25. Bc2 (25. Qxe6 fxe6 26. f4 Kf7 $15) 25... Qxb3 $11 26. Bxb3 Ne5 27.
Rg3 (27. Rg2 Nxf3 28. d4 Nd2 $19) 27... Nd3 28. f4 (28. Kg2 Rd8 $17) 28... Nf2+
29. Kg2 Nxe4 30. Rd3 Re8 31. Kf3 (31. Nd4 c5 32. bxc5 Nxc5 $17) 31... c5 32.
Ba2 (32. bxc5 Nxc5 33. Rc3 Ne4 $17) 32... Nc4 (32... cxb4 $6 33. Rd4 Nc4 34.
Bxc4 Nxd2+ 35. Rxd2 bxc4 36. Nd4 $17) 33. bxc5 Nexd2+ 34. Kf2 Ne4+ 35. Kf3
Ned2+ $4 (35... Nxc5 $142 36. Bxc4 bxc4 $19) 36. Kf2 $17 Ne4+ (36... Rc8 37.
Ke1 Ne4 $19 (37... Rxc5 $6 38. Ng3 $17)) 37. Kf3 $19 Ncd2+ (37... Nxc5 $142 $5
38. Bxc4 bxc4 $19) 38. Kg2 $17 Nc4 (38... Rc8 $142 $5 39. Rd7 Nc4 40. Bxc4 bxc4
$17) 1/2-1/2

[Event "Schleswig Holstein-ch masters"]
[Site "?"]
[Date "1997.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Krueger, Wolfgang"]
[Result "1-0"]
[WhiteElo "2320"]
[PlyCount "51"]
[EventDate "1997.??.??"]

1. b4 e5 2. a3 a5 3. b5 Bc5 4. e3 $11 Nf6 (4... d5 5. d4 exd4 6. exd4 $11) 5.
d4 exd4 (5... Bd6 6. Bc4 $11) 6. exd4 Be7 7. Nf3 O-O 8. Bd3 d5 (8... Re8 9. O-O
$11) 9. Nbd2 (9. O-O Re8 $11) 9... c5 (9... Re8 10. O-O $11) 10. dxc5 Bxc5 11.
O-O Bg4 (11... Re8 12. Nb3 Bd6 13. Nbd4 $14) 12. Bb2 (12. h3 Bh5 $14) 12...
Nbd7 (12... Re8 13. h3 Bh5 14. Re1 $14) 13. Rc1 (13. h3 Bh5 $14) 13... Rc8 (
13... Re8 14. h3 Bh5 15. c4 $11) 14. c4 (14. h3 Bh5 $11) 14... Nb6 (14... Re8
15. cxd5 Nxd5 16. Re1 $11) 15. h3 (15. cxd5 Nbxd5 16. Ne4 Be7 $11) 15... Bd7 (
15... Be6 16. cxd5 Qxd5 17. Bb1 $11) 16. Ng5 (16. cxd5 $142 Nbxd5 17. Nb3 $14)
16... Nxc4 $2 (16... dxc4 17. Bxf6 Qxf6 18. Nxh7 $16) 17. Nxc4 (17. Bxf6 gxf6
18. Qh5 h6 19. Qxh6 Bf5 20. Bxf5 Bxf2+ 21. Rxf2 Re8 22. Qh7+ Kf8 23. Qxf7#)
17... dxc4 18. Bxc4 (18. Bxf6 Qxf6 19. Bxh7+ Kh8 20. Qh5 $16 (20. Qxd7 $6 Qxg5
21. Be4 Bxa3 $11)) 18... Be6 $4 (18... h6 $142 19. Bxf6 Qxf6 $14) 19. Nxe6 $18
fxe6 20. Bxe6+ Kh8 21. Qxd8 Rfxd8 (21... Rcxd8 $4 22. Rxc5 Rfe8 23. Bf5 $18)
22. Bxc8 Rxc8 23. Bd4 b6 24. Bxc5 bxc5 25. Rc4 Kg8 26. b6 (26. b6 Nd7 27. Rb1
$18) 1-0

[Event "Pyramiden Franken Cup 1st"]
[Site "?"]
[Date "1998.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Krug, Stefan"]
[Result "1/2-1/2"]
[WhiteElo "2305"]
[BlackElo "2095"]
[PlyCount "145"]
[EventDate "1998.??.??"]

1. b4 d5 2. e3 Nf6 3. c4 c6 4. a3 Bf5 5. Bb2 e6 6. Nf3 Be7 7. Nc3 O-O 8. d4 Ne4
(8... Nbd7 9. Bd3 $11) 9. Nxe4 (9. Be2 a5 $11) 9... Bxe4 (9... dxe4 10. Nd2 $11
) 10. Nd2 (10. c5 a5 $11) 10... Bg6 (10... Bf5 11. Be2 $15) 11. Be2 $11 Nd7 12.
c5 (12. O-O h6 $11) 12... Qc7 13. O-O b6 14. cxb6 (14. Nf3 bxc5 15. bxc5 Bf6
$15) 14... axb6 15. Rc1 Qb7 (15... c5 16. Bb5 $15) 16. Qb3 Rfc8 17. Bf3 Nf6 18.
g3 Qa7 (18... h6 19. Rfe1 $15) 19. Qc3 (19. Rfe1 Qd7 $15) 19... Qa6 20. Rfe1 (
20. Qb3 c5 $15) 20... c5 $17 21. bxc5 bxc5 22. e4 (22. dxc5 Rxc5 23. Qd4 Rac8
$17) 22... dxe4 23. Nxe4 Bxe4 24. Bxe4 Nxe4 25. Rxe4 cxd4 (25... Bf6 $5 26. Qe3
c4 $17) 26. Qxd4 Rxc1+ 27. Bxc1 Rd8 28. Qc3 (28. Qc4 Rd1+ 29. Kg2 Qb7 $17)
28... Rd1+ $17 29. Re1 Rxe1+ 30. Qxe1 Bxa3 31. Qe5 Bf8 (31... Bd6 32. Qd4 $17)
32. Bb2 (32. Be3 Qc6 $17) 32... Qd6 33. Qc3 Qd1+ 34. Kg2 Qd5+ 35. Kg1 Qc5 (
35... f6 36. Ba3 Bxa3 37. Qxa3 Qd1+ 38. Kg2 $17) 36. Qf3 (36. Qb3 $17) 36...
Qd5 37. Qc3 Qd6 (37... f6 38. Ba3 Bxa3 39. Qxa3 $17) 38. h3 (38. Qc2 f6 $17)
38... Qc5 (38... f6 39. Qc8 $17) 39. Qf3 (39. Qxc5 Bxc5 40. Kf1 f6 $17) 39...
Qd5 40. Qc3 Qf5 (40... Qb5 41. Bc1 $17) 41. h4 Qd5 42. Ba3 (42. Qc8 Qd1+ 43.
Kh2 Qd6 $17) 42... Bxa3 43. Qxa3 h6 44. Qe7 Qf5 45. Kg2 g5 (45... Qe4+ 46. Kh2
Qf3 47. Kg1 $17) 46. hxg5 Qxg5 (46... hxg5 47. f3 $17) 47. Qb4 h5 48. Kh2 Qe5
49. Qd2 Kg7 50. Kg1 Qf5 51. Qd4+ e5 52. Qe3 Kg6 53. Qb6+ Qf6 54. Qe3 Qg5 55.
Qe4+ Qf5 56. Qe3 (56. Qa8 Kg7 $15) 56... h4 $17 57. gxh4 Kh5 58. Kf1 Kxh4 59.
Qg3+ Kh5 60. Qg7 (60. Qh2+ Kg6 $17) 60... f6 (60... Qd3+ 61. Ke1 Qe4+ 62. Kf1
Qc4+ 63. Ke1 $17) 61. Ke1 (61. Qh8+ Kg4 $17) 61... Qg6 62. Qh8+ Kg5 63. Kf1
Qb1+ (63... Qf7 64. Qc8 $17) 64. Kg2 Qg6 65. Kf1 Qb1+ (65... Qf7 66. Qc8 $17)
66. Kg2 $15 Qe4+ 67. Kf1 (67. f3 Qb1 $15) 67... Qg6 (67... Qb7 68. Qg8+ Kf5 69.
Qh8 $17) 68. Qc8 f5 (68... Qb1+ 69. Kg2 Qf5 70. Qg8+ Qg6 71. Qc4 $17) 69. Qd8+
Kg4 70. Qd3 Kg5 71. Qd8+ Kg4 72. Qd3 Kh4 (72... Qe6 $142 $5 $17) 73. Qd8+ $11
1/2-1/2

[Event "Verden/Aller GER, Men Ch"]
[Site "?"]
[Date "2014.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Kuersten, Ruediger"]
[Result "0-1"]
[WhiteElo "2275"]
[BlackElo "2175"]
[PlyCount "68"]
[EventDate "2014.??.??"]

1. b4 c6 2. e3 d5 3. c4 Nf6 4. Bb2 Bg4 5. Nf3 e6 6. b5 Be7 (6... Bd6 7. a4 O-O
8. Be2 Nbd7 9. d4 Re8 10. O-O Rc8 11. c5 Bb8 12. a5 e5 13. a6 bxa6 14. bxc6 Nf8
15. dxe5 Ne4 16. h3 Bxf3 17. Bxf3 Bxe5 18. Bd4 Bxd4 19. exd4 Rxc6 20. Nd2 f5
21. Nb3 {brother-mircea68ro/kurnik 2014/1-0}) 7. a4 (7. h3 Bxf3 8. Qxf3 O-O 9.
Be2 Nbd7 10. O-O Ne4 11. d3 Bf6 12. Bxf6 Nexf6 13. cxd5 cxd5 14. a4 Rc8 15. Ra2
Qa5 16. Qf4 Rc7 17. Nd2 Rc3 18. Rb1 Rfc8 19. Nb3 Qd8 20. Qb4 Qf8 21. Na5 Rc1+ {
Miralles,G (2300)-Herb,P (2230)/FRA-ch 1983/1/2-1/2 (41)}) 7... Nbd7 $146 (7...
O-O 8. Be2 Nbd7 9. O-O dxc4 10. Bxc4 cxb5 11. axb5 Nb6 12. Be2 Nbd5 13. d4 b6
14. Nc3 Nxc3 15. Bxc3 Rc8 16. Bb2 Bd6 17. h3 Bh5 18. Rxa7 Bc7 19. Ne5 Bxe2 20.
Qxe2 Nd5 21. Nc6 Qd6 22. g3 {brother-ejstecil/kurnik 2013/1-0 (36)}) 8. Nc3 e5
(8... O-O $5 $15) 9. h3 $11 Bxf3 10. Qxf3 e4 11. Qf5 (11. Qg3 $5 $14) 11... Bd6
12. f4 exf3 13. gxf3 (13. bxc6 bxc6 14. cxd5 Rb8 $11) 13... g6 $15 14. Qg5 Ne5
15. Be2 h6 (15... Nxc4 $143 16. Nxd5 cxd5 17. Bxf6 $14) 16. Qg2 Nxc4 (16...
dxc4 $2 17. f4 Ned7 18. bxc6 bxc6 19. Ne4 $16) 17. Bxc4 dxc4 18. f4 O-O 19. h4
(19. bxc6 bxc6 20. Qxc6 Rc8 $15) 19... Nh5 20. Ne4 Kh7 (20... Re8 21. bxc6 Bxf4
22. cxb7 $19 (22. exf4 $2 Nxf4 23. Qf3 Qd3 24. Qxd3 Nxd3+ 25. Kd1 Rxe4 26. cxb7
Rb8 $19)) 21. f5 Be7 (21... gxf5 22. Qf3 Ng7 23. Rg1 $18) 22. O-O-O (22. bxc6
bxc6 23. Rg1 Rg8 $17) 22... Qd3 (22... Qd5 $5 23. fxg6+ fxg6 $17) 23. Rdg1 Rg8
(23... gxf5 24. Qf3 f6 25. Qxh5 Qf1+ 26. Rxf1 c3 27. Rhg1 cxb2+ 28. Kxb2 Rg8
29. Qf7+ Kh8 30. Nxf6 Bxf6+ 31. Qxf6+ Kh7 32. Qxf5+ Kh8 33. Qe5+ Kh7 34. Rf7+
Rg7 35. Qxg7#) 24. Qf3 (24. fxg6+ $142 $5 fxg6 25. Rf1 $15) 24... Ba3 $17 25.
Bxa3 Qxa3+ 26. Kd1 Qd3 (26... Rad8 $142 27. fxg6+ fxg6 28. Qf7+ Rg7 29. Qxc4
Qxe3 $19) 27. Rg4 $2 (27. bxc6 bxc6 28. fxg6+ fxg6 $17) 27... Rg7 $4 (27...
cxb5 $142 28. fxg6+ fxg6 $19) 28. Rg5 $4 (28. bxc6 $142 $5 bxc6 29. fxg6+ fxg6
30. Nc5 $15) 28... Re8 (28... hxg5 $142 29. hxg5 Kg8 30. fxg6 Qb1+ 31. Ke2 Qxe4
32. Qxh5 Qg2+ 33. Ke1 fxg6 34. Qh8+ Kf7 35. Qh4 cxb5 36. Rf1+ Kg8 37. axb5 $19)
29. Rxh5 $4 (29. Rg4 $142 cxb5 30. axb5 $19) 29... Rxe4 (29... Qxe4 $6 30.
fxg6+ fxg6 31. Qxe4 Rxe4 32. Rc5 $17) 30. fxg6+ fxg6 31. Rc5 (31. Rxh6+ Kxh6
32. h5 Rg4 33. Qxg4 Qb1+ 34. Ke2 Qxh1 35. Qf4+ Kxh5 36. Qe5+ Kh6 37. Qf4+ g5
38. Qf6+ Kh7 39. Qf5+ Rg6 $19) 31... Ree7 (31... Rd7 $142 32. Rd5 Qxd5 $19 (
32... Rxd5 $6 33. Qf7+ Kh8 34. Qf8+ Kh7 35. Qf7+ Kh8 36. Qf8+ Kh7 37. Qf7+ $11)
) 32. h5 (32. bxc6 bxc6 33. Qf1 (33. Qxc6 $4 Rd7 34. Rh2 Rgf7 $19) (33. Rxc6
Rd7 34. Qg2 Qb1+ 35. Ke2 Rxd2+ 36. Kxd2 Qb2+ 37. Ke1 Qxg2 $19) 33... Qb3+ 34.
Ke1 $19) 32... Ref7 (32... Rd7 $142 33. Rh2 Rdf7 34. hxg6+ Qxg6 35. Rxh6+ Qxh6
36. Qe4+ Qg6 37. Rxc4 Qxe4 38. Rxe4 cxb5 39. axb5 Rg5 $19) 33. Qh3 $4 (33.
hxg6+ Qxg6 34. Qh3 Qb1+ 35. Ke2 Qd3+ 36. Ke1 $19) 33... Rf2 34. hxg6+ Rxg6 (
34... Rxg6 35. Qxh6+ Rxh6 36. Rxh6+ Kxh6 37. Rxc6+ bxc6 38. Kc1 Qxd2+ 39. Kb1
Qb2#) 0-1

[Event "Nyiregyhaza op"]
[Site "?"]
[Date "2001.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Kulman, Alexey"]
[Result "1-0"]
[WhiteElo "2295"]
[BlackElo "2125"]
[PlyCount "87"]
[EventDate "2001.??.??"]

1. b4 e5 2. a3 Nf6 3. Bb2 d6 4. c4 Be7 5. e3 O-O 6.
Nc3 Re8 7. Qc2 c6 $146 (7... Nbd7 8. Nf3 $15) 8. Nf3 $11 Bf8 (8... Nbd7 9. Be2
$11) 9. d4 Bg4 (9... e4 10. Nd2 d5 11. Rc1 $11) 10. dxe5 dxe5 11. Be2 (11. Ne4
Nxe4 12. Qxe4 f5 $11) 11... Qc7 (11... c5 12. Rd1 Nbd7 13. b5 $11) 12. O-O (12.
h3 Bh5 $11) 12... Nbd7 (12... a5 13. c5 $11) 13. h3 Bh5 14. Ng5 (14. c5 b6 15.
cxb6 axb6 $11) 14... Bxe2 15. Nxe2 a5 (15... c5 16. b5 $11) 16. c5 h6 17. Nf3 (
17. Ne4 Nd5 18. N4c3 axb4 19. Nxd5 cxd5 20. axb4 Qc6 $11) 17... b6 (17... axb4
18. axb4 Rxa1 19. Bxa1 $15) 18. cxb6 $11 Qxb6 19. bxa5 Rxa5 20. Rfc1 (20. Rfb1
Qc5 21. Nc3 Rb8 $11) 20... Rb8 (20... Bd6 21. Rab1 Qa6 22. Qxc6 $11) 21. Bc3
Rxa3 (21... Rc5 22. Ng3 $11) 22. Nxe5 $14 Rxa1 23. Bxa1 {
Attacks the isolani on c6} c5 24. Nc4 (24. Nf4 Bd6 25. Nc4 Qc7 26. Bxf6 Bxf4
$14) 24... Qa6 (24... Qb3 25. Qf5 $11) 25. Nf4 $14 Be7 (25... Qb7 26. Nd3 $14)
26. Nd3 (26. e4 Qc6 27. Rd1 Nb6 $14) 26... Rb5 (26... Qe6 27. Rd1 $11) 27. Nde5
(27. Rd1 Qc6 $11) 27... Nf8 (27... Qe6 28. Qa4 Rb4 29. Qa8+ Rb8 30. Qf3 $11)
28. Qf5 (28. e4 Qb7 29. f3 Ne6 $14) 28... Qe6 $11 29. Qf3 Qd5 (29... N8d7 $142
$5 $11) 30. Nc6 $16 Qe6 (30... Ng6 31. Bxf6 Qxf3 32. Nxe7+ (32. gxf3 $6 Bxf6 (
32... gxf6 $143 33. Nxe7+ Nxe7 34. Nd6 $16) 33. Kf1 Kh7 $11) 32... Nxe7 33.
gxf3 gxf6 34. Nd6 $16) 31. Nxe7+ $18 Qxe7 32. Bxf6 gxf6 33. Qc6 (33. Qg3+ Ng6
34. Nd6 $18) 33... Rb7 (33... Qb7 $142 $5 34. Qxf6 Rb1 35. Rxb1 Qxb1+ 36. Kh2
Qg6 37. Qxg6+ fxg6 $18) 34. Nd6 $18 Rc7 35. Nf5 Qe5 (35... Rxc6 $4 36. Nxe7+
Kg7 37. Nxc6 $18) 36. Qf3 Ne6 37. Nxh6+ Kf8 38. Nf5 (38. Qa8+ Kg7 39. Rc4 Nf8
$18) 38... Ng5 (38... Ra7 $142 $18) 39. Qa8+ Qe8 40. Qa6 (40. Qd5 Ne6 $18)
40... Rc6 (40... Qc6 41. Rd1 Ke8 42. Qc4 $18) 41. Qa7 (41. Qa4 Rc7 42. Qh4 Kg8
$18) 41... Ne4 (41... Qe5 42. Qa8+ Qe8 43. Qa4 $18) 42. Rd1 (42. Qa4 $142 $18)
42... c4 $2 (42... Rc8 $18) 43. Rd7 Re6 44. Qc7 1-0

[Event "Hastings Masters"]
[Site "?"]
[Date "1995.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Kumaran, Dharshan"]
[Result "1/2-1/2"]
[WhiteElo "2330"]
[BlackElo "2500"]
[PlyCount "84"]
[EventDate "1995.??.??"]

1. b4 e5 2. a3 d5 3. e3 Nf6 4. c4 dxc4 5. Bxc4 Bd6 6. Qc2 O-O 7. Ne2 Nbd7 (7...
a5 8. Bb2 $15) 8. Nbc3 (8. d4 a5 9. b5 Nb6 $15) 8... Nb6 9. Bd3 (9. Bb3 a5 10.
b5 Re8 $15) 9... Be6 (9... a5 10. Ne4 axb4 11. Nxf6+ Qxf6 12. Bxh7+ Kh8 13. Be4
bxa3 14. Ra2 $17) 10. Ne4 h6 11. Bb2 Nxe4 12. Bxe4 c6 (12... Nd5 13. d4 f5 14.
Bxd5 Bxd5 15. dxe5 $16) 13. d4 Nc4 14. dxe5 Bxe5 (14... Nxe5 15. Nd4 $11) 15.
Bxe5 Nxe5 16. Rd1 Qe7 17. Qc3 (17. Nd4 Nc4 $11) 17... Ng4 (17... Bc4 18. Nd4
Rad8 19. Rd2 $11) 18. Nf4 Rad8 19. Bf3 (19. Bd3 Qh4 20. g3 Qg5 $14) 19... Bf5 (
19... Rxd1+ 20. Bxd1 Rd8 21. Bxg4 Bxg4 22. f3 $11) 20. O-O Qe5 21. Rd4 (21. Qc1
Rfe8 $11) 21... Rxd4 22. Qxd4 Qxd4 23. exd4 Rd8 24. Rd1 Nf6 25. h3 (25. b5 g5
26. bxc6 bxc6 $11) 25... Be4 26. Bxe4 Nxe4 27. Ne2 Kf8 (27... Nf6 28. Re1 $11)
28. f3 (28. a4 f5 $11) 28... Nf6 29. Nc3 Nd5 30. Nxd5 Rxd5 31. Kf2 a5 32. Ke3
axb4 33. axb4 Rb5 34. Rb1 Ke7 35. Kd3 (35. g4 Rd5 $11) 35... Kd6 36. Kc4 Rg5
37. g4 b5+ (37... Rd5 38. Ra1 $11) 38. Kd3 Rg6 (38... Rd5 39. f4 $11) 39. Rc1 (
39. f4 f5 $11) 39... Rf6 40. Ke4 (40. Ke3 Re6+ 41. Kd2 g5 $11) 40... Re6+ 41.
Kd3 Rf6 42. Ke4 Re6+ 1/2-1/2

[Event "BL2-Nord"]
[Site "?"]
[Date "2001.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Lammers, Markus"]
[Result "1-0"]
[WhiteElo "2295"]
[BlackElo "2060"]
[PlyCount "49"]
[EventDate "2001.??.??"]

1. b4 d5 2. e3 e5 3. a3 Bd6 4. c4 c6 5. Bb2 Nf6 6. Nf3 Qe7 7. Be2 O-O (7... e4
8. Nd4 $15) 8. Nc3 (8. c5 Bc7 $11) 8... a5 (8... dxc4 9. Bxc4 b5 10. Ba2 $17)
9. cxd5 (9. c5 Bc7 $11) 9... axb4 10. axb4 Rxa1 (10... Nxd5 $4 11. Nxd5 cxd5
12. Rxa8 $18) 11. Qxa1 e4 12. Nd4 {White intends b5} cxd5 (12... Bxb4 13. dxc6
bxc6 14. Nc2 $15) 13. b5 $11 Be6 (13... Re8 14. Qa2 $11) 14. f4 exf3 (14... Bc5
15. Nxe6 Qxe6 16. Na4 $11) 15. gxf3 (15. Bxf3 Nbd7 $11) 15... Nfd7 (15... Bh3
16. f4 $11) 16. f4 Nb6 (16... Bc5 17. Na4 Bxd4 18. Bxd4 Qh4+ 19. Kd1 $11) 17.
Rg1 (17. f5 Bd7 $11) 17... f6 (17... Qh4+ 18. Kd1 Bc8 19. Nf3 $18) 18. Bf3 {
Exerts pressure on the isolated pawn} (18. Nxe6 Qxe6 19. Qa7 N8d7 $16) 18...
N8d7 (18... Bc5 19. Nxe6 Qxe6 20. Rg3 $11) 19. Qa7 (19. Qa2 $142 Ra8 20. Nxd5
Bxd5 21. Bxd5+ Kh8 22. Qxa8+ Nxa8 23. Nf5 $16) 19... Nc4 $4 (19... Bc5 $142 20.
Nxe6 Qxe6 $11) 20. Nxe6 $18 Nxb2 21. Rxg7+ Qxg7 22. Nxg7 Kxg7 23. Qxb7 Nd3+ (
23... Rd8 24. Bxd5 Nd3+ 25. Ke2 $18) 24. Ke2 N3c5 (24... Rf7 25. Qxd5 Nxf4+ 26.
exf4 Bxf4 27. h3 $18) 25. Qxd5 (25. Qxd5 Be7 26. d4 $18) (25. Qc6 Bxf4 26. Nxd5
Ne5 27. Qxc5 Bxh2 $18) 1-0

[Event "Pyramiden Franken Cup 2nd"]
[Site "?"]
[Date "1999.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Ludwig, Ines"]
[Result "1-0"]
[WhiteElo "2265"]
[PlyCount "101"]
[EventDate "1999.??.??"]

1. b4 d5 2. Bb2 e6 3. Nf3 Nd7 4. e3 c6 5. c4 Ngf6 6. a3 Bd6 7. Nc3 O-O 8. Qc2
e5 9. h3 Re8 10. Be2 e4 11. Nd4 a6 12. g4 Ne5 13. g5 Nfd7 14. cxd5 Qxg5 $2 (
14... cxd5 $142 15. Nxd5 Nd3+ 16. Bxd3 exd3 17. Qxd3 Ne5 $14) 15. Nxe4 $18 (15.
Qxe4 $6 c5 16. h4 Qd8 17. bxc5 Bxc5 $11) 15... Qg6 16. Nxd6 Qxd6 17. f4 Ng6 18.
h4 (18. dxc6 Nb8 $18) 18... Nf6 (18... Qxd5 $142 $5 19. Bf3 Qd6 $16) 19. dxc6
$18 bxc6 20. h5 (20. Nxc6 Bb7 21. Rc1 Rac8 $15) 20... Ne7 21. Qc5 Qxc5 22. bxc5
Rb8 23. O-O-O Ne4 24. Rhg1 Nxc5 25. Rg5 (25. Rxg7+ $1 Kxg7 26. Ne6+ Kg8 27.
Rg1+ Ng6 28. Nxc5 Rb6 $18) 25... Na4 26. Ba1 h6 27. Ra5 c5 28. Rxa4 cxd4 29.
Bxd4 Nf5 30. Bc3 (30. Bxa6 Bxa6 31. d3 Nxd4 32. Rxd4 Rec8+ 33. Kd2 Rb2+ 34. Ke1
Rh2 $19) 30... Re6 31. Rg1 Reb6 32. Rb4 Be6 33. e4 Ne7 34. Bxg7 Kh7 35. Bf6 (
35. Bc3 $5 Rxb4 36. Rg7+ Kh8 37. axb4 Rc8 38. Rg3+ f6 39. Bxa6 Rf8 $18) 35...
Rc6+ 36. Kb2 Rg8 37. Rxg8 (37. Bxe7 $6 Rxg1 38. e5 Rg2 $14) 37... Nxg8 38. Bh4
a5 39. Rb8 a4 40. d4 Bb3 41. Bd3 Kg7 42. e5 Rc7 43. f5 Rd7 44. f6+ Kh8 45. Bf2
Bd1 46. Be3 Bxh5 47. Bxh6 Bg6 48. Bxg6 fxg6 49. e6 Rxd4 50. f7 Kh7 51. fxg8=Q+
(51. fxg8=Q+ Kxh6 52. Qh8+ Kg5 53. Qxd4 Kf5 54. Rf8+ Kxe6 55. Rf6+ Ke7 56. Qd6+
Ke8 57. Rf8#) 1-0

[Event "Groningen Weekendtornooi"]
[Site "?"]
[Date "2016.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Maatman, Nick"]
[Result "0-1"]
[PlyCount "72"]
[EventDate "2016.??.??"]

1. b4 d5 2. Bb2 Bg4 3. h3 Bh5 4. Nf3 Nd7 5. e3 Ngf6 6. c4 (6. Be2 e6 7. O-O
Bxb4 8. a3 Bd6 9. d4 c5 10. c4 dxc4 {
0-1 pushtiu (2330)-pierred (2760)/net-chess.com 2011}) 6... e6 7. b5 $146 (7.
a3 c6 8. Nc3 Bd6 9. d4 O-O 10. Be2 Re8 11. O-O a5 12. b5 dxc4 13. bxc6 bxc6 14.
Bxc4 Qb6 15. Rb1 Qa7 16. Qa4 Rac8 17. Ne2 Bxf3 18. gxf3 e5 19. Bc3 exd4 20.
Nxd4 c5 21. Nf5 Bb8 {anonymouuus-dolmance74 (1725)/kurnik 2014/0-1 (49)}) 7...
Bd6 8. Nc3 O-O 9. g4 Bg6 10. h4 (10. g5 Ne4 11. cxd5 Nxc3 12. dxc3 Be4 $15)
10... h5 (10... dxc4 11. Bxc4 Nb6 $15) 11. cxd5 (11. g5 Ne4 $11) 11... Nxg4 $15
12. Be2 e5 13. Ng5 Ndf6 14. Qb3 Qe7 15. f3 Nh6 16. e4 Nh7 17. Rg1 Qf6 18. O-O-O
Rfc8 19. f4 (19. Qc4 $5 $15) 19... Qxf4 $17 20. Ne6 (20. Rdf1 Qxh4 21. Nxh7
Bxh7 $15) 20... Qxh4 $19 (20... fxe6 21. Rxg6 Qh2 22. Bxh5 Qxh4 23. Be2 $16)
21. d4 (21. Rh1 Qe7 22. Rdg1 Nf6 $19 (22... fxe6 $6 23. Rxg6 Nf8 24. Rg2 $11))
21... Ng4 22. Bxg4 hxg4 23. dxe5 Bxe5 (23... fxe6 $6 24. exd6 cxd6 25. dxe6 $15
) 24. Nc5 Nf6 (24... c6 25. bxc6 bxc6 26. d6 $19) 25. Nd3 (25. Kb1 $19) 25...
Nxe4 26. Nxe4 Bxb2+ 27. Kxb2 Bxe4 28. Ne5 (28. Nb4 $19) 28... Qh2+ 29. Ka3 Qxe5
30. Rxg4 a6 31. b6 cxb6 32. Rdg1 (32. Rxe4 Qxe4 33. Qd3 $19) 32... Rc3 33.
Rxg7+ Kh8 34. R7g5 Rxb3+ 35. axb3 Qd6+ 36. b4 Bg6 0-1

[Event "Oberliga Nord N"]
[Site "?"]
[Date "1997.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Machelett, Heiko"]
[Result "0-1"]
[WhiteElo "2315"]
[BlackElo "2355"]
[PlyCount "48"]
[EventDate "1997.??.??"]

1. b4 e5 2. a3 g6 3. Bb2 Bg7 4. e3 d6 5. c4 Nf6 6. Nf3 O-O (6... e4 7. Nd4 $11)
7. d4 Nbd7 (7... e4 8. Nfd2 $11) 8. Nc3 (8. Be2 exd4 9. Bxd4 a5 $11) 8... Re8 (
8... a5 9. Bd3 $11) 9. Be2 e4 (9... a5 10. O-O $11) 10. Nd2 $14 Nf8 (10... c5
11. O-O $14) 11. g4 (11. O-O a5 $14) 11... h6 12. Rg1 (12. h4 N8h7 $14) 12...
c6 (12... c5 $11) 13. d5 (13. h4 $5 $14) 13... cxd5 $15 14. cxd5 (14. g5 hxg5
15. cxd5 g4 $15) 14... Nxd5 15. Nxd5 {A pinning theme} (15. Ndxe4 Nxc3 16. Nxc3
Qh4 $15) 15... Bxb2 $17 16. Rb1 Bg7 (16... Bxa3 $143 17. Nc4 $16) 17. Qc2 (17.
Rc1 Rb8 $17) 17... Be6 (17... Re5 18. Nc7 Rb8 19. g5 $17) 18. Nc7 (18. Qxe4 Bf5
$1 19. Qxe8 Qxe8 20. gxf5 Qe5 $15) 18... Rc8 $19 19. Nxe6 Nxe6 (19... Rxe6 20.
Qa4 $19) 20. Qa4 (20. Qxe4 d5 21. Qf3 Ng5 $19) 20... d5 $19 21. Qxa7 d4 (21...
Qc7 $142 22. Qa5 Qxh2 $19) 22. Bc4 $2 (22. Nxe4 $142 $5 dxe3 23. Qxe3 $19)
22... dxe3 (22... Qc7 23. g5 Ra8 24. Qxa8 Rxa8 25. gxh6 dxe3 26. fxe3 $19) 23.
Qxe3 Bd4 24. Qxh6 e3 (24... e3 25. fxe3 Bc3 $19) 0-1

[Event "GER-ch Binz"]
[Site "?"]
[Date "1994.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Mainka, Romuald"]
[Result "0-1"]
[BlackElo "2485"]
[PlyCount "64"]
[EventDate "1994.??.??"]

1. b4 d5 2. e3 c6 (2... e5 3. Bb2 Bd6 4. Nf3 $15) 3. c4 (3. Bb2 Qd6 $11) 3...
Nf6 (3... e5 4. Bb2 Bd6 5. cxd5 cxd5 6. Nf3 $11) 4. Nf3 Bg4 5. Bb2 e6 (5... e5
6. Bxe5 dxc4 7. a3 $11) 6. a3 (6. c5 b6 7. Bd4 Ne4 $11) 6... Nbd7 (6... dxc4 7.
Bxc4 b5 8. Be2 $15) 7. d4 (7. h3 Bxf3 8. Qxf3 dxc4 9. Bxc4 Bd6 $11) 7... Bd6
$15 8. Nbd2 O-O 9. Bd3 (9. Be2 Bxf3 10. Bxf3 b5 $15) 9... Re8 (9... e5 10. O-O
e4 11. c5 $19) 10. cxd5 (10. c5 Bc7 $11) 10... exd5 $15 11. Qc2 (11. h3 Be6 $15
) 11... a5 12. bxa5 Qxa5 13. Ng5 {Can h7 get defended?} (13. O-O Qa4 $15) 13...
Nf8 (13... h6 14. h3 Bh5 15. Ngf3 $15) 14. O-O $15 Qc7 (14... Ng6 15. h3 Bh5
16. g4 Nxg4 17. hxg4 Bxg4 18. Rfb1 $14) 15. Ngf3 Ng6 16. h3 Bxf3 17. Nxf3 Ne4
18. a4 Qe7 (18... Qa5 19. Rfb1 $11) 19. Qb3 (19. a5 Qe6 $11) 19... f5 (19...
Bb4 20. Rab1 $11) 20. Ba3 Bxa3 21. Rxa3 Kh8 (21... Ra5 22. Rb1 $11) 22. g3 (22.
a5 f4 $11) 22... Rad8 (22... Ra5 $5 $11) 23. Rb1 $14 {
The backward pawn on b7 becomes a target} b6 24. Kg2 c5 25. Bc2 (25. dxc5 bxc5
26. Qb7 Rd7 $11) 25... Rc8 (25... cxd4 26. Nxd4 Qf8 27. Qb4 $16) 26. dxc5 (26.
Qxd5 cxd4 27. Qa2 Rxc2 28. Qxc2 Qxa3 29. Nxd4 Rb8 $17) 26... Rxc5 27. Nd4 (27.
Rba1 $5 $11) 27... Nd2 $15 28. Qxb6 Rxc2 29. Nxc2 Qe4+ {Theme: Double Attack}
30. Kh2 Qxc2 (30... Nf3+ $142 31. Kg2 Ne1+ 32. Kf1 Nxc2 $19) 31. Qe6 $4 (31.
Qb8 Nf3+ 32. Kg2 Qe4 $17) 31... Rf8 (31... Nf3+ $142 32. Kg2 Ngh4+ (32... Rxe6
$4 33. Rb8+ Qc8 34. Rxc8+ Re8 35. Rxe8+ Nf8 36. Rxf8#) 33. gxh4 Nxh4+ (33...
Rxe6 34. Rb8+ Qc8 35. Rxc8+ Re8 36. Rxe8#) 34. Kg3 Qc7+ (34... Rxe6 35. Rb8+
Qc8 36. Rxc8+ Re8 37. Rxe8#) 35. f4 Rxe6 $19) 32. Rb7 $4 (32. Rba1 $142 Nf3+
33. Kg2 $11) 32... Ne4 $19 (32... Ne4 33. Qxe4 fxe4 $19) 0-1

[Event "European Club Cup"]
[Site "?"]
[Date "2014.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Makhmutov, Rail"]
[Result "1/2-1/2"]
[PlyCount "57"]
[EventDate "2014.??.??"]

1. b4 e5 2. a3 d5 3. Bb2 Bd6 4. c4 dxc4 5. e3 Be6 6. Qc2 b5 7. d3 cxd3 8. Bxd3
a6 9. f4 Nd7 10. Nf3 Nh6 $146 (10... f6 11. Bxh7 exf4 12. O-O Ne7 13. Nc3 fxe3
14. Rae1 Ne5 15. Rxe3 N7c6 16. Nxb5 axb5 17. Nxe5 Nxe5 18. Rxe5 fxe5 19. Qc6+
Ke7 20. Bc1 Rf8 21. Bg5+ Rf6 22. Qxb5 Rxa3 23. h4 Rg3 24. Ra1 Qd7 25. Qb8 {
Steffens,O (2285)-Hommes,E (2045)/Atlantis Open 2015/0-1}) (10... c5 11. fxe5
Be7 12. O-O Nh6 13. bxc5 Nxc5 14. Nd4 Rc8 15. Bxh7 Nb3 16. Nxe6 Rxc2 17. Nxg7+
Kf8 18. Ne6+ Ke8 19. Bxc2 fxe6 20. Bxb3 Qd3 21. Bxe6 Qxe3+ 22. Kh1 Qe2 23. Nd2
Qxd2 24. Bd7+ Qxd7 25. e6 {
Steffens,O (2300)-Boe,M (2310)/22nd Schloss Open 2016/0-1 (31)}) (10... c5 11.
fxe5 (11. Bxh7 $143 cxb4 (11... exf4 $6 12. Bxg7 Rxh7 13. Qxh7 $11) 12. Bxg8
exf4 $17 (12... Rxg8 $6 13. fxe5 Bc5 14. axb4 Bxb4+ 15. Kf2 $11)) 11... Be7 12.
O-O $11) 11. fxe5 $16 Be7 12. Nd4 (12. Bxh7 $6 Ng4 13. Qe4 Nf8 $11) 12... Nxe5
13. Be4 (13. O-O Bg5 14. Nxe6 Bxe3+ 15. Kh1 Qxd3 16. Nxc7+ Kf8 17. Qxd3 Nxd3
18. Nxa8 Nxb2 $16) 13... Bd5 14. Nc3 (14. O-O $142 Neg4 15. Nc3 $14) 14... c6
$2 (14... Bxe4 $142 15. Nxe4 Nhg4 $11) 15. Rd1 $18 Bxe4 16. Qxe4 (16. Nxe4 $6
Qc8 $11) 16... Qc7 (16... Nhg4 17. h3 Bh4+ 18. Ke2 $16) 17. Nxc6 Qxc6 (17...
Nxc6 $4 18. Nd5 Qc8 19. Bxg7 $18) 18. Nd5 (18. Qxe5 Qxg2 19. Qe4 Qxe4 20. Nxe4
O-O $15) 18... f6 19. Bxe5 fxe5 $2 (19... Kf7 20. Bf4 Qe6 21. Qxe6+ Kxe6 22.
Nc7+ Kf7 23. Nxa8 Rxa8 24. Bxh6 gxh6 $18) 20. O-O (20. Qxe5 $142 Ra7 21. Qb8+
Bd8 22. O-O $18 (22. Qxa7 $6 O-O 23. Rf1 Re8 $18)) 20... Rd8 $14 21. Qxe5 Rxd5
22. Rxd5 (22. Qxd5 $143 Qxd5 23. Rxd5 Ng4 $17) 22... Nf7 23. Qb8+ Nd8 24. Rxd8+
(24. Rdd1 $5 $16) 24... Bxd8 $11 25. Qe5+ Be7 26. Qb8+ Bd8 27. Qe5+ Be7 28.
Qb8+ Bd8 29. Qe5+ 1/2-1/2

[Event "Groninger Combinatie Open"]
[Site "?"]
[Date "2016.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Maris, Ivo"]
[Result "0-1"]
[WhiteElo "2275"]
[BlackElo "2360"]
[PlyCount "79"]
[EventDate "2016.??.??"]

1. b4 e5 2. a3 d5 3. Bb2 Bd6 4. c4 dxc4 5. e3 Be6 6. Qc2 b5 (6... Ne7 7. Bxc4
Qd7 8. Nf3 Nbc6 9. O-O O-O 10. Ng5 Bf5 11. Qb3 Bg6 12. Nc3 a6 13. Rac1 h6 14.
Nge4 Kh8 15. Nxd6 cxd6 16. a4 Rac8 17. a5 Rfd8 18. Na4 d5 19. Be2 Qd6 20. Nc5
Rc7 21. f4 {Fournier,F (2415)-Campos,A (2575)/chess.com 2011/0-1}) 7. d3 cxd3
8. Bxd3 c6 $146 (8... a6 9. f4 Nd7 10. Nf3 f6 (10... c5 11. fxe5 Be7 12. O-O
Nh6 13. bxc5 Nxc5 14. Nd4 Rc8 15. Bxh7 Nb3 16. Nxe6 Rxc2 17. Nxg7+ Kf8 18. Ne6+
Ke8 19. Bxc2 fxe6 20. Bxb3 Qd3 21. Bxe6 Qxe3+ 22. Kh1 Qe2 23. Nd2 Qxd2 24. Bd7+
Qxd7 25. e6 {Steffens,O (2300)-Boe,M (2310)/22nd Schloss Open 2016/0-1 (31)})
11. Bxh7 exf4 12. O-O Ne7 13. Nc3 fxe3 14. Rae1 Ne5 15. Rxe3 N7c6 16. Nxb5 axb5
17. Nxe5 Nxe5 18. Rxe5 fxe5 19. Qc6+ Ke7 20. Bc1 Rf8 21. Bg5+ Rf6 22. Qxb5 Rxa3
23. h4 {Steffens,O (2285)-Hommes,E (2045)/Atlantis Open 2015/0-1}) (8... a6 9.
Nf3 Nd7 10. Bxh7 $15) 9. Nf3 $11 f6 10. Bxh7 Ne7 11. Nc3 a5 12. bxa5 Nd7 13.
Rd1 (13. O-O Nf8 14. Bd3 Bg4 $11) 13... Bc7 (13... Nc5 14. Bg6+ Kf8 15. Ne4
Qxa5+ 16. Rd2 Nxe4 17. Bxe4 Bxa3 18. Bxa3 Qxa3 19. O-O $17 (19. Bxc6 $2 Rc8 20.
O-O Nxc6 $19)) 14. O-O $11 g5 15. Ne4 Bd5 (15... Rxh7 16. Rxd7 Kxd7 17. Nc5+
Kc8 18. Qxh7 $16 (18. Nxe6 $143 Qg8 $17)) 16. Nexg5 (16. Nxf6+ Nxf6 17. Bg6+
Kf8 $11 (17... Nxg6 $143 18. Qxg6+ Kf8 19. Nxe5 $16)) 16... fxg5 17. Rxd5 cxd5
(17... Nxd5 $143 18. Qg6+ Kf8 19. Qh6+ Kf7 20. Nxg5+ Qxg5 21. Qxg5 Rxh7 22. f4
$16) 18. Bg6+ Kf8 (18... Nxg6 19. Qxg6+ Ke7 20. Qg7+ Kd6 21. Nxe5 Nxe5 22.
Bxe5+ Ke6 23. Bxc7 $18 (23. Qxc7 $143 Qxc7 24. Bxc7 Rhc8 $16)) 19. Nxg5 Ra6 20.
Nf7 Qb8 21. Nxh8 Kg7 22. Bf5 Rc6 23. Qe2 (23. Qd2 Nf6 24. f4 Kxh8 $11) 23...
Nf6 (23... Nxf5 $142 $5 24. Qg4+ Kxh8 25. Qxf5 Qe8 $11) 24. f4 Kxh8 25. Bd7 (
25. Bd3 $142 Kg7 26. Bxb5 $16) 25... Nxd7 $17 26. Qh5+ Kg8 27. Qg4+ Rg6 (27...
Kf7 $142 $5 28. Qxd7 exf4 $17) 28. Qxd7 $14 Qd8 29. Qxb5 Nf5 30. fxe5 (30. Qe2
$142 $5 $14) 30... Nxe3 $15 31. Rf2 Bxa5 (31... Nc4 $5 $15) 32. Qd3 $14 Qg5 33.
h4 Qg4 34. h5 (34. Qxe3 $4 Bb6 35. Qxb6 Rxb6 $19) 34... Qxh5 35. Re2 (35. Qxe3
$142 $5 Qd1+ 36. Kh2 $11) 35... Bb6 $17 36. Rxe3 Bxe3+ 37. Qxe3 Qd1+ 38. Kh2
Qc2 39. Qh3 Qc6 (39... Qxb2 $142 40. Qc8+ Kh7 41. Qd7+ Kh6 42. Qh3+ Kg5 43.
Qg3+ Kf5 44. Qd3+ Kxe5 45. Qxg6 Qxa3 46. Qg7+ Kf5 47. g4+ Kf4 48. Qd4+ Kg5 49.
Qxd5+ Kxg4 50. Qe4+ Kg5 51. Qe5+ Kh4 52. Qd4+ Kh5 $11) 40. e6 0-1

[Event "Oberliga Nord W"]
[Site "?"]
[Date "2003.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Markgraf, Alexander"]
[Result "0-1"]
[WhiteElo "2255"]
[BlackElo "2320"]
[PlyCount "64"]
[EventDate "2003.??.??"]

1. b4 e5 2. a3 g6 3. Bb2 Bg7 (3... d6 4. e4 $11) 4. Nf3 d6 5. e3 (5. e4 f5 6.
exf5 Bxf5 $11) 5... f5 (5... Nf6 6. Bc4 $11) 6. c4 (6. Bc4 Nf6 $11) 6... Nf6 7.
c5 (7. d4 e4 8. Nfd2 O-O $11) 7... e4 8. Nd4 d5 (8... dxc5 9. bxc5 Qe7 10. Qc2
$11) 9. Nc3 O-O 10. Nce2 (10. Be2 a5 $11) 10... Qe7 (10... a5 11. Nf4 Qe7 12.
Bb5 $11) 11. h4 (11. Nf4 a5 $11) 11... Be6 (11... a5 12. Nf4 $11) 12. Nf4 Bf7 (
12... Bd7 $5 $11) 13. h5 $16 Nc6 (13... b6 14. hxg6 hxg6 15. c6 $16) 14. Nxc6
bxc6 15. hxg6 hxg6 16. Ba6 Ng4 (16... Rfb8 17. Qa4 $16) 17. Bxg7 Kxg7 18. d4 (
18. Nh3 Rab8 $16) 18... Rh8 (18... exd3 19. Qxd3 (19. Nxd3 $6 d4 $11) 19...
Rad8 20. Qd4+ Qf6 21. Rd1 $16) 19. Rh3 (19. Nh3 Qh4 20. Qb3 f4 21. exf4 e3 $16)
19... g5 (19... Qf6 20. Be2 $16) 20. Rxh8 Rxh8 21. Nh3 Be6 22. Qa4 (22. Be2 Nh2
$16) 22... f4 $14 23. exf4 e3 (23... gxf4 $5 24. Qxc6 Rh6 $14) 24. f3 $16 (24.
fxg5 exf2+ 25. Kd2 Bc8 $19) (24. Qxc6 exf2+ 25. Kf1 Bd7 26. Qxc7 Bb5+ 27. Bxb5
Qxc7 $19) (24. Nxg5 Rh1+ 25. Bf1 exf2+ 26. Kd2 Bf5 $19) 24... Nf2 25. Ng1 (25.
Nxf2 gxf4 26. Ra2 Rh2 $16) 25... Bd7 (25... gxf4 $5 26. Qxc6 Qd7 $11) 26. Qa5
$14 Rh1 27. Ke2 Bf5 (27... Rh2 $5 28. Qxc7 Rxg2 $11) 28. fxg5 $14 Rh2 29. Kf1
Kg8 30. Re1 $4 (30. Ra2 Qxg5 31. g4 Nxg4 32. Rxh2 Nxh2+ 33. Ke2 Qxg1 34. b5
Qf2+ 35. Kd1 Qf1+ 36. Qe1 Qd3+ 37. Qd2 Qxd2#) 30... Qxg5 31. Qxc7 (31. Re2
Qxg2+ 32. Ke1 Qxg1#) 31... Qxg2+ 32. Ke2 {Plans Qb8} Nd1+ (32... Nd1+ 33. Kxd1
Qd2#) 0-1

[Event "8th OGD Prinsenstad"]
[Site "?"]
[Date "2015.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Martens, Martin"]
[Result "0-1"]
[WhiteElo "2240"]
[BlackElo "2410"]
[PlyCount "60"]
[EventDate "2015.??.??"]

1. b4 e5 2. a3 g6 3. Bb2 Bg7 4. Nf3 d6 5. e3 Ne7 6. c4 O-O 7. Nc3 f5 (7... a5
8. b5 h6 9. Be2 Nd7 10. O-O f5 11. Qb3 Nc5 12. Qa2 e4 13. Nd4 Bd7 14. a4 Qe8
15. Ba3 b6 16. Rad1 Rd8 17. d3 exd3 18. Bxd3 Nxd3 19. Rxd3 Qf7 20. Nd5 Nxd5 21.
cxd5 f4 22. Rc1 {anonymouuus-klanyprecz (1770)/kurnik 2014/0-1 (32)}) 8. d4 e4
9. Nd2 c6 10. d5 $146 (10. Qb3 Be6 (10... Kh8 11. Be2 Nd7 12. h4 Nf6 13. h5
gxh5 14. Bxh5 Nxh5 15. Rxh5 Qe8 16. Rh2 Qg6 17. O-O-O f4 18. Rdh1 Bf5 19. Ne2
fxe3 20. fxe3 Qg4 21. Nf4 a5 22. Rh4 Qg3 23. Nf1 Qf2 24. Qc2 Qxc2+ 25. Kxc2 {
ferminkatcho (1745)-calinbrasov (1695)/kurnik 2012/0-1 (71)}) 11. Be2 Nd7 (
11... d5 12. h4 Nd7 13. h5 g5 14. h6 Bh8 15. O-O-O b6 16. f3 a5 17. fxe4 fxe4
18. cxd5 cxd5 19. Ncxe4 axb4 20. Nxg5 Bf5 21. e4 Bg6 22. Ne6 Qc8+ 23. Kb1 Rf2
24. Bg4 bxa3 25. Bxa3 Rxd2 26. Rxd2 {
ferminkatcho (1750)-malyrzeznik (1935)/kurnik 2012/1-0 (36)}) 12. h4 h6 13. f3
exf3 14. gxf3 b5 15. O-O-O Nb6 16. Rdg1 Qe8 17. Qc2 bxc4 18. h5 g5 19. e4 d5
20. e5 a5 21. f4 g4 22. Nf3 gxf3 23. Bxf3 Kh8 24. bxa5 Rxa5 {
ferminkatcho (1765)-szachoholik (1605)/kurnik 2011/0-1 (33)}) (10. Be2 Be6 $11)
10... cxd5 (10... a5 11. Be2 $11) 11. cxd5 Nd7 (11... a5 12. bxa5 Rxa5 13. Rc1
$11) 12. Qb3 Nf6 (12... Ne5 13. Nc4 $11) 13. Be2 Bd7 14. h3 (14. O-O Be8 $11)
14... Be8 $11 15. g4 (15. O-O $5 $11) 15... Bf7 $15 {Will d5 fall?} 16. gxf5 (
16. Bc4 $15) 16... gxf5 (16... Nxf5 $142 $5 17. Rb1 Re8 $17) 17. Rg1 $11 Ng6 (
17... Kh8 18. Nc4 $11) 18. O-O-O Rc8 19. Kb1 Ne5 (19... a6 20. Nc4 $14) 20. Rg5
Bg6 (20... a6 21. h4 Bg6 22. Rdg1 $16) 21. Rdg1 (21. Nb5 a5 22. Bxe5 dxe5 23.
Nc4 $16) 21... Kf7 (21... Bh6 22. Rxf5 Kh8 23. Rxg6 hxg6 24. Rxf6 Rxf6 25.
Ndxe4 $16) 22. Nb5 $16 Bh6 23. Bxe5 (23. R5g2 f4 24. exf4 Bxf4 $16) 23... dxe5
24. d6+ (24. Rxg6 $142 $5 hxg6 25. Nc4 $16) 24... Kg7 $11 25. Rxf5 a6 26. Nc7
$4 (26. Na7 Ra8 27. Rxe5 Qxd6 28. Nc4 $15) 26... Qxd6 $19 27. Ne6+ Kh8 28. Nxf8
Bxf5 29. Nc4 (29. Nxh7 Bxh7 (29... Qxd2 $6 30. Nxf6 Bg7 31. Qf7 Qc2+ 32. Ka1
Qc3+ 33. Kb1 Qc2+ 34. Ka1 Qc3+ 35. Kb1 Qc2+ $11) (29... Kxh7 $6 30. Qf7+ Kh8
31. Nc4 $19) 30. Qb2 Bg8 $19) 29... Qc7 (29... Qxf8 $6 30. Nxe5 Rc7 31. Bc4 $19
) 30. Nb6 (30. Qb2 Bxf8 31. Nxe5 $19) 30... Qxb6 (30... Bxf8 $6 31. Nxc8 Bxc8
32. Rc1 $17) 0-1

[Event "24th Open, Bled SLO"]
[Site "?"]
[Date "2003.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Mlacnik, Franc"]
[Result "1/2-1/2"]
[WhiteElo "2255"]
[BlackElo "2085"]
[PlyCount "88"]
[EventDate "2003.??.??"]

1. b4 Nf6 2. Bb2 e6 3. b5 d5 4. Nf3 a6 5. bxa6 Nxa6 6. e3 $146 Bd6 (6... Be7 7.
Ne5 (7. Nc3 c6 (7... O-O 8. Be2 (8. Ne5 Ne4 9. Nxe4 dxe4 10. d4 f6 11. Nc4 Qd5
12. a4 Nb4 13. a5 $15 {-0.28/8}) 8... Ne4 9. O-O Bf6 10. d4 Nxc3 11. Bxc3 c5
12. Qd2 Qc7 13. Rfb1 $11 {0.06/8}) (7... Bd7 8. Be2 (8. Bd3 O-O 9. O-O Nc5 10.
Be2 Bd6 11. d4 Na4 12. Nxa4 Bxa4 13. Bd3 $15 {-0.28/8}) (8. Ne5 O-O 9. Be2 Nc5
10. O-O c6 11. a4 Qa5 12. d4 Na6 13. Ba3 $11 {-0.06/8}) 8... O-O 9. O-O Nc5 10.
Ne5 c6 11. a4 Qa5 12. Ba3 Rfd8 13. Rb1 $11 {-0.03/8}) 8. Be2 (8. Ne5 O-O 9. Be2
Qc7 10. f4 Nd7 11. Nxd7 Qxd7 12. O-O b6 13. a4 $15 {-0.41/8}) (8. Rb1 O-O 9.
Be2 Bd6 10. O-O e5 11. d4 e4 12. Ne5 Re8 13. Qd2 $17 {-0.75/8}) 8... O-O 9. Ne5
Qd6 10. f4 Nc5 11. a4 d4 12. Nc4 Qd8 13. exd4 $15 {-0.28/8}) (7. Be2 O-O (7...
Bd7 8. Ne5 (8. Be5 O-O 9. O-O Nb4 10. Nc3 Ne4 11. Qb1 f6 12. Bg3 Nxg3 13. fxg3
$15 {-0.44/8}) (8. Nc3 O-O 9. O-O Bd6 10. Nb5 Bxb5 11. Bxb5 Nc5 12. Bd4 Qe7 13.
Qb1 $15 {-0.34/8}) (8. O-O O-O 9. d3 Bd6 10. Be5 Qe7 11. Nc3 b5 12. a4 bxa4 13.
Nxa4 $11 {-0.22/8}) (8. d3 O-O 9. O-O Nc5 10. Nbd2 Na4 11. Be5 Ng4 12. Nb1 Nxe5
13. Nxe5 $15 {-0.53/8}) 8... O-O 9. O-O c5 10. Nc3 Nc7 11. a4 Ra5 12. Qb1 Bd6
13. f4 $11 {-0.19/8}) (7... Bd6 8. Be5 (8. O-O O-O 9. Nc3 c6 10. Nb1 Nc5 11.
Be5 b6 12. d4 Nce4 13. Bd3 $15 {-0.34/8}) 8... O-O 9. O-O Bxe5 10. Nxe5 Nd7 11.
Nxd7 Bxd7 12. Nc3 c5 13. Rb1 $11 {-0.22/8}) (7... Nc5 8. Bd4 (8. O-O O-O 9. Nc3
Ncd7 10. Nd4 c5 11. Ndb5 Nb6 12. d4 c4 13. Rb1 $15 {-0.53/8}) (8. Ne5 O-O 9.
O-O Na4 10. Qc1 Nd7 11. Nxd7 Qxd7 12. Be5 f6 13. Bg3 $15 {-0.44/8}) (8. Be5
Ncd7 9. Bf4 O-O 10. O-O Nh5 11. Be5 Nxe5 12. Nxe5 Nf6 13. d4 $15 {-0.34/8}) (8.
Nc3 O-O 9. O-O Ncd7 10. Nd4 c5 11. Ndb5 Nb6 12. Qe1 Qd7 13. f3 $15 {-0.44/8})
8... Ncd7 9. O-O O-O 10. Bb2 b6 11. Nd4 Bb7 12. Bb5 Bd6 13. Nc6 $15 {-0.34/8})
8. O-O (8. Nc3 Nc5 9. O-O Ncd7 10. Nd4 c5 11. Ndb5 Nb6 12. Nb1 Bd7 13. Be5 $15
{-0.44/8}) (8. a3 Bd6 9. O-O Nc5 10. Nc3 c6 11. d4 Ncd7 12. a4 Qe7 13. Nb1 $15
{-0.47/8}) 8... Nc5 9. Nc3 Ncd7 10. Nd4 Nb6 11. Nf3 c6 12. Ne5 Qd6 13. f4 $15 {
-0.37/8}) 7... O-O 8. Be2 (8. Nc3 Ne4 9. Nxe4 dxe4 10. d4 Qd5 11. c3 f6 12. Nc4
Bd7 13. Ba3 $11 {-0.22/8}) 8... Nd7 9. O-O Nxe5 10. Bxe5 f6 11. Bg3 Nb4 12. Nc3
e5 13. d4 $11 {-0.19/8}) 7. c4 (7. Be2 O-O $15 (7... Nc5 8. Ba3 (8. O-O O-O 9.
Be5 b6 10. d4 Nce4 11. c4 Ba6 12. Nbd2 Nc3 13. Qe1 $17 {-0.78/8}) (8. Be5 O-O
9. O-O b6 10. d4 Nce4 11. c4 Ba6 12. Nbd2 Nc3 13. Qe1 $17 {-0.78/8}) 8... Nfe4
9. O-O Qf6 10. d4 Bd7 11. c4 Bf8 12. Ne5 Ba4 13. Qc1 $14 {0.53/8}) (7... Qe7 8.
Be5 (8. Nc3 c6 9. O-O O-O 10. Na4 Nd7 11. Nc3 e5 12. a4 Nf6 13. Rb1 $17 {
-0.72/8}) 8... O-O 9. O-O Bxe5 10. Nxe5 Nd7 11. Nxd7 Bxd7 12. Nc3 b6 13. d4 $11
{-0.19/8}) 8. Be5 (8. O-O Nb4 9. Nc3 e5 10. a3 Nc6 11. Nb5 Bg4 12. h3 Bh5 13.
d3 $15 {-0.34/8}) 8... Bxe5 9. Nxe5 Nb4 10. a3 Qd6 11. d4 Nc6 12. f4 Ne4 13.
Bd3 $11 {-0.25/8}) (7. Bb5+ c6 (7... Bd7 8. Bxf6 (8. Be2 O-O 9. O-O Nb4 10. Nc3
e5 11. a3 Nc6 12. Nb5 e4 13. Ne1 $15 {-0.41/8}) 8... Qxf6 9. Bxd7+ Kxd7 10. Nc3
Rhd8 11. O-O Ke8 12. Rb1 b6 13. e4 $11 {-0.25/8}) 8. Be2 O-O 9. O-O Nc5 10. Be5
b6 11. d4 Nce4 12. Bd3 c5 13. dxc5 $15 {-0.31/8}) (7. Be5 Bxe5 (7... O-O 8.
Bxa6 (8. Be2 Ne4 9. O-O Bxe5 10. Nxe5 f6 11. Nf3 e5 12. Bxa6 Rxa6 13. d3 $15 {
-0.59/8}) (8. Bxd6 Qxd6 9. d4 c5 10. Nc3 c4 11. Qd2 Nc7 12. Rb1 b5 13. Nxb5 $17
{-0.72/8}) (8. d4 c5 9. Be2 Nb4 10. Bxd6 Qxd6 11. c3 Nc6 12. Qb3 c4 13. Qb2 $15
{-0.37/8}) (8. Bb5 c5 9. O-O Nc7 10. Be2 b5 11. c3 Bxe5 12. Nxe5 Nd7 13. Nxd7
$15 {-0.44/8}) 8... Rxa6 9. O-O b5 10. d4 Ne4 11. Qd3 b4 12. Bxd6 Rxd6 13. Rc1
$11 {-0.12/8}) (7... Nc5 8. d4 (8. Be2 O-O 9. O-O b6 10. d4 Nce4 11. c4 Ba6 12.
Nbd2 Nc3 13. Qe1 $17 {-0.78/8}) 8... Nce4 9. Bd3 b6 10. O-O O-O 11. Bxd6 Qxd6
12. Qe2 c5 13. Ne5 $11 {-0.22/8}) 8. Nxe5 O-O 9. d4 Nd7 10. Nxd7 Bxd7 11. Nd2
Qe7 12. Be2 c5 13. c3 $15 {-0.34/8}) 7... O-O 8. Nc3 (8. Be5 Ne4 9. Bxd6 Nxd6
10. cxd5 exd5 11. Nc3 Ne4 12. Qb3 c6 13. Bxa6 $15 {-0.50/8}) (8. d4 b6 9. Nc3
Bb7 10. Be2 dxc4 11. Bxc4 Nb4 12. O-O Ne4 13. Nb5 $15 {-0.34/8}) 8... c6 (8...
b6 9. Nb5 Be7 10. Rc1 Bb7 11. Be5 dxc4 12. Bxc4 c6 13. Nc3 $17 {-0.72/8}) 9.
Be2 (9. d4 dxc4 10. Bxc4 b5 $15 11. Bb3 Qa5 12. O-O Rd8 13. Qb1 $11 {-0.03/8})
9... Nc5 (9... dxc4 $5 10. Bxc4 (10. a4 Qb6 11. Qc1 e5 12. Bxc4 e4 13. Ng5 $17
{-0.72/8}) 10... b5 $17 11. Be2 b4 12. Na4 c5 13. d4 $11 {-0.22/8}) 10. d4 $11
Nce4 (10... Ncd7 11. c5 Bc7 12. O-O $11 e5 13. dxe5 $11 {0.00/8}) 11. O-O (11.
c5 Bc7 $11 (11... Qa5 12. Qc2 Bc7 13. O-O $11 {0.25/8}) 12. O-O Nxc3 13. Bxc3
$11 {0.19/8}) 11... Nxc3 12. Bxc3 Ne4 (12... b6 13. Qc2 $11 {-0.22/8}) 13. Bb2
(13. Qc2 $11 {-0.22/8}) 13... f5 (13... b6 14. Qc2 $15) 14. Ne5 (14. c5 Bc7 $14
) 14... f4 (14... Bxe5 $142 $5 15. dxe5 dxc4 $15) 15. f3 Ng3 $2 (15... Nf6 16.
c5 Bxe5 17. dxe5 Nd7 $11) 16. Re1 $4 (16. hxg3 $142 fxg3 17. f4 Bxe5 18. fxe5 (
18. dxe5 $4 Qh4 19. Rf3 Qh2+ 20. Kf1 Qh1#) 18... Rxf1+ 19. Kxf1 Qf8+ 20. Bf3
$18) 16... Nxe2+ $11 17. Qxe2 Bxe5 18. dxe5 Qb6 19. cxd5 exd5 20. Qd2 Be6 21.
Kh1 (21. a4 fxe3 22. Rxe3 c5 $15) 21... fxe3 $17 22. Rxe3 c5 23. a4 (23. a3 d4
24. Re2 Rfd8 $17) 23... d4 24. Ree1 Bd5 (24... Qa5 25. Qg5 $17) 25. a5 $15 Qg6
26. Ba3 Rac8 27. Rac1 Rxf3 28. Bxc5 Rd3 29. Qf2 Rc3 30. Rxc3 dxc3 31. Ba3 c2
32. Bc1 (32. Qd2 Be4 $15) 32... Rf8 (32... Qd3 33. Qb6 $15) 33. Qd2 $15 Qe4 (
33... Qf7 34. Kg1 Rc8 35. Re2 $11) 34. h3 (34. Ba3 Rf4 $11) 34... Qc4 $15 35.
Kh2 Qc5 (35... Be6 $142 $15) 36. Qe3 (36. e6 $5 Qd6+ 37. Kg1 Qc5+ 38. Kh2 Qc7+
39. Kg1 Qc5+ 40. Kh2 $11) 36... Qxe3 (36... Qxa5 37. Re2 Rc8 38. e6 Qc7+ 39.
Kg1 $17) 37. Bxe3 Rc8 38. Kg3 Kf7 39. Bc1 (39. Rc1 Ke6 $17) 39... Ke6 $19 40.
Re3 (40. Re2 Rc4 $19) 40... Rc4 41. Ra3 (41. Kf2 Be4 $19) 41... Kxe5 42. a6 (
42. Kf2 g5 $1 $19) 42... bxa6 43. Rxa6 Rc6 (43... Rb4 44. Ra3 $19) 44. Rxc6
Bxc6 1/2-1/2

[Event "Schleswig Holstein-ch masters"]
[Site "?"]
[Date "1996.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Mueller, Friedrich"]
[Result "1/2-1/2"]
[WhiteElo "2325"]
[PlyCount "89"]
[EventDate "1996.??.??"]

1. b4 Nf6 2. Bb2 e6 3. a3 c5 4. bxc5 Bxc5 5. e3 O-O 6. c4 d5 $15 7. Nf3 b6 8.
cxd5 Nxd5 9. d4 Be7 (9... Bd6 10. e4 Nf4 11. Bc1 $11) 10. e4 Nf6 11. Nc3 Bb7
12. Bd3 Nbd7 (12... Nc6 13. Qc2 $11) 13. O-O Rc8 14. Rc1 Rc7 (14... a6 15. Qb3
$11) 15. Re1 {White prepares e5} (15. Qe2 Qa8 $14) 15... Qa8 {
The pressure on e4 grows} 16. e5 Ne8 17. Ne4 Rxc1 18. Qxc1 Qd8 (18... Bd5 19.
Neg5 g6 20. Be4 $14) 19. Neg5 $14 h6 (19... g6 $142 $5 $14) 20. Nh7 $18 Bxf3
21. gxf3 Nc7 22. Nxf8 Nxf8 23. f4 Nd5 (23... Qd7 24. f5 $18) 24. Kh1 (24. f5
Bg5 25. Qd1 Nf4 $18) 24... Ng6 $16 25. f5 Ngf4 (25... Qa8 26. f3 (26. fxg6 Ne3+
27. Qc6 Qxc6+ 28. d5 Qxd5+ 29. Be4 Qxe4+ 30. f3 Qxf3+ 31. Kg1 Qg2#) 26... Ngf4
27. Be4 $18) 26. Be4 Bh4 (26... Qf8 27. Qc6 $18) 27. fxe6 fxe6 28. Qc2 Nh3 29.
Rf1 Ndf4 30. Bg2 (30. Qd2 $5 Nd5 $18) 30... Nxg2 $16 31. Kxg2 Qd5+ 32. f3 Nf4+
33. Kh1 Qb5 {Do you see the mate threat?} 34. Rd1 Nh3 35. Rc1 (35. Rb1 Qd5 36.
Qc8+ Kf7 $16) 35... Qd5 (35... Nf2+ $5 36. Kg1 Nh3+ 37. Kg2 Nf4+ 38. Kh1 Be7
$16) 36. Qc8+ Kh7 {Threatening mate: Qxf3} 37. Qc6 Qb3 (37... Nf2+ 38. Kg1 $18)
38. Qe4+ Kg8 39. Qa8+ $4 (39. Rc8+ Kf7 40. Kg2 Ng5 $18) 39... Kf7 $4 (39... Kh7
40. Ba1 Nf2+ 41. Kg2 $11) 40. Qb7+ $4 (40. Rc7+ $142 Be7 41. Bc1 Nf2+ 42. Kg2
$18) 40... Be7 $11 {Attacks the isolani on a3} 41. Rc7 $4 (41. Ba1 $142 $11)
41... Qd1+ 42. Kg2 Nf4+ 43. Kg3 (43. Kf2 Qe2+ 44. Kg3 Qe1+ 45. Kxf4 g5+ 46. Kg4
Qh4#) 43... Nh5+ (43... Qe1+ 44. Kxf4 g5+ 45. Kg4 Qh4#) 44. Kf2 $11 Qd2+ 45.
Kf1 1/2-1/2

[Event "Verden/Aller GER, Men Ch"]
[Site "?"]
[Date "2014.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Mueller, Oliver"]
[Result "0-1"]
[WhiteElo "2275"]
[BlackElo "2255"]
[PlyCount "74"]
[EventDate "2014.??.??"]

1. b4 e5 2. a3 d5 3. Bb2 Bd6 4. c4 dxc4 5. e3 Nf6 6. Bxc4 O-O 7. Nc3 a5 (7...
Qe7 8. d3 a5 9. b5 Nbd7 10. Nf3 Nb6 11. Ba2 Be6 12. Bxe6 Qxe6 13. O-O a4 14.
Qc2 h6 15. h3 Nfd7 16. Nd2 Nc5 17. Rab1 Nb3 18. Rfd1 Rfc8 19. Bc1 Nxd2 20. Qxd2
f5 21. Bb2 Rf8 22. Ne2 {Fournier,F (2440)-Docx Stefan (2825)/Www.chess.com (
World League Super Cup) 2010/0-1 (34)}) (7... c6 8. Nge2 Re8 9. d4 exd4 10.
Nxd4 Bg4 11. Qb3 Qe7 12. h3 Bd7 13. O-O-O b5 14. Bd3 a5 15. Nf5 Bxf5 16. Bxf5
axb4 17. axb4 Bxb4 18. g4 Ba3 19. g5 Bxb2+ 20. Kxb2 Nfd7 21. Ne4 Qe5+ 22. Qc3 {
kastaldi (1810)-veleapanaite (1740)/kurnik 2014/1-0 (44)}) 8. b5 Nbd7 9. Qc2
Qe7 $146 (9... Nc5 10. Nge2 e4 11. Ng3 Qe7 12. f3 Bxg3+ 13. hxg3 Be6 14. Nxe4
Nfxe4 15. fxe4 Bxc4 16. Qxc4 Rad8 17. O-O Nxe4 18. Rad1 Rd6 19. Rf5 Nxg3 20.
Rc5 Rh6 21. Rxc7 Qd6 22. Qg4 Rg6 23. Rd7 Qc5 24. Qf3 {
Steffens,O (2305)-Gabriel,C (2555)/Pyramiden Franken Cup 1st 1998/0-1 (34)}) (
9... Nc5 10. Na4 Nxa4 11. Qxa4 $15) 10. Nf3 $11 Nb6 11. Bd3 h6 12. Be2 Re8 13.
h3 (13. O-O Be6 $11) 13... Bd7 14. g4 (14. O-O e4 15. Nd4 Qe5 $17) 14... e4 $17
15. g5 (15. Nd4 Rad8 $17) 15... hxg5 (15... Nh7 $5 16. Qxe4 Qxe4 17. Nxe4 Rxe4
18. gxh6 $19) 16. Nxg5 c6 17. Rg1 cxb5 (17... Rac8 $5 18. Qb3 Nbd5 $15) 18.
Ncxe4 $11 Nxe4 19. Bxg7 $4 (19. Nxe4 Qxe4 20. Bd3 $11) 19... Nxg5 (19... Bh2
20. Rg2 Nxg5 21. Bh6 $19) 20. Bh6 Bf4 21. Bxg5 Bxg5 22. h4 Rac8 23. Qd3 Rc5 24.
f4 (24. Qd4 f6 25. f4 Rec8 $19) 24... Bf5 (24... Qf6 25. Kf2 Qh8 26. h5 $19)
25. Qb3 $6 (25. Qd4 Rd8 26. Rxg5+ Qxg5 27. fxg5 Rxd4 28. exd4 $19) 25... Bc2
26. Qb2 Bg6 (26... Na4 $5 27. Qa2 Qe4 28. hxg5 $19) 27. hxg5 Nc4 28. Bxc4 bxc4
29. Qc3 Qe4 30. Kf2 Qd3 31. Rg3 (31. Qxd3 Bxd3 32. a4 $19) 31... Qxc3 32. dxc3
Rd5 (32... Rb5 $142 33. Rc1 $19) 33. Kf3 (33. Ra2 Rd3 34. Rc2 Kg7 $19) 33...
Be4+ 34. Kg4 (34. Ke2 Red8 35. Kf1 Rd2 $19) 34... Bf5+ 35. Kf3 Rd3 36. Ke2 Rxc3
37. Rh1 (37. a4 $19) 37... Rc2+ (37... Rc2+ 38. Ke1 Rc1+ 39. Kf2 Rxh1 $19) 0-1

[Event "Verden/Aller GER, Men Ch"]
[Site "?"]
[Date "2014.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Mueller, Reinhold"]
[Result "1-0"]
[WhiteElo "2275"]
[BlackElo "2285"]
[PlyCount "27"]
[EventDate "2014.??.??"]

1. b4 e5 2. a3 d5 3. Bb2 Bd6 4. c4 dxc4 5. e3 Nf6 6. Bxc4 O-O 7. Nc3 a5 (7...
Qe7 8. d3 a5 9. b5 Nbd7 10. Nf3 Nb6 11. Ba2 Be6 12. Bxe6 Qxe6 13. O-O a4 14.
Qc2 h6 15. h3 Nfd7 16. Nd2 Nc5 17. Rab1 Nb3 18. Rfd1 Rfc8 19. Bc1 Nxd2 20. Qxd2
f5 21. Bb2 Rf8 22. Ne2 {Fournier,F (2440)-Docx Stefan (2825)/Www.chess.com (
World League Super Cup) 2010/0-1 (34)}) (7... c6 8. Nge2 Re8 9. d4 exd4 10.
Nxd4 Bg4 11. Qb3 Qe7 12. h3 Bd7 13. O-O-O b5 14. Bd3 a5 15. Nf5 Bxf5 16. Bxf5
axb4 17. axb4 Bxb4 18. g4 Ba3 19. g5 Bxb2+ 20. Kxb2 Nfd7 21. Ne4 Qe5+ 22. Qc3 {
kastaldi (1810)-veleapanaite (1740)/kurnik 2014/1-0 (44)}) 8. b5 Nbd7 9. Qc2
Nc5 10. Nf3 $146 (10. Nge2 e4 11. Ng3 Qe7 12. f3 Bxg3+ 13. hxg3 Be6 14. Nxe4
Nfxe4 15. fxe4 Bxc4 16. Qxc4 Rad8 17. O-O Nxe4 18. Rad1 Rd6 19. Rf5 Nxg3 20.
Rc5 Rh6 21. Rxc7 Qd6 22. Qg4 Rg6 23. Rd7 Qc5 24. Qf3 Qxb5 {
Steffens,O (2305)-Gabriel,C (2555)/Pyramiden Franken Cup 1st 1998/0-1 (34)})
10... e4 11. Ng5 (11. Nd4 $142 $15) 11... Qe7 $4 (11... Bf5 $142 12. Na4 Nxa4
13. Qxa4 Ng4 $17) 12. f3 $14 exf3 $4 (12... Be6 $142 13. Bxe6 Nd3+ 14. Ke2 fxe6
15. Ngxe4 Nxb2 16. Qxb2 Rad8 $14) 13. Nd5 $18 f2+ (13... Nfe4 14. Nxe7+ Bxe7
15. Nxe4 f2+ 16. Nxf2 $18) 14. Kf1 (14. Kf1 g6 15. Nxf6+ Kg7 16. Nd5+ Qe5 17.
Bxe5+ Bxe5 18. d4 $18) 1-0

[Event "Odense DEN, Open"]
[Site "?"]
[Date "2013.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Nordenbaek, Jan"]
[Result "1-0"]
[PlyCount "129"]
[EventDate "2013.??.??"]

1. b4 c6 2. e3 Nf6 3. Bb2 Qb6 4. a3 a5 5. b5 d5 6. c4 Bf5 7. Nc3 e6 8. Nf3 Be7
9. Nd4 Bg6 10. Na4 Qc7 11. bxc6 bxc6 12. cxd5 exd5 13. Rc1 Qb7 14. Qb3 Qxb3 15.
Nxb3 O-O (15... Ra7 16. Bd4 Rc7 17. Be5 $16) 16. Nbc5 (16. Nd4 Nfd7 17. Nxc6
Nxc6 18. Rxc6 Rfb8 $16) 16... Ne4 17. Be2 Ra7 18. Bd4 Nxc5 19. Bxc5 Bxc5 20.
Rxc5 Rc8 21. d4 Nd7 22. Rc3 f5 23. Kd2 Nf6 24. f3 Be8 (24... Re7 $5 $16) 25.
Rb1 Kf8 26. Bd3 g6 27. Nc5 Ke7 28. h4 Rcc7 29. Kc2 Bd7 30. Rb6 Bc8 31. Rb1 Ne8
(31... Bd7 32. g3 Bc8 $16) 32. Rh1 Kd6 33. h5 g5 34. e4 fxe4 35. fxe4 Rf7 36.
e5+ Ke7 37. Rf1 Rxf1 38. Bxf1 Bf5+ (38... Ng7 $5 $16) 39. Kd2 $18 Ng7 40. h6
Nh5 41. Na6 (41. g3 g4 $18) 41... Kd7 $2 (41... Rb7 $142 $14) 42. Nb8+ $18 Ke8
43. Rb3 (43. Nxc6 $142 $5 Ra8 44. a4 $18) 43... Rc7 44. Na6 Rf7 45. Rb8+ Ke7
46. Rb7+ Kf8 47. Rxf7+ Kxf7 48. Nb8 g4 49. Nxc6 a4 50. Ke3 Be4 51. Be2 Bf5 (
51... Kg6 52. Bxg4 Kxh6 53. Kf2 $18) 52. Bd1 Kg6 (52... Ke6 53. Na7 $18) 53.
Ne7+ Kg5 54. Nxf5 Kxf5 55. Bxa4 Nf4 56. g3 Nh5 57. Bc2+ Kg5 58. a4 (58. Bxh7
$143 Kxh6 59. Bd3 Nxg3 $18) 58... Nxg3 (58... Kxh6 59. a5 Ng7 $18) 59. a5 Nf1+
60. Ke2 Nh2 (60... Nd2 61. Kxd2 g3 62. Be4 (62. Bxh7 $4 g2 $19) 62... dxe4 63.
Ke2 $18) 61. Kf2 (61. a6 $142 Nf3 62. a7 Nxd4+ 63. Kd1 Kxh6 $18) 61... Nf3 62.
a6 Kf4 (62... Nxd4 63. a7 Nxc2 64. a8=Q $18) 63. Bd1 g3+ 64. Kg2 Nh4+ (64...
Nxd4 65. a7 Nf5 66. a8=Q Nh4+ 67. Kh1 $18) 65. Kg1 1-0

[Event "Bremen Silvester Open"]
[Site "?"]
[Date "2018.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Pahl, Erik"]
[Result "1-0"]
[WhiteElo "2185"]
[BlackElo "1980"]
[PlyCount "75"]
[EventDate "2018.??.??"]

1. b4 e5 2. a3 d5 3. Bb2 f6 4. e3 Be6 5. c4 c6 6. Nf3 Bd6 (6... dxc4 7. Qc2 b5
8. a4 a6 9. axb5 cxb5 10. Bc3 Nc6 11. Qb2 Bd6 12. Be2 Nge7 13. d3 cxd3 14. Bxd3
Qb6 15. Nbd2 Bd5 16. e4 Be6 17. O-O O-O 18. Rfd1 Ng6 19. g3 Bh3 20. Nf1 f5 21.
Ne3 {Chess4Win-Ph_M_73/lichess.org 2019/0-1 (47)}) 7. Qb3 (7. cxd5 cxd5 8. Be2
Nc6 9. d4 e4 10. Nfd2 Nge7 11. Nc3 a6 12. Qb3 Rc8 13. Ncxe4 Bf7 14. Nc5 Bxc5
15. bxc5 Rb8 16. O-O O-O 17. Bc3 Ng6 18. Rab1 Qe7 19. Qa4 Rfe8 20. Bxa6 Nxd4
21. Qxd4 bxa6 {
BeepBeepImAJeep (2570)-kaba_kaba (2330)/lichess.org 2017/1-0 (49)}) 7... Ne7 8.
Nc3 Nd7 9. d4 $146 (9. cxd5 Nxd5 10. Ne4 Be7 11. d4 exd4 12. Nxd4 Bf7 13. Nf5
O-O 14. Ned6 N7b6 15. Nxf7 Rxf7 16. Be2 Qe8 17. Bh5 g6 18. Nh6+ Kf8 19. Bf3 Rg7
20. O-O Bd8 21. a4 Nc7 {Roggensack_Hanspach,P-Feilmayr,E/corr SOK-92-79 1992})
9... e4 10. cxd5 Bxd5 (10... cxd5 $143 11. Nxe4 Bc7 12. Nc5 Nxc5 13. dxc5 $18)
11. Nxd5 cxd5 12. Nd2 f5 13. g3 O-O 14. b5 Nf6 15. a4 Kh8 16. h4 Qd7 17. Be2
Rfc8 18. a5 b6 19. Nb1 (19. axb6 axb6 20. Ra6 Qc7 $11) 19... Qc7 20. axb6 axb6
21. Rxa8 Rxa8 22. Kd2 g6 23. Nc3 Kg7 24. Rc1 Qa7 (24... Qb8 25. Rc2 $11) 25.
Bd1 (25. Ra1 Qb7 $14) 25... h6 26. Na4 Kf7 27. Ke2 Ke6 28. Ra1 Qb7 29. Rc1 Ne8
30. Kf1 Nc7 31. Nc3 Ra5 {Exerts pressure on the isolated pawn} 32. h5 g5 33. g4
Kf6 34. gxf5 Nxf5 $2 (34... Kg7 35. Na4 $14) 35. Bg4 Be7 $4 (35... Ne7 $142 $14
) 36. Nxe4+ $1 $18 dxe4 (36... Kg7 37. Bxf5 Nxb5 $18) 37. d5+ Kf7 38. Rxc7 (38.
Rxc7 Rxb5 39. Qc3 Qxd5 40. Qf6+ Ke8 41. Rc8+ Bd8 42. Bxf5 Qd3+ 43. Kg1 Qb1+ 44.
Kh2 Qg1+ 45. Kxg1 Rd5 46. Qg6+ Kf8 47. Qg7+ Ke8 48. Bg6#) 1-0

[Event "BL2-Nord"]
[Site "?"]
[Date "2000.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Pajeken, Wolfgang"]
[Result "1-0"]
[WhiteElo "2275"]
[BlackElo "2315"]
[PlyCount "91"]
[EventDate "2000.??.??"]

1. b4 d5 2. e3 Nf6 3. c4 c6 4. Bb2 Bg4 5. Qb3 e6 6. h3 Bh5 7. Nc3 Nbd7 8. d4 a6
9. c5 Be7 (9... b6 10. Bd3 $11) 10. Nge2 g5 11. a4 Bg6 12. Ng3 h5 13. Be2 Qc7
14. b5 axb5 15. axb5 Rxa1+ 16. Bxa1 h4 17. Nf1 e5 (17... b6 18. bxc6 Qxc6 19.
Bb5 $11) 18. Nd2 $14 e4 19. Qa4 Bh5 20. Qa8+ Nb8 21. b6 Qc8 22. Nb3 Bxe2 23.
Nxe2 g4 (23... Kd7 24. Na5 Na6 25. Qa7 $16) 24. Na5 Kd7 25. Qxb7+ Qxb7 26. Nxb7
Rg8 27. Nf4 Ne8 28. hxg4 Rxg4 29. O-O Bg5 30. Nh3 f5 31. Bc3 Kc8 32. Na5 Ng7
33. Nb3 Ne6 34. Bd2 f4 35. exf4 Bxf4 36. Bxf4 Nxf4 37. Nxf4 Rxf4 38. Ra1 h3 39.
Ra7 (39. gxh3 $143 Rf3 40. Nd2 Rxh3 $18) 39... Rg4 40. g3 e3 41. fxe3 Rxg3+ 42.
Kh2 Rxe3 43. Na5 Re4 (43... Kd8 44. Rc7 Na6 45. Nxc6+ Ke8 46. Ra7 $18) 44. Rc7+
Kd8 45. Nb7+ Ke8 46. Nd6+ (46. Nd6+ Kd8 47. Rc8+ Kd7 48. Rxb8 Rxd4 49. b7 Rd2+
50. Kxh3 $18) 1-0

[Event "Penarth WLS"]
[Site "?"]
[Date "2013.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Petkov, Vladimir"]
[Result "0-1"]
[WhiteElo "2200"]
[BlackElo "2540"]
[PlyCount "60"]
[EventDate "2013.??.??"]

1. b4 e5 2. a3 d5 3. Bb2 Bd6 4. c4 dxc4 5. e3 Be6 6. Qc2 b5 7. d3 cxd3 8. Bxd3
a6 9. f4 Nd7 (9... exf4 $2 10. Bxg7 Qh4+ 11. Qf2 Qxf2+ 12. Kxf2 $18) 10. Nf3 c5
(10... exf4 $2 11. Bxg7 fxe3 12. Bxh8 $18) 11. fxe5 Be7 12. O-O Rc8 13. Nc3 Nh6
14. bxc5 Ng4 {Attacks the isolani on e5} (14... Rxc5 $143 15. Qe2 $11) 15. Nd4
Nxc5 (15... Bxc5 $2 16. Nxe6 Nxe3 17. Qf2 Nxf1 18. Nxg7+ (18. Nxd8 Bxf2+ 19.
Kxf2 Nxh2 $11 (19... Kxd8 $143 20. Kxf1 Nxe5 21. Bf5 $16) (19... Nxe5 $6 20.
Re1 f6 21. Nb7 Nxh2 22. Kg3 $11)) 18... Kf8 19. Ne6+ Ke8 20. Nxc5 (20. Nxd8 $6
Bxf2+ 21. Kxf2 Nxh2 $16) 20... Nxc5 21. Rxf1 $18) 16. Nxe6 Nxe6 (16... fxe6 17.
Bg6+ Kd7 18. Rfd1+ Kc7 19. Rxd8 Rcxd8 20. Bxh7 Nxe3 21. Qc1 Nxg2 22. Be4 $18)
17. Rxf7 $2 (17. Qe2 $5 Nxe3 $1 18. Rf2 $17) 17... Nxe5 (17... Bc5 18. Rff1 Qh4
(18... Bxe3+ 19. Kh1 Qh4 20. g3 $11) (18... Nxe3 $6 19. Bg6+ hxg6 20. Qxg6+ Kd7
21. Rf7+ Be7 22. Rf3 $17) 19. Bg6+ hxg6 20. Qxg6+ Kd8 21. Rad1+ Kc7 22. Nd5+
Kb8 $19) 18. Bf5 $2 (18. Rxe7+ $142 Qxe7 19. Rf1 $19) 18... Kxf7 (18... Nxf7 $6
19. Bxe6 Rc6 20. Qf5 $17) 19. Qe4 Bf6 20. Rd1 Qc7 21. Bxe6+ (21. Nd5 Qd6 22.
Qb1 Qc5 23. Bxh7 Rhd8 $19) 21... Kxe6 22. Nd5 Qc2 (22... Qc4 $142 $5 23. Nf4+
Kf7 24. Qf5 $19) 23. Nf4+ Ke7 24. Qb7+ Rc7 25. Nd5+ Kd6 26. Qb6+ (26. Bxe5+
Bxe5 (26... Kxe5 $6 27. Qxc7+ Qxc7 28. Nxc7 $15) 27. Qb6+ Rc6 28. Qxc6+ Qxc6
29. Nb4+ Kc7 30. Nxc6 Kxc6 $19) 26... Rc6 27. Bxe5+ Bxe5 (27... Kxe5 28. Qd4+
Ke6 29. Qg4+ Kf7 30. Qd7+ Kf8 31. Rf1 $11) 28. Qxc6+ Qxc6 29. Nb4+ Kc7 30. Nxc6
Kxc6 0-1

[Event "31st ECC Open"]
[Site "?"]
[Date "2015.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Pettersson, Anders"]
[Result "1-0"]
[WhiteElo "2290"]
[BlackElo "2315"]
[PlyCount "93"]
[EventDate "2015.??.??"]

1. b4 e5 2. a3 d5 3. Bb2 Bd6 4. c4 c6 5. Nf3 Nd7 (5... Qe7 6. cxd5 cxd5 7. Nc3
Nf6 8. Nb5 Nbd7 9. Nxd6+ Qxd6 10. e3 O-O 11. Be2 Re8 12. O-O Nb6 13. Qc2 Bg4
14. Bb5 Bxf3 15. gxf3 Re7 16. Kh1 d4 17. Qf5 a6 18. Be2 dxe3 19. Rad1 exf2 20.
Rxf2 {Keller,D (2420)-Zueger,B (2435)/SUI-ch int Switzerland Biel 1989/0-1 (44)
}) 6. e3 Ngf6 $146 (6... Qe7 7. cxd5 cxd5 8. Nc3 Ngf6 9. Nb5 Bb8 10. Qc2 O-O
11. Rc1 a6 12. Nc7 Bxc7 13. Qxc7 Ne8 14. Qc2 f6 15. Nh4 Nb6 16. f4 Bd7 17. Nf5
Bxf5 18. Qxf5 Nd6 19. Qh5 Nbc4 20. Ba1 Rac8 21. fxe5 {
Steffens,O (2275)-Krause,U (2275)/Verden/Aller GER, Men Ch 2014/0-1} fxe5 22.
Bd3 g6 23. Bxg6 hxg6 24. Qxg6+ Qg7 25. Qe6+ Qf7 26. Qg4+ Qg7 27. Qe6+ Kh7 28.
Qxd5 Nxe3 29. Qd3+ e4 30. Rxc8 Qxa1+ {
0-1 Steffens,O (2275)-Krause,U (2275)/85th German Championship 2014}) 7. Nc3
O-O 8. Qc2 a5 9. b5 Re8 10. bxc6 bxc6 11. cxd5 cxd5 12. Nb5 Bb8 13. Rc1 Qb6 14.
Qxc8 Rxc8 15. Rxc8+ Nf8 16. a4 (16. Bxe5 $142 Qb7 17. Rxb8 Rxb8 18. Bxb8 Qxb8
19. Be2 $11) 16... Qb7 17. Rc1 Ng6 18. Be2 e4 19. Nfd4 Be5 20. O-O Qd7 21. Rc2
h6 22. Rfc1 Nh4 23. h3 Ng6 24. Rc6 Ne7 25. R6c2 Kh7 26. Ba3 Nfg8 (26... Ng6 27.
Nc6 $15) 27. Rc5 (27. d3 Bxd4 28. Rc7 Qd8 29. exd4 Rc8 $11) 27... Ra6 28. Kf1
Rf6 29. Bg4 Qb7 (29... Qd8 $5 $15) 30. Rc7 $11 Bxc7 31. Rxc7 Qb8 32. Bxe7 Nxe7
33. Rxe7 Qh2 34. f4 exf3 $2 (34... Qh1+ $142 35. Kf2 Qc1 $11) 35. Bxf3 $18 (35.
Nxf3 $6 Qh1+ 36. Kf2 Qd1 $11) 35... g5 36. Ke2 h5 37. Nc3 g4 38. hxg4 (38. Bxd5
gxh3 39. Ne4 hxg2 40. Nxf6+ Kg6 $17) 38... hxg4 39. Bxd5 Qg1 (39... Rf2+ 40.
Kd3 Qd6 41. Rxf7+ Rxf7 42. Bxf7 Kg7 $18) 40. Rd7 $4 (40. Kd3 Qf1+ 41. Kc2 Kh6
$18) 40... Kg7 (40... Qf1#) 41. Kd3 (41. Ne6+ Rxe6 42. Bxe6 Qxg2+ 43. Kd3 Qf1+
44. Kc2 Qa6 45. Rxf7+ Kh6 $18) 41... Rf2 (41... Qf1+ 42. Kc2 Qa6 43. e4 $18)
42. Rb7 Qf1+ 43. Nce2 (43. Nde2 $142 $5 Rxg2 44. Bxg2 Qxg2 $18) 43... Rf6 44.
Rb5 Rd6 45. Kc4 (45. Rxa5 Qb1+ 46. Kc3 Qa1+ 47. Kb4 Rd8 $18) 45... Qf2 $2 (
45... Rd8 46. Rb7 Kh8 47. Rxf7 (47. Bxf7 $6 Rxd4+ 48. Kxd4 Qxe2 $11) 47... Rc8+
48. Kb5 Qb1+ 49. Ka6 $18 (49. Kxa5 $6 Rc5+ 50. Nb5 Rxd5 $16)) 46. Nc3 (46. Rxa5
$142 $5 Rd7 47. Bc6 Rc7 $18) 46... Rd7 47. Bc6 (47. Bc6 Ra7 48. Kd3 $18) 1-0

[Event "Odense DEN, Open"]
[Site "?"]
[Date "2013.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Rendboe, John"]
[Result "1-0"]
[PlyCount "69"]
[EventDate "2013.??.??"]

1. b4 e5 2. a3 d5 3. Bb2 Bd6 4. c4 c6 5. Nf3 Qe7 6. cxd5 cxd5 7. Nc3 Nf6 8. Nb5
Nbd7 9. Nxd6+ Qxd6 10. e3 O-O 11. Be2 a6 12. O-O Re8 13. Nh4 Nb6 14. f4 e4 15.
g4 Rd8 16. Kh1 Bd7 17. Be5 Qc6 18. Rg1 Nc4 19. Bd4 Ne8 20. Nf5 Bxf5 21. gxf5 f6
22. Bh5 Rd7 23. Bxe8 Rxe8 24. Qh5 Rc8 25. Rac1 b6 26. Rg3 Rf7 27. Qh6 (27. Rh3
$5 h6 28. Qg6 $11) 27... Rcc7 28. Qh5 Qd6 (28... Qb5 29. Rcg1 Nxd2 30. Rh3 $11)
29. Rh3 (29. Rcg1 Rce7 $14) 29... Nxd2 (29... h6 30. Rg1 Kf8 31. Qg6 $15) 30.
Qxh7+ Kf8 31. Rd1 Nf3 32. Qh8+ Ke7 33. Rh7 $4 (33. Qb8 Nxd4 34. Rh8 $16) 33...
Rc2 $4 (33... Nxd4 $142 34. exd4 Qxf4 $19) 34. Qa8 $14 Nxd4 35. Rh8 (35. Rh8
Qd7 36. Rxd4 Rc1+ 37. Kg2 Rc2+ 38. Kg3 $18) 1-0

[Event "Oberliga Nord W"]
[Site "?"]
[Date "2008.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Renner, Kai"]
[Result "1-0"]
[WhiteElo "2250"]
[BlackElo "2160"]
[PlyCount "53"]
[EventDate "2008.??.??"]

1. b4 d5 2. a3 e5 3. Bb2 Bd6 4. c4 c6 5. Nf3 Qe7 6. cxd5 cxd5 7. Nc3 Nf6 8. Nb5
Nbd7 9. Nxd6+ Qxd6 10. g3 O-O 11. Bg2 Re8 12. O-O Nb6 13. d3 Bd7 $146 (13...
Bf5 14. Nh4 Bg4 15. f3 Be6 16. f4 Ng4 17. fxe5 Nxe5 18. Nf5 Bxf5 19. Rxf5 h6
20. Qd2 Nbd7 21. Raf1 Nf6 22. Qf4 Nfg4 23. d4 Qb6 24. Bxd5 g5 25. Qd2 Rad8 26.
Bxf7+ Nxf7 27. Rxf7 Qe6 28. d5 {Steffens,O (2250) -Korpa,B (2155)/26th
Budapest Spring Festival Budapest 2010/1-0 (32)}) 14. Rc1 Bc6 15. Nh4 Qe6 16.
Qd2 Nfd7 17. f4 exf4 18. Qxf4 f6 19. Nf5 Qxe2 20. Rf2 Qxd3 21. b5 Qxb5 (21...
Bxb5 22. Nd6 {Double attack} (22. Nd6 {Decoy})) (21... Qxb5 22. Nd6 {
Double attack} (22. Nd6 {Decoy})) 22. Nxg7 (22. Bxf6 Nxf6 23. Qg5 $11) 22...
Qa4 $4 (22... Re2 $142 23. Qg4 Qxb2 (23... Rxb2 $4 24. Nf5+ Kf8 25. Qg7+ Ke8
26. Qe7#) 24. Nf5+ Kf8 $14) 23. Qh6 {
Increasing the pressure on the isolated pawn on f6} Re7 24. Nh5 (24. Nf5 Rf7
25. Rf4 Qxf4 26. Qxf4 Kh8 $18) 24... Rf8 $2 (24... d4 25. Nxf6+ Kh8 $18) 25.
Nxf6+ Nxf6 26. Rxf6 Rxf6 27. Qxf6 (27. Qxf6 Qb5 28. Rf1 Qxf1+ 29. Bxf1 $18) (
27. Bxf6 $6 Rf7 28. Qg5+ Kf8 $18) 1-0

[Event "BL2-Nord"]
[Site "?"]
[Date "2001.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Roehl, Rainer"]
[Result "1-0"]
[WhiteElo "2275"]
[BlackElo "2200"]
[PlyCount "77"]
[EventDate "2001.??.??"]

1. b4 e5 $15 2. a3 Nf6 3. c4 d6 4. Bb2 g6 5. e3 (5. Nf3 Be6 $11) 5... Bg7 (5...
Bg4 6. Be2 Bxe2 7. Nxe2 $11) 6. Nf3 (6. d4 exd4 7. Bxd4 Nc6 $11) 6... O-O (6...
e4 7. Nd4 $15) 7. Nc3 (7. d4 exd4 8. Bxd4 Nc6 $15) 7... Re8 (7... e4 8. Nd4 $15
) 8. Be2 Nc6 (8... e4 9. Nd4 $11) 9. b5 Ne7 10. d4 (10. O-O e4 11. Nd4 Nf5 $11)
10... exd4 11. Nxd4 Nf5 (11... c5 12. Nf3 $11) 12. O-O Nxd4 13. exd4 d5 14.
cxd5 (14. Rc1 dxc4 15. Bxc4 Bf5 $11) 14... Nxd5 15. Nxd5 Qxd5 16. Rc1 Qd6 (
16... c6 17. bxc6 bxc6 18. Bf3 $16) 17. Bf3 (17. Re1 Bf5 $11) 17... Rb8 (17...
a6 18. Qa4 $11) 18. Qd2 (18. Qc2 Re7 $14) 18... Bd7 $14 19. Qa5 Qb6 (19... c6
20. Qxa7 cxb5 21. Qc5 $14 (21. Bxb7 Re2 22. Bc3 Qc7 $19)) 20. Qxb6 $16 cxb6 (
20... axb6 $2 21. Rxc7 Bxb5 22. Bd5 $18) 21. a4 Rec8 (21... a6 22. Rc7 Rbd8 23.
Rd1 $14 (23. Bxb7 $143 axb5 24. axb5 Re2 $11)) 22. Rfe1 (22. Rxc8+ Rxc8 23.
Bxb7 Rc4 $11) 22... Rxc1 (22... Be6 23. Rxc8+ Rxc8 24. Bxb7 $14) 23. Rxc1 a6 (
23... Rc8 24. Rxc8+ Bxc8 25. Kf1 $16) 24. Rc7 Be8 (24... Re8 25. Bc3 Bxd4 26.
Rxb7 (26. Bxb7 $4 Bxc3 27. f4 Bd4+ (27... axb5 $6 28. Rxd7 bxa4 29. Bd5 $19)
28. Kf1 Bf5 $19) 26... Bxc3 27. g4 $19) 25. Be2 $18 (25. Rxb7 $6 Rxb7 26. Bxb7
axb5 27. axb5 Bxb5 $11) 25... axb5 (25... h6 26. Kf1 $16) 26. axb5 Bf8 (26...
Rd8 27. Rxb7 h5 28. Rxb6 $18) 27. d5 Bd6 28. Rc1 (28. Rc2 Ra8 $18) 28... Bc5 (
28... Ra8 29. Ra1 Rxa1+ 30. Bxa1 $16) 29. Ra1 (29. Rd1 Rd8 $18) 29... Rd8 30.
Bc4 Rc8 (30... Kf8 $142 $18) 31. Be2 $4 (31. Ra7 Bxf2+ 32. Kxf2 Rxc4 $18) 31...
Rd8 32. Bc4 (32. Rd1 Bd7 $18) 32... Rc8 33. Ra4 (33. Ra7 Bxf2+ 34. Kxf2 Rxc4
$18) 33... Kf8 34. g3 (34. Ra7 Ke7 $18) 34... Bd7 $16 35. Kg2 (35. Bf6 Bd6 $16)
35... Bf5 (35... Ke7 36. Kf3 $16) 36. Be2 (36. Kf3 Ke7 $16) 36... Rd8 (36...
Ke7 37. g4 Bc2 38. Rc4 $11) 37. Bf3 (37. g4 $5 Bb1 38. Bf6 $16) 37... Bd3 $14
38. Ra7 Rd7 $2 (38... Bxb5 $142 39. Rxb7 Bc4 $14) 39. Bf6 $18 {
Threatening mate... how?} (39. Bf6 Re7 40. Bxe7+ Kxe7 41. Rxb7+ Ke8 42. g4 $18)
1-0

[Event "Oberliga Nord N"]
[Site "?"]
[Date "1997.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Rostalski, Walter"]
[Result "1-0"]
[WhiteElo "2325"]
[BlackElo "2250"]
[PlyCount "83"]
[EventDate "1997.??.??"]

1. b4 c6 2. e3 d5 3. c4 Nf6 4. Bb2 e6 5. a3 Be7 6. Nf3 a5 (6... dxc4 7. Bxc4 b5
8. Bb3 $11) 7. b5 O-O 8. Nc3 Ne4 (8... Nbd7 9. d4 $11) 9. Qc2 f5 (9... Nxc3 10.
Qxc3 f6 11. d4 $11) 10. Be2 (10. bxc6 bxc6 11. Rb1 Nd7 $14) 10... Bf6 (10...
dxc4 11. Bxc4 Nd6 12. Bb3 $11) 11. O-O $14 Bd7 (11... dxc4 12. Bxc4 Nd6 13. Be2
$14) 12. cxd5 (12. d4 cxb5 13. cxb5 Be8 $14) 12... exd5 13. bxc6 bxc6 (13...
Bxc6 14. d4 $14) 14. d4 g5 (14... Bc8 15. Rab1 $14) 15. Ne5 (15. Rfb1 Qe8 $16)
15... Nd6 (15... Bxe5 16. dxe5 Qe7 17. Na4 $16) 16. Na4 Be8 (16... Be6 17. Rfc1
$16 (17. Nxc6 $6 Qc8 $14)) 17. Bd3 (17. Rab1 f4 $18) 17... Qe7 $16 18. Rab1 Qe6
(18... Ra7 19. Rfc1 $18) 19. Rfc1 Bd8 (19... Qe7 20. Qc5 $18) 20. Bc3 (20. Nc5
Qf6 $18) 20... Bc7 21. Nc5 Qh6 22. Nb7 (22. Qb3 Bh5 $18) 22... Nb5 23. Bb2 Nd6
(23... Ra7 $5 24. Nc5 Nd7 $18) 24. Nxd6 Bxd6 25. Bxf5 Ra7 26. e4 (26. Bd3 Raf7
27. f3 Nd7 $18) 26... Qg7 (26... Bg6 27. Ng4 (27. Nxg6 Qxh2+ 28. Kf1 hxg6 29.
Bxg6 Qh1+ 30. Ke2 Qxg2 $11) 27... Qg7 28. Bxg6 Qxg6 29. exd5 Qxc2 30. Rxc2 cxd5
31. Bc1 $18) 27. Be6+ (27. exd5 $5 Rc7 $18) 27... Kh8 28. exd5 (28. Bg4 $142
$18) 28... cxd5 $2 (28... Bxe5 $142 29. dxe5 Bg6 $18) 29. Bxd5 Nd7 30. Nxd7 (
30. Qe2 Nf6 31. Bc6 Re7 $18) 30... Rxd7 (30... Bxd7 31. Be6 $1 $18) 31. Be4 (
31. Be6 Re7 32. Qe2 Be5 33. Qxe5 Qxe5 $18) 31... Qh6 32. d5+ Kg8 33. g3 Re7 34.
Bf5 (34. Re1 Rc7 35. Qd3 Rxf2 36. Bxh7+ Rxh7 37. Rxe8+ Kf7 38. Kxf2 Qxh2+ 39.
Ke3 Qxg3+ 40. Kd2 Qxd3+ 41. Kxd3 Kxe8 $11) 34... Bf7 (34... g4 35. Re1 Bg6 36.
Rxe7 Bxf5 37. Qc6 $18) 35. Rd1 Bh5 (35... Rc7 36. Qd3 Re7 37. Bc3 $18) 36. Re1
(36. Be6+ $142 Rxe6 37. dxe6 $18) 36... Rf6 $2 (36... Rc7 37. Qd3 Rb8 38. Qd4
Rxb2 39. Be6+ Bf7 40. Rxb2 $18) 37. Re6 (37. Rxe7 $142 Bxe7 38. Bxf6 Qxf6 39.
Bxh7+ Kg7 $18) 37... Rfxe6 38. dxe6 Rxe6 39. Qc4 (39. Bxe6+ Qxe6 40. Qc3 Qh6
$18) 39... Bf7 40. Bxe6 Bxe6 41. Qd4 (41. Qa6 Bc5 $18) 41... Bf5 (41... Be7 $18
) 42. Re1 (42. Re1 Bd7 43. Qd5+ Kf8 44. Qa8+ Kf7 45. Qb7 $18) 1-0

[Event "BL2-Nord"]
[Site "?"]
[Date "2001.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Schlaeger, Uwe"]
[Result "1-0"]
[WhiteElo "2275"]
[BlackElo "2200"]
[PlyCount "67"]
[EventDate "2001.??.??"]

1. b4 c6 2. e3 Qb6 3. a3 Nf6 4. c4 (4. Bb2 d5 $11) 4... g6 (4... c5 5. bxc5
Qxc5 6. d4 $14) 5. Bb2 (5. d4 Bg7 $11) 5... Bg7 6. Nc3 (6. Bd4 Qc7 $14) 6...
O-O 7. c5 Qc7 8. d4 d5 9. cxd6 Qxd6 (9... exd6 10. Nf3 $11) 10. Nf3 (10. Qf3
Bg4 11. Qg3 a5 $11) 10... Bg4 11. Be2 Nbd7 (11... Rd8 12. O-O $11) 12. O-O Rfd8
13. Qb3 (13. Qc2 a5 $11) 13... Bxf3 (13... e5 14. Rfd1 e4 15. Ng5 $16) 14. Bxf3
$14 e5 15. Rfd1 exd4 (15... Qe6 16. d5 cxd5 17. Nxd5 $14) 16. Rxd4 $16 Qc7 17.
Be2 Ne5 18. h3 (18. Rad1 Rxd4 19. Rxd4 Rd8 $14) 18... Rxd4 $11 19. exd4 Ned7
20. Bf3 (20. Bc4 Nb6 $11) 20... Nb6 (20... Qd6 21. b5 $11) 21. b5 (21. d5 Nbxd5
22. Nxd5 Nxd5 23. Bxg7 Kxg7 24. Bxd5 cxd5 25. Qxd5 Rd8 $11) 21... Rd8 $11 22.
bxc6 bxc6 23. Rc1 Bh6 $2 (23... Qd6 24. Qc2 $11) 24. Rc2 (24. Nb5 Qf4 25. Nxa7
Nbd5 26. Nxc6 Rd7 $18) 24... Qe7 (24... Qd6 $5 $14) 25. Ne2 $16 Rc8 (25... Nfd5
26. Rxc6 Bg7 $16) 26. Bc1 (26. Bxc6 $142 $5 Nfd5 27. Qf3 $16) 26... Bxc1 $14
27. Rxc1 Nbd5 28. Qa4 (28. Nc3 Re8 $14) 28... Qb7 (28... Qd7 29. Rc5 $14) 29.
g3 (29. Qc2 Qd7 $14) 29... Kg7 (29... Qd7 30. Nc3 $14) 30. Kg2 Qb6 (30... Qd7
31. Rc5 $14) 31. Rc5 Rc7 32. Qc2 Qb7 33. Nc3 (33. Kg1 Nd7 34. Rc4 Qb5 $14)
33... Nd7 $4 (33... Re7 $142 $14) 34. Nxd5 $18 (34. Nxd5 Nxc5 35. Nxc7 (35.
Qxc5 $143 cxd5 36. Qxd5 Qxd5 37. Bxd5 Rd7 $19) 35... Qxc7 36. Qxc5 $18) 1-0

[Event "Oberliga Nord W"]
[Site "?"]
[Date "1999.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Schoenberger, Peter"]
[Result "0-1"]
[WhiteElo "2285"]
[BlackElo "2095"]
[PlyCount "86"]
[EventDate "1999.??.??"]

1. b4 e5 2. a3 d5 3. Bb2 Bd6 4. c4 dxc4 5. e3 Be6 6. Qc2 Nd7 (6... Nc6 7. Nf3
$15) 7. Bxc4 Bxc4 8. Qxc4 Qg5 (8... Ngf6 9. e4 $15) 9. Ne2 (9. Qe4 O-O-O 10.
Nf3 Qxg2 $17) 9... Ngf6 (9... Qxg2 10. Rg1 Qxh2 11. Rxg7 Qh1+ 12. Rg1 $17) 10.
Nbc3 (10. O-O e4 $15) 10... O-O (10... Nb6 11. Qd3 Qxg2 12. Rg1 Qxh2 13. Rxg7
$17) 11. Ng3 (11. O-O Nb6 12. Qb5 c6 $15) 11... Nb6 12. Qe2 Qg6 (12... Rfd8 13.
Qf3 $15) 13. O-O (13. d3 Rfd8 $15) 13... h5 (13... e4 $5 $15) 14. e4 $11 h4 15.
Nf5 Qg5 (15... h3 16. g3 $11) 16. Nb5 $14 Nh5 (16... Nc8 17. Nfxd6 cxd6 18. Nc7
$14) 17. d4 g6 (17... Nf4 $142 $5 18. Qf3 Nc4 $16) 18. Nbxd6 $18 cxd6 19. Nxd6
f6 $2 (19... Na4 $142 $5 20. Bc1 Qf6 21. Nxb7 exd4 $18) 20. Nxb7 (20. Rfd1 Nf4
21. Qf3 Rab8 $18) 20... Nf4 {The mate threat is Qxg2} 21. Qf3 f5 22. Nd6 (22.
dxe5 $6 fxe4 23. Qb3+ Kh7 $16) 22... exd4 (22... Nc8 23. dxe5 Nxd6 24. exd6
fxe4 25. Qxe4 $18) 23. exf5 (23. Bxd4 h3 24. g3 fxe4 25. Nxe4 Qh5 26. Qxh5 Nxh5
$18) 23... Rad8 24. Bc1 Qxg2+ (24... Nbd5 25. Nb7 Rd7 26. Nc5 $18) 25. Qxg2
Nxg2 26. Nb7 (26. Kxg2 Rxd6 27. fxg6 Rxg6+ 28. Kh3 Rf3+ 29. Kxh4 Rg2 $15) 26...
Rb8 27. Nc5 (27. fxg6 $143 Rxb7 28. Kxg2 Rg7 $16) 27... h3 28. fxg6 Rf6 (28...
Nh4 29. Kh1 Nf3 $16) 29. f4 (29. Kh1 $142 $5 $18) 29... Rxg6 $16 30. f5 Rg4 31.
Kh1 Re8 32. f6 (32. Nd3 Re2 $14) 32... Kf7 $11 33. Nd3 (33. Bh6 Nc4 $11) 33...
Nc4 (33... Ne3 34. Bxe3 dxe3 35. Rae1 $11) 34. Bh6 (34. Nf2 Rg6 35. Nxh3 Nge3
36. Bxe3 dxe3 $14) 34... Rg6 (34... Nge3 35. Rf2 $11) 35. Bg7 (35. Rfc1 $14)
35... Nce3 (35... Nge3 36. Rf3 $11) 36. Rfc1 (36. Rf3 Nd5 $14) 36... Nd5 $14
37. Rc5 (37. Rc4 $142 $5 $14) 37... Nxf6 $15 38. Rc7+ (38. Bxf6 Rxf6 39. Rd5
Ne1 40. Rd7+ Kg6 41. Ne5+ Rxe5 $19) 38... Kg8 39. Bxf6 Rxf6 40. Rd7 $4 (40. Rg1
$142 Rf3 41. Nc5 $11) 40... Ne1 $3 $19 41. Kg1 (41. Nxe1 {Theme: Interference}
Rf1# {Theme: Double Attack}) 41... Nxd3 (41... Nf3+ 42. Kh1 Re2 43. Rg1+ Kf8
44. Rd8+ Ke7 45. Re8+ Kxe8 46. Nf2 Nxg1 47. Ng4 Nf3 48. Nxf6+ Kf7 49. Nd5 Rxh2#
) 42. Rxd4 Rg6+ 43. Kf1 Rg2 (43... Rg2 44. Rxd3 Rf8+ 45. Ke1 Rg1+ 46. Kd2 Rxa1
47. Rg3+ Kf7 48. Rxh3 Ra2+ 49. Kd1 Rg8 $19) (43... Ne5 $5 44. Rf4 $19) 0-1

[Event "BL2-Nord"]
[Site "?"]
[Date "2001.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Sell, Achim"]
[Result "1/2-1/2"]
[WhiteElo "2275"]
[BlackElo "2250"]
[PlyCount "61"]
[EventDate "2001.??.??"]

1. b4 c6 2. e3 Qb6 3. a3 Nf6 (3... a5 4. bxa5 Rxa5 5. Nf3 $11) 4. c4 (4. Bb2 d5
$11) 4... g6 (4... c5 5. bxc5 Qxc5 6. d4 Qa5+ 7. Bd2 $14) 5. Bb2 (5. d4 d6 $11)
5... Bg7 6. Nf3 (6. Bd4 Qc7 $14) 6... O-O (6... c5 7. d4 d6 8. Qa4+ Bd7 9. b5
$11) 7. c5 Qc7 8. d4 d5 9. cxd6 exd6 (9... Qxd6 10. Bd3 $11) 10. Nc3 (10. Bd3
Be6 $14) 10... Re8 (10... Bf5 11. Be2 $11) 11. Be2 $14 Bg4 12. O-O Nbd7 13. h3
(13. Qc2 Bf5 14. Bd3 Bxd3 15. Qxd3 d5 $11) 13... Bxf3 (13... Be6 14. Qc2 $11)
14. Bxf3 Nb6 (14... d5 15. Be2 $11) 15. Qb3 (15. b5 d5 $14) 15... a5 (15... d5
16. Be2 $11) 16. e4 (16. bxa5 Rxa5 17. Rfb1 d5 $14) 16... axb4 (16... a4 17.
Qc2 $14) 17. axb4 Nfd7 18. Rfd1 {White prepares d5} Rxa1 19. Bxa1 Nf8 (19... d5
20. exd5 Bxd4 21. Nb5 Bxf2+ 22. Kxf2 cxb5 23. d6 $16) 20. d5 (20. b5 Ne6 21.
Qb4 Ng5 $11) 20... Nfd7 21. dxc6 (21. b5 Ne5 $14) 21... bxc6 22. b5 Nc5 23. Qb4
Be5 24. bxc6 Qxc6 {White gets strong play along the open b-file.} 25. Qb5 Qxb5
26. Nxb5 Bxa1 (26... Ra8 27. Bd4 $11) 27. Rxa1 Nxe4 28. Ra6 Nd2 $2 (28... Nc4
29. Bxe4 Rxe4 30. Nxd6 Nxd6 31. Rxd6 $11) 29. Rxb6 Re1+ 30. Kh2 Nf1+ 31. Kg1
1/2-1/2

[Event "31st ECC Open"]
[Site "?"]
[Date "2015.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Selmanaj, Betim"]
[Result "1-0"]
[WhiteElo "2290"]
[PlyCount "66"]
[EventDate "2015.??.??"]

1. b4 e5 2. a3 d5 3. Bb2 Bd6 4. c4 dxc4 5. e3 Be6 6. Qc2 b5 (6... Ne7 7. Bxc4
Qd7 8. Nf3 Nbc6 9. O-O O-O 10. Ng5 Bf5 11. Qb3 Bg6 12. Nc3 a6 13. Rac1 h6 14.
Nge4 Kh8 15. Nxd6 cxd6 16. a4 Rac8 17. a5 Rfd8 18. Na4 d5 19. Be2 Qd6 20. Nc5
Rc7 21. f4 {Fournier,F (2415)-Campos,A (2575)/chess.com 2011/0-1}) 7. d3 Nf6
$146 (7... cxd3 8. Bxd3 a6 (8... c6 9. Nf3 f6 10. Bxh7 Ne7 11. Nc3 a5 12. bxa5
Nd7 13. Rd1 Bc7 14. O-O g5 15. Ne4 Bd5 16. Nexg5 fxg5 17. Rxd5 cxd5 18. Bg6+
Kf8 19. Nxg5 Ra6 20. Nf7 Qb8 21. Nxh8 Kg7 22. Bf5 Rc6 23. Qe2 {
Steffens,O (2275)-Marris,I (2360)/Groninger Combinatie Open 2016/0-1 (40)}) 9.
f4 Nd7 10. Nf3 c5 11. fxe5 Be7 12. O-O Rc8 13. Nc3 Nh6 14. bxc5 Ng4 15. Nd4
Nxc5 16. Nxe6 Nxe6 17. Rxf7 Nxe5 18. Bf5 Kxf7 19. Qe4 Bf6 20. Rd1 Qc7 21. Bxe6+
Kxe6 22. Nd5 {Steffens,O (2200)-Petkov,V (2540)/Penarth WLS 2013/0-1}) (7...
cxd3 8. Bxd3 a6 9. Nf3 $15) 8. dxc4 $11 bxc4 9. Bxc4 Qd7 (9... Bxc4 10. Qxc4
O-O 11. Nf3 $11) 10. Nd2 (10. Nf3 Bxc4 11. Qxc4 Qe7 $14) 10... O-O 11. Ngf3 Nc6
(11... Qc6 12. Rc1 $16 (12. Bxe5 $143 Bxe5 13. Nxe5 Qxg2 $11)) 12. Bxe6 fxe6
13. Rc1 Nd8 14. Nxe5 Qb5 (14... Qe7 15. Ndc4 $18) 15. Ndc4 (15. Nec4 Nd5 $18)
15... Nf7 (15... a5 16. bxa5 Nb7 17. a4 $16) 16. Nf3 Ng4 (16... Ng5 $142 $5 $18
) 17. Qe4 Qf5 18. Qxf5 exf5 19. O-O (19. Bd4 Rfb8 $18) 19... Rae8 (19... Rac8
20. h3 Ngh6 21. Nd4 $18) 20. Nxd6 (20. h3 Ngh6 $18) 20... cxd6 21. Rc7 (21. Nd4
Nfe5 22. h3 Nh6 $18) 21... Rc8 (21... a6 22. Rd1 $18) 22. Rfc1 (22. Rxa7 $5
Nge5 $18) 22... Rxc7 23. Rxc7 Ra8 24. b5 Rb8 (24... Nge5 25. Bd4 $18) 25. Rxa7
h5 (25... Nge5 26. Nd4 f4 27. e4 $18) 26. a4 Rc8 (26... g6 27. Nd4 Nfe5 28. Ba3
$18) 27. Nd4 Nfe5 (27... Nge5 28. b6 (28. Nxf5 $6 Rc2 $18) 28... Rc4 29. b7 $18
(29. Nxf5 $143 Rb4 30. f4 Nd3 $18)) 28. b6 (28. Nxf5 $143 Rc2 29. Rxg7+ Kf8 $18
) 28... Nf6 (28... Rb8 29. a5 (29. Nxf5 $6 Rxb6 30. Bc1 g6 31. Ne7+ Kf8 $18)
29... g6 30. Ne6 $18) 29. b7 Rb8 (29... Rf8 30. Ra8 Nfd7 31. Rc8 $18) 30. Ra8
Nfd7 31. f4 (31. a5 Kf7 32. a6 Rxb7 33. axb7 g6 $18) 31... Kh7 (31... Nd3 32.
a5 N3c5 $18) 32. Rxb8 Nxb8 33. fxe5 dxe5 1-0

[Event "Polar Capital Jersey Open"]
[Site "?"]
[Date "2019.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Tiviakov, Sergei"]
[Result "1-0"]
[WhiteElo "2175"]
[BlackElo "2605"]
[PlyCount "93"]
[EventDate "2019.??.??"]

1. b4 e5 2. a3 d5 3. Bb2 Nd7 4. e3 a5 5. b5 Ngf6 6. c4 Bd6 7. cxd5 Nxd5 8. Qc2
O-O 9. Nf3 {last book move} Re8 10. Nc3 (10. Bc4 N5b6 11. Bd3 g6 $15) 10...
Nxc3 $17 11. Bxc3 e4 12. Nd4 Nc5 13. Be2 (13. h4 Bg4 $17) 13... Qg5 14. f4 (14.
Kf1 Bg4 15. Bc4 Be5 $17) 14... Qh4+ (14... Qxg2 $5 15. O-O-O g6 $17) 15. g3 $17
Qh3 16. Kf2 Bg4 17. Bxg4 Qxg4 18. Kg2 Nd3 19. h3 Qg6 (19... Qd7 20. Qd1 $15)
20. Qd1 $15 h5 21. Rg1 (21. g4 Be7 $15) 21... Bc5 (21... Be7 22. Kh2 $17) 22.
Kh2 Bxd4 (22... Red8 23. Qb3 $17) 23. Bxd4 $15 Rad8 (23... a4 24. Qc2 $15) 24.
Bc3 (24. Qb3 Rd7 $15) 24... Rd5 25. g4 h4 (25... Rxb5 $143 26. Qa4 c6 27. gxh5
$16) 26. a4 Qd6 (26... Nb4 $5 $17) 27. g5 $11 Re6 28. Qg4 Nc5 (28... b6 29.
Qxh4 Nc5 30. Ra2 $11) 29. Rg2 (29. Kh1 Nb3 30. f5 Ree5 $16) 29... c6 (29... Nb3
30. Ra2 $11) 30. Qxh4 (30. bxc6 b6 31. Kg1 (31. Qxh4 $6 Qxc6 32. Rf1 Rf5 $14 (
32... Nxa4 $4 33. f5 Rxf5 34. Rxf5 Nxc3 35. dxc3 $18)) 31... Qxc6 32. f5 $16)
30... cxb5 $15 31. axb5 b6 (31... Nb3 32. Ra4 Rxb5 33. Rc4 $11) 32. Kh1 Nb3 {
The backward pawn on d2 becomes a target} 33. Rd1 (33. Rag1 Nxd2 34. Bxd2 Rxd2
35. Rxd2 Qxd2 $11) 33... Rxb5 (33... Qd7 34. Rdg1 Rg6 35. Qg3 Nxd2 36. f5 $14)
34. g6 (34. Qg4 Qc5 $15) 34... fxg6 $17 35. Rdg1 Rf5 36. Be5 Qe7 (36... Qc6
$142 $5 $17) 37. Qxe7 $11 Rxe7 38. Rxg6 b5 (38... Rff7 39. Rxb6 Nxd2 40. Rb8+
Kh7 41. Ra1 $11) 39. Bxg7 $14 Kf7 40. Be5 b4 (40... a4 41. Bc3 Rh5 42. R1g5
Rxg5 43. Rf6+ Kg8 44. fxg5 $16) 41. Ra6 Nxd2 $4 (41... Rfxe5 $142 42. fxe5 Rxe5
$14) 42. Rg7+ $18 (42. Rxa5 $6 b3 $14) 42... Kf8 (42... Ke8 43. Ra8+ Kd7 44.
Ra7+ Kc6 45. Rgxe7 $18) 43. Ra8+ (43. Rxa5 Rfxe5 44. fxe5 Rxg7 45. Ra8+ Kf7 46.
Ra7+ Kg8 47. Ra8+ Kh7 $19) 43... Re8 44. Raa7 Rexe5 (44... Rd8 45. Rh7 Ke8 46.
Rhe7+ Kf8 47. Bg7+ Kg8 48. Bh6 Rg5 49. fxg5 Nc4 50. Rg7+ Kh8 51. Rh7+ Kg8 52.
Rag7+ Kf8 53. Rh8#) 45. fxe5 Rxe5 46. Rh7 Kg8 47. Rhd7 (47. Rhd7 Re8 48. Rxd2
$18) 1-0

[Event "31st ECC Open"]
[Site "?"]
[Date "2015.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Van Wessel, Rudy"]
[Result "1-0"]
[WhiteElo "2290"]
[BlackElo "2395"]
[PlyCount "71"]
[EventDate "2015.??.??"]

1. b4 e5 2. a3 g6 3. Bb2 Bg7 4. Nf3 d6 5. c4 f5 (5... Ne7 6. Qb3 (6. e3 O-O 7.
Nc3 Re8 8. d3 Nd7 9. Be2 h6 10. O-O f5 11. Qb3 Kh8 12. Rac1 Nf6 13. Rfd1 Be6
14. Qc2 Qc8 15. e4 f4 16. Nd5 c6 17. Nxe7 Rxe7 18. d4 exd4 19. Nxd4 Bg8 20. c5
dxc5 {anonymouuus-khaled32/kurnik 2014/1-0 (51)}) 6... O-O 7. d3 h6 8. h4 Be6
9. a4 Nbc6 10. b5 Nd4 11. Nxd4 exd4 12. Nd2 c5 13. g3 d5 14. Bg2 Qd7 15. O-O
dxc4 16. dxc4 Bh3 17. Rfd1 Bxg2 18. Kxg2 Nf5 19. Qd3 Rad8 20. Nf1 {
Lopatina,O (2115)-Jelica,M (2220)/5th ch-EURw, Dresden GER 2004/0-1 (41)}) 6.
e3 Nf6 7. d4 $146 (7. Qc2 Be6 8. c5 Ng4 9. Bc4 Qe7 10. cxd6 cxd6 11. Bxe6 Qxe6
12. Ng5 Qd7 13. Qb3 Bf6 14. f3 Bxg5 15. fxg4 Nc6 16. Nc3 Ne7 17. O-O d5 18. Na4
Qd6 19. Nc5 b6 20. Qa4+ Kf7 21. Nd7 d4 {
Basman,M-Hardy,R/Cambridge St. George 1980/1-0}) 7... e4 8. Nfd2 O-O 9. Nc3
Nbd7 10. Qb3 c6 11. c5+ d5 12. b5 Qe7 13. g3 Rf7 14. h4 Nf8 15. a4 h6 16. a5 g5
(16... a6 $142 $5 17. bxc6 bxc6 $11) 17. hxg5 $16 hxg5 18. a6 f4 19. gxf4 gxf4
20. axb7 Bxb7 21. Rg1 a5 (21... Ne6 $5 $16) 22. bxa6 $18 Bc8 23. Be2 (23. exf4
$143 e3 24. fxe3 Qxe3+ 25. Ne2 Qxb3 26. Nxb3 Bxa6 $16) 23... fxe3 24. fxe3 Kh7
(24... Ng4 $5 25. Ncxe4 Qh4+ 26. Ng3 Qh2 $18) 25. Nf1 Bh6 26. Qb6 Qe6 27. Kd2 (
27. Qb4 Rfa7 $18) 27... Ng6 (27... Rfa7 28. Qb3 $16) 28. Kc2 (28. Kd1 Rfa7 $16)
28... Nh4 (28... Rfa7 29. Kd1 $16) 29. Ng3 (29. Kd1 $142 $5 $18) 29... Rg7 (
29... Bxe3 $143 30. Rh1 Bg5 31. Rxh4+ Bxh4 32. Rh1 $16) 30. Raf1 (30. Rh1 $142
Rxg3 31. Rxh4 $18) 30... Bxe3 $4 (30... Nd7 31. Qb3 Rb8 $16 (31... Bxe3 32. Rh1
Rxg3 33. Rxh4+ Bh6 34. Rfh1 $18)) 31. Rxf6 $1 $18 Bxg1 (31... Qxf6 32. Nh5 {
Double attack} (32. Nh5 {Decoy})) 32. Rxe6 Bxe6 33. Nh5 (33. Qxc6 Ng2 34. Ncxe4
Ne3+ 35. Kc1 Rf8 36. Qxe6 dxe4 37. Qxe4+ Kh8 $18) 33... Rg6 (33... Re7 34. Qxc6
Rc8 $18) 34. Qb7+ Kh6 35. Qxa8 Bxd4 36. Qf8+ (36. Qf8+ Kh7 37. Qe7+ Kh8 38.
Qxh4 $18) 1-0

[Event "Hastings"]
[Site "?"]
[Date "1995.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Van Zyl Smit, Konrad"]
[Result "1-0"]
[PlyCount "63"]
[EventDate "1995.??.??"]

1. Nf3 Nf6 2. b4 e6 3. a3 d5 4. e3 c5 5. b5 a6 6. bxa6 (6. Bb2 Bd6 (6... Be7 7.
Be2 axb5 8. Nc3 O-O 9. Nxb5 c4 10. O-O $15 {-0.34/9}) (6... axb5 7. Nc3 (7.
Bxb5+ Bd7 8. Be2 Bd6 9. O-O Nc6 10. Nc3 $15 {-0.31/9}) 7... b4 8. axb4 Rxa1 9.
Bxa1 cxb4 10. Nb5 $11 {-0.25/10}) (6... Bd7 7. bxa6 (7. Nc3 Bd6 8. bxa6 bxa6 9.
Be2 e5 10. d4 $15 {-0.44/9}) (7. a4 Bd6 8. Be2 O-O 9. O-O axb5 10. axb5 $15 {
-0.41/10}) 7... Nxa6 8. Be5 Be7 9. Be2 O-O 10. O-O $15 {-0.37/9}) 7. Be5 (7.
Be2 O-O 8. O-O Nbd7 9. a4 e5 10. Nh4 $15 {-0.53/7}) (7. bxa6 bxa6 8. Be2 Nc6 9.
c4 O-O 10. Qc2 $15 {-0.47/8}) 7... O-O 8. bxa6 Nxa6 9. d4 Bxe5 10. Nxe5 $15 {
-0.41/8}) (6. Ne5 Bd6 (6... c4 7. bxa6 Rxa6 8. Bb2 Bd6 9. d3 b5 10. Ng4 $15 {
-0.44/6}) (6... Nbd7 7. Bb2 (7. Nxd7 Bxd7 8. bxa6 bxa6 9. Bb2 Bd6 10. f4 $15 {
-0.66/8}) (7. f4 Nxe5 8. fxe5 Nd7 9. Bb2 Qh4+ 10. g3 $17 {-0.94/10}) 7... Bd6
8. f4 O-O 9. bxa6 bxa6 10. Be2 $15 {-0.53/8}) (6... Qc7 7. Bb2 (7. f4 c4 8.
bxa6 Rxa6 9. Bb2 Nc6 10. Be2 $15 {-0.37/8}) (7. Nf3 e5 8. Bb2 Nbd7 9. c4 e4 10.
Nh4 $15 {-0.62/8}) 7... c4 8. bxa6 Rxa6 9. f4 Nc6 10. Be2 $15 {-0.37/8}) 7. d4
(7. f4 Ne4 8. bxa6 Qh4+ 9. g3 Nxg3 10. Nf3 $19 {-1.91/8}) (7. Bb2 O-O 8. f4 Ne4
9. Qg4 f6 10. Nf3 $17 {-0.91/8}) 7... O-O 8. bxa6 Nxa6 9. Nd2 Qc7 10. Bb2 $17 {
-0.84/8}) (6. Nc3 Bd6 (6... d4 7. exd4 (7. Nb1 dxe3 8. fxe3 Bd6 9. Nc3 e5 10.
Bb2 $15 {-0.53/8}) (7. Na2 dxe3 8. fxe3 Bd6 9. bxa6 Nxa6 10. Bb5+ $11 {-0.25/9}
) 7... cxd4 8. Ne2 d3 9. Nc3 dxc2 10. Qxc2 $11 {-0.12/8}) (6... Be7 7. Bb2 (7.
bxa6 bxa6 8. Rb1 Nc6 9. Be2 e5 10. d4 $15 {-0.44/8}) (7. Be2 d4 8. exd4 cxd4 9.
Nb1 O-O 10. O-O $15 {-0.44/9}) 7... O-O 8. Be2 d4 9. exd4 cxd4 10. Na2 $11 {
-0.09/9}) (6... c4 7. bxa6 (7. Bb2 Bd6 8. bxa6 bxa6 9. d3 cxd3 10. Bxd3 $11 {
-0.22/9}) (7. Rb1 Qa5 8. Bb2 Bd6 9. bxa6 bxa6 10. Qe2 $15 {-0.44/8}) 7... bxa6
8. d3 cxd3 9. cxd3 Bd6 10. d4 $11 {-0.22/8}) 7. Be2 (7. bxa6 bxa6 8. Rb1 e5 9.
d4 exd4 10. exd4 $15 {-0.50/8}) (7. Bb2 e5 8. bxa6 bxa6 9. Rb1 e4 10. Ng1 $15 {
-0.56/9}) 7... e5 8. bxa6 Nxa6 9. d4 e4 10. dxc5 $15 {-0.37/7}) (6. Be2 axb5 (
6... Bd6 7. Nc3 (7. Bb2 O-O 8. bxa6 bxa6 9. O-O Nc6 10. c4 $15 {-0.56/9}) (7.
bxa6 Nxa6 8. Bb2 O-O 9. O-O Nc7 10. Be5 $15 {-0.50/10}) 7... e5 8. bxa6 Nxa6 9.
d4 e4 10. dxc5 $15 {-0.37/7}) (6... c4 7. bxa6 Nxa6 8. d3 cxd3 9. cxd3 Bd7 10.
O-O $11 {-0.06/9}) 7. Bxb5+ Bd7 8. Bxd7+ Nbxd7 9. Nc3 Bd6 10. Rb1 $15 {-0.37/9}
) 6... bxa6 (6... Nxa6 7. Bb2 (7. Nc3 Bd6 8. Bb2 O-O 9. Nb5 Be7 10. Be2 $15 {
-0.34/10}) (7. Bb5+ Bd7 8. a4 Bd6 9. Bb2 O-O 10. Na3 $15 {-0.37/8}) 7... Bd6 8.
Bb5+ Bd7 9. Bxf6 Qxf6 10. Bxd7+ $15 {-0.28/10}) (6... b6 7. Bb5+ (7. Bb2 Bxa6
8. Bxa6 Rxa6 9. Nc3 Be7 10. O-O $11 {-0.22/10}) (7. a7 Rxa7 8. Bb2 Be7 9. Be2
O-O 10. Nc3 $15 {-0.31/9}) 7... Bd7 8. a4 Nxa6 9. Bb2 Bd6 10. Na3 $11 {0.00/8})
7. c4 (7. Bb2 Nc6 8. Ne5 Nxe5 9. Bxe5 Bd6 10. Bxd6 $15 {-0.53/9}) (7. Be2 Bd6
8. Bb2 Nc6 9. c4 O-O 10. Qa4 $15 {-0.50/8}) 7... Nc6 (7... Bd6 8. Bb2 $15 (8.
d4 cxd4 9. exd4 dxc4 10. Bxc4 $15 {-0.50/8}) 8... O-O 9. Bxf6 Qxf6 10. Nc3 $15
{-0.50/9}) 8. Be2 (8. d4 Rb8 $11 9. Ne5 Nxe5 10. dxe5 $15 {-0.47/7}) 8... Be7 (
8... Bd6 9. O-O $15 O-O 10. cxd5 $15 {-0.41/8}) 9. O-O O-O 10. Qc2 d4 11. exd4
(11. d3 Rb8 $15) 11... cxd4 12. d3 e5 13. Nbd2 Be6 (13... Rb8 14. Rb1 Rxb1 15.
Qxb1 $17) 14. Re1 (14. Ng5 Bd7 $15) 14... Nd7 (14... Qa5 15. Nb3 Qc3 16. Bd1
$15) 15. Bf1 (15. Ne4 Rb8 $15) 15... Qc7 $17 16. g3 (16. Ne4 Rab8 $17) 16... f5
(16... Rab8 17. Ne4 $17) 17. Nb3 $15 Nc5 (17... Qd6 18. Bg2 Rac8 19. Ng5 Bxg5
20. Bxg5 $11) 18. Nxc5 $11 Bxc5 19. Ng5 Bc8 (19... Rae8 20. Bg2 Bc8 21. Bd5+
Kh8 22. Qd1 $11) 20. Bg2 h6 21. Bd5+ Kh8 22. Qe2 Rf6 23. Qh5 Bb7 (23... Bd7
$142 $5 $16) 24. Rb1 Rb8 25. Ne6 Qe7 $2 (25... Qa5 $142 26. Bg5 Rxe6 27. Bxe6
Qc7 $18) 26. Bg5 (26. Nxc5 $143 Qxc5 27. Bg5 Rd6 28. Rxb7 Rxd5 29. Rxb8+ Nxb8
30. cxd5 Qxd5 31. Qe8+ Kh7 32. Rxe5 Qc6 $18) 26... Ba7 (26... Qxe6 27. Bxe6
Rxe6 $18) 27. Bxf6 Qxf6 28. Rxb7 $1 Rxb7 29. Qe8+ Kh7 30. Nf8+ Kh8 31. Ng6+ Kh7
32. Bg8# 1-0

[Event "Bremen Silvester Open"]
[Site "?"]
[Date "2018.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Villwock, M."]
[Result "0-1"]
[WhiteElo "2185"]
[BlackElo "2205"]
[PlyCount "128"]
[EventDate "2018.??.??"]

1. b4 b6 2. Bb2 Bb7 3. e3 e6 4. Nf3 Nf6 5. b5 d5 6. c4 Bd6 7. a4 (7. Be2 O-O 8.
O-O Nbd7 9. d4 Ne4 10. Nbd2 f5 11. Ne1 Qg5 12. f4 Qh6 13. Nef3 Ndf6 14. Ne5 g5
15. Nxe4 Nxe4 16. cxd5 Bxd5 17. Bf3 gxf4 18. Bxe4 Bxe4 19. exf4 Bxe5 20. dxe5
Rf7 21. Rf2 Rg7 {Diadoco (2215)-kovacic (2340)/ChessWorld.net 2017/0-1}) 7...
a5 $146 (7... Qe7 8. Nc3 Nbd7 9. Be2 Ne5 10. O-O Nxf3+ 11. Bxf3 h5 12. cxd5
exd5 13. Ne2 Ng4 14. h3 Nh2 15. Nd4 Nxf1 16. Kxf1 O-O-O 17. Bxh5 g6 {
1/2-1/2 Abdullaevich (1625)-sadashivabhramendra (1760)/lichess.org 2018}) (7...
Nbd7 8. a5 O-O 9. a6 Bc8 10. Nc3 Nc5 11. Nd4 Bd7 12. Be2 e5 13. Nf3 Rb8 14.
cxd5 e4 15. Nd4 Nd3+ 16. Bxd3 exd3 17. Nc6 Bxc6 18. bxc6 Re8 19. Qb1 h6 20.
Qxd3 Rc8 21. Nb5 Ra8 22. Bxf6 {
Adamkosh (2010)-abunssar/lichess.org 2020/1-0 (50)}) (7... O-O 8. Nc3 c5 9.
cxd5 Nxd5 10. Nxd5 Bxd5 11. Be2 Nd7 12. O-O Qc7 13. h3 Nf6 14. Qc2 Ne4 15. Bd3
Qb7 16. Nh4 h6 17. f4 Ng3 18. Rf2 Rfd8 19. Nf3 Ne4 20. Bxe4 Bxe4 21. Qc3 f6 22.
d3 {Abdullaevich (1805)-vegangosling (1705)/lichess.org 2018/0-1 (33)}) 8. cxd5
Bxd5 9. Be2 O-O 10. d3 Nbd7 11. Nbd2 e5 12. e4 Bb7 13. O-O Qe7 14. Nc4 {
Now all is on e5} Rfe8 15. Rc1 Rac8 16. Rc2 (16. Nxd6 $143 cxd6 (16... Qxd6
$143 17. Nd2 $16) 17. Rxc8 Rxc8 $11) 16... Ng4 17. Qa1 f6 (17... Ngf6 18. Bc3
$14) 18. Nh4 Nh6 19. Bc1 f5 20. Qa2 Kh8 21. Nxf5 Nxf5 22. exf5 e4 23. Nxd6 cxd6
24. d4 e3 25. Bxe3 (25. fxe3 $5 Bd5 26. Qb2 $16 (26. Qxd5 $2 Rxc2 27. Qf3 Rec8
$19)) 25... Qe4 $16 26. Rc6 Bxc6 27. bxc6 Nf6 (27... Rxc6 $142 $5 28. Bf3 Rc2
$16) 28. Bf3 $18 Qxf5 29. d5 Ne4 30. Qc4 h5 31. Rd1 (31. Bxb6 Nd2 32. Qb5 Nxf3+
(32... Nxf1 33. Kxf1 (33. Qxf1 $4 Rb8 34. Be2 Rxb6 $19) 33... Rb8 34. c7 $19)
33. gxf3 Qxf3 $19) 31... Ng5 (31... Kg8 32. Qc2 (32. Bxb6 $6 Nd2 33. Qc3 Nxf3+
34. Qxf3 Qc2 $14) 32... Qe5 33. h4 $18) 32. Bxg5 (32. Be2 $142 $5 Ne4 33. Bd3
$18) 32... Qxg5 $16 33. h4 Qe5 (33... Qf5 34. Qb3 $16) 34. Qa6 Qc3 (34... Rb8
35. g3 $16) 35. Kh2 (35. Bxh5 $5 Rf8 $18) 35... Qb4 (35... Rf8 36. Qd3 Qb4 37.
Kh3 Qxa4 38. Rd2 $14) 36. g3 Rf8 37. Qd3 Rce8 (37... Rf6 $5 $14) 38. Kg2 Re5
39. Rc1 Qxa4 40. c7 Qd7 41. Qg6 Rc8 42. Rc6 b5 (42... a4 43. Be4 Rxe4 44. Qxe4
$16) 43. Rxd6 (43. Be4 $5 Rxe4 44. Qxe4 $16) 43... Qxc7 $14 44. Re6 Rf8 45. Be4
Rxe4 46. Qxh5+ Kg8 47. Rxe4 Qc5 {Attacks the backward pawn on f2} 48. Re2 a4
49. Qe5 a3 50. Qe6+ Kh8 $2 (50... Kh7 51. d6 Qc6+ 52. Kh2 $14) 51. h5 $4 (51.
d6 $142 Qc6+ 52. Kh2 $18) 51... Rf6 52. Qe8+ Rf8 53. Qe5 Rf6 54. Qe8+ (54. h6
Kg8 $14 (54... Rxh6 $4 55. Qf5 Rg6 56. Qxg6 Qxd5+ 57. f3 $18)) 54... Rf8 $11
55. Qe6 Rf6 56. Qe4 b4 57. Rc2 Qf8 58. Qg4 b3 59. Rc8 Rxf2+ 60. Kh3 a2 61. h6
$4 (61. Rxf8+ $142 Rxf8 62. Qa4 $11) 61... a1=Q $19 62. hxg7+ (62. Rxf8+ Rxf8
63. Qe6 $19) 62... Qaxg7 63. Rxf8+ Rxf8 64. d6 Qxg4+ (64... Qxg4+ 65. Kxg4 b2
66. d7 b1=Q 67. d8=Q Qf5+ 68. Kh4 Rxd8 69. g4 Rd4 70. Kg3 Rxg4+ 71. Kh2 Qh5#)
0-1

[Event "Oberliga Nord N"]
[Site "?"]
[Date "1998.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Voigt, Martin"]
[Result "1-0"]
[WhiteElo "2315"]
[BlackElo "2265"]
[PlyCount "81"]
[EventDate "1998.??.??"]

1. b4 c6 2. e3 d5 3. c4 Nf6 4. Bb2 Bf5 5. Nf3 e6 6. b5 Bd6 7. Nc3 O-O 8. Be2 h6
(8... dxc4 9. Bxc4 a6 10. a4 $15) 9. d4 (9. cxd5 Nxd5 10. Nxd5 cxd5 $11) 9...
dxc4 10. O-O (10. Bxc4 cxb5 11. Bxb5 Nc6 $11) 10... Nbd7 (10... a6 11. a4 $15)
11. bxc6 (11. Bxc4 cxb5 12. Nxb5 Be7 $11) 11... bxc6 (11... Qb6 12. cxd7 Qxb2
13. Qd2 Qxd2 14. Nxd2 $15) 12. Bxc4 e5 (12... Rb8 13. Qc1 $11) 13. Ne2 (13. a4
Bg4 $11) 13... e4 $15 14. Ne5 Ng4 (14... Qc7 15. Nxd7 Qxd7 16. Qc2 $11) 15. Ng3
(15. Nxg4 Bxg4 16. Qc2 Rb8 $11) 15... Ngxe5 (15... Ndxe5 16. Nxf5 Nxf2 17. Rxf2
Nxc4 18. Qg4 $14) 16. dxe5 Bxe5 17. Nxf5 Bxb2 18. Qg4 (18. Rb1 Ne5 19. Qc2 Nxc4
20. Qxc4 Qf6 $11) 18... h5 (18... Qg5 19. Qxg5 hxg5 20. Ne7+ Kh8 21. Rab1 $11)
19. Qg6 {Threatening mate... how?} Qf6 20. Nh6+ {
f7 becomes the focus of attention} Kh8 21. Nxf7+ Rxf7 22. Bxf7 Bxa1 (22... Qxg6
23. Bxg6 Bxa1 24. Rxa1 $16) 23. Qxh5+ $16 Qh6 24. Rxa1 Rb8 $2 (24... Qxh5 25.
Bxh5 Ne5 26. f4 exf3 27. Bxf3 $16) 25. h3 (25. Qf5 $142 $5 Nf6 26. Rc1 $18)
25... Qxh5 $16 26. Bxh5 Ne5 27. Rc1 (27. f4 exf3 28. Bxf3 Rb2 $16) 27... g6 28.
Bg4 Rb2 29. Be6 Kg7 30. Rc5 Kf6 31. Bb3 Rd2 (31... Re2 32. Ra5 $18) 32. Bc2 $18
Nd3 33. Rxc6+ Ke5 (33... Kg5 34. Bb3 $18) 34. Bb3 Rxf2 35. Rxg6 {
The passed pawn on h3 will quickly become a dangerous weapon} (35. Re6+ Kf5 36.
Bd5 Rb2 $18) 35... Re2 36. Rg3 (36. Re6+ Kf5 37. Ra6 Rxe3 38. Rxa7 Re2 $18)
36... Re1+ (36... Nc1 37. Kf1 Rb2 38. Bc4 $18) 37. Kh2 $18 Nf2 (37... Kd6 38.
Rg6+ Kc5 39. Ra6 $18) 38. Rg5+ Kf6 (38... Kd6 39. Rd5+ Kc7 40. Rf5 $18) 39. Rg8
Nd3 (39... Ke7 40. h4 $18) 40. h4 Rxe3 (40... Rc1 $18) 41. h5 (41. h5 Re1 42.
h6 $18) 1-0

[Event "Schleswig Holstein-ch masters"]
[Site "?"]
[Date "1997.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Wilde, Dennis"]
[Result "1-0"]
[WhiteElo "2320"]
[BlackElo "2120"]
[PlyCount "55"]
[EventDate "1997.??.??"]

1. b4 e5 2. a3 g6 3. Bb2 Bg7 4. e3 (4. e4 d6 $11) 4... d6 5. c4 (5. Nf3 Nf6 $11
) 5... f5 (5... Nf6 6. Ne2 $15) 6. Nf3 (6. d4 Ne7 $11) 6... Nf6 7. d4 e4 8.
Nfd2 O-O (8... a5 9. b5 $11) 9. Nc3 (9. Be2 a5 $11) 9... Kh8 (9... a5 10. Be2
$11) 10. Be2 $14 c6 (10... c5 11. O-O $14) 11. Qc2 Na6 12. c5 (12. O-O Be6 $14)
12... d5 (12... dxc5 13. dxc5 b6 14. Rd1 $14) 13. b5 (13. Bxa6 bxa6 14. Qa4 Qc7
$14) 13... Nc7 14. a4 (14. bxc6 bxc6 15. Qa4 Qd7 $11) 14... Ne6 (14... f4 15.
O-O $11) 15. g3 (15. O-O f4 $11) 15... g5 {Black prepares the advance f4} 16.
h4 f4 (16... g4 $142 $11) 17. O-O-O $4 (17. hxg5 fxe3 18. fxe3 (18. gxf6 $143
exd2+ 19. Qxd2 Qxf6 $17) 18... Nxg5 19. bxc6 bxc6 20. Qd1 $15) 17... fxe3 (
17... f3 18. Bf1 g4 19. Re1 $17) 18. fxe3 Bh6 (18... g4 $5 $17) 19. hxg5 Bxg5
20. Ndxe4 $2 (20. Nf1 $142 $15) 20... dxe4 $19 (20... Nxe4 $143 21. Nxe4 Bxe3+
22. Kb1 $14) 21. Nxe4 Bxe3+ 22. Kb1 Nd5 23. Rxh7+ Kxh7 {Decoy theme: h7} 24.
Ng5+ {Discovered attack} Kh6 25. Rh1+ Kxg5 26. Rh5+ Kf6 27. Qf5+ Ke7 28. Rh7+ (
28. Rh7+ Ng7 29. Rxg7+ Ke8 30. Qg6+ Rf7 31. Qxf7#) 1-0

[Event "Polar Capital Jersey Open"]
[Site "?"]
[Date "2019.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Wojciechowski, Paul"]
[Result "1-0"]
[WhiteElo "2175"]
[BlackElo "1910"]
[PlyCount "61"]
[EventDate "2019.??.??"]

1. b4 Nf6 2. Bb2 d5 3. Nf3 e6 4. b5 c5 5. e3 Bd6 6. c4 Nbd7 7. a4 O-O 8. Be2
Qc7 9. d3 {last book move} Ne5 (9... dxc4 $5 10. dxc4 b6 $15) 10. Nbd2 $11 Bd7
11. Qc2 b6 (11... h6 12. h3 $11) 12. Qc3 (12. O-O Nxf3+ 13. Nxf3 e5 14. cxd5
Nxd5 $11) 12... Ng6 13. h4 (13. O-O $142 $11) 13... e5 (13... h6 $142 $15) 14.
cxd5 $14 Nxd5 15. Qb3 Nb4 (15... Be6 $5 16. Nc4 f6 $14) 16. h5 $16 Ne7 17. Nc4
Be6 18. Ng5 (18. h6 g6 $16) 18... Qd7 (18... Bxc4 $5 19. dxc4 Nf5 $16) 19. h6
$16 g6 (19... Bxc4 20. Qxc4 (20. dxc4 $6 Qf5 21. hxg7 Rfd8 22. Nxh7 Qc2 23.
Nf6+ Kxg7 24. Nh5+ Kf8 $14) 20... g6 21. e4 $16) 20. Ne4 $18 f6 (20... Bxc4 21.
Qxb4 $1 (21. Qxc4 $143 Ned5 $16) 21... cxb4 22. Nf6+ Kh8 23. Nxd7 $18) 21.
Nexd6 Qxd6 22. Qxb4 (22. Nxd6 Bxb3 23. Kd2 Rad8 $19) 22... Qd5 (22... cxb4 $4
23. Nxd6 Rad8 24. Ne4 $18) 23. Qb3 Qxg2 24. Rf1 Rad8 25. a5 Rd7 (25... Qh3 26.
Bc3 $18) 26. axb6 axb6 27. Ra6 Rb8 (27... Rd6 28. Ra7 Nf5 29. Qc2 Bxc4 30.
Qxc4+ (30. dxc4 Nh4 31. Ra1 Qh2 $17) 30... Kh8 31. Bc3 $18) 28. Qa4 Nd5 (28...
Bxc4 29. Qxc4+ Qd5 $18) 29. Ra8 Rbd8 (29... Rf8 30. Rxf8+ Kxf8 31. Qa8+ Ke7 32.
Nxb6 $18) 30. Rxd8+ Rxd8 31. Qa7 (31. Qa7 Bd7 32. Qb7 $18) 1-0

[Event "34th Schwarzacher Open"]
[Site "?"]
[Date "2019.??.??"]
[Round "?"]
[White "Steffens, Olaf"]
[Black "Zelcic, R."]
[Result "0-1"]
[WhiteElo "2185"]
[BlackElo "2515"]
[PlyCount "114"]
[EventDate "2019.??.??"]

1. b4 e5 2. a3 d5 3. Bb2 Bd6 4. c4 c6 5. Nf3 Nd7 6. e3 Ngf6 7. Nc3 O-O 8. d4 (
8. Qc2 a6 9. c5 Bc7 10. Be2 Re8 11. h3 Nf8 12. Na4 Ng6 13. g4 e4 14. Nd4 Nh4
15. Nb6 Bxb6 16. cxb6 Qxb6 17. Qc3 Re7 18. Rg1 Ne8 19. Nf5 Bxf5 20. gxf5 f6 21.
Rg4 Nxf5 22. O-O-O a5 {
Steffens,O (2325)-Cording,H (2310)/Oberliga Nord N 1997/0-1 (36)}) (8. cxd5
cxd5 9. Be2 e4 10. Nd4 a6 11. d3 Re8 12. O-O exd3 13. Bxd3 Ne5 14. h3 Bd7 15.
Be2 Nc4 16. Qc2 b5 17. Rad1 Rc8 18. Bxc4 Rxc4 19. Qd2 Be5 20. Nf3 Bxc3 21. Bxc3
Ne4 22. Qe1 Nxc3 {keene2019 (1910)-dinamichu (1950)/gameknot.com 2020/1-0 (33)}
) 8... exd4 $146 (8... e4 9. Nd2 Qc7 10. g3 Re8 11. Rc1 Nf8 12. cxd5 Qd7 13.
dxc6 bxc6 14. Ncxe4 Nxe4 15. Nxe4 Rxe4 16. Bg2 Re7 17. Bxc6 Qh3 18. Bxa8 Ba6
19. Qf3 h6 20. Rc6 Bxb4+ 21. axb4 Bb5 22. Rc8 Qxc8 23. Bb7 {
karoo54-jonas77777/kurnik 2012/0-1 (42)}) (8... Re8 9. cxd5 Nxd5 10. Nxd5 cxd5
11. dxe5 Nxe5 12. Bb5 Nc6 13. Rc1 Bg4 14. Bxc6 Bxf3 15. Qxf3 bxc6 16. Rxc6 a5
17. b5 Rb8 18. Qg4 g6 19. b6 Re4 20. Qf3 f5 21. Qd1 Bf4 22. O-O Bh6 23. Qc2 {
Pandurevic,M (2310)-Raguz,I (1920)/15th Open, Bosnjaci CRO 2010/1-0}) (8... e4
9. Nd2 $11) 9. Qxd4 $11 c5 10. bxc5 Bxc5 11. Qf4 Qb6 12. Rb1 Bd6 13. Qh4 Ne5
14. Nxe5 (14. cxd5 $143 Bf5 15. e4 Nxe4 16. Nxe4 Nxf3+ 17. gxf3 Bxe4 18. fxe4
Bxa3 $15) 14... Bxe5 15. Bd3 dxc4 16. Qxc4 Bd7 (16... Rd8 17. Na4 Qa5+ 18. Qb4
$11) 17. Ba1 (17. Na4 Qa5+ 18. Qb4 Qd5 19. Bxe5 Qxe5 $11 (19... Qxd3 $143 20.
Nc5 Qg6 21. Bxf6 $14 (21. Qxb7 $143 Bc8 22. Qb5 a6 $17 (22... Qxg2 $6 23. Qf1
Qf3 24. Rg1 $11)) (21. Nxd7 $6 Nxd7 22. Bd4 a5 $11))) 17... Qa5 18. Qb4 (18.
Rxb7 $2 Rfc8 (18... Qxa3 $6 19. Ke2 $15) 19. Qb4 Qxb4 20. axb4 Bxc3+ (20...
Rxc3 $6 21. Bxc3 Bxc3+ 22. Ke2 $17) 21. Bxc3 Rxc3 $19) 18... Qxb4 19. axb4 Rac8
(19... a5 20. b5 $15) 20. Nd5 (20. Ne4 $5 Bxa1 21. Rxa1 $11) 20... Nxd5 $15 21.
Bxe5 Nxb4 22. Rxb4 Rc1+ 23. Kd2 Rxh1 24. Rxb7 Rd8 25. Bc7 Bc6 26. Rxa7 Rd7 27.
Ke2 g6 28. e4 Rxh2 $1 29. Bxh2 Rxa7 30. Be5 (30. Ke3 h5 $17) 30... Ra5 (30...
Re7 31. f4 $19) 31. Bc3 Rg5 32. g3 Bb5 33. Bf6 Rc5 34. Bd4 Bxd3+ 35. Kxd3 Rc6
36. Ke3 f6 37. Kf3 Kf7 38. g4 Rc4 39. Bb2 (39. Be3 h5 40. gxh5 gxh5 $19) 39...
Rb4 40. Ba1 Rb3+ 41. Kg2 h5 42. gxh5 gxh5 43. Kh2 (43. e5 f5 44. Bd4 Ke6 $19)
43... Ra3 44. Bb2 Ra2 45. Bd4 Ra4 46. Bb6 Rxe4 47. f3 Rc4 48. Kg3 Kg6 49. Ba7
Kf5 50. Bb8 (50. Bf2 h4+ 51. Kh3 Kf4 $19) 50... h4+ 51. Kh3 Rc3 52. Kg2 Rc2+ (
52... Rc8 $142 53. Bd6 $19) 53. Kg1 (53. Kh3 Kg5 54. Ba7 $19) 53... h3 54. Bd6
Rg2+ 55. Kf1 (55. Kh1 Rf2 $19) 55... Rd2 56. Bc7 h2 57. Bg3 (57. Bxh2 Rxh2 58.
Ke1 $19) 57... h1=Q# 0-1














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<p>
<b>My earlier front pages:</b>
<p>
<li>2022-02  <a href="index-2022-02-Steffens-Olaf.htm">Olaf Steffens</a>
<li>2022-01  <a href="index-2022-01-Pietrzak-Janusz.htm">Janusz Pietrzak</a>
<li>2021-12  <a href="index-2021-12-Lehr-Thomas.htm">Thomas Lehr</a>
<li>2021-11  <a href="index-2021-11-Teichmann-Erik.htm">FM Erik Teichmann</a>
<li>2021-10  <a href="index-2021-10-Helin-Mikael.htm">CM Mikael Helin</a>
<li>2021-09  <a href="index-2021-09-Poley-Vladimir.htm">IM Vladimir Poley</a>
<li>2021-08  <a href="index-2021-08-Hoiberg-Nina.htm">WIM Nina Høiberg</a>
<li>2021-07  <a href="index-2021-07-Wantoch-Rekowski-Jacek.htm">Prof. Jacek Wantoch-Rekowski</a>
<li>2021-06  <a href="index-2021-06-Bosboom-Manuel.htm">Manuel Bosboom</a>
<li>2021-05  <a href="index-2021-05-Olcum-Ahmet.htm">Ahmet Olcum</a>
<li>2021-04  <a href="index-2021-04-Williams-Barry-M.htm">Barry M Williams</a>
<li>2021-03  <a href="index-2021-03-PeterRs.htm">PeterRs</a>
<li>2021-02  <a href="index-2021-02-Ruhle-Ernst-Albrecht.htm">Ernst-Albrecht Ruhle</a>
<li>2021-01  <a href="index-2021-01-juliangon.htm">JULIANGON</a>
<li>2020-12  <a href="index-2020-12-AnastasianAshot.htm">GM Ashot Anastasian</a>
<li>2020-11  <a href="index-2020-11-NiephausFriedel.htm">Friedel Niephaus</a>
<li>2020-10  <a href="index-2020-10-VilaVilaRicard.htm">Ricard Vila Vila</a>
<li>2020-09  <a href="index-2020-09-SchifflerLeonhard.htm">Leonhard Schiffler</a>
<li>2020-08  <a href="index-2020-08-BasmanMichaelJohn.htm">Michael J Basman</a>
<li>2020-07  <a href="index-2020-07-MelichJindrich.htm">Jindrich Melich</a>
<li>2020-06  <a href="index-2020-06-RoczniakJan.htm">Jan Roczniak</a>
<li>2020-05  <a href="index-2020-05-RudbeckJoergen.htm">Joergen Rudbeck</a>
<li>2020-04  <a href="index-2020-04-PfuellerVolker.htm">Prof. Volker Pfueller</a>
<li>2020-03  <a href="index-2020-03-PachurkaRoland.htm">Roland Pachurka</a>
<li>2020-02  <a href="index-2020-02-MichaelSchirmer.htm">Michael Schirmer</a>
<li>2020-01  <a href="index-2020-01-GuenterGerold.htm">Guenter Gerold</a>
<li>2019-12  <a href="index-2019-12-RegisMauron.htm">Regis Mauron</a>
<li>2019-11  <a href="index-2019-11-SusanKathrynLalic.htm">Susan Kathryn Lalic</a>
<li>2019-10  <a href="index-2019-10-JonssonPallG.htm">Pall Gauti Jonsson</a>
<li>2019-09  <a href="index-2019-09-Vogiatzis.htm">Dimitrios Vogiatzis</a>
<li>2019-08  <a href="index-2019-08-Morriss.htm">Pete Morriss</a>
<li>2019-07  <a href="index-2019-07-Keres.htm">GM Paul Keres</a>
<li>2019-06  <a href="index-2019-06-Timmermans.htm">IM Mark Timmermans</a>
<li>2019-05  <a href="index-2019-05-Stabenow.htm">Juergen Stabenow</a>
<li>2019-04  <a href="index-2019-04-Diener.htm">Rudolf Diener</a>
<li>2019-03  <a href="index-2019-03-Nadanian.htm">Ashot Nadanian</a>
<li>2019-02  <a href="index-2019-02-Csom.htm">Istvan Csom</a>
<li>2019-01  <a href="index-2019-01-Sternik.htm">Ryszard Sternik</a>
<li>2018-12  <a href="index-2018-12-Bennett.htm">Hilton Bennett</a>
<li>2018-11  <a href="index-2018-11-Welling.htm">Gerard Welling</a>
<li>2018-10  <a href="index-2018-10-Malmstrom.htm">Jan Malmstroem</a>
<li>2018-09  <a href="index-2018-09-Gross-vs-Merten.htm">Wilhelm Gross vs Rainer Merten</a>
<li>2018-08  <a href="index-2018-08-Kjaerstad.htm">Eivind J Kjaerstad</a>
<li>2018-07  <a href="index-2018-07-Vasiukov.htm">Evgeny Vasiukov</a>
<li>2018-06  <a href="index-2018-06-Pommerel.htm">Wim Pommerel</a>
<li>2018-05  <a href="index-2018-05-Myrberg.htm">Johnny Myrberg</a>
<li>2018-04  <a href="index-2018-04-kilpatrick.htm">Robert Kilpatrick</a>
<li>2018-03  <a href="index-2018-03-Buss.htm">Michael Buss</a>
<li>2018-02  <a href="index-2018-02-Pandurevic.htm">Miro Pandurevic</a>
<li>2018-01  <a href="index-2018-01-Macedo-Alexandre-Soares-De.htm">Alexandre Soares De Macedo</a>
<li>2017-12  <a href="index-2017-12-JADDWARRIOR.htm">JADDWARRIOR</a>
<li>2017-11  <a href="index-2017-11-bigalke.htm">Andre Bigalke</a>
<li>2017-10  <a href="index-2017-10-gabetto.htm">Flaviano Gabetto</a>
<li>2017-09  <a href="index-2017-09-cirulis.htm">Ilmars Cirulis</a>
<li>2017-08  <a href="index-2017-08-Schiefelbusch.htm">Dirk Schiefelbusch</a>
<li>2017-07  <a href="index-2017-07-Kamaletdinov.htm">Farit Kamaletdinov</a>
<li>2017-06  <a href="index-2017-06-Melzig.htm">Ernst Melzig</a>
<li>2017-05  <a href="index-2017-05-Mroz.htm">Antoni Mroz</a>
<li>2017-04  <a href="index-2017-04-Bartle-Georg.htm">Georg Bartle</a>
<li>2017-03  <a href="index-2017-03-Campora-Hugo-Daniel.htm">Hugo Daniel Campora</a>
<li>2017-02  <a href="index-2017-02-Pagni-Carlo-Alberto.htm">Carlo Alberto Pagni</a>
<li>2017-01  <a href="index-2017-01-Drazic-Sinisa.htm">Sinisa Drazic</a>
<li>2016-12-01  <a href="index-2016-12-Cornacchini.htm">Gabriele Cornacchini</a>
<li>2016-11-01  <a href="index-2016-11-Shirazi-Kamran.htm">Kamran Shirazi</a>
<li>2016-10-01  <a href="index-2016-10-Leon-Manas.htm">Leon Manas Jose Francisco</a>
<li>2016-09-01  <a href="index-2016-09-Cottarelli.htm">Franco Cottarelli</a>
<li>2016-08-01  <a href="index-2016-08-Chiarion.htm">Elisa Chiarion</a>
<li>2016-06-01  <a href="index-2016-06-Nikolic-Jovane.htm">Nikolic Jovane</a>
<li>2016-05-01  <a href="index-2016-05-Frenzel-Lothar.htm">Frenzel Lothar</a>
<li>2016-04-01  <a href="index-2016-04-Ranby-Hans.htm">Ranby Hans</a>
<li>2016-03-01  <a href="index-2016-03-Bach,Matthias.htm">Bach Matthias</a>
<li>2016-01-01  <a href="index-2016-01-Jaramillo-Carlos-Orlando.htm">Jaramillo Carlos Orlando</a>
<li>2015-12-01  <a href="index-2015-12-Majul-Martinez-Isolina.htm">Isolina Majul Martinez</a>
<li>2015-11-01  <a href="index-2015-11-Molano-Lafuente-Ismael.htm">Ismael Molano Lafuente</a>
<li>2015-10-01  <a href="index-2015-10-Espig-Lutz.htm">Lutz Espig</a>
<li>2015-09-01  <a href="index-2015-09-Labahn-Wolfgang.htm">Wolfgang Labahn</a>
<li>2015-08-01  <a href="index-2015-08-Vietnam.htm">Vietnam players</a>
<li>2015-07-01  <a href="index-2015-07-Ivanets-Vladimir.htm">Vladimir Ivanets</a>
<li>2015-06-01  <a href="index-2015-06-Humeau-Cyril.htm">Cyril Humeau</a>
<li>2015-05-01  <a href="index-2015-05-Ackermann-Robert.htm">Robert Ackermann</a>
<li>2015-04-01  <a href="index-2015-04-Galoic-Boris.htm">Boris Galoic</a>
<li>2015-03-01  <a href="index-2015-03-akesson-ralf.htm">Ralf Akesson</a>
<li>2015-02-01  <a href="index-2015-02-drljevic-ljilja.htm">Lilija Drljevic</a>
<li>2015-01-01  <a href="index-2015-01-morovic-fernandez.htm">Ivan Morovic Fernandez</a>
<li>2014-12-01  <a href="index-2014-12-krivoshapko.htm">Alexandr Krivoshapko</a>
<li>2014-11-01  <a href="index-2014-11-osmak.htm">Yulia Osmak</a>
<li>2014-09-01  <a href="index-2014-09-arkell.htm">Keith C Arkell</a>
<li>2014-08-01  <a href="index-2014-08-frink.htm">Ferenc Frink</a>
<li>2014-07-01  <a href="index-2014-07-marshall.htm">Frank James Marshall</a>
<li>2014-06-01  <a href="index-2014-06-muri.htm">Heinrich Muri</a>
<li>2014-05-01  <a href="index-2014-05-mehlhorn.htm">Uwe Mehlhorn</a>
<li>2014-04-01  <a href="index-2014-04-farleigh.htm">Richard Farleigh</a>
<li>2014-03-01  <a href="index-2014-03-kesmaecker.htm">Philippe Kesmaecker</a>
<li>2014-02-01  <a href="index-2014-02-nebe.htm">Lutz Nebe</a>
<li>2014-01-01  <a href="index-2014-01-frydendal.htm">Odd Frydendal</a>
<li>2013-12-01  <a href="index-2013-12-01-hasler.htm">Ulrich Hasler</a>
<li>2013-11-01  <a href="index-2013-11-01-plock.htm">Joerg Plock</a>
<li>2013-10-01  <a href="index-2013-10-01-enxtuul.htm">Altanolzii Enxtuul</a>
<li>2013-09-01  <a href="index-2013-09-01-vokac.htm">Marek Vokac</a>
<li>2013-08-01  <a href="index-2013-08-01-katalymov.htm">Boris Katalymov</a>
<li>2013-07-01  <a href="index-2013-07-01-frosinos.htm">Ioannis Frosinos</a>
<li>2013-06-01  <a href="index-2013-06-01-hjortstam.htm">Kurt Hjortstam</a>
<li>2013-05-01  <a href="index-2013-05-01-zylla.htm">Johannes Zylla</a>
<li>2013-04-01  <a href="index-2013-04-01-koltanowski.htm">George Koltanowski</a>
<li>2013-03-01  <a href="index-2013-03-01-kortschnoj.htm">Viktor Kortschnoj</a>
<li>2013-02-01  <a href="index-2013-02-01-dumontelle.htm">Joe Dumontelle</a>
<li>2013-01-01  <a href="index-2013-01-01-juswanto.htm">Denny Juswanto</a>
<li>2012-12-01  <a href="index-2012-12-01-spiridonov.htm">Nikola Spiridonov</a>
<li>2012-11-01  <a href="index-2012-11-01-kaenel.htm">Hansjuerg Kaenel</a>
<li>2012-10-01  <a href="index-2012-10-01-hartlaub.htm">Marianne Hartlaub</a>
<li>2012-09-01  <a href="index-2012-09-01-soppe.htm">Guillermo Soppe</a>
<li>2012-08-01  <a href="index-2012-08-01-De-Visser.htm">Arnold De Visser</a>
<li>2012-07-01  <a href="index-2012-07-01-rohde.htm">Friedhelm Rohde</a>
<li>2012-06-01  <a href="index-2012-06-01-ziese.htm">Gerhard Ziese</a>
<li>2012-05-01  <a href="index-2012-05-01-sternik.htm">Ryszard Sternik</a>
<li>2012-04-01  <a href="index-2012-04-01-benassi.htm">Aspasio Benassi</a>
<li>2012-03-01  <a href="index-2012-03-01-hanison.htm">Bernard Hanison</a>
<li>2012-02-01  <a href="index-2012-02-01-fournier.htm">Frederic Fournier</a>
<li>2012-01-01  <a href="index-2012-01-01-melia.htm">Ken Melia</a>
<li>2011-11-01  <a href="index-2011-11-01-capablanca.htm">Jose Raul Capablanca</a>
<li>2011-12-01  <a href="index-2011-12-01-michna.htm">Marta Zielinska-Michna</a>
<li>2011-10-01  <a href="index-2011-10-01-dziel.htm">Jaromir Dziel</a>
<li>2011-09-01  <a href="index-2011-09-01-rosner.htm">Dirk Rosner</a>
<li>2011-08-01  <a href="index-2011-08-01-brinkmann.htm">Prof. Wilhelm Brinkmann</a>
<li>2011-07-01  <a href="index-2011-07-01-bendig.htm">Frank Bendig</a>
<li>2011-06-01  <a href="index-2011-06-01-sternik.htm">Ryszard Sternik</a>
<li>2011-05-01  <a href="index-2011-05-01-wall.htm">Bill Wall</a>
<li>2011-04-01  <a href="index-2011-04-01-gross.htm">Willi Gross</a>
<li>2011-03-18  <a href="index-2011-03-18-kucharkowski.htm">Jens Kucharkowski</a>
<li>2011-03-01  <a href="index-2011-03-01-kucharkowski.htm">Jens Kucharkowski</a>
<li>2011-02-01  <a href="index-2011-02-01-chulivska.htm">Vita Chulivska</a>
<li>2011-01-11  <a href="index-2011-01-11-olej.htm">Emil Olej</a>
<li>2010-12-19  <a href="index-2010-12-19-grund.htm">Karl Heinz Grund</a>
<li>2010-11-16  <a href="index-2010-11-16-tartakower.htm">Savielly Tartakower</a>
<li>2010-10-20  <a href="index-2010-10-20-bonetti.htm">Shane Bonetti</a>
<li>2010-09-21  <a href="index-2010-09-21-santasiere.htm">Anthony Edward Santasiere</a>
<li>2010-08-24  <a href="index-2010-08-24-woelfelschneider.htm">Peter Woelfelschneider</a>
<li>2010-07-08  <a href="index-2010-07-08-chirpii.htm">Alexandru Chirpii</a>
<li>2010-06-07  <a href="index-2010-06-07-luzuriaga.htm">Dr. Norberto Horacio Luzuriaga</a>
<li>2010-05-08  <a href="index-2010-05-08-bugayev.htm">Nikolai Vasilyevich Bugayev</a>
<li>2010-04-07  <a href="index-2010-04-07-smyslov.htm">Vasily Smyslov</a>
<li>2010-03-15  <a href="index-2010-03-15-meybohm.htm">Dirk Meybohm</a>
<li>2010-03-05  <a href="index-2010-03-05-bulcourf.htm">Carlos Bulcourf</a>
<br>&nbsp;
<br>&nbsp;
<br>&nbsp;
<br>&nbsp;

<p>
<center>
<img border="1" height=220 src=russianchess.jpg>
</center> 







<h2>Play 1.b4 at Chessworld.net!</h2>
<!-- Tryfon's ChessWorld -->
<center>
<a href="http://www.letsplaychess.com/chessclubs/asplogin.asp?from=6313"><img border=0 src="http://www.letsplaychess.com/gif/logos/chessworld_knight_t.gif" alt="The home of Email Chess on the web!"></a>
<h6>
<p>Chessworld.net on behalf of Marek have set up a continuous stream of 1.b4 tournaments. 
<p>These tournaments should always be available to join. As soon as four players are paired, another one will automatically be set up.
</center>
<ul>Available lines:
<li><b>1.b4</b> (4 players, 1 day/move)
<li><b>1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6</b> (4 players, 3 days/move)
<li><b>1.b4 e5 2.Bb2 Bb4 3.f4 ef4 4.Bg7 Qh4 5.g3 fg3 6.Bg2 gh2 7.Kf1 hg1Q 8.Kg1</b> (Kucharkowski-Meybohm gambit, 6 players, 10 days move)
<li><b>1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4</b> (Sokolski gambit, 4 players, 3 days/move)
<li><b>1.c4 Nf6 2.b4</b> (English orangutan, 4 players, 3 days/move)
<li><b>1.e4 c5 2.b4</b> (Sicilian: Wing gambit, 4 players, 10 days/move)
<li><b>1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4</b> (French: Wing gambit, 4 players, 3 days/move)
</ul>
</h6>

<center>
<p><b><i><font color=teal>Click on the logo below, visit Chessworld.net, register and play 1.b4 against the whole world!</font></i></b>
<p>
<!-- Tryfon's ChessWorld -->
<a href="http://www.letsplaychess.com/chessclubs/asplogin.asp?from=6313"><img border=0 src="http://www.letsplaychess.com/gif/logos/chessworld_knight_t.gif" alt="The home of Email Chess on the web!"> 
<!--
<br><b><i>Marek's special recommendation
for demanding net chess players!</i></b></a>
-->
</center>

 
 
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