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Literatur_Sokolski_Opening - compiled by Peter Markus Steiner (in German)


CM Mikael Helin
of Sweden


(photo Lars OA Hedlund)

Click on images to enlarge!
Flag and map source: https://www.cia.gov/library/publications/the-world-factbook/

    
    
    (2021-10-01)
    (All annotations below by Fritz)
    (Games' source: Marek's 1.b4 database)
    
    
    
    [Event "Politiken Cup, Helsingor DEN"]
    [Site "?"]
    [Date "2008.??.??"]
    [Round "?"]
    [White "Asmund, Erik"]
    [Black "Helin, Mikael"]
    [Result "0-1"]
    [WhiteElo "1775"]
    [BlackElo "1930"]
    [PlyCount "94"]
    [EventDate "2008.??.??"]
    
    1. b4 a5 2. b5 c6 3. a4 d5 4. Bb2 Bf5 5. e3 Qb6 6. c4 (6. Nf3 Nf6 $11 (6... e6
    7. Nh4 (7. Be2 Nf6 8. Nh4 Be4 9. Bxf6 gxf6 10. Nc3 Bd6 11. bxc6 Nxc6 12. Rb1
    Nb4 $14 {0.50}) (7. Nc3 Nf6 8. Nh4 Bg4 9. f3 Bh5 10. g4 Bg6 11. g5 Nfd7 12.
    Nxg6 hxg6 $14 {0.31}) (7. c4 Nd7 8. d4 Bb4+ 9. Bc3 Ngf6 10. c5 Qc7 11. Bxb4
    axb4 12. b6 Qd8 $14 {0.59}) 7... Ne7 8. Be2 Nd7 9. O-O e5 10. Nxf5 Nxf5 11.
    Bg4 g6 12. f4 f6 $16 {1.03}) (6... Nh6 7. Be2 f6 8. O-O e5 9. c4 cxb5 10.
    axb5 dxc4 11. Bxc4 Bd6 12. d3 Nd7 $14 {0.41}) (6... Nd7 7. Be2 (7. Nh4 Nh6 8.
    Nxf5 Nxf5 9. Nc3 e6 10. bxc6 bxc6 11. Rb1 Bb4 12. Bd3 O-O $11 {0.22}) 7...
    cxb5 8. Bxb5 Rc8 9. Nc3 Ngf6 10. Rb1 e6 11. Ba3 Qc7 12. Bxf8 Rxf8 $14 {0.37})
    (6... Bg4 7. Bd3 (7. Be2 e6 8. Nc3 Nf6 9. Rb1 c5 10. h3 Bxf3 11. Bxf3 Bd6 12.
    O-O O-O $11 {-0.19}) 7... Nd7 8. h3 Bxf3 9. Qxf3 Ngf6 10. O-O e5 11. Bf5 g6
    12. Bxd7+ Nxd7 $14 {0.31}) 7. Be2 e6 8. Nh4 Be4 9. Nc3 Bd6 10. O-O Nbd7 11.
    f3 Bg6 12. Rb1 c5 $11 {0.12}) 6... Na6 (6... Nf6 7. Nf3 $11 Nbd7 8. d4 dxc4
    9. Bxc4 e6 10. O-O Rc8 11. Nh4 cxb5 12. Bxb5 Bc2 $11 {0.00}) (6... e6 7. Nf3
    Ne7 8. d4 dxc4 9. Bxc4 Nd5 10. O-O Bd6 11. Nbd2 Nc7 12. Nh4 Bg6 $14 {0.62}) (
    6... Nd7 7. d4 (7. Nf3 e6 8. d4 dxc4 9. Bxc4 Ngf6 10. O-O Rc8 11. Nh4 cxb5 12.
    Bxb5 Bc2 $11 {0.00}) (7. cxd5 cxd5 8. Nf3 Rc8 9. Nd4 Bg6 10. f4 Ngf6 11. Be2
    e6 12. O-O Bb4 $11 {0.00}) 7... dxc4 8. Bxc4 Rc8 9. Ne2 e6 10. O-O Ngf6 11.
    Ng3 Bg6 12. Qb3 Be7 $11 {0.03}) (6... Nh6 7. Nf3 (7. cxd5 cxd5 8. Bd4 Qd6 9.
    f4 Nd7 10. Nf3 Rc8 11. Nc3 Nc5 12. Rc1 e6 $11 {0.22}) 7... e6 8. Be2 dxc4 9.
    Bxc4 f6 10. Nd4 e5 11. Nxf5 Nxf5 12. Be6 Nd6 $14 {0.34}) 7. Ba3 (7. d4 dxc4 (
    7... Nf6 $11 8. c5 Nxc5 9. dxc5 Qxc5 10. Bd4 Qd6 11. Nf3 Rc8 12. Nc3 e6 $18 {
    1.41}) 8. Bxc4 Nb4 9. Na3 e6 10. Ne2 Rc8 11. O-O Nf6 12. Ng3 Bg6 $11 {0.03}
    ) 7... Nb4 8. Bxb4 axb4 9. Qb3 (9. bxc6 bxc6 10. cxd5 cxd5 11. Bb5+ Kd8 $11 12.
    Nf3 Qf6 $11 {0.12}) (9. cxd5 cxd5 10. Nf3 e6 11. d4 Bd6 12. Bd3 Ne7 $11 {
    -0.13}) 9... e5 (9... Nf6 10. d4 (10. bxc6 Qxc6 (10... bxc6 11. d4 (11. cxd5
    $15 Qc5 12. Bc4 cxd5 $11 {-0.16}) 11... Qa5 12. Nf3 e6 $11 {0.00}) 11. Nf3
    b5 12. Nd4 bxc4 $15 {-0.38}) 10... e6 11. c5 Qa5 12. Nf3 Be7 $11 {0.06})
    10. d3 (10. bxc6 bxc6 (10... Qxc6 11. d4 dxc4 12. Bxc4 Qxg2 $14 {0.44}) 11.
    cxd5 Ne7 12. dxc6 Nxc6 $14 {0.34} (12... Be6 $14)) 10... Nf6 (10... d4 11. e4
    Be6 (11... Bg4 12. Be2 $15 Bd7 $15 {-0.47}) 12. bxc6 bxc6 $17 {-0.81}) 11.
    Nd2 (11. cxd5 cxd5 12. Nf3 Bd6 $15) 11... Nd7 (11... d4 12. e4 Bd7 $17 {-0.78/7
    } (12... Bg4 13. Be2 $15)) 12. Qd1 (12. bxc6 bxc6 13. cxd5 cxd5 14. Qxd5 Ra5
    $11) 12... Nc5 (12... d4 13. Qf3 Be6 14. a5 Rxa5 15. Rxa5 Qxa5 16. bxc6 bxc6
    17. Qxc6 $17) (12... Bd6 $17 {-0.75}) 13. Nb3 (13. cxd5 cxd5 14. Ngf3 Nd7 $11
    ) 13... Nxb3 (13... dxc4 14. Nxc5 Bxc5 15. dxc4 $17) 14. Qxb3 dxc4 (14... cxb5
    15. cxb5 d4 16. exd4 Qxd4 17. Rc1 $17) 15. dxc4 $15 Be6 16. Nf3 (16. bxc6 bxc6
    17. Bd3 Be7 $15) 16... cxb5 $17 17. Nxe5 (17. Ng5 Bxc4 18. Bxc4 bxc4 19. Qxc4
    Qf6 $11) 17... Qc5 (17... Qc7 18. Nf3 bxc4 19. Qc2 $19) 18. Qb2 (18. Nd3 Qxc4
    19. Qd1 Qc3+ 20. Ke2 $19) 18... Rxa4 $4 (18... bxa4 $142 $5 19. Bd3 Ra5 $19)
    19. cxb5 (19. Rc1 Bd6 20. Nd3 Qg5 $11) 19... Ra3 (19... Rxa1+ 20. Qxa1 Qc3+ 21.
    Qxc3 bxc3 22. Bc4 $15) 20. Nd3 (20. Rc1 Rc3 21. Nd3 Rxc1+ 22. Nxc1 Qc3+ 23. Qd2
    Bd6 $15) 20... Qa7 (20... Qc3+ $5 21. Qxc3 bxc3 (21... Rxc3 $6 22. Ra7 $11) 22.
    Rxa3 Bxa3 $17) 21. Rc1 b3 22. Qe5 Qa5+ 23. Ke2 Ra2+ 24. Kf3 Qd8 25. Nf4 Bd6 (
    25... b2 $142 $5 26. Rb1 Qd6 $11) 26. Qxg7 $16 Rf8 27. Be2 $4 (27. Rd1 $142 $16
    ) 27... Bxf4 $19 28. Rhd1 Bd6 29. Qd4 $4 (29. Qh6 Rg8 30. h3 Rg6 $19) 29... Rg8
    (29... Qg5 $142 30. Rc8+ Bxc8 $19) 30. Qxd6 Qxd6 (30... Qf6+ 31. Ke4 Ra4+ 32.
    Bc4 Qh4+ 33. Qf4 $19) 31. Rxd6 Bg4+ 32. Kf4 Rxe2 33. Rd4 (33. f3 Be6 34. g3
    Rxh2 $19) 33... b2 (33... Rxf2+ 34. Kg3 Rc2 35. Rg1 Be2+ 36. Kf4 $19) 34. Rb1
    Be6 (34... Rxf2+ $142 35. Kg3 Rxg2+ 36. Kxg2 Bf5+ 37. Kf3 Bxb1 $19) 35. Kf3 Rc2
    36. Rb4 Rg6 37. R1xb2 Rf6+ 38. Kg3 Rc5 (38... Rfxf2 $1 39. Rxc2 Rxc2 40. Ra4
    $19) 39. f4 Rc3 40. Kf2 Bc4 41. g3 (41. Ra4 Rb6 42. Ra5 f5 $17) 41... Rd6 (
    41... Rh6 42. h4 $19) 42. b6 (42. Ra4 f5 $17) 42... f5 (42... Rh6 43. h4 $19)
    43. h4 (43. Ra4 Kd7 $19) 43... Rd1 44. Ra4 Rcc1 45. Rab4 $4 (45. Ra5 $142 Bd5
    46. Ra8+ Ke7 47. Ke2 $19) 45... Rf1+ 46. Kg2 Bd5+ 47. Kh2 (47. e4 Bxe4+ 48.
    Rxe4+ fxe4 49. Re2 Rg1+ 50. Kf2 Rcf1+ 51. Ke3 Rxg3+ 52. Kxe4 $19) 47... Rh1#
    0-1
    
    [Event "Politiken Cup, Copenhagen DEN"]
    [Site "?"]
    [Date "2005.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Brinck Claussen, Bjorn"]
    [Result "0-1"]
    [WhiteElo "1950"]
    [BlackElo "2345"]
    [PlyCount "64"]
    [EventDate "2005.??.??"]
    
    1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 cxb4 5. d4 Nc6 6. a3 Bd7 7. axb4 Bxb4+ 8. c3
    Be7 9. Bd3 Rc8 $146 10. h4 (10. O-O Nh6 11. Na3 (11. Bxh6 gxh6 12. Nbd2 Qb6 13.
    Rb1 Qc7 14. Qe2 O-O 15. Qe3 Kg7 16. Qf4 a5) 11... a6 (11... Nf5 12. g4 Nh6 13.
    Nb5 Nxg4 14. h3 a6 15. Nd6+ Bxd6 16. exd6 Nf6) 12. Bxh6 gxh6 13. Qd2 Na5 14.
    Rfb1 Ba4 15. Bc2 b5 16. Qd3 Bxc2) 10... h6 (10... Na5 11. Qc2 (11. O-O Nh6 12.
    Ng5 a6 13. Re1 Qb6 14. Nxh7 Bxh4 15. Bxh6 gxh6 16. Nf6+ Bxf6) 11... Qb6 (11...
    Nh6 12. Bxh6 gxh6 13. O-O Rg8 14. Rc1 b5 15. Nbd2 Qb6 16. Qa2 Nc6) 12. Nbd2 Nh6
    13. Ba3 Bxa3 14. Rxa3 g6 15. O-O Qc7 16. Rfa1 b6) (10... Qb6 11. O-O (11. Na3
    a6 12. O-O Nh6 13. Bxh6 gxh6 14. Qd2 Na5 15. Rfb1 Qc7 16. Nc2 h5) 11... Nh6 12.
    Bxh6 gxh6 13. Qd2 h5 14. Qe2 Rg8 15. Nbd2 Na5 16. Rfb1 Qc7) (10... Nh6 11. Bxh6
    gxh6 12. O-O Bxh4 13. Nxh4 Qxh4 14. Nd2 h5 15. g3 Qg4 16. Be2 Qf5) 11. Ng1 (11.
    h5 Qb6 $15 (11... Na5 12. Na3 Qb6 13. Rb1 Qc7 14. O-O Qxc3 15. Nb5 Bxb5 16.
    Bxb5+ Kf8) 12. Nbd2 Na5 13. Rb1 Qc6 14. Bb2 Bd8 15. O-O Ne7 16. Nh4 Nc4) (11.
    Na3 a6 12. Bd2 Na5 13. Ra2 h5 14. Ng5 Nh6 15. O-O g6 16. Qf3 Nf5) (11. O-O Bxh4
    12. Nbd2 Be7 13. Nb3 h5 14. Nc5 Bxc5 15. dxc5 Nh6 16. c4 dxc4) 11... Na5 (11...
    h5 12. Nd2 Bxh4 13. Kf1 g6 14. Nb3 Be7 15. Nf3 Nh6 16. Bxh6 Rxh6) (11... Qb6
    12. Nd2 h5 13. Ngf3 Na5 14. Qc2 Nh6 15. Ba3 Bxa3 16. Rxa3 Nc6) 12. Qg4 (12. Nf3
    Qb6 13. O-O Nb3 14. Ra2 Nxc1 15. Qxc1 a5 16. Nbd2 Qc7) 12... Bf8 (12... Kf8 13.
    Ne2 h5 14. Qf3 Nb3 15. Rxa7 Nxc1 16. Nxc1 Qb6) 13. Bc2 (13. Ba3 Ne7 $15 14.
    Bxe7 Kxe7 15. Ne2 Nc4 16. O-O Nb2) (13. Ne2 Nb3 14. Rxa7 Na5 15. O-O Qb6 16.
    Rxa5 Qxa5) 13... Qb6 14. Ra3 (14. Ne2 $5 $17 Ne7 15. O-O Nf5 16. Nd2 h5) 14...
    h5 $19 (14... Bxa3 $6 15. Bxa3 g6 16. Qf3 $17 (16. Qf4 Bb5) 16... Bb5) (14...
    Ne7 15. Ne2 Nf5 16. Ra2 h5) 15. Qg5 (15. Qg3 Bxa3 (15... Nh6 16. Ne2 Bxa3) 16.
    Bxa3 g6 $17) 15... g6 16. Qg3 (16. Ne2 Be7 $19 {-1.90} (16... Bxa3 17. Nxa3
    $19)) 16... Nh6 (16... Bxa3 17. Nxa3 Nb3 18. Bxb3 Qxb3 19. Ne2 $19) 17. f3 $2 (
    17. Ra2 Nf5 18. Qf3 Nb3 $17) 17... Bb5 (17... Bxa3 18. Bxa3 Nf5 19. Qg5 $19)
    18. Bxg6 $2 (18. Ra2 $142 $17) 18... Rg8 $19 19. Bxf7+ Kxf7 20. Qf4+ Nf5 (20...
    Ke8 $142 21. Ra2 Bd3 $19) 21. Nh3 (21. g4 Bh6 22. g5 $19) 21... Rxg2 22. Ng5+ (
    22. Rh2 Rxh2 23. Qxh2 Bd3 24. Ng5+ Ke8 25. Rxa5 Qxa5 $19) 22... Kg6 (22... Ke8
    $142 23. Rh2 Rg1+ 24. Kf2 Rf1+ 25. Kg2 Bxa3 26. Nxa3 Rxc3 27. Bb2 $19) 23. Ra2
    (23. Rh2 Rg1+ 24. Kf2 Rf1+ 25. Kg2 Bxa3 26. Nxa3 Rxc3 27. Nxe6 Qxe6 28. Qg5+
    Kf7 29. Qxh5+ Kf8 30. Qh8+ Qg8+ 31. Qxg8+ Kxg8 32. Nxb5 Rcxc1 33. Kh3 $19)
    23... Rxa2 24. Rg1 Re2+ 25. Kd1 Bd3 26. Ne4+ Kf7 27. Nd6+ Bxd6 28. Rg7+ Ke8 29.
    Rg8+ Kd7 30. Rg7+ Nxg7 31. Qf7+ Be7 32. Nd2 Rxd2+ $1 (32... Rxd2+ 33. Ke1 Re2+
    34. Kf1 Qb1 35. Qxe7+ Kxe7 36. c4 Qxc1#) 0-1
    
    [Event "34th Rilton Cup, Stockholm SWE"]
    [Site "?"]
    [Date "2004.??.??"]
    [Round "1"]
    [White "Helin, Mikael"]
    [Black "Nygren, D."]
    [Result "0-1"]
    [WhiteElo "1960"]
    [BlackElo "2200"]
    [PlyCount "112"]
    [EventDate "2004.??.??"]
    
    1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 cxb4 5. d4 Nc6 6. a3 f5 $146 7. axb4 (7. Bd3
    Qb6 $11 (7... Nh6 8. c3 (8. O-O Be7 (8... Bd7 9. c3 a5 10. Bg5 Qb8 11. h3 Nf7
    12. Bh4 h6 13. axb4 axb4) (8... a5 9. c3 Bd7 10. Bg5 Qb8 11. h3 Nf7 12. Bh4 h6
    13. axb4 axb4) (8... Qb6 9. axb4 Bxb4 10. c3 Be7 11. Na3 Nf7 12. Nb5 O-O 13.
    Ba3 Bd7) (8... Nf7 9. c3 bxc3 10. Nxc3 Be7 11. h3 O-O 12. Qb3 Na5 13. Qb2 Qb6)
    9. axb4 Nxb4 10. Bxh6 gxh6 11. Nc3 O-O 12. Qd2 Bd7 13. Qxh6 Rc8) 8... bxc3 (
    8... Qa5 9. O-O bxc3 10. Qb3 c2 11. Nc3 Be7 12. Qxc2 O-O 13. Bd2 a6) (8... bxa3
    9. Nxa3 Nf7 10. O-O Be7 11. Be3 O-O 12. h3 Bd7 13. Qd2 a6) (8... b3 9. Nbd2 Be7
    10. O-O O-O 11. Nxb3 Nf7 12. h3 Bd7 13. Bf4 Na5) 9. Nxc3 Be7 10. O-O Nf7 11.
    Qb3 O-O 12. Rb1 g5 13. Ne2 g4) 8. O-O (8. axb4 Bxb4+ 9. c3 Ba5 10. O-O Nge7 11.
    Qc2 Bd7 12. Ba3 O-O 13. Nbd2 Qd8) 8... Nh6 (8... Bd7 9. axb4 Nxd4 10. c3 Nxf3+
    11. Qxf3 Ne7 12. Be3 Qc7 13. Qg3 Kf7) 9. axb4 Bxb4 10. c3 Be7 11. Na3 Nf7 12.
    Qc2 O-O 13. Bf4 a6) (7. Be2 Qb6 (7... Nh6 8. O-O (8. c3 bxc3 (8... Qa5 9. O-O
    bxc3 10. Qb3 Be7 11. Nxc3 O-O 12. Bxh6 gxh6 13. Nb5 Qb6) 9. Nxc3 Be7 10. O-O
    Nf7 11. h3 O-O 12. Bf4 Bd7 13. Qd3 Na5) 8... Bd7 (8... Be7 9. axb4 Nxb4 10. c4
    Bd7 11. Qb3 O-O 12. Nc3 Bc6 13. Bxh6 gxh6) (8... Qa5 9. c3 bxc3 10. Qb3 Qb6 11.
    Qxb6 axb6 12. Nxc3 Kf7 13. Rb1 Be7) (8... Nf7 9. c3 bxc3 10. Nxc3 Be7 11. Bd2
    O-O 12. Qc2 g5 13. Qd3 g4) 9. c3 a5 10. c4 Qb6 11. cxd5 exd5 12. axb4 Bxb4 13.
    Qd3 Be7) (7... Be7 8. O-O (8. c3 bxc3 (8... bxa3 9. Nxa3 Nh6 10. O-O O-O 11.
    Bxh6 gxh6 12. c4 dxc4 13. Bxc4 Na5) (8... Qa5 9. O-O Nh6 10. cxb4 Bxb4 11. Qb3
    Be7 12. Nc3 O-O 13. Bxh6 gxh6) (8... Nh6 9. axb4 O-O 10. O-O Bd7 11. Bxh6 gxh6
    12. b5 Na5 13. Nbd2 Rc8) 9. Nxc3 Nh6 10. O-O Nf7 11. Qb3 O-O 12. h3 Na5 13. Qb2
    Nc4) 8... Qa5 (8... Bd7 9. axb4 Bxb4 10. Bd2 Nge7 11. Na3 O-O 12. c3 Bxa3 13.
    Rxa3 Na5) (8... Nh6 9. axb4 Bxb4 10. c3 Be7 11. c4 Nb4 12. Nc3 O-O 13. Qb3 a5)
    9. c3 Nh6 10. cxb4 Bxb4 11. Qb3 Be7 12. Bxh6 gxh6 13. Nc3 O-O) 8. O-O (8. h3
    Nh6 (8... Bd7 9. O-O Nh6 10. c4 dxc4 11. axb4 Nxb4 12. Bxc4 Be7 13. Nc3 Rc8) (
    8... Be7 9. O-O g5 10. Bxg5 Bxg5 11. Nxg5 Qxd4 12. Nd2 Nxe5 13. axb4 Nf6) (8...
    a5 9. O-O Nh6 10. c4 Bd7 11. Be3 Be7 12. cxd5 exd5 13. axb4 Nxb4) (8... a6 9.
    O-O Nh6 10. axb4 Bxb4 11. c3 Be7 12. c4 dxc4 13. Bxc4 Nf7) 9. O-O Bd7 10. c4
    dxc4 11. axb4 Nxb4 12. Bxc4 Be7 13. Nc3 Rc8) (8. g3 Nh6 (8... Bd7 9. O-O Nh6
    10. c4 dxc4 11. d5 Na5 12. Be3 Qb5 13. axb4 Bxb4) 9. O-O Bd7 10. c4 dxc4 11. d5
    Na5 12. axb4 Bxb4 13. Be3 Qb5) 8... Bd7 (8... Nh6 9. axb4 Bxb4 10. c3 Be7 11.
    c4 dxc4 12. Bxc4 Nf7 13. Ba3 Bxa3) (8... Rb8 9. axb4 Bxb4 10. c3 Ba5 11. Qc2
    Nge7 12. Nbd2 Qd8 13. Nb3 Bb6) 9. c4 dxc4 10. axb4 Nxb4 11. Bxc4 Rc8 12. Qb3
    Ne7 13. Nc3 Qc6) 7... Bxb4+ 8. c3 Be7 (8... Ba5 9. Qc2 $15 (9. Bb5 Nge7 10. Bg5
    Bd7 11. Qb3 Qb6 12. Bxe7 a6 13. Rxa5 Kxe7) 9... Nge7 10. Bd3 Bd7 11. O-O O-O
    12. Nbd2 Rc8 13. Qb2 Ng6) 9. Bd3 $11 Nh6 10. h3 (10. Bxh6 gxh6 11. Na3 O-O 12.
    O-O a6 13. Qd2 Kg7) 10... Nf7 (10... O-O 11. O-O Bd7 12. Bxh6 gxh6 13. Qd2 f4)
    11. g4 (11. O-O O-O $11 12. Bf4 Bd7 13. Na3 a6) (11. Nbd2 O-O 12. O-O a5 13.
    Ba3 Bd7) 11... g6 (11... O-O 12. Nbd2 $17 h6 13. gxf5 exf5) 12. Qe2 (12. gxf5
    exf5 13. Nbd2 (13. Qb3 O-O) 13... O-O $15) 12... O-O $17 (12... Bd7 13. gxf5
    gxf5) 13. gxf5 exf5 14. h4 (14. Na3 Be6 $17) 14... Be6 15. Ng5 (15. Qb2 $5 $17)
    15... Nxg5 $19 16. hxg5 (16. Bxg5 Bxg5 17. hxg5 Qxg5 $19) 16... Rc8 (16... Bxg5
    17. Bxg5 Qxg5 18. Nd2 $19) 17. Bd2 (17. Ba3 Bxa3 18. Nxa3 Qxg5 $17) 17... Bxg5
    (17... f4 18. Na3 $19) 18. f4 (18. Bxg5 Qxg5 19. Nd2 Rc7 $19) 18... Bh4+ (18...
    Be7 19. Na3 $19) 19. Kf1 Be7 20. Be1 Qb6 21. Ra2 Rf7 (21... Na5 22. Rb2 Qc6 23.
    Ra2 $19) 22. Rb2 Qc7 23. Qh2 (23. Nd2 a5 24. Ra2 Ra8 $19) 23... Na5 (23... a5
    24. Rg2 Rg7 25. Bh4 Bxh4 26. Qxh4 $19) 24. Rg2 Rg7 25. Rg3 Nc4 (25... Qb6 26.
    Qa2 $19) 26. Rh3 (26. Qa2 a5 $19) 26... Bd8 (26... h5 27. Qa2 $19) 27. Be2 (27.
    Qa2 Qb6 $19) 27... a5 28. Qg3 (28. Nd2 Nxd2+ 29. Bxd2 a4 $19) 28... Qf7 (28...
    g5 29. Rg1 a4 30. Rh6 $19) 29. Bxc4 (29. Nd2 Na3 $19) 29... dxc4 30. Na3 (30.
    Qe3 Bd5 31. Rg1 b5 $19) 30... Be7 31. Nc2 a4 (31... Bd5 32. Rg1 Be4 33. Ne3 $19
    ) 32. R1h2 (32. Ne3 Bd5 33. Nxd5 Qxd5 $19) 32... a3 33. Ne3 Ra8 34. Ra2 g5 35.
    Qg2 (35. Qf2 Ra5 $19) 35... gxf4 36. Qxb7 Rd8 (36... fxe3 $6 37. Qxa8+ Bf8 38.
    Rg3 (38. Rxe3 $143 f4 39. Rf2 Bd5 $19 (39... fxe3 $6 40. Rxf7 Rxf7+ 41. Ke2
    Bg4+ 42. Kxe3 $16)) (38. Rxa3 f4 39. Rh2 f3 $19) 38... Rxg3 39. Bxg3 $19) 37.
    Ng2 (37. Bh4 fxe3 38. Qxe7 Qxe7 39. Bxe7 f4 $19) 37... Bd5 38. Qb6 Rxg2 (38...
    Rg6 $142 $5 39. Qxg6+ hxg6 40. Nxf4 $19) 39. Rxg2+ Bxg2+ 40. Kxg2 Qg6+ 41.
    Qxg6+ hxg6 42. Bd2 (42. Bf2 Rb8 43. Rh1 $19) 42... Rb8 43. Rh1 (43. Rh6 Kg7 44.
    Rh1 Rb2 $19) 43... Rb2 44. Kf3 Rxd2 45. Kxf4 Kf7 46. Rh7+ Ke8 (46... Ke6 $142
    47. Rg7 g5+ 48. Ke3 Rd3+ 49. Ke2 $19) 47. Rh8+ Kd7 48. Ra8 (48. Rg8 Rg2 49. Ra8
    Rf2+ 50. Ke3 Rc2 51. Ra7+ Ke8 $19) 48... Rf2+ 49. Ke3 Rc2 50. d5 (50. Kf4 $19)
    50... Bc5+ 51. Kf4 Rxc3 52. Kg5 Rd3 53. Kxg6 Rxd5 54. Kxf5 c3 55. Kf6 c2 56.
    e6+ Kc7 (56... Kc7 57. e7 Bxe7+ 58. Kg7 c1=Q 59. Ra7+ Kc6 60. Ra6+ Kb5 61. Rf6
    Bxf6+ 62. Kf7 Bh8 63. Ke6 Qc7 64. Kxd5 Qc6#) 0-1
    
    [Event "Gibtelecom Masters Catalan Bay ENG"]
    [Site "?"]
    [Date "2007.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Spence, D."]
    [Result "0-1"]
    [WhiteElo "1950"]
    [BlackElo "2165"]
    [PlyCount "68"]
    [EventDate "2007.??.??"]
    
    1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 cxb4 5. d4 Nc6 6. a3 f6 7. axb4 Bxb4+ 8. c3
    Be7 9. Bd3 Qc7 $146 10. Kf1 (10. Bf4 Qb6 $11 (10... Nh6 11. Na3 (11. exf6 Qxf4
    12. fxe7 Qf6 13. O-O Qxe7 14. Qc2 g6 15. Qd2 Nf5 16. Bxf5 gxf5) 11... O-O (
    11... fxe5 12. Nb5 Qb6 13. Nxe5 O-O 14. Nd7 Bxd7 15. Bc7 Qxc7 16. Nxc7 Rac8)
    12. Nb5 Qd8 13. Qc2 Nf5 14. O-O g6 15. exf6 Rxf6 16. Bc7 Qf8) (10... fxe5 11.
    Nxe5 Nf6 12. Ng6 e5 13. Nxe5 Nxe5 14. dxe5 O-O 15. Be2 Nd7 16. Qxd5+ Kh8) 11.
    Nbd2 (11. O-O fxe5 12. Nxe5 Nxe5 13. dxe5 Nh6 14. Qh5+ Nf7 15. Bxh7 Qb2 16. Nd2
    Qxc3) 11... fxe5 12. Nxe5 Nxe5 13. Bxe5 Nf6 14. Rb1 Qa5 15. Qc2 O-O 16. O-O h6)
    10... Nh6 (10... fxe5 11. Nxe5 (11. dxe5 Nh6 12. Bxh6 gxh6 13. Qe2 Na5 14. Nd4
    O-O 15. h4 Nc6 16. Nxc6 Qxc6) 11... Nf6 (11... Nxe5 12. Bf4 Nf6 13. Bxe5 Bd6
    14. Bxd6 Qxd6 15. Qe2 O-O 16. g3 Bd7) 12. Bf4 $17 O-O 13. g3 Nxe5 14. Bxe5 Bd6
    15. Bxd6 Qxd6 16. Kg2 Bd7) 11. Na3 (11. exf6 Bxf6 12. Bxh6 (12. Na3 O-O 13. Nb5
    Qd7 14. Qc2 Kh8 15. Bxh7 Nf5 16. Bxf5 exf5) 12... gxh6 $15 13. Na3 O-O 14. Nb5
    Qe7 15. Qd2 e5 16. dxe5 Nxe5) 11... Nf7 (11... Bxa3 $142 12. Rxa3 (12. Bxa3
    fxe5 13. dxe5 Nxe5 14. Nxe5 Qxe5 15. g3 Bd7 16. Kg2 Qxc3) 12... fxe5 13. Bxh6 (
    13. dxe5 O-O 14. Bxh6 gxh6 15. Qe1 Qg7 16. Qe3 Bd7) 13... e4 $17 14. Be3 exd3
    15. Qxd3 O-O 16. Ng5 g6) (11... fxe5 12. Nb5 Qb6 13. Bxh6 gxh6 14. dxe5 O-O 15.
    Qd2 Kg7 16. h4 Bd7) 12. h4 $2 (12. exf6 Bxf6 (12... gxf6 13. Nb5 Qb8 14. c4
    dxc4 15. Bxc4 a6 16. Nc3 Qc7) 13. Kg1 (13. Nb5 Qb8 14. g3 O-O 15. Kg2 e5 16.
    dxe5 Nfxe5) 13... a6 $17 14. h4 h6 15. Rh3 Bd7 16. Rg3 O-O-O) (12. Nb5 Qb8 13.
    exf6 gxf6 14. c4 dxc4 15. Bxc4 a6 16. Nc3 Qc7) 12... Bd7 (12... fxe5 13. Nb5
    Qb8 14. dxe5 $19) 13. Rh3 $2 (13. exf6 $142 Bxf6 14. Nb5 $17) 13... fxe5 $19
    14. dxe5 Ncxe5 15. Bf4 Bd6 16. Nd4 (16. Nb5 Bxb5 17. Bxb5+ Nc6 18. Bxd6 Qxd6
    19. Bxc6+ bxc6 $19 (19... Qxc6 $6 20. Nd4 Qc4+ 21. Kg1 $17)) 16... Nxd3 (16...
    Qxc3 17. Nab5 Nxd3 18. Nxc3 Nxf4 19. Re3 $11) 17. Nab5 (17. Bxd6 Nxd6 18. Rxd3
    $19) 17... Bxb5 (17... Nxf4 $143 18. Nxc7+ Bxc7 19. Re3 $19) 18. Nxb5 Qc4 (
    18... Nxf4 $6 19. Nxc7+ Bxc7 20. Re3 $19) 19. Nxd6+ Nxd6 20. Ra4 (20. Bxd6 Nf4+
    21. Kg1 Nxh3+ 22. gxh3 Qxh4 $19 (22... Qxc3 23. Rc1 Qf6 24. Rc7 Qg6+ 25. Kh2
    $16)) 20... Nxf2+ $1 21. Rxc4 (21. Kxf2 Ne4+) 21... Nxd1 (21... Nxc4 22. Qa4+
    Kd8 23. Kxf2 $18) 22. Rc7 (22. Rd4 O-O 23. Rf3 Rxf4 24. Rdxf4 Rc8 $19) 22...
    O-O 23. g3 (23. Rf3 Nc4 $19) 23... e5 24. Ke2 Nxc3+ $1 25. Rxc3 exf4 26. gxf4
    Rae8+ 27. Kd1 Rxf4 28. h5 (28. Rcf3 Rfe4 $19) 28... Ne4 29. Rce3 d4 30. Rhf3 (
    30. Ref3 Nf2+ 31. Rxf2 Rxf2 32. h6 $19) 30... dxe3 31. Rxf4 Nc3+ 32. Ke1 Rd8
    33. Kf1 Rd1+ (33... e2+ 34. Kg2 e1=Q 35. Rf2 Ne4 36. Rd2 Qg3+ 37. Kh1 Rxd2 38.
    h6 Qe1#) 34. Kg2 $19 e2 (34... e2 35. h6 e1=Q 36. Rf6 Qg1+ 37. Kh3 gxf6 38. Kh4
    Qg5+ 39. Kh3 Rh1#) 0-1
    
    [Event "ELO Stockholm SWE"]
    [Site "?"]
    [Date "2000.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Sjodin, Be"]
    [Result "1-0"]
    [WhiteElo "2135"]
    [BlackElo "2165"]
    [PlyCount "63"]
    [EventDate "2000.??.??"]
    
    1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 cxb4 5. d4 Ne7 6. a3 Nf5 (6... bxa3 7. c3 Nf5
    8. Bd3 Be7 9. Nxa3 O-O 10. g4 Nh4 11. Nb5 Nxf3+ 12. Qxf3 a6 13. Qh3 g6 14. Bh6
    Re8 15. Bf4 Bg5 16. Bxg5 Qxg5 17. Nc7 Ra7 18. Nxe8 Bd7 19. Nf6+ Kg7 20. Qxh7+
    Kf8 21. Qg8+ {marre-oppo/internet 2010/1-0}) 7. axb4 Bxb4+ 8. c3 Be7 9. g3 $146
    (9. Ba3 O-O 10. Bd3 {1/2-1/2 NN-NN}) (9. Bd3 O-O 10. h4 g6 11. g4 Nxh4 12. Rxh4
    Bxh4 13. g5 h6 14. Nxh4 hxg5 15. Nf3 f6 16. Qe2 g4 17. Nh4 f5 18. Nxg6 Rf7 19.
    Be3 Rh7 20. Nd2 Rh1+ 21. Nf1 Kf7 22. Nf4 a5 23. Qd2 b5 {
    Wirig,A (2220)-Horber,J (2105)/Open, Cannes FRA 2000/1-0 (34)}) (9. Bd3 O-O $15
    ) 9... Bd7 10. Bd3 Nc6 11. h4 h6 12. Kf1 (12. Qb3 Bc8 $15) 12... a6 13. Nbd2
    Na5 (13... O-O 14. Kg2 $17) 14. Kg2 b5 15. g4 Nxh4+ 16. Nxh4 Bxh4 17. Rxh4 Qxh4
    18. Rxa5 f5 (18... h5 19. gxh5 Rxh5 $15 (19... Qxh5 $143 20. Qxh5 Rxh5 21. Nb3
    $16)) 19. Ba3 $4 (19. gxf5 exf5 20. Nb3 h5 $14) 19... Kf7 $4 (19... fxg4 $142
    $5 20. Qc2 g5 $17) 20. Nb3 (20. gxf5 exf5 21. Nb3 Qg5+ 22. Kf1 f4 $16) 20... h5
    (20... fxg4 $142 $5 21. Nc5 Qh3+ 22. Kg1 Bc6 $11) 21. gxf5 $16 exf5 22. Nc5 Bc8
    (22... Qg5+ $142 23. Kf1 Be6 $16) 23. e6+ Kf6 (23... Bxe6 24. Rxa6 {Deflection}
    ) 24. Qe1 (24. Bxb5 Bxe6 25. Bc6 Rad8 $16) 24... Qg4+ 25. Kf1 Qh3+ 26. Ke2 Bxe6
    $2 (26... Ra7 $142 $16) 27. Kd2 $18 (27. Nxe6 Rhe8 (27... Kxe6 $4 28. Kd1+ Kf7
    29. Qe7+ Kg6 30. Qe6+ Kh7 31. Bxf5+ Qxf5 32. Qxf5+ Kg8 33. Qxd5+ Kh7 34. Qe4+
    Kh6 35. Bc1+ g5 36. Qe6+ Kg7 37. Bxg5 $18) 28. Bd6 Kxe6 $15) 27... Rhe8 28.
    Bxb5 $1 Re7 (28... axb5 29. Qe5+ {Double attack} (29. Qe5+ {Decoy})) 29. Nd7+
    $3 Kf7 (29... Bxd7 30. Bxe7+ {Double attack} (30. Bxe7+ {Discovered attack}) (
    30. Qxe7+ {Pinning}) (30. Qxe7+ {Deflection}) (30. Bxe7+ {Decoy})) (29... Rxd7
    30. Bc6 {Double attack} (30. Bc6 {Decoy})) 30. Ne5+ Kf6 (30... Kg8 31. Bxe7 Qh2
    32. Qe3 $18) 31. Bxe7+ (31. Qg1 $142 Qg4 32. Nxg4+ hxg4 33. Bxe7+ Kxe7 $18)
    31... Kxe7 32. Ng6+ (32. Ng6+ Kf6 33. Nf4 $18 (33. Bxa6 $6 Qh2 $18)) 1-0
    
    [Event "Solett Open Skelleftea SWE"]
    [Site "?"]
    [Date "2001.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Lonngren, T."]
    [Result "0-1"]
    [WhiteElo "2065"]
    [BlackElo "2060"]
    [PlyCount "75"]
    [EventDate "2001.??.??"]
    
    1. e4 c5 2. b4 cxb4 3. d4 e6 4. a3 d5 (4... bxa3 5. c3 Nf6 6. Bd3 d5 7. e5 Nfd7
    8. Bxa3 Bxa3 9. Nxa3 a6 10. Nb5 O-O 11. Nh3 Qh4 12. O-O Nc6 13. f4 f6 14. Nc7 {
    pcmvr (2735)-diggitus (2325)/net-chess.com 2007}) (4... Nf6 5. Bd3 Qa5 6. Nf3
    bxa3+ 7. Bd2 Qh5 8. Nxa3 Nc6 9. Nb5 Kd8 10. e5 Nd5 11. O-O a6 12. Be2 axb5 13.
    Rxa8 Qg4 14. Ng5 Qxd4 15. Nxf7+ Kc7 16. Nxh8 Qxe5 17. Nf7 Qf6 18. Ng5 Bd6 19.
    Bd3 {marre-oppo/internet 2010/1-0}) 5. axb4 $146 (5. e5 Nc6 6. f4 Qa5 7. Qd2
    Bd7 8. Nf3 O-O-O 9. Bb2 f6 10. axb4 Qxb4 11. Bc3 Qb6 12. Na3 Bxa3 13. Rxa3 Qb1+
    14. Kf2 b5 15. Rb3 Qa2 16. Bxb5 a6 17. Bd3 Nh6 18. Ra1 Qxa1 19. Bxa1 Ng4+ {
    pereira-opponent/internet 2009/1-0}) 5... dxe4 (5... Bxb4+ 6. Bd2 (6. c3 Be7 7.
    e5 Bd7 8. Qg4 g6 9. Ba3 Nc6 10. Nf3) 6... Qb6 (6... Be7 7. e5 Nc6 8. Be3 Bd7 9.
    Nd2 Qc7 10. c4) (6... Bxd2+ 7. Nxd2 dxe4 8. Nxe4 Nf6 9. Bb5+ Nc6 10. Nxf6+) 7.
    Bxb4 Qxb4+ 8. c3 $15 Qb2 9. Nd2 Ne7 10. Ne2) 6. c3 Nf6 7. f3 (7. Bg5 Nbd7 $15
    8. Bb5 Qb6 9. Qe2 Nd5 10. Bd2) 7... e3 (7... Bd7 8. Bg5 h6 9. Bxf6 Qxf6 10. Nd2
    $15) 8. Bxe3 $11 Be7 (8... Bd6 9. Bd3 $11 Qc7 10. g3) 9. Bd3 O-O (9... Bd6 10.
    Ne2) 10. Qc2 Nbd7 11. h4 (11. Ne2 Nb6 $11) 11... e5 12. Nh3 (12. g4 a6 $11)
    12... exd4 (12... h6 13. Bf2 $15) 13. Bxd4 $11 Bd6 14. Ng5 (14. Bxa7 $2 Re8+
    15. Be4 Bb8 16. Bxb8 Rxa1 $19 (16... Rxb8 $6 17. Nf2 $11)) 14... h6 15. Nd2 (
    15. Ne4 Re8 $15) 15... Ne5 (15... hxg5 16. hxg5 Re8+ 17. Be2 $11) 16. O-O-O (
    16. Nge4 $5 $15) 16... Nxd3+ (16... hxg5 $6 17. hxg5 g6 18. gxf6 $14) 17. Qxd3
    Bf4 (17... hxg5 18. hxg5 Bf4 19. gxf6 $18) 18. g4 $4 (18. Nh3 $142 Bxh3 19.
    Rxh3 $17) 18... hxg5 $19 19. hxg5 Bxg5 20. Kb2 (20. Qe2 Bf4 $19) 20... a5 21.
    Qc2 axb4 $4 (21... Re8 22. Bxf6 Bxf6 $19 (22... gxf6 23. Ne4 Qc7 24. Nxg5 $18)
    (22... Qxf6 $6 23. Qh7+ Kf8 24. Ne4 Qxf3 25. Nxg5 Qe2+ 26. Kb1 Bxg4 27. Rdf1
    $17)) 22. Bxf6 $17 bxc3+ 23. Bxc3 Qb6+ 24. Nb3 (24. Kc1 f5 25. Rh5 Bxd2+ 26.
    Qxd2 fxg4 27. Qg5 $15) 24... Qg6 (24... f5 $5 $19) 25. Qh2 (25. Qxg6 fxg6 26.
    Nd4 Bf6 $15) 25... f6 $17 26. f4 (26. Qh5 Qxh5 27. gxh5 Be6 $17) 26... Bh6 (
    26... Bxg4 $142 27. fxg5 Bxd1 28. gxf6 Bxb3 29. Qh8+ Kf7 30. Qxg7+ Qxg7 31.
    fxg7 Rfd8 32. Kxb3 b6 $17) 27. f5 $14 Qe8 (27... Qf7 $142 28. Bd2 Qe7 29. Bxh6
    Qa3+ (29... gxh6 $6 30. Rd6 $11 (30. Qxh6 $143 Bxf5 31. Qh8+ Kf7 32. Qh5+ Bg6
    33. Qd5+ Kg7 $17)) 30. Kc3 Bxf5 (30... gxh6 31. Ra1 Qe7 32. Rxa8 $18) 31. gxf5
    Rfc8+ 32. Kd2 Qxb3 $19) 28. Qg2 $4 (28. Bb4 $142 $5 Ra6 29. Bxf8 Qxf8 30. Qc2
    $14) 28... Qc6 (28... Rf7 $5 $17) 29. Qd5+ (29. Qxc6 bxc6 30. Nc5 Ba6 $11)
    29... Qxd5 $15 30. Rxd5 Ra4 31. Rg1 (31. Bd4 Re8 $15) 31... Re8 32. Nc5 (32.
    Re1 Rxe1 33. Rd8+ Kf7 34. Bxe1 Rc4 $15) 32... Rf4 (32... Rc4 33. Kb3 b5 34. Nd3
    $15) 33. Rg2 (33. Re1 $5 Kf8 34. Rxe8+ Kxe8 35. Rd4 $15) 33... b6 $17 34. Nd3
    Rf1 (34... Rfe4 35. Rd6 Be3 36. Kc2 $17) 35. Rd6 Bb7 36. Rh2 (36. Rg3 Rf3 37.
    Rxf3 Bxf3 38. Rxb6 Bxg4 $17) 36... Be4 (36... Bf3 $142 $5 37. Rd4 Be3 $19) 37.
    Re2 $15 Rd1 38. Rxe4 0-1
    
    [Event "24th Politiken Cup"]
    [Site "?"]
    [Date "2002.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Lonborg, M."]
    [Result "0-1"]
    [WhiteElo "2060"]
    [BlackElo "2150"]
    [PlyCount "80"]
    [EventDate "2002.??.??"]
    
    1. e4 c5 2. b4 cxb4 3. a3 e5 4. Bc4 Nc6 (4... Nf6 5. Nf3 (5. axb4 Bxb4 6. Qe2
    O-O 7. Nf3 Nc6 8. Ba3 d6 9. Bxb4 Nxb4 {
    0-1 chessleon (2055)-clavecinist (2090)/net-chess.com 2008}) 5... Nxe4 6. d3
    Nc5 7. axb4 Bd6 8. bxc5 O-O 9. cxd6 b6 10. Bg5 Qe8 11. Be7 Ba6 12. Bxa6 Nxa6
    13. Bxf8 Qxf8 14. Rxa6 Qxd6 15. O-O Qe7 16. Nc3 Qb4 17. Qa1 Qf8 18. Nxe5 d6 19.
    Nd7 {yourmove (2795)-fslorenzo/net-chess.com 2008/1-0}) 5. axb4 $146 (5. Nf3
    Be7 6. axb4 Bxb4 7. c3 Bc5 8. d4 exd4 9. cxd4 Bb4+ 10. Kf1 Qe7 11. e5 d6 12.
    Ra2 dxe5 13. d5 Nb8 14. Nxe5 Nf6 15. Bb5+ Kf8 16. Re2 Qc5 17. Bc4 Nbd7 18. Be3
    Qd6 19. Nd3 Nb6 {Rubinstein,P-Garcia Vera,R/Buenos Aires 1952/1-0 (35)}) 5...
    Bxb4 6. f4 $2 (6. c3 $5 Ba5 7. Qb3 $15) 6... Nf6 (6... exf4 7. c3 Qh4+ 8. Kf1
    $17) 7. c3 $17 Bc5 8. d3 O-O (8... exf4 9. d4 Be7 10. Qf3 $17) 9. f5 (9. Nf3 $5
    exf4 10. d4 $17) 9... d5 $19 10. exd5 Nxd5 11. Kf1 (11. Qf3 $142 Nxc3 $1 12.
    Nxc3 Bxg1 13. Rb1 $19) 11... Bxf5 12. Nf3 (12. Qf3 Be6 $19) 12... Nb6 13. Bg5 (
    13. Bb5 a6 14. Bxc6 Bxd3+ 15. Ke1 bxc6 16. Ba3 Bxa3 17. Nxa3 $19) 13... Nxc4
    14. Bxd8 Ne3+ 15. Ke2 Nxd1 (15... Nxd8 16. Qa4 Nc6 17. d4 exd4 18. cxd4 $17)
    16. Bh4 (16. Rxd1 Rfxd8 17. Na3 Rd7 $19) 16... Ne3 (16... Nb2 17. Ne1 $19) 17.
    Ne1 (17. Bf2 Nc2 18. Bxc5 Nxa1 19. Bxf8 Kxf8 $19) 17... Nd5 (17... Bg4+ 18. Kd2
    $19) 18. h3 (18. Bg5 h6 19. Bd2 Rfe8 $19) 18... Rfe8 (18... Nf4+ 19. Kd2 f6 20.
    Rf1 $19) 19. g4 (19. Rf1 Nf4+ 20. Kd1 f6 $19) 19... Bg6 20. Kd2 (20. Bg5 e4 21.
    d4 e3 22. dxc5 Bxb1 23. Rxb1 Nxc3+ 24. Kd3 Nxb1 $19) 20... f6 21. Kc2 (21. Rh2
    e4 22. dxe4 Rxe4 $19) 21... Rad8 22. Nd2 Nf4 23. Ne4 {White intends g5} (23.
    Nb3 Nxd3 24. Nxd3 Bxd3+ 25. Kb2 Bb6 $19) 23... Nxd3 $1 24. Nxc5 (24. Nxd3 Bxe4
    {Double attack} (24... Bxe4 {Decoy}) (24... Bxe4 {Remove defender})) 24...
    Nxc5+ 25. Kb2 Rd2+ 26. Ka3 e4 27. g5 (27. Rc1 e3 28. Nf3 Rd5 $19) 27... f5 28.
    Bg3 Nd3 (28... e3 $5 29. Rf1 $19) 29. h4 (29. Rh2 Rxh2 30. Bxh2 Rd8 $19) 29...
    Bh5 (29... Re6 30. Nxd3 Rxd3 31. Bc7 $19) 30. Rf1 (30. Rh2 Be2 31. Nxd3 Rxd3
    $19) 30... g6 31. Rb1 (31. Nxd3 Rxd3 32. Be1 Bf3 $19) 31... b6 (31... Nde5 $142
    32. Bxe5 Rxe5 33. c4 Ra5+ 34. Kb3 Bd1+ 35. Nc2 Bxc2+ 36. Kc3 $19) 32. Rb5 (32.
    Rg1 Nce5 33. Nxd3 Nxd3 $19) 32... Nxe1 (32... Be2 $5 33. Rh1 Rd1 34. Rh2 Ra1+
    35. Kb3 Rb1+ 36. Ka4 Bd1+ 37. Nc2 $19) 33. Bxe1 (33. Rxe1 Rd3 34. Bf4 Nd4 $19)
    33... Be2 (33... Rd1 $142 $5 34. Rb2 $19) 34. Bxd2 Bxb5 35. c4 (35. Rb1 Bd3 36.
    Re1 Ne5 $19) 35... Bxc4 36. Rc1 (36. Re1 Ne5 37. Kb4 Bf7 $19) 36... Bb5 (36...
    e3 37. Be1 b5 38. Bg3 $19) 37. Bc3 (37. Rc3 Kf7 $19) 37... f4 38. Bf6 f3 39. h5
    f2 40. Rd1 f1=Q (40... f1=Q 41. Rxf1 Bxf1 42. hxg6 hxg6 $19) 0-1
    
    [Event "25th Politiken Cup, Copenhagen DEN"]
    [Site "?"]
    [Date "2003.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Abrahamsson, Daniel"]
    [Result "1-0"]
    [WhiteElo "1970"]
    [PlyCount "81"]
    [EventDate "2003.??.??"]
    
    1. e4 c5 2. b4 cxb4 3. a3 e5 4. axb4 Bxb4 5. c3 Ba5 $146 6. Bc4 (6. Nf3 Nc6 $15
    (6... Bc7 7. Bc4 Nc6 (7... Nf6 8. d3 Nc6 9. Bg5 h6 10. Bh4 O-O 11. O-O a6 12.
    Nbd2 g5 $15 {-0.44}) 8. d4 Nf6 9. d5 Na5 10. Bd3 O-O 11. O-O a6 12. Nbd2 d6
    $15 {-0.56}) 7. Bb5 (7. d4 exd4 8. Nxd4 Nf6 9. Bg5 Bb6 10. Bb5 h6 11. Bxf6
    Qxf6 12. Nf5 O-O $17 {-0.97}) (7. Qa4 Qf6 (7... Bb6 8. Bb5 Nf6 9. d3 O-O 10.
    Bg5 Qe7 11. O-O h6 12. Bh4 g5 $15 {-0.63}) (7... Bc7 8. d4 exd4 9. cxd4 d5
    10. exd5 Qxd5 11. Bc4 Qa5+ 12. Nbd2 Qxa4 $15 {-0.69}) (7... Qc7 8. Bb5 Nge7
    9. d4 b6 10. O-O a6 11. Bd3 Ng6 12. d5 Nce7 $15 {-0.38}) (7... Qe7 8. Bb5 Bb6
    9. d3 a6 10. Ba3 Qf6 11. Bxc6 dxc6 12. Qb4 Bc7 $15 {-0.53}) 8. d3 Nge7 9. Bg5
    Qe6 10. Nfd2 O-O 11. Bxe7 Qxe7 12. Nc4 Bd8 $17 {-1.06}) 7... Nge7 (7... Qc7
    8. O-O a6 9. Bxc6 dxc6 10. d4 exd4 11. cxd4 Bb6 12. Re1 Bg4 $15 {-0.44}) (
    7... Nf6 8. Qa4 Bb6 9. d3 O-O 10. Bg5 Qe7 11. O-O h6 12. Bh4 g5 $15 {-0.63})
    8. O-O a6 9. Bxc6 Nxc6 10. d4 exd4 11. cxd4 d5 12. exd5 Qxd5 $15 {-0.66}) (6.
    Qg4 Nf6 (6... g6 7. Qf3 (7. Bc4 Nc6 (7... d6 8. Qe2 Nc6 9. Nf3 a6 10. O-O Qc7
    11. Ng5 Nh6 12. d3 O-O $15 {-0.28}) 8. Qf3 Nf6 9. Ba3 d6 10. Ne2 Bb6 11. O-O
    Bg4 12. Qd3 Be6 $15 {-0.66}) (7. Bb5 Nc6 (7... a6 8. Qg3 f6 9. Bc4 b5 10. Bd5
    Nc6 11. Qf3 Nge7 12. Qxf6 Rf8 $15 {-0.31}) (7... Ne7 8. Qg5 Nbc6 9. Qf6 O-O
    10. Nf3 a6 11. Be2 d5 12. d3 d4 $11 {0.12}) (7... Qc7 8. Qg3 f6 9. Nf3 b6 10.
    O-O a6 11. Ba4 Bb7 12. Re1 Ne7 $15 {-0.28}) 8. Qg3 f6 9. Bc4 Nge7 10. Qf3 f5
    11. Nh3 d5 12. exd5 e4 $17 {-0.84}) 7... d6 8. Bc4 Nf6 9. d3 h6 10. Qe2 Qc7
    11. Qf3 Nbd7 12. Ne2 a6 $15 {-0.53}) 7. Qxg7 Rg8 8. Qh6 Rg6 9. Qe3 Nc6 10.
    Ba3 Bb6 11. Qd3 d5 12. exd5 Nxd5 $17 {-0.88}) (6. d4 Qc7 7. Bd2 (7. Ne2 Nf6 (
    7... Bb6 8. f3 d6 9. Na3 Nf6 10. Nb5 Qc6 11. Rb1 O-O 12. Ba3 Rd8 $11 {-0.13})
    (7... b6 8. dxe5 Qxe5 9. Ra4 Nc6 10. Bf4 Qe6 11. Ng3 Nge7 12. Bc4 d5 $15 {
    -0.41}) 8. dxe5 Nxe4 9. Qd4 Nc5 10. Qd5 Qc6 11. Nf4 Bc7 12. Bc4 O-O $15 {
    -0.47}) (7. Nf3 exd4 8. Qxd4 Nf6 9. Bc4 Nc6 10. Qd3 O-O 11. O-O Re8 12. Ba3
    Qd8 $15 {-0.47}) 7... Nf6 8. dxe5 Qxe5 9. Bd3 Nc6 10. Nf3 Qe6 11. O-O Bc7 12.
    Na3 O-O $11 {-0.13}) 6... Nf6 (6... Nc6 7. Qb3 (7. Qh5 Qe7 8. Nf3 Nf6 9. Qh4
    d6 10. d3 Be6 11. Bxe6 fxe6 12. O-O O-O $15 {-0.63}) 7... Qf6 (7... Qe7 8.
    Nf3 Nf6 9. d3 Bb6 10. O-O O-O 11. Qb2 d6 12. Bg5 h6 $15 {-0.50}) 8. Nf3 Bb6
    9. Qb5 d6 10. d3 Nge7 11. O-O Qg6 12. Bg5 f6 $15 {-0.59}) 7. Qb3 (7. Nf3 Nc6
    8. Qe2 O-O 9. O-O d6 10. Ba3 a6 11. Rd1 Bg4 12. h3 Bh5 $17 {-0.94}) (7. d3
    Nc6 8. Nf3 O-O 9. O-O d6 10. Bg5 Bg4 11. Qe2 h6 12. Bh4 g5 $15 {-0.59}) 7...
    O-O 8. d3 (8. Nf3 Nc6 9. d3 Bb6 10. Ng5 d5 11. Bxd5 Nxd5 12. exd5 Na5 $15 {
    -0.66}) 8... d6 (8... Nc6 9. Nf3 Bb6 10. Ng5 Qe7 11. Qxb6 axb6 12. Rxa8 Qd8
    $15 {-0.66}) 9. Nf3 h6 (9... Bb6 10. Ng5 Qe7 11. O-O Nc6 12. Qb2 Na5 $17 {
    -0.84}) 10. h4 (10. Nh4 Bb6 (10... Qc7 11. O-O a6 12. Ng6 b5 $15 {-0.69})
    11. O-O (11. Nf3 Nc6 $17 12. Nbd2 Na5 $17 {-0.91}) 11... Qd7 12. Nd2 Nc6 $17
    {-0.72}) 10... Bb6 (10... Nc6 11. Qa2 a6 12. O-O Bg4 $17 {-1.16}) 11. Ng5 (
    11. Nbd2 $142 $5 $17 Nc6 12. O-O Bg4 $17 {-1.06}) (11. O-O Nc6 12. Nbd2 Bg4
    $17 {-1.06}) 11... hxg5 $19 12. hxg5 g6 $4 (12... d5 $142 13. exd5 Ng4 $19)
    13. gxf6 $11 Qxf6 14. f3 Kg7 $4 (14... Nc6 $142 $11) 15. Bh6+ $18 Kg8 16. Bxf8
    Kxf8 (16... d5 17. Bxd5 Kxf8 18. Rh7 $18) 17. Qxb6 $3 axb6 18. Rxa8 Qg5 (18...
    Be6 19. Rxb8+ Kg7 20. Bxe6 Qxe6 21. Nd2 $18 (21. Rxb7 $6 Qa2 22. Rxb6 Qxg2 $18)
    ) 19. Kf2 (19. Rxb8 $6 Qc1+ 20. Ke2 Qxh1 21. Rxc8+ Ke7 $16) 19... Kg7 20. Rxb8
    Qd8 21. Na3 (21. Ra8 b5 22. Bxb5 Qb6+ 23. Ke2 Bh3 24. gxh3 Qxb5 $18) 21... Qc7
    22. Ra8 Bd7 23. Kg3 (23. g4 Qc5+ 24. Ke2 g5 $18) 23... b5 (23... d5 24. Bb5 $18
    ) 24. Nxb5 (24. Bxb5 Be6 25. c4 Qb6 $18) 24... Qb6 (24... Bxb5 25. Bxb5 Qxc3
    26. Bc4 $18) 25. Ra2 (25. Rah8 Kf6 $18) 25... f5 26. exf5 (26. Rb1 $142 $5 Kf6
    $18) 26... gxf5 27. Rh5 $4 (27. Na3 $142 $18) 27... Qg1 28. f4 exf4+ 29. Kxf4
    Qc1+ (29... Qf1+ 30. Kg3 Qe1+ 31. Kh2 Bxb5 32. Bxb5 Qe5+ 33. Kh3 $14) 30. Kg3
    Qe1+ 31. Kh2 f4 $2 (31... Qe5+ $142 32. g3 Bxb5 $14) 32. d4 $18 Kg6 (32... Be6
    33. d5 (33. Nxd6 $6 Qg3+ 34. Kg1 Qe1+ 35. Kh2 Qg3+ 36. Kh1 Qe1+ 37. Kh2 $11)
    33... Bd7 34. Re2 Qg3+ 35. Kh1 $18) 33. Rd5 Qh4+ 34. Kg1 Qe1+ 35. Bf1 Kg7 (
    35... Bxb5 36. Rxb5 Qxc3 $18) 36. Re2 Qh4 37. Nxd6 Qg4 (37... Kg6 38. Nxb7 Bc8
    39. Nc5 $18) 38. Ree5 (38. Re7+ $142 Kf6 39. Rde5 Be6 40. Rxb7 Bd7 41. Ne4+ Kg6
    42. Rb6+ Kg7 $18) 38... Kf8 39. Ne4 Bc6 (39... f3 40. Rd6 f2+ 41. Nxf2 Qg7 $18)
    40. Rd8+ Kf7 41. Bc4+ (41. Bc4+ Bd5 42. Bxd5+ Kg7 43. Rg8+ Kh6 44. Rxg4 f3 45.
    Nf6 f2+ 46. Kxf2 b5 47. Rh5#) 1-0
    
    [Event "Politiken Cup, Copenhagen DEN"]
    [Site "?"]
    [Date "2004.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Tidman, Sophie E"]
    [Result "0-1"]
    [WhiteElo "1935"]
    [BlackElo "2130"]
    [PlyCount "70"]
    [EventDate "2004.??.??"]
    
    1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 cxb4 5. d4 Bd7 6. g3 $146 Qb6 (6... Nc6 7.
    Bd3 (7. Be2 Nge7 (7... Rc8 8. O-O (8. Nbd2 Qc7 9. a3 Qb6 10. Nb1 f6 11. O-O
    fxe5 12. dxe5 Qc7 13. axb4 $17 {-0.78}) (8. a3 Qa5 9. O-O Nge7 10. Bb2 Qb6
    11. axb4 Nxb4 12. Bc3 Nec6 13. Bb2 $17 {-0.84}) (8. Bd3 Nge7 9. Nbd2 Qb6 10.
    Nb3 Nf5 11. Bb2 Be7 12. g4 Nh4 13. Nxh4 $17 {-1.12}) 8... f6 9. a3 Qa5 10.
    Bb2 Qc7 11. axb4 Bxb4 12. c3 Ba5 13. c4 $15 {-0.66}) (7... Qa5 8. Nbd2 (8.
    O-O Rc8 9. a3 f6 10. Bb2 Qc7 11. axb4 Bxb4 12. c3 Ba5 13. c4 $15 {-0.66})
    8... Rc8 9. Nb3 Qa4 10. Bd3 Be7 11. Bg5 f6 12. exf6 gxf6 13. Bf4 $15 {-0.50})
    (7... f6 8. Bd3 (8. a3 Qa5 9. O-O fxe5 10. Nxe5 Nxe5 11. dxe5 Ne7 12. Bd3 Bb5
    13. Nd2 $17 {-0.78}) (8. Bf4 Nge7 9. exf6 gxf6 10. c4 bxc3 11. Nxc3 Rc8 12.
    Rc1 Ng6 13. Bd2 $17 {-0.91}) (8. Be3 Nge7 9. exf6 gxf6 10. Bd3 Bg7 11. c4
    bxc3 12. Nxc3 e5 13. Be2 $17 {-1.09}) (8. exf6 Nxf6 9. Ne5 Be7 10. Bh5+ g6
    11. Be2 Rc8 12. a3 Qa5 13. O-O $17 {-1.22}) 8... Rc8 9. O-O Be7 10. Re1 Qb6
    11. Be3 g6 12. Nbd2 fxe5 13. dxe5 $15 {-0.59}) 8. O-O (8. Nbd2 Qc7 9. Nb3 h6
    10. O-O Ng6 11. h4 Nge7 12. Bd3 Nc8 13. Be3 $17 {-0.94}) (8. a3 Nf5 9. g4 Nh4
    10. Nxh4 Qxh4 11. axb4 Bxb4+ 12. c3 Ba5 13. Qd3 $17 {-1.16}) 8... Nf5 9. Qd3
    f6 10. c4 bxc3 11. Nxc3 Rc8 12. Rb1 Bb4 13. Rb3 $17 {-0.87}) (7. Bg2 Qa5 (
    7... Rc8 8. a3 (8. O-O Na5 9. a3 Ba4 10. axb4 Bxc2 11. Qe2 Nb3 12. Ra2 Bxb1 13.
    Bg5 $19 {-1.81}) 8... Qa5 9. O-O Nd8 10. Bb2 Ba4 11. axb4 Bxb4 12. Ne1 Nh6
    13. Nd3 $17 {-0.87}) (7... Be7 8. Be3 (8. a3 f6 9. axb4 Bxb4+ 10. c3 Be7 11.
    Bf4 fxe5 12. Nxe5 Nf6 13. Nxc6 $17 {-0.81}) (8. O-O Qc7 9. a3 a6 10. Bg5 Bxg5
    11. Nxg5 Nxe5 12. Re1 Ng6 13. Bxd5 $17 {-0.75}) (8. h3 Qc7 9. a3 f6 10. O-O
    bxa3 11. exf6 Nxf6 12. Bxa3 O-O 13. Re1 $17 {-0.78}) (8. Nbd2 Qc7 9. O-O Na5
    10. a3 Ba4 11. Nb3 Bb5 12. Re1 Nc4 13. a4 $17 {-0.81}) 8... Rc8 9. O-O Na5
    10. a3 Bb5 11. Re1 Ba4 12. axb4 Bxc2 13. Qe2 $15 {-0.47}) (7... Nge7 8. O-O (
    8. Nbd2 Nf5 9. Nb3 a5 10. Bg5 Be7 11. Bxe7 Qxe7 12. g4 Nh6 13. Nc5 $17 {-1.12/8
    }) (8. a3 Nf5 9. axb4 Bxb4+ 10. c3 Be7 11. Ba3 Bxa3 12. Nxa3 O-O 13. O-O $17 {
    -0.97}) (8. Qd3 f6 9. a3 fxe5 10. Nxe5 Nxe5 11. dxe5 Qa5 12. Bb2 Nf5 13. c3
    $17 {-1.22}) (8. Bg5 Qb6 9. O-O Nf5 10. Be3 Be7 11. a3 Nxe3 12. fxe3 Qa6 13.
    Nfd2 $17 {-1.22}) 8... Nf5 9. Qd3 Be7 10. a3 O-O 11. Rd1 Qc7 12. g4 Nh4 13.
    Nxh4 $17 {-0.84}) 8. O-O (8. Nbd2 Nge7 9. O-O Qc7 10. a3 Nf5 11. Nb3 bxa3 12.
    g4 Nh6 13. Ne1 $17 {-1.06}) 8... Rc8 9. Nbd2 Nge7 10. Nb3 Qc7 11. a3 Ng6 12.
    Re1 b5 13. Bf1 $17 {-0.94}) 7... Nge7 (7... Qc7 8. Be3 (8. Bf4 Nge7 9. Nbd2
    Rc8 10. O-O Qb6 11. Nb3 Nf5 12. Be2 Be7 13. Rb1 $17 {-1.00}) (8. Bd2 Nge7 9.
    c3 Nf5 10. g4 bxc3 11. Bxc3 Nh6 12. g5 Nf5 13. Qb3 $17 {-0.84}) (8. a3 Nge7
    9. Be2 Nc8 10. O-O Nb6 11. axb4 Bxb4 12. Na3 a6 13. Bd2 $17 {-0.81}) (8. O-O
    Nge7 9. Nbd2 Nf5 10. Nb3 Be7 11. Bf4 Qb6 12. Bxf5 exf5 13. Bg5 $17 {-1.03})
    8... Rc8 9. O-O Nge7 10. a3 Nf5 11. axb4 Bxb4 12. c3 Ba5 13. Bf4 $17 {-0.75})
    (7... Rc8 8. O-O (8. Nbd2 Nge7 9. a3 Nf5 10. Nb3 Qb6 11. O-O bxa3 12. Bxf5 exf5
    13. Bxa3 $17 {-0.75}) (8. a3 Qb6 9. Be2 f6 10. O-O fxe5 11. dxe5 Qc7 12. axb4
    Bxb4 13. Ba3 $17 {-1.03}) (8. Bg5 Qb6 9. Be3 Nge7 10. O-O Nf5 11. Bxf5 exf5
    12. c4 bxc3 13. Nxc3 $17 {-1.09}) 8... Nge7 9. a3 Qb6 10. Kg2 a6 11. h3 h6
    12. Re1 Rc7 13. Ra2 $17 {-0.72}) (7... Be7 8. O-O (8. Be3 Rc8 9. O-O Qc7 10.
    a4 h5 11. Nbd2 Nh6 12. Rc1 Nf5 13. c4 $17 {-1.00}) (8. Nbd2 f6 9. O-O Nh6 10.
    Nb3 Nf7 11. exf6 Bxf6 12. Re1 O-O 13. Bb2 $17 {-1.00}) 8... Qb6 9. Be3 Nh6
    10. c4 bxc3 11. Nxc3 Ng4 12. Bf4 Rc8 13. h3 $15 {-0.62}) 8. Nbd2 (8. a3 Qb6
    9. Be3 Nf5 10. O-O Qa5 11. Qc1 Be7 12. Bxf5 exf5 13. Bg5 $17 {-0.97}) (8. O-O
    Nf5 9. Bg5 Qc7 10. c3 Rc8 11. Bf4 Qd8 12. Bg5 Qb6 13. Bxf5 $17 {-1.09}) (8.
    Bb2 Nf5 9. O-O Be7 10. a3 O-O 11. axb4 Nxb4 12. Bxf5 exf5 13. c3 $17 {-0.84})
    (8. g4 h5 9. gxh5 Rxh5 10. Nbd2 Nf5 11. Rg1 Qc7 12. Bb2 Rh7 13. Rg2 $17 {
    -1.16}) 8... Nf5 9. Nb3 Rc8 10. O-O Qb6 11. a3 bxa3 12. Bxf5 exf5 13. Bxa3
    $17 {-0.75}) (6... Qc7 7. a3 (7. Bd2 Nc6 (7... Ba4 8. Bd3 Na6 9. a3 bxa3 10.
    O-O Nb4 11. Bxb4 Bxb4 12. Nxa3 a6 13. Qe2 $15 {-0.59}) 8. c3 (8. Bd3 Nge7 9.
    c3 Qb6 10. Qb3 Nf5 11. O-O Na5 12. Qb2 Nc4 13. Qc2 $17 {-1.37}) (8. a3 f6 9.
    exf6 Nxf6 10. Bb5 bxa3 11. Nxa3 Be7 12. O-O O-O 13. Re1 $17 {-1.09}) 8...
    Nge7 9. a3 bxc3 10. Nxc3 a6 11. Bd3 Rc8 12. Qc2 b5 13. O-O $17 {-0.84}) (7.
    Bd3 Ne7 (7... Nc6 8. Bf4 (8. O-O Nge7 9. Nbd2 Nf5 10. Nb3 Be7 11. Bf4 Qb6 12.
    Bxf5 exf5 13. Bg5 $17 {-0.97}) (8. a3 Nge7 9. Be2 Qa5 10. Nbd2 Ng6 11. O-O
    bxa3 12. Bxa3 Bxa3 13. Nb1 $17 {-0.81}) (8. Bd2 Nge7 9. c3 Nf5 10. g4 bxc3
    11. Bxc3 Nh6 12. g5 Nf5 13. Qb3 $17 {-0.84}) (8. Be3 Rc8 9. Nbd2 Nge7 10. Nh4
    Na5 11. O-O Qc3 12. Rc1 Nec6 13. Qg4 $17 {-1.06}) 8... Nge7 9. Nbd2 Rc8 10.
    Rb1 Qa5 11. Qc1 Ng6 12. Be3 Qa4 13. h4 $15 {-0.69}) 8. Nbd2 (8. O-O Nbc6 9.
    Nbd2 Nf5 10. Nb3 Be7 11. Bf4 Qb6 12. Bxf5 exf5 13. Bg5 $17 {-0.94}) (8. Bf4
    Nbc6 9. Nbd2 Qb6 10. Nb3 Rc8 11. Rb1 Nf5 12. Be2 Be7 13. h4 $17 {-0.94}) (8.
    a3 Nbc6 9. O-O Nf5 10. Bxf5 exf5 11. axb4 Bxb4 12. Ba3 O-O 13. c4 $17 {-0.94}
    ) (8. Bd2 Nbc6 9. c3 Qb6 10. Be3 Rc8 11. c4 dxc4 12. d5 Qa5 13. Bxc4 $19 {
    -2.31}) 8... Qc3 9. Rb1 Ba4 10. Ke2 Na6 11. Nb3 Rc8 12. Kf1 Qc6 13. Qe2 $17 {
    -0.87}) 7... Nc6 (7... Qa5 8. Nfd2 (8. Qd2 Bb5 9. c3 Bxf1 10. Rxf1 bxc3 11.
    Qxc3 Nc6 12. Qxa5 Nxa5 13. Nbd2 $17 {-1.03}) (8. Bd2 Nc6 9. c3 Rc8 10. Qb3
    bxc3 11. Nxc3 Qc7 12. Rb1 Na5 13. Nb5 $17 {-1.06}) 8... Nc6 9. Nb3 Qc7 10.
    axb4 Bxb4+ 11. c3 Be7 12. Qg4 Bf8 13. Ba3 $15 {-0.62}) 8. axb4 (8. Be2 Qa5 9.
    O-O f6 10. Bb2 Qc7 11. axb4 Bxb4 12. Ba3 a6 13. Bxb4 $15 {-0.69}) (8. Bd2 Be7
    9. axb4 Nxb4 10. c3 Nc6 11. Na3 a6 12. Bd3 Ra7 13. O-O $17 {-0.75}) (8. Bd3
    Nge7 9. Be2 Nc8 10. O-O Nb6 11. axb4 Bxb4 12. Na3 a6 13. Bd2 $17 {-0.81})
    8... Bxb4+ 9. c3 Be7 10. Bd3 a6 11. Ba3 Rc8 12. Bxe7 Ngxe7 13. Nbd2 $15 {
    -0.62}) 7. a4 (7. Nbd2 Bb5 (7... Nc6 8. Nb3 Nge7 9. Nc5 Nf5 10. Nxd7 Kxd7 11.
    Bb2 Rc8 12. g4 Nh6 13. Rg1 $15 {-0.62}) (7... Ba4 8. a3 (8. Nb3 Nc6 9. Bg2
    Rc8 10. O-O Nge7 11. Bg5 Nf5 12. g4 Bxb3 13. gxf5 $17 {-1.37}) (8. Bb2 Nc6 9.
    Bd3 Bb5 10. O-O Bxd3 11. cxd3 Nh6 12. Nb3 Be7 13. Bc1 $17 {-1.37}) (8. Rb1
    Nc6 9. Bb2 Nge7 10. Bd3 Rc8 11. h3 Nf5 12. Nf1 Qa5 13. N1d2 $17 {-1.09}) (8.
    h3 Nc6 9. Nb3 Bb5 10. Bd3 Rc8 11. O-O Bxd3 12. Qxd3 Nge7 13. a3 $17 {-1.16})
    8... Qc6 9. Nb3 Bb5 10. Na5 Qd7 11. Bxb5 Qxb5 12. axb4 Bxb4+ 13. Bd2 $17 {
    -0.84}) 8. Rb1 (8. Bxb5+ Qxb5 9. a3 Nc6 10. a4 Qa6 11. h3 Be7 12. Nb3 Rc8 13.
    Be3 $17 {-1.22}) (8. c4 bxc3 9. Rb1 a6 10. Nb3 Bxf1 11. Kxf1 Nc6 12. Kg2 Nb4
    13. Na1 $19 {-1.94}) 8... Bxf1 9. Nxf1 Nc6 10. a3 Qc7 11. axb4 Bxb4+ 12. Bd2
    Be7 13. Qe2 $17 {-1.12}) (7. Be3 Bb5 8. Bd3 (8. Nbd2 Nc6 9. Bxb5 Qxb5 10. Rb1
    Qa5 11. Rb2 Rc8 12. O-O Nge7 13. Nb3 $17 {-1.16}) (8. Bg2 Nc6 9. a4 bxa3 10.
    Nxa3 Ba6 11. Qb1 Bb4+ 12. Bd2 Ba5 13. c3 $17 {-1.12}) (8. h3 Bxf1 9. Kxf1 Ne7
    10. Kg2 Nf5 11. Qd3 Nc6 12. Rc1 Rc8 13. a4 $17 {-1.22}) (8. Bxb5+ Qxb5 9. h4
    Nc6 10. h5 h6 11. Nbd2 Rc8 12. g4 Be7 13. Qb1 $17 {-1.09}) 8... Bxd3 9. Qxd3
    Nc6 10. O-O Rc8 11. Rc1 Be7 12. c4 bxc3 13. Nxc3 $17 {-0.94}) (7. h3 Bb5 (
    7... Nc6 8. a3 (8. Be3 Nge7 9. g4 Rc8 10. Nbd2 h5 11. Bg2 Qc7 12. Rb1 Na5 13.
    Bg5 $17 {-1.31}) (8. g4 Rc8 9. Be3 h5 10. Bg2 Na5 11. Nbd2 Qc6 12. Rc1 Qc3
    13. Ng1 $19 {-1.41}) (8. Bg5 Nge7 9. c4 bxc3 10. Nxc3 Nf5 11. Be3 Nxe3 12.
    fxe3 Bb4 13. Rc1 $19 {-1.75}) 8... f6 9. Bd3 bxa3 10. Bxa3 fxe5 11. Bxf8 Kxf8
    12. dxe5 Nh6 13. O-O $17 {-0.91}) 8. Bxb5+ (8. Bg2 Nc6 9. a4 Qa5 10. axb5
    Qxa1 11. bxc6 Qxb1 12. cxb7 Rb8 13. Nd2 $19 {-2.06}) 8... Qxb5 9. Nbd2 Nc6
    10. a4 Qa6 11. Nb3 Rc8 12. Bg5 Qc4 13. Qd3 $17 {-1.19}) 7... Nc6 8. Bb2 (8.
    Be3 Nge7 9. Bd3 Nf5 10. O-O Qc7 11. Qe2 Rc8 12. Rc1 Nxe3 13. Qxe3 $17 {-1.03}
    ) (8. Ra2 Nge7 9. g4 h5 10. g5 Nf5 11. Bb2 Be7 12. Bb5 Rc8 13. c3 $19 {-1.62}
    ) (8. Be2 Nge7 9. Bb2 Rc8 10. O-O Nf5 11. g4 Nh6 12. h3 f6 13. c4 $17 {-1.28}
    ) (8. Bb5 Nge7 9. c4 bxc3 10. Nxc3 a6 11. Bxc6 Nxc6 12. Ba3 Bxa3 13. Rxa3 $17 {
    -1.19}) (8. Bg2 Nge7 9. O-O Nf5 10. Bb2 Be7 11. g4 Nh4 12. Nxh4 Bxh4 13. c3
    $19 {-1.41}) 8... Nh6 (8... Be7 9. c4 bxc3 10. Bxc3 Rc8 11. a5 Qc7 12. Bd2
    Bb4 13. Bxb4 $17 {-1.12}) 9. Nbd2 (9. c4 bxc3 10. Bxc3 Rc8 11. a5 Qc7 12. Bd3
    Nb4 13. Be2 $17 {-1.16}) 9... Nf5 (9... Rc8 10. Rb1 Nf5 11. c3 Be7 12. Bd3
    O-O 13. c4 $17 {-0.91}) 10. Nb3 Be7 11. g4 Nh6 (11... Nh4 12. Nxh4 Bxh4 13.
    Qf3 $17) 12. h3 (12. Bc1 Ng8 13. Bd3 $17 {-0.78}) 12... f5 (12... Rc8 13. Bc1
    $17 {-0.84}) 13. g5 (13. exf6 gxf6 (13... Bxf6 $143 14. g5 $16) 14. Nc5 Bxc5
    15. dxc5 Qxc5 $17) 13... Nf7 $17 14. h4 Na5 15. Nxa5 Qxa5 16. Bd3 Rc8 (16...
    Bxa4 17. Rg1 $17) 17. Kf1 (17. Rg1 Bxa4 18. g6 Nd8 $17) 17... Bc6 (17... Bxa4
    18. Rg1 $19) 18. Qe2 g6 (18... O-O 19. Rg1 $17) 19. Nd2 (19. h5 $5 $17) 19...
    h6 $19 20. gxh6 Rxh6 21. Nf3 Kd7 (21... Ng5 $19) 22. h5 $2 (22. Bc1 $5 Rh7 23.
    Ke1 $17) 22... Rg8 (22... Rch8 23. Ke1 $19) 23. Bc1 g5 (23... Rxh5 24. Rxh5
    gxh5 25. Bxf5 exf5 26. e6+ Ke8 27. exf7+ Kxf7 28. Ne5+ Ke8 29. Qxh5+ Kd8 30.
    Qxf5 $17) 24. Bd2 $2 (24. Nd2 $5 $17) 24... Kc8 (24... Rgh8 25. Ne1 $19) 25.
    Kg2 (25. Ke1 Rgh8 26. Ng1 Bxa4 $19) 25... Rh7 (25... Rgh8 26. Ne1 $19) 26. Rac1
    (26. Nh2 Rgh8 27. Nf1 Rh6 $19) 26... g4 (26... Kd8 $5 27. c3 g4 28. Ne1 $19)
    27. Nh4 $17 Bxh4 28. Rxh4 Ng5 29. c3 (29. Bxg5 Rxg5 30. Rch1 Rg8 $19) 29... Nf3
    30. cxb4 $4 (30. Rhh1 $142 b3 31. Bf4 $19) 30... Nxh4+ 31. Kg3 (31. Kf1 Qxa4
    32. b5 Nf3 33. bxc6 Nxd4 (33... Qxd4 $143 34. cxb7+ Kxb7 35. Be3 Qxe5 36. Ba6+
    Ka8 37. Qc2 $19) (33... Nxd2+ $6 34. Qxd2 bxc6 35. Qc3 $19) 34. cxb7+ Kxb7 $19)
    31... Qd8 32. h6 Nf3 33. Rh1 (33. Kg2 Nxd4 34. Qe3 Nf3 35. Qxa7 Rc7 $19 (35...
    Nxd2 $2 36. Rxc6+ Rc7 37. h7 bxc6 38. Qa8+ Kd7 39. hxg8=Q Qxa8 40. Qxa8 $18) (
    35... Nxe5 36. Bb5 Rc7 37. Bf4 d4+ 38. Bxc6 Nxc6 39. Qa8+ Kd7 40. Qxd8+ Rxd8
    41. Bxc7 Kxc7 42. b5 $19)) 33... Nxd2 34. Qxd2 Qg5 (34... Bxa4 35. b5 Rg6 36.
    Kg2 $19) 35. b5 (35. Qxg5 Rxg5 36. b5 $19) 35... Qxd2 (35... Qxd2 36. Kg2 g3
    37. Rf1 gxf2+ 38. Kf3 f4 39. Bg6 Rxg6 40. bxc6 Qe3#) 0-1
    
    [Event "Gibraltar ENG, Open"]
    [Site "?"]
    [Date "2012.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Kazmierczak, Ewa"]
    [Result "1-0"]
    [WhiteElo "1935"]
    [PlyCount "69"]
    [EventDate "2012.??.??"]
    
    1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 cxb4 5. a3 bxa3 6. c3 Nc6 7. d4 Bd7 8. Bd3 f5
    (8... Nh6 9. Bxh6 gxh6 10. Nxa3 Bxa3 11. Rxa3 Qe7 12. Qb3 b6 13. O-O Na5 14.
    Qa2 O-O 15. Ra1 f5 16. Qd2 Qg7 17. Qe2 Kh8 18. Nd2 Rg8 19. f4 Be8 20. g3 h5 21.
    Nf3 Rc8 22. Kf2 Rc7 23. Rb1 {egomi (1630)-ludice (1760)/kurnik 2011/0-1 (34)})
    9. h4 $146 (9. g4 Nge7 10. gxf5 (10. Nxa3 a6 11. Rg1 Qc8 12. Bd2 b5 13. Nc2
    fxg4 14. Rxg4 Nf5 15. Ne3 Nce7 16. Ng5 h6 17. Nh3 Nxe3 18. fxe3 Qc6 19. Qb1
    O-O-O 20. Nf4 Be8 21. e4 g5 22. exd5 exd5 23. Ng2 Bg6 24. Ne3 Bxd3 {
    Hirzel,A-Bruk,O (2340)/Kobanya op 1988/0-1 (42)}) 10... Nxf5 11. Ng5 Qe7 12.
    Nxa3 O-O-O 13. Nb5 (13. Nf3 Qf7 14. Rb1 Be7 15. Qa4 Ncxd4 16. Qxa7 Nxf3+ 17.
    Ke2 Bc6 18. Ba6 Kd7 19. Bxb7 Bxb7 20. Qa4+ Bc6 21. Rb7+ Ke8 22. Qxc6+ Kf8 23.
    Qc7 Qh5 24. Kd3 Qg6 25. Ke2 Qg4 26. Kf1 Qe4 {
    0-1 Cuartas,C (2330)-Padevsky,N (2430)/Siegen ol (Men) qual-F 1970}) 13... Kb8
    14. Bxf5 exf5 15. e6 Bxe6 16. Bf4+ Kc8 17. Nxa7+ Nxa7 18. Rxa7 Bd7+ 19. Kd2 b6
    20. Rc7+ {1-0 Hald,J-Jensen,H/Politiken Cup 1990}) 9... Nge7 10. g4 (10. Nxa3
    Nc8 $15) 10... Qc7 11. Bxa3 Ng6 12. Bc1 Nge7 13. Kf1 $4 (13. Ba3 $5 $11) 13...
    g6 (13... fxg4 $5 14. Nh2 h5 15. Bg5 $19) 14. Na3 a6 $4 (14... Nb8 15. Nb5 Bxb5
    16. Bxb5+ Nd7 17. gxf5 Nxf5 $15 (17... exf5 $2 18. e6 Nc6 19. exd7+ Kxd7 20.
    Qb3 $18) (17... gxf5 $6 18. Ng5 Qxc3 19. Rb1 $11)) 15. Nb5 $1 $18 axb5 16.
    Rxa8+ Nd8 17. gxf5 exf5 18. Kg2 h6 19. e6 $1 Bc6 $2 (19... Bxe6 20. Bxb5+ {
    Deflection}) 20. Ne5 b6 (20... Bg7 21. Bf4 Qb6 $18) 21. Rxd8+ $1 (21. Nxc6 $6
    Qxc6 22. Rb8 Bg7 $18) 21... Qxd8 (21... Qxd8 22. Nf7 {Double attack} (22. Nf7 {
    Decoy})) (21... Kxd8 22. Nf7+ {Double attack}) 22. Nf7 (22. Nxc6 $6 Nxc6 23.
    Bxb5 Qc8 $18) 22... Qc7 23. Nxh8 Bg7 24. Nxg6 $1 Nxg6 25. Qh5 Kd8 26. Qxg6 Be8
    27. Qxf5 Bc6 (27... Qxc3 28. Qxd5+ Ke7 29. Qb7+ Kf6 30. Bxb5 $18) 28. Bf4 (28.
    Ba3 $142 Kc8 29. e7+ Kb7 $18) 28... Qe7 29. Bxb5 $1 Bb7 (29... Bxb5 30. Qxd5+ {
    Decoy}) 30. h5 Bf8 31. Bg3 Qg7 32. e7+ $1 Qxe7 (32... Kxe7 33. Re1+ {
    Mate attack}) (32... Bxe7 33. Qd7# {Mate attack}) (32... Qxe7 33. Bh4 {Pinning}
    (33. Bh4 {Decoy})) 33. Re1 $1 Qe4+ (33... Qxe1 34. Qd7# {Mate attack}) 34. f3 (
    34. Rxe4 Bc6 35. Qxf8+ Kd7 36. Re7#) 34... Qxf5 (34... Qc2+ 35. Kg1 Qh2+ 36.
    Kxh2 Bc6 37. Qxf8+ Kd7 38. Re7#) 35. Re8# 1-0
    
    [Event "Gothenburg op"]
    [Site "?"]
    [Date "2004.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Karlzen, Henrik"]
    [Result "0-1"]
    [WhiteElo "1955"]
    [PlyCount "94"]
    [EventDate "2004.??.??"]
    
    1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 cxb4 5. d4 Bd7 6. a3 Qa5 (6... bxa3 7. Nxa3
    Nc6 8. c3 a6 9. Bd3 b5 10. O-O Be7 11. Nc2 Na5 12. Nb4 Qb6 13. Bg5 h6 14. Bxe7
    Nxe7 15. Nd2 Nc4 16. Bxc4 bxc4 17. Qg4 O-O 18. Rfb1 Bb5 19. f4 f6 20. Nf3 a5
    21. Nc2 {
    Cuartas,C (2330)-Markland,P (2420)/Skopje ol (Men) fin-B 1972/1/2-1/2 (57)}) 7.
    Bb2 (7. Bd2 Bb5 8. axb4 Qxa1 9. Bxb5+ Nc6 10. c3 a5 11. bxa5 Qxa5 12. Bd3 Qa4
    13. Qe2 h6 14. O-O Nge7 15. h4 Nc8 16. Bb5 Qb3 17. Be3 Nb6 18. Nfd2 Qa2 19. f4
    g6 20. h5 Nc4 21. hxg6 fxg6 {
    Rahls,P (2305)-Zschaebitz,K (2175)/Berlin-ch 2012/1-0}) 7... bxa3+ 8. c3 Ba4
    $146 (8... Bb5 9. Nxa3 Bxf1 10. Kxf1 Qb6 11. Qe2 Nc6 12. g3 Rc8 13. Kg2 a6 14.
    Rhb1 Na5 15. Nd2 Nc4 16. Naxc4 dxc4 17. Ba3 Qc6+ 18. Qe4 b5 19. Qxc6+ Rxc6 20.
    Ne4 Ne7 21. Nd6+ Kd7 22. Nxf7 Rg8 23. Nd6 {
    Zentgraf,R-Klinger,S (2170)/GER-ch U16 Ueberlingen 2000/1-0 (46)}) 9. Qc1 axb2
    10. Qxb2 Nd7 (10... b5 $142 $19) 11. Rxa4 $15 Qc7 12. Na3 a6 13. Nb5 (13. Nb1
    Ne7 $17) 13... Qb8 14. Nd6+ Bxd6 15. exd6 Ngf6 16. Ne5 Qxd6 17. f4 $2 (17. Qxb7
    $142 $5 Rb8 18. Qxa6 Rb1+ 19. Ke2 $17) 17... O-O 18. g4 (18. Qxb7 Rfb8 19. Qc6
    Rb1+ 20. Ke2 Qxc6 21. Nxc6 Ne4 $19) 18... b5 19. Ra2 Nb6 20. h4 (20. Qb4 Qc7
    $19) 20... Ne4 21. h5 Na4 22. Qh2 (22. Qb4 Naxc3 23. Qxd6 Nxd6 $19) 22... Naxc3
    23. Rc2 (23. Ra1 Na4 24. Ke2 Rfc8 $19) 23... Qb4 24. Nd3 Qxd4 25. Qh3 Rac8 26.
    g5 (26. h6 g5 27. fxg5 Nxg5 $19) 26... Na4 (26... Ne2 $142 $1 27. Bxe2 Rxc2 28.
    Kf1 Qa1+ 29. Kg2 Rxe2+ 30. Kf3 $19) 27. Rhh2 Qa1+ 28. Nc1 Rc3 (28... Nb2 $142
    29. Bd3 Qxc1+ 30. Rxc1 Nxd3+ 31. Qxd3 Rxc1+ 32. Ke2 $19) 29. Qg4 (29. Rxc3
    Naxc3 30. Rc2 $19) 29... Rfc8 30. Bd3 Rxc2 31. Bxc2 Qxc1+ 32. Bd1 Nb2 33. g6
    Qxd1+ (33... Nxd1 34. Qxd1 Qe3+ 35. Kf1 Rc1 36. gxh7+ Kh8 37. Qxc1 Qxc1+ 38.
    Ke2 Qd2+ 39. Kf3 Qxh2 40. h6 Qf2+ 41. Kg4 Qg3+ 42. Kh5 g6#) 34. Qxd1 Nxd1 35.
    gxf7+ Kxf7 36. Kxd1 b4 37. Rb2 (37. h6 a5 $19) 37... Rc4 38. h6 gxh6 39. Ke2 a5
    40. Kf3 a4 41. Rh2 b3 42. f5 exf5 43. Kf4 Rc2 (43... Nd2+ $142 $1 44. Ke5 b2
    45. Rh1 $19) 44. Rxh6 b2 45. Rxh7+ Kg6 46. Rb7 Nc3 (46... a3 $142 47. Rb6+ Nf6
    48. Ke5 Re2+ 49. Kd6 $19) 47. Rb6+ Kf7 (47... Kf7 $19) 0-1
    
    [Event "Politiken Cup"]
    [Site "?"]
    [Date "1998.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Weclawski, Doris"]
    [Result "1-0"]
    [BlackElo "2050"]
    [PlyCount "83"]
    [EventDate "1998.??.??"]
    
    1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 cxb4 5. d4 Bd7 6. a3 Qb6 7. axb4 Bxb4+ 8. c3
    Ba5 (8... Be7 9. Na3 a6 10. Bd3 Nh6 11. O-O Qc7 12. Bxh6 gxh6 13. Qd2 Bf8 14.
    Rfc1 Bc6 15. Qf4 Nd7 16. c4 Qd8 17. c5 Bg7 18. Nc2 O-O 19. Ne3 f6 20. exf6 Qxf6
    21. Qg3 Qf4 22. Ng4 h5 23. Nge5 {Rotov,I-Short,N (2690)/Puhajarve EST 2012/0-1}
    ) 9. Ba3 Nc6 $146 (9... Bb5 10. Bc5 Qa6 11. Bb4 Nc6 12. Bxb5 Qxb5 13. Na3 Qb6
    14. Bxa5 Qxa5 15. O-O O-O-O 16. Qe2 a6 17. c4 Qc7 18. Rfc1 Nge7 19. Nb5 axb5
    20. cxb5 Kd7 21. Ng5 Ra8 22. Rab1 Nf5 23. bxc6+ bxc6 24. Nxf7 {
    Bryan,J (2240)-Conner,M (2035)/New Hampshire op 2000/1-0 (32)}) 10. Bc5 Qd8 11.
    Bd3 Rc8 12. h4 (12. Qb3 Nge7 $11) 12... Bb6 13. Bd6 Bc7 14. Ba3 Nge7 15. Qe2
    Na5 16. Ng5 Ng6 $4 (16... h6 17. Qh5 Rf8 18. Nf3 $11) 17. g3 $4 (17. Qf3 $142
    f5 18. Bxf5 exf5 19. Qxd5 Qxg5 20. hxg5 $18) 17... Nb3 $11 18. Ra2 Ba5 {
    Attacks the backward pawn on c3} 19. Qh5 $4 (19. Qf3 $142 f5 20. exf6 Qxf6 21.
    Qxf6 gxf6 22. Nxh7 $14) 19... Nxd4 $17 (19... Bxc3+ $6 20. Nxc3 Rxc3 21. Qf3
    $15) 20. Nxh7 Bxc3+ (20... Rxc3 $142 21. Nxc3 Bxc3+ 22. Kf1 Bb5 23. Bxb5+ Nxb5
    $19) 21. Nxc3 $14 Rxc3 22. Bxg6 Nf3+ 23. Kf1 Bb5+ 24. Kg2 fxg6 25. Qxg6+ Kd7
    26. Nf8+ $1 Rxf8 27. Qxg7+ Kc8 28. Bxf8 (28. Qxf8 $6 d4 29. Qxd8+ Kxd8 $16)
    28... Rc7 29. Rxa7 (29. Qh6 $142 Rf7 30. Qxe6+ Qd7 31. Qd6 $18) 29... Kb8 $4 (
    29... Rxg7 30. Ra8+ Kc7 31. Rxd8 Rf7 $18) 30. Bd6 Kxa7 31. Bxc7 Qe8 (31...
    Nxh4+ 32. gxh4 Qe8 33. h5 $18) 32. Kxf3 d4 33. Ra1+ Ba6 34. Bd6 Qc6+ 35. Kg4
    Qc2 (35... Qe4+ 36. Kh3 Qf5+ 37. Kg2 Qe4+ 38. Kg1 $18) 36. Qf8 Kb6 (36... Qf5+
    37. Qxf5 exf5+ 38. Kxf5 $18) 37. Qd8+ Kb5 38. Ra5+ Kc4 39. Rc5+ Kd3 40. Rxc2
    Kxc2 41. Bb4 Be2+ 42. Kg5 (42. Kg5 Kd3 43. Bc5 $18) 1-0
    
    [Event "Rilton Cup"]
    [Site "?"]
    [Date "2003.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Nystrom, Ragnar"]
    [Result "1-0"]
    [WhiteElo "1970"]
    [BlackElo "2095"]
    [PlyCount "85"]
    [EventDate "2003.??.??"]
    
    1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 cxb4 5. d4 Bd7 6. a3 Qb6 (6... bxa3 7. Nxa3
    Nc6 8. c3 a6 9. Bd3 b5 10. O-O Be7 11. Nc2 Na5 12. Nb4 Qb6 13. Bg5 h6 14. Bxe7
    Nxe7 15. Nd2 Nc4 16. Bxc4 bxc4 17. Qg4 O-O 18. Rfb1 Bb5 19. f4 f6 20. Nf3 a5
    21. Nc2 {
    Cuartas,C (2330)-Markland,P (2420)/Skopje ol (Men) fin-B 1972/1/2-1/2 (57)}) 7.
    axb4 Bxb4+ 8. c3 Be7 9. h4 $146 (9. Na3 a6 10. Bd3 Nh6 11. O-O Qc7 12. Bxh6
    gxh6 13. Qd2 Bf8 14. Rfc1 Bc6 15. Qf4 Nd7 16. c4 Qd8 17. c5 Bg7 18. Nc2 O-O 19.
    Ne3 f6 20. exf6 Qxf6 21. Qg3 Qf4 22. Ng4 h5 23. Nge5 Nxe5 {
    Rotov,I-Short,N (2690)/Puhajarve EST 2012/0-1}) (9. Bd3 Bb5 10. Qb3 Ba6 11.
    Qa4+ Kf8 12. Qd1 Bxd3 13. Qxd3 Nc6 14. O-O Rc8 15. Be3 Nh6 16. Nbd2 Nf5 17. g4
    Nxe3 18. fxe3 g6 19. h4 h5 20. gxh5 Rxh5 21. Ng5 Bxg5 22. Qxg6 Bxe3+ 23. Kg2
    Rf5 {Osipenko,P-Yakimenko,A (2200)/11th Kesarovski-Stanchev Mem 2012/0-1 (54)})
    9... Bb5 (9... Nc6 $5 $15) 10. Qb3 $11 Ba6 11. Qxb6 axb6 12. Ra4 Nc6 13. Na3
    Na5 14. Nb5 Rc8 15. Nd6+ (15. Ba3 $142 $11) 15... Bxd6 $17 16. exd6 Nf6 17.
    Bxa6 bxa6 18. O-O $2 (18. Ne5 O-O $17) 18... O-O (18... Ne4 $142 $5 $19) 19.
    Ba3 Rc4 (19... Rxc3 $5 20. Ne5 Nc4 21. Nxc4 dxc4 22. Rxa6 $19) 20. Bb4 $17 Nd7
    (20... Ne4 21. Ne5 Nxc3 22. Nxc4 Ne2+ 23. Kh2 Nxc4 24. Rxa6 $16) 21. Ne5 Nxe5
    22. dxe5 f6 23. f4 (23. Rfa1 fxe5 24. Bxa5 Rxa4 (24... bxa5 $143 25. Rxc4 dxc4
    26. Rxa5 $16) 25. Rxa4 bxa5 $15) 23... Rd8 24. g3 Rd7 25. Rfa1 fxe5 (25... Nc6
    26. Rxa6 d4 27. R1a3 $15) 26. fxe5 (26. Bxa5 $142 $5 Rxa4 27. Rxa4 (27. fxe5 $4
    Rxa1+ (27... bxa5 28. Rxa4 Kf7 29. Kf2 $16 (29. Rxa5 $143 Kg6 $11)) 28. Kf2
    Ra2+ 29. Ke3 Rxa5 $19) 27... exf4 28. Bxb6 Rxd6 29. Rxa6 fxg3 30. Ra8+ Kf7 31.
    Bd4 $16) 26... Nc6 $15 27. Rxa6 Nxe5 (27... d4 28. Ra8+ (28. Rxb6 $143 dxc3 29.
    Bxc3 Rxc3 30. Ra8+ Kf7 $17) 28... Kf7 29. h5 $15) 28. h5 (28. Ra8+ $142 $5 Kf7
    29. Rf1+ Kg6 30. Re8 $14) 28... Rc8 $15 29. Rxb6 Nc4 30. Rba6 Rcd8 31. Re1 Nxd6
    32. Rxe6 Ne4 33. Kg2 Nf6 34. h6 Ne8 35. Re5 gxh6 36. Bc5 h5 37. Bd4 Rg7 38.
    Rxh5 Rb7 39. Rah6 Rd6 $4 (39... Rf7 $142 $16) 40. Rg5+ $18 Rg6 (40... Kf8 41.
    Bc5 Rbb6 42. Rxd5 $18 (42. Bxb6 $6 Rxh6 43. Bc5+ Kf7 $16) (42. Bxd6+ $143 Nxd6
    43. Rxd5 Nc4 44. Rxb6 Nxb6 $18)) 41. Rgxg6+ (41. Rhxg6+ $6 hxg6 42. Rxg6+ Kf7
    $18) 41... hxg6 42. Rh8+ Kf7 43. Rh7+ (43. Rh7+ Ke6 44. Rxb7 $18) 1-0
    
    [Event "Rilton Cup"]
    [Site "?"]
    [Date "2004.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Azizi, Haroon"]
    [Result "0-1"]
    [WhiteElo "1970"]
    [BlackElo "2120"]
    [PlyCount "86"]
    [EventDate "2004.??.??"]
    
    1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 cxb4 5. d4 Nc6 6. a3 bxa3 7. c3 Bd7 8. Bd3 b5
    (8... a6 9. O-O h5 10. Ng5 g6 11. Qf3 Nh6 12. Nxf7 Nxf7 13. Bxg6 Rh7 14. Bxh7 {
    1-0 Kabanov,N (2495)-Ivanov,V (2260)/11th Master Open, Voronezh RUS 2007}) (
    8... Nh6 9. Bxh6 gxh6 10. Nxa3 Bxa3 11. Rxa3 Qe7 12. Qb3 b6 13. O-O Na5 14. Qa2
    O-O 15. Ra1 f5 16. Qd2 Qg7 17. Qe2 Kh8 18. Nd2 Rg8 19. f4 Be8 20. g3 h5 21. Nf3
    Rc8 22. Kf2 Rc7 23. Rb1 {egomi (1630)-ludice (1760)/kurnik 2011/0-1 (34)}) 9.
    Ng5 Be7 $146 (9... b4 10. Nxh7 Be7 11. Qh5 Qb6 12. O-O a5 13. Nf6+ gxf6 14.
    Qxh8 O-O-O 15. Bxa3 fxe5 16. cxb4 Qxd4 17. b5 Nb4 18. Bxb4 Bxb4 19. b6 Qxa1 20.
    Ba6+ Kb8 21. Nd2 Qd4 22. Nf3 Qxb6 23. Nxe5 Qxa6 24. Nxd7+ {
    Haub,T (2310)-Lazic,M (2430)/Munich op 1992/0-1 (35)}) 10. h4 h6 (10... b4 $142
    $5 $17) 11. Nxf7 $11 Kxf7 12. Qh5+ Kf8 13. Rh3 b4 14. Rf3+ Nf6 $1 15. exf6 Bxf6
    (15... gxf6 $4 16. Bxh6+ Rxh6 17. Qxh6+ Kg8 18. Rg3+ Kf7 19. Qg7+ Ke8 20. Bg6#)
    16. g4 Be8 17. Bg6 Ne7 18. Bxe8 Qxe8 19. Qe5 Ng6 20. Qh5 (20. Qg3 a5 21. h5 Ne7
    $19) 20... Ke7 (20... a5 21. Bd2 Rb8 22. Ra2 $19) 21. Re3 (21. Rxf6 $142 Kxf6
    22. cxb4 $19) 21... Nf4 22. Rxe6+ $4 (22. Qxe8+ Raxe8 23. Rg3 $19) 22... Nxe6
    23. Qxd5 Qd7 24. Qe4 Rhe8 25. g5 (25. Be3 bxc3 26. Nxc3 Kf7 $19) 25... Kf8 26.
    Be3 hxg5 27. Qf5 gxh4 28. Kf1 Rad8 29. Qa5 Nf4 (29... bxc3 $142 30. Qxc3 Qd5
    31. Kg1 $19) 30. Qxb4+ Be7 31. Qa5 Qh3+ 32. Ke1 Ng2+ 33. Kd2 (33. Ke2 Nxe3 34.
    fxe3 Qg2+ 35. Ke1 Rd5 $19) 33... Nxe3 34. fxe3 Qg2+ 35. Kd1 Rd5 36. Qxa7 h3 (
    36... Rb5 37. Qa4 Qf1+ 38. Kd2 Rb2+ 39. Qc2 Qf2+ 40. Kd3 Qxc2+ 41. Kc4 Rc8+ 42.
    Kd5 Qf5#) 37. Nd2 $19 Qg1+ 38. Ke2 Qxa1 39. Qb7 Rg5 40. Qf3+ Bf6 41. Qxh3 Qxc3
    42. Qh8+ Kf7 43. Qh3 Rxe3+ $1 (43... Rxe3+ 44. Qxe3 Rg2+ 45. Kf3 Rg3+ (45...
    Rxd2 46. Qxc3 a2 47. Qc7+ Kg6 48. Qg3+ Bg5 49. Qe1 $19) 46. Kxg3 Qxe3+ 47. Kg2
    Qxd2+ 48. Kf3 Qd3+ 49. Kf2 Bh4+ 50. Kg2 a2 51. d5 Qg3+ 52. Kf1 Qf2#) 0-1
    
    [Event "Internet Section"]
    [Site "?"]
    [Date "2003.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Harrison, Jorge Sosa"]
    [Result "0-1"]
    [PlyCount "84"]
    [EventDate "2003.??.??"]
    
    1. e4 c5 2. b4 cxb4 3. a3 e6 4. axb4 Bxb4 5. c3 Be7 6. d4 d6 7. Bd3 Nc6 8. f4
    Nf6 9. Nf3 Qc7 (9... O-O 10. Na3 a6 11. Bd2 Bd7 12. Qe2 b5 13. h4 Ng4 14. e5 f5
    15. exd6 Bxd6 16. Ne5 Ncxe5 17. fxe5 Bxa3 18. Rxa3 Bc6 19. Bg5 Qd5 20. O-O h6
    21. Be3 Bb7 22. c4 bxc4 23. Bxc4 Qe4 24. Bxe6+ {
    aaaakuku-zetkaq (1690)/kurnik 2013/0-1 (43)}) 10. g3 $146 (10. O-O a6 (10... e5
    11. d5 Nb8 12. Qc2 Nbd7 13. Na3 Nc5 14. Nc4 Ncxe4 15. fxe5 dxe5 16. Nfxe5 Qc5+
    17. Be3 Qxd5 18. Bxe4 Qxe4 19. Qxe4 Nxe4 20. Nb6 Rb8 21. Nxc8 Rxc8 22. Rxa7 Bf6
    23. Ng4 Bxc3 24. Rxb7 O-O 25. g3 {
    Kavuza,V-Muntian,A/UKR-ch sf U14 1999/0-1 (51)}) 11. h3 O-O 12. Qe1 e5 13. d5
    Nd8 14. f5 b5 15. Be3 Bb7 16. g4 g6 17. g5 gxf5 18. gxf6 Bxf6 19. exf5 Bxd5 20.
    Ng5 Bxg5 21. Bxg5 f6 22. Bh6 Re8 23. Kh2 Kh8 24. Rg1 Rg8 {
    steffanovo (1725)-avtomobil (1635)/kurnik 2012/1-0}) (10. Bd2 e5 11. d5 Na5 12.
    Na3 Bd7 13. Nb5 Bxb5 14. Bxb5+ Nd7 15. Bxd7+ Kxd7 16. Qa4+ Nc6 17. dxc6+ bxc6
    18. fxe5 dxe5 19. O-O Rhd8 20. Ng5 Bxg5 21. Bxg5 f6 22. Bc1 Ke7 23. Qc4 Kf8 24.
    Ba3+ Ke8 {juzekbond (1630)-victorsgaia (1615)/playok.com 2012/1-0}) 10... h6
    11. Kf1 e5 12. d5 Bh3+ 13. Ke1 Nb8 14. fxe5 dxe5 15. Qd2 Nbd7 16. Ng1 Bg4 17.
    h3 Bh5 18. g4 (18. Qc2 $142 $19) 18... Bg6 19. Qe2 O-O (19... Nc5 20. Bb5+ Kd8
    21. Be3 Bxe4 22. Nf3 $19) 20. Be3 $2 (20. g5 hxg5 21. Bxg5 Nxd5 22. exd5 Bxd3
    23. Qxd3 Bxg5 $19) 20... Bc5 (20... Nxe4 $143 21. Qb2 $19) 21. g5 Bxe3 $4 (
    21... Nxe4 $142 22. gxh6 Ng3 $19) 22. gxf6 $17 Bf4 23. fxg7 Kxg7 24. h4 Nf6 25.
    h5 Bh7 26. Nh3 Kh8 27. Nxf4 exf4 28. Kd2 Qe5 (28... Bxe4 $142 $5 29. Bxe4 Rfe8
    $19) 29. Re1 a6 30. Na3 b5 (30... Nxh5 $6 31. Nc4 Qg5 32. Qf3 $11) 31. Nc2 Rg8
    (31... Nxh5 $6 32. Nb4 $17) (31... Qxh5 $6 32. Qxh5 Nxh5 33. Nb4 $17) 32. Nd4
    Rg3 33. Nf3 Qxh5 34. Rf1 Rag8 $4 (34... Qg6 35. Rae1 Re8 36. Qd1 $19) 35. Rf2
    $4 (35. Rxa6 $142 Rg2 36. Rf2 $17) 35... Ng4 (35... Bxe4 $142 $5 36. Bxe4 Re8
    37. Rxa6 Nxe4+ 38. Kc1 Qxd5 39. Rh2 $19) 36. Rff1 Ne5 37. Rxa6 $4 (37. Nxe5
    Qxe5 38. Rf3 (38. Rxa6 $4 Re3 $19) 38... Rxf3 39. Qxf3 $19) 37... Rg2 (37...
    Nxf3+ $143 38. Kc1 $19) 38. Rf2 (38. Nxe5 Rxe2+ (38... Qxe5 $6 39. Rf2 b4 40.
    Rxg2 Qxc3+ 41. Kd1 Rxg2 42. Ra8+ Rg8 43. Rxg8+ Kxg8 44. Qd2 $19) 39. Bxe2 Qxe5
    40. Rxh6 b4 41. Rxh7+ Kxh7 42. Rh1+ Kg7 43. Rg1+ Kf8 44. Rxg8+ Kxg8 45. cxb4
    Qxe4 $19) 38... Nxf3+ 39. Kc2 Qh2 40. Rxh6 Qxh6 41. Rxg2 (41. Qxf3 Qh2 42. Re2
    $19) 41... Rxg2 42. Qxg2 Ne1+ (42... Ne1+ 43. Kb3 Nxg2 $19) 0-1
    
    [Event "Southend op"]
    [Site "?"]
    [Date "2009.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Hebbes, Tim"]
    [Result "0-1"]
    [WhiteElo "1995"]
    [BlackElo "2105"]
    [PlyCount "75"]
    [EventDate "2009.??.??"]
    
    1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 cxb4 5. d4 Ne7 6. a3 Nf5 7. axb4 Bxb4+ 8. c3
    Be7 9. h4 (9. Bd3 Nc6 10. O-O Bd7 (10... O-O 11. g4 Nh4 12. Nxh4 Bxh4 13. f4
    Be7 14. Qc2 g6 15. f5 exf5 16. gxf5 Bxf5 17. Bxf5 gxf5 18. Bh6 Kh8 19. Kh1 f6
    20. e6 {
    0-1 Lopez,M (1985)-Fedorchuk,S (2630)/Aix les Bains FRA, Grand Prix FFE 2012})
    11. Na3 a6 12. Nc2 Na5 13. Ne3 Nxe3 14. fxe3 Bb5 15. Ne1 O-O 16. Rf3 Bxd3 17.
    Nxd3 Rc8 18. Bd2 Nc4 19. Rg3 f5 20. Nf4 Rc6 21. Be1 Bg5 22. Qh5 Bxf4 23. exf4
    Qe8 {Dankert,P (2365)-Hort,V (2575)/Bundesliga 1981/1/2-1/2 (38)}) 9... Nxh4
    $146 (9... h5 10. Bd3 Nc6 11. Bg5 a6 12. Nbd2 Qc7 13. Nf1 Bd7 14. Ne3 Nxe3 15.
    fxe3 Bxg5 16. Nxg5 f6 17. Bg6+ Ke7 18. Nf7 Rhf8 19. Qxh5 Nd8 20. Nxd8 Qxc3+ 21.
    Kf2 Raxd8 22. Rhe1 fxe5+ 23. Kg3 exd4 24. Rac1 {
    Perez,F (2275)-Nezar,M (2390)/TOP 2009/0-1 (32)}) (9... h6 $142 $17) 10. Nxh4
    $14 Bxh4 11. Qg4 Be7 12. Qxg7 Rf8 13. Rxh7 Qb6 14. Bd3 Nc6 15. Na3 Bd7 16. Rb1
    (16. Nc2 $142 $5 $14) 16... Qa5 $11 17. Nb5 a6 18. Nd6+ (18. Bg6 $5 axb5 19.
    Bxf7+ Kd8 20. Bd2 $17) 18... Bxd6 $19 19. exd6 $4 (19. Bd2 $142 Be7 20. Rxb7
    $19) 19... Qxc3+ 20. Bd2 Qxd3 21. Rd1 O-O-O (21... Nxd4 22. Qxf8+ Kxf8 23. Bh6+
    Kg8 24. Rg7+ (24. Rxd3 $4 Kxh7 25. Bd2 e5 $19) 24... Kh8 25. Rxd3 $16) 22. Rh3
    (22. Be3 Qc3+ 23. Bd2 Qc2 $19) 22... Qe4+ 23. Re3 Rg8 24. Qxf7 (24. Qxg8 Rxg8
    25. Rxe4 dxe4 26. g3 $19) 24... Qxg2 25. Qf4 Rg4 26. Qf6 Qg1+ 27. Ke2 Nxd4+ 28.
    Qxd4 Qxd1+ $1 29. Kxd1 Rxd4 30. Kc1 Re4 31. Rg3 (31. Rxe4 dxe4 32. Be3 Bb5 $19)
    31... Be8 32. Ba5 Rxd6 33. Rg7 b6 34. Bd2 Rc4+ 35. Kb2 Rd7 36. Rg8 Rd8 37. Bg5
    Rc2+ $1 38. Ka3 (38. Kxc2 Ba4+ {Double attack}) 0-1
    
    [Event "Heart of Finland op"]
    [Site "?"]
    [Date "1997.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Raaste, Eero J"]
    [Result "0-1"]
    [BlackElo "2340"]
    [PlyCount "72"]
    [EventDate "1997.??.??"]
    
    1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 cxb4 5. d4 Nc6 6. a3 f6 7. axb4 Bxb4+ 8. c3
    Be7 9. Bd3 f5 (9... fxe5 10. dxe5 Nh6 11. Bxh6 gxh6 12. Nbd2 Qc7 13. Qe2 O-O
    14. O-O Rf7 15. Ra4 Bd7 16. Re1 Rg7 17. Rf4 Rf8 18. Qe3 Be8 19. Nf1 Bc5 20.
    Rxf8+ Bxf8 21. Ng3 b6 22. Nd4 Nxd4 23. cxd4 h5 24. f4 {
    Nokes,R (2290)-Saric,I (2555)/38th Olympiad, Dresden GER 2008/1/2-1/2 (50)})
    10. h4 $146 (10. O-O g5 11. Nxg5 Kd7 12. Nf7 Qf8 13. Nxh8 Qg7 14. Na3 a6 15.
    Bf4 Qxh8 16. Qd2 h5 17. Rfb1 Kc7 18. Nb5+ Kd7 19. Nd6 Bxd6 20. exd6 Nd8 21.
    Bb5+ axb5 22. Rxa8 Nf7 23. Rxb5 Nxd6 24. Bxd6 Kxd6 {
    vuirweirv (1860)-paw888 (1815)/kurnik 2011/1-0}) (10. g4 fxg4 11. Ng1 h5 12.
    Bg6+ Kd7 13. Ne2 Nh6 14. Bxh5 Nf5 15. Bxg4 Nh4 16. Nf4 Rh6 17. Nxd5 Bg5 18. f4
    Be7 19. Qb3 Ke8 20. Nb6 Rb8 21. Nxc8 Rxc8 22. Bxe6 Nxd4 23. Qa4+ b5 24. Qxd4
    Qxd4 {vuirweirv (1900)-korbul (2030)/kurnik 2012/0-1 (52)}) 10... Nh6 11. Ng5 (
    11. Bxh6 $5 gxh6 12. Qd2 $11) 11... O-O $17 12. Na3 a6 13. Nb5 Na5 14. Nd6 Bxd6
    15. exd6 Nc4 16. Bxc4 dxc4 17. Bf4 Bd7 18. Kf1 Ng4 19. Qe2 {
    Exerts pressure on the backward pawn} Re8 20. Re1 (20. Qxc4 $4 Bb5 21. Qxb5
    axb5 $19) 20... Bc6 21. Rh3 Bd5 22. Rg3 b5 23. Rxg4 (23. h5 $5 Qd7 24. Kg1 $17)
    23... fxg4 $19 24. Qc2 g6 25. h5 (25. Qe2 h6 26. Ne4 Qxh4 27. Qxg4 Qxg4 28.
    Nf6+ Kg7 29. Nxg4 h5 $19) 25... Qf6 26. g3 Qf5 27. Qc1 (27. Qxf5 exf5 28. Re5
    Rxe5 29. dxe5 gxh5 $19) 27... h6 28. Nf7 (28. Re5 Qd3+ 29. Ke1 gxh5 30. f3 $19)
    28... Kxf7 29. hxg6+ Kg8 (29... Qxg6 30. Re3 $19) 30. Re3 (30. Re5 Qd3+ 31. Ke1
    Rad8 $19) 30... Ra7 (30... Qxg6 31. Ke1 $19) 31. Ke2 (31. Re5 Qxg6 32. Bxh6 Kf7
    $19) 31... a5 (31... Qxg6 $5 32. Ke1 $19) 32. Bxh6 b4 33. Qa1 (33. Ke1 Qxg6 34.
    Re5 Kf7 $19) 33... Bf3+ (33... Qxg6 $5 34. Qa4 b3 35. d7 $19) 34. Kd2 b3 35.
    Bf4 (35. Qc1 $19) 35... Qc2+ 36. Ke1 b2 (36... b2 37. Kf1 bxa1=R+ 38. Re1 Rxe1+
    39. Kxe1 Qe2#) 0-1
    
    [Event "Copenhagen DEN, Politiken Cup"]
    [Site "?"]
    [Date "2013.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Ivarsson, Torbjorn"]
    [Result "1-0"]
    [WhiteElo "1910"]
    [BlackElo "2120"]
    [PlyCount "135"]
    [EventDate "2013.??.??"]
    
    1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 (4. Nc3 $5 $11) 4... cxb4 $15 5. a3 Nc6 6.
    axb4 Bxb4 7. c3 Be7 8. d4 Bd7 9. Bd3 f5 10. h4 Qc7 11. Kf1 a6 12. g4 (12. Rh3
    Na7 $15) 12... fxg4 13. Ng5 Nh6 14. Nxh7 (14. Bxh7 a5 $15) 14... O-O-O (14...
    Nf5 15. Ng5 $17) 15. Kg2 Kb8 16. Qe2 (16. h5 Rdg8 $15) 16... Na5 (16... Nf5 17.
    Bxf5 exf5 18. Ng5 $17) 17. Ba3 (17. Bg5 $142 $5 Nc6 18. Bc1 $11) 17... Bxa3 $17
    18. Nxa3 (18. Rxa3 $142 Nc4 19. Ra1 $17) 18... Nc4 19. Rhb1 (19. Nxc4 dxc4 {
    Combination}) (19. Bxc4 Rxh7 {Deflection}) 19... Nf5 $17 20. Nxc4 dxc4 (20...
    Rxh7 21. Nd6 Bb5 22. Bxb5 axb5 23. Nxb7 Nxh4+ 24. Kf1 Qxb7 25. Rxb5 $18) (20...
    Nxh4+ 21. Kf1 dxc4 22. Be4 $14) 21. Be4 Bc6 (21... Bb5 $5 22. Ng5 Qe7 23. Rxb5
    Nxh4+ 24. Kf1 axb5 $18) 22. Ng5 $11 Nxh4+ 23. Kf1 Nf3 (23... Bxe4 24. Qxe4 Nf3
    25. Nxf3 gxf3 26. Qxf3 $11) 24. Nxf3 (24. Nxe6 $5 Qf7 25. Nxd8 Rh1+ 26. Kg2
    Rh2+ 27. Kg3 Rh3+ 28. Kg2 Rh2+ 29. Kg3 Rh3+ 30. Kg2 Rh2+ $11) 24... gxf3 $11
    25. Qxf3 Rdf8 26. Qg2 (26. Bxc6 $142 $5 Rxf3 27. Bxf3 $11) 26... Bxe4 $17 27.
    Qxe4 Ka7 28. Rb2 Rf7 29. Rab1 (29. Qg2 $5 $15) 29... b5 $17 30. Ra1 Qb7 31.
    Qxb7+ Kxb7 32. Kg2 Rf5 33. Rba2 Rg5+ 34. Kf3 Rh3+ 35. Kf4 Rf5+ 36. Kg4 Rxc3 37.
    Rxa6 Rd3 38. Rxe6 Rxf2 39. Re7+ (39. Rb1 Rxd4+ 40. Kg3 Rc2 41. Rxb5+ Kc7 $17)
    39... Kc6 $19 40. Re6+ Kd5 41. Rd6+ Ke4 42. Re1+ Re3 43. Rxe3+ Kxe3 44. e6 Kd2
    (44... c3 45. d5 Rf4+ 46. Kg3 $19) 45. Rb6 c3 46. Rxb5 c2 47. Rc5 g6 (47...
    c1=Q $142 48. Rxc1 Kxc1 $17) 48. d5 Re2 49. Kg5 c1=Q (49... Re3 50. Rxc2+ Kxc2
    $14) 50. Rxc1 $16 Kxc1 51. Kf6 (51. Kxg6 $6 Re5 $11) 51... g5 $2 (51... Rf2+
    52. Ke7 g5 $14) 52. d6 $18 {White intends e7} g4 53. d7 Rd2 54. e7 Rxd7 55.
    e8=Q Rd3 56. Qe2 Rd2 57. Qc4+ Kd1 58. Kg5 g3 59. Qb3+ Ke1 60. Qxg3+ Rf2 61. Kg4
    Kf1 62. Qd3+ Kg1 63. Qd1+ Kg2 64. Qd3 Kg1 65. Qe4 Kh2 66. Qe5+ Kg2 67. Qe1 Rf3
    (67... Rf8 68. Qe4+ Kf2 $18) 68. Qe4 (68. Qe4 Kf1 69. Kxf3 Kg1 70. Qg6+ Kf1 71.
    Qb1#) 1-0
    
    [Event "Stockholm SWE, Elo Challenge"]
    [Site "?"]
    [Date "2014.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Dufour, Jacques"]
    [Result "1-0"]
    [WhiteElo "1875"]
    [BlackElo "1660"]
    [PlyCount "33"]
    [EventDate "2014.??.??"]
    
    1. e4 c5 (1... e5 2. Nf3 Nc6 3. Nc3 $11) 2. a3 (2. Nf3 Nc6 $14) 2... Nc6 3. b4
    (3. Nc3 $5 $11) 3... cxb4 4. axb4 Nxb4 5. d4 (5. Nc3 Nf6 $15) 5... d5 (5... e6
    $5 $15) 6. c3 $11 Nc6 7. exd5 Qxd5 8. Na3 e6 (8... Qa5 $142 9. Bd2 Nf6 $11) 9.
    Nb5 $16 Bd6 $2 (9... Kd8 $142 10. Nf3 Bd7 $16) 10. Qg4 $18 g6 (10... Nxd4 11.
    Nxd6+ Qxd6 12. cxd4 Ne7 13. Qxg7 Rg8 $18) 11. Bc4 $3 Nf6 (11... Qxc4 12. Nxd6+
    {Double attack} (12. Nxd6+ {Deflection}) (12. Nxd6+ {Decoy})) 12. Bxd5 Nxg4 13.
    Bxc6+ bxc6 (13... Ke7 14. Bf3 Nf6 15. Nxd6 Kxd6 16. Nh3 $18) 14. Nxd6+ Ke7 (
    14... Kd7 15. Ba3 f5 16. Nf3 $18) 15. Ba3 Kd7 (15... Kf6 16. h3 Nh6 17. Ne4+
    Kg7 18. Be7 $18) 16. Nxf7 Nxf2 (16... Rg8 $18) 17. Kxf2 (17. Kxf2 Rg8 18. Nf3
    $18) 1-0
    
    [Event "Stockholm SWE, Elo Challenge"]
    [Site "?"]
    [Date "2014.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Nilsson, Christer"]
    [Result "1-0"]
    [WhiteElo "1875"]
    [BlackElo "2020"]
    [PlyCount "93"]
    [EventDate "2014.??.??"]
    
    1. e4 e6 (1... e5 2. Nf3 Nc6 3. Nc3 $11) 2. Nf3 $14 d5 3. e5 (3. exd5 Nf6 $14)
    3... c5 $11 4. b4 (4. Bb5+ $5 Nc6 5. d4 $11) 4... cxb4 $15 5. d4 Nc6 6. a3 f6 (
    6... Qa5 7. Bd3 $15) 7. axb4 $15 Bxb4+ 8. c3 Be7 9. Bd3 fxe5 10. dxe5 Nh6 11.
    Bf4 (11. O-O Nf5 $15) 11... Nf7 (11... g5 12. Be3 $17) 12. h4 Qc7 (12... O-O
    13. Nbd2 $17) 13. Kf1 (13. O-O O-O (13... Ncxe5 $4 14. Nxe5 Bd6 15. Nxf7 Kxf7
    16. Qh5+ Ke7 17. Bxd6+ Qxd6 18. Re1 $18) (13... Nfxe5 $2 14. Nxe5 O-O 15. Qh5
    $18) 14. Re1 Bc5 $15) 13... a6 (13... O-O 14. Qe2 $17) 14. Qe2 Bd7 15. Nbd2 (
    15. Rh3 Nh6 $15) 15... Na5 (15... O-O $5 $17) 16. c4 $15 dxc4 17. Nxc4 Nxc4 18.
    Bxc4 Rc8 19. Bd3 Bc6 (19... O-O 20. Kg1 $11) 20. Rh3 Rd8 21. Kg1 Rd5 22. Rc1
    Qb6 (22... Rc5 23. Rxc5 Bxc5 24. Rg3 $11) 23. Ng5 (23. Bc4 O-O $14) 23... Nxg5
    24. hxg5 Kd7 25. Be3 Qa5 26. f4 (26. g6 h6 $14) 26... Bb5 27. Rd1 (27. Bxb5+
    Qxb5 28. Qc2 Qc6 $14) 27... Bxd3 28. Rxd3 Kc8 29. Kh1 (29. Rb3 Bc5 $11) 29...
    Kb8 30. Bf2 (30. Qc2 Rxd3 31. Qxd3 Bc5 32. Bxc5 Qxc5 $15) 30... Rxd3 (30... Qb5
    31. Qd1 Rxd3 32. Rxd3 $15) 31. Qxd3 $15 Qb4 32. Rf3 (32. Be3 Bc5 33. Bxc5 Qxc5
    $15) 32... g6 (32... h6 33. gxh6 Rxh6+ 34. Kg1 $17) 33. Qe3 b6 (33... h6 34.
    Rh3 h5 $15) 34. Be1 $2 (34. Qxb6+ Qxb6 35. Bxb6 Kb7 $11) 34... Qc5 (34... Qb1
    $142 $5 35. Kh2 a5 $17) 35. Qb3 $11 Qc6 36. Rc3 Bc5 37. Bf2 Ka7 38. Bxc5 bxc5
    39. Qc4 (39. Qc2 Rc8 $11) 39... Qd5 (39... Rd8 40. Kg1 $15) 40. Qxd5 $11 exd5
    41. Rxc5 Kb6 (41... Rd8 42. Rc1 $11) 42. Rxd5 $14 a5 43. g4 a4 44. f5 a3 $4 (
    44... gxf5 $142 45. gxf5 Ra8 $14) 45. f6 $18 a2 (45... h5 46. gxh6 $1 Rxh6+ 47.
    Kg2 $18) 46. Rd1 Ra8 (46... Rb8 47. Kg2 Rd8 48. Ra1 $18) 47. f7 (47. f7 Kc7 48.
    e6 $18) 1-0
    
    [Event "Reykjavik Open"]
    [Site "?"]
    [Date "2013.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Doell, Detlef"]
    [Result "0-1"]
    [WhiteElo "1910"]
    [BlackElo "2040"]
    [PlyCount "115"]
    [EventDate "2013.??.??"]
    
    1. e4 c5 (1... Nc6 2. d4 d5 3. exd5 Qxd5 4. Nf3 $14) 2. a3 (2. Nf3 Nc6 $14)
    2... Nc6 3. b4 (3. Nc3 $5 $14) 3... cxb4 (3... Nf6 4. Nc3 $15) 4. axb4 $11 Nxb4
    5. d4 (5. Nc3 Nf6 $11) 5... d5 6. c3 Nc6 7. e5 Bf5 (7... g6 8. Nf3 $15) 8. g4 (
    8. Bd3 Bxd3 9. Qxd3 e6 $15) 8... Bg6 (8... Be6 9. h3 $17) 9. h4 (9. Nh3 e6 $17)
    9... h5 10. g5 e6 11. Nh3 Bf5 (11... Nge7 12. Nd2 $17) 12. Nf4 g6 13. Ng2 (13.
    Nd2 $5 $17) 13... Nge7 14. Ne3 Nc8 (14... Bg7 $142 $5 $19) 15. Nxf5 $15 exf5
    16. Rh3 (16. Bd3 Nb6 $15) 16... Nb6 17. Nd2 Be7 18. Nf3 Qc8 (18... Qc7 19. Qb3
    $17) 19. Ng1 Nd8 20. e6 $2 (20. Ne2 $142 $17) 20... Nxe6 $19 21. f4 (21. Nf3
    O-O 22. Ne5 Rd8 $19) 21... Bd6 (21... O-O 22. Kf2 $19) 22. Bb5+ Kf8 23. Rf3 (
    23. Ne2 Qc7 $19) 23... Kg7 24. Kf2 Qc7 (24... a6 25. Be2 $19) 25. Ne2 a6 26.
    Bd3 Nc4 27. Qc2 (27. Bxc4 Qxc4 28. Ba3 Bxa3 29. Rxa3 Qc6 $19) 27... Rhe8 (27...
    b5 $142 28. Qb3 $19) 28. Ng3 (28. Qa2 b5 $19) 28... Bxf4 29. Bxf5 (29. Kg2 a5
    $19) 29... Bxg3+ 30. Rxg3 Nf4 31. Bd3 Nxd3+ 32. Qxd3 Re4 33. Qf3 (33. Rg2 Rae8
    34. Qf3 Nd6 $19) 33... Rae8 34. Ra2 (34. Rh3 $19) 34... Ne3 (34... Nd6 35. Bf4
    Rxf4 36. Qxf4 Ne4+ 37. Kf3 $19) 35. Qf6+ $4 (35. Bxe3 $142 Qxc3 36. Qf6+ Kg8
    37. Re2 $15) 35... Kg8 $19 36. Bxe3 R8e6 37. Re2 (37. Qxe6 fxe6 38. Kg2 Rxh4
    $19) 37... Rxf6+ 38. gxf6 Qxc3 39. Rf3 (39. Kg2 b5 40. Bf2 Qxg3+ (40... Rxe2
    41. Rxc3 Kf8 42. Kf3 $14) 41. Bxg3 Rxe2+ 42. Kf3 Rb2 $19) 39... Rxh4 40. Kg3 (
    40. Kg2 Qd3 41. Ref2 Qb1 $19) 40... Rg4+ 41. Kf2 (41. Kh2 Rxd4 42. Kg2 Rg4+ 43.
    Kf2 d4 $19) 41... a5 42. Re1 (42. Rd2 a4 43. Re2 a3 $19) 42... a4 43. Rc1 (43.
    Bf4 Qxd4+ 44. Be3 Qb2+ 45. Re2 $19) 43... Qb2+ 44. Ke1 Rg1+ $1 45. Rf1 Rg2 46.
    Rc8+ Kh7 47. Rf2 Rg1+ (47... Qb1+ $142 $5 48. Rc1 Rg1+ 49. Rf1 Rxf1+ 50. Kxf1
    Qd3+ 51. Kf2 $19) 48. Rf1 Qb1+ 49. Rc1 Rxf1+ 50. Kxf1 Qf5+ (50... Qd3+ $142 $5
    51. Kf2 a3 52. Kf3 $19) 51. Ke2 Qxf6 (51... a3 52. Ra1 Qc2+ 53. Kf3 $19) 52.
    Rf1 (52. Ra1 Qa6+ 53. Kf2 Qd3 $19) 52... Qa6+ 53. Kf2 a3 54. Bd2 Qd3 55. Ke1 a2
    56. Rxf7+ Kg8 57. Rc7 a1=Q+ 58. Rc1 0-1
    
    [Event "Reykjavik Open"]
    [Site "?"]
    [Date "2013.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Hilmarsson, Andri Steinn"]
    [Result "1-0"]
    [WhiteElo "1910"]
    [PlyCount "32"]
    [EventDate "2013.??.??"]
    
    1. e4 e6 (1... e5 2. Nf3 Nc6 3. Nc3 $11) 2. Nf3 d5 3. e5 (3. exd5 Nf6 4. dxe6
    Bxe6 $14) 3... c5 4. b4 (4. Nc3 $5 $14) 4... c4 (4... cxb4 $5 5. a3 Nc6 $15) 5.
    c3 a5 6. b5 (6. d3 axb4 7. dxc4 Nc6 8. cxd5 Qxd5 9. Qxd5 exd5 $11) 6... Nd7 7.
    d4 cxd3 8. Bxd3 (8. Qxd3 $143 f6 $17) 8... f6 9. Bf4 (9. O-O fxe5 (9... Nxe5
    $143 10. Nxe5 fxe5 11. Qh5+ g6 12. Bxg6+ Kd7 13. Bc2 $16) 10. Ng5 Ndf6 $17)
    9... fxe5 10. Nxe5 Nxe5 (10... Qf6 11. Nxd7 Bxd7 12. g3 $15) 11. Bxe5 $11 Qg5
    12. Bg3 Bd7 (12... Nf6 13. Nd2 $11) 13. Nd2 Rc8 (13... Nf6 14. O-O $14) 14. Nf3
    $14 Qh5 15. Rc1 (15. O-O Nf6 $14) 15... Nh6 16. Be2 Qg5 1-0
    
    [Event "Politiken Cup"]
    [Site "?"]
    [Date "2015.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Formanek, E."]
    [Result "0-1"]
    [WhiteElo "1895"]
    [BlackElo "2120"]
    [PlyCount "33"]
    [EventDate "2015.??.??"]
    
    1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 c4 5. a3 a5 6. b5 a4 (6... Qb6 7. d3 cxd3 8.
    cxd3 Qxb5 9. Nc3 Qd7 10. Na4 Qd8 11. Qb3 Nd7 12. d4 Ne7 13. h4 Nc6 14. h5 Be7
    15. Bd3 h6 16. Rh3 Bg5 17. Rg3 Bxc1 18. Rxc1 O-O 19. Bb1 f5 20. exf6 Rxf6 21.
    Qd3 {Smerdon,D (2520)-Petersen,S (2245)/Aegean Open 2015/1-0 (47)}) (6... Nd7
    7. d4 cxd3 8. Bxd3 Nc5 9. O-O Ne7 10. Nc3 Nxd3 11. cxd3 Nf5 12. Bg5 Qd7 13. Na4
    Rb8 14. g4 Nh6 15. Nb6 Qc7 16. Nxc8 Rxc8 17. b6 Qd7 18. h3 Bc5 19. Qd2 Qb5 20.
    d4 Bxb6 21. Rab1 {
    Kesaris,E (1890)-Papasimakopoulos,V (1990)/World Amateur Open 2015/0-1 (42)})
    7. d4 $146 (7. c3 Bd7 8. Nd4 Ne7 9. d3 cxd3 10. Bxd3 Ng6 11. f4 Bc5 12. O-O Qb6
    13. Be3 O-O 14. Qe2 f6 15. Nd2 fxe5 16. Bxg6 exd4 17. Bxh7+ Kxh7 18. cxd4 Bxd4
    19. Bxd4 Qxd4+ 20. Kh1 Rxf4 21. Qh5+ Kg8 {
    ivo3000 (1605)-kallekusta (1835)/kurnik 2014/0-1}) (7. d3 $5 cxd3 8. Bxd3 $14)
    7... Qa5+ $14 8. c3 (8. Bd2 $142 $5 Qxb5 9. Nc3 $11) 8... Qxb5 $17 9. Qd2 Nc6
    10. Qf4 Na5 11. Nbd2 Qd7 12. Bb2 Ra6 13. Be2 Rb6 14. Bc1 Ne7 15. h4 Ng6 16. Bd1
    $4 (16. Qe3 $142 $17) 16... Nc6 (16... Nxf4 $142 17. O-O Nd3 $19) 17. Nb1 0-1
    
    [Event "Paignton Ron Bruce Premier"]
    [Site "?"]
    [Date "2011.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Burke, Steven J"]
    [Result "0-1"]
    [WhiteElo "1960"]
    [BlackElo "2035"]
    [PlyCount "96"]
    [EventDate "2011.??.??"]
    
    1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 b6 5. c3 Nc6 (5... Qc7 6. a3 c4 7. d3 cxd3 8.
    Bxd3 Ne7 9. O-O Ng6 10. Qe2 Be7 11. Re1 Bb7 12. Nd4 O-O 13. f4 a5 14. Ra2 Nc6
    15. b5 Nb8 16. Be3 Nd7 17. Rc2 Nc5 18. Bxg6 hxg6 19. c4 dxc4 20. Rxc4 {
    Perlo,G (2440)-Mraz,M (2520)/WC19/TQF2 1999/Inf 09/0-1 (50)}) 6. a3 Bd7 7. d4
    c4 $146 (7... a5 8. b5 Na7 9. a4 Rc8 10. Ba3 Nh6 11. Bd3 g6 12. O-O Nf5 13. Re1
    Be7 14. Nbd2 h5 15. Nf1 Rc7 16. Ne3 Nc8 17. g3 Rb7 18. h4 Qc7 19. Qd2 Kd8 20.
    Rac1 c4 21. Bxe7+ Ncxe7 22. Bxf5 {Latifpour,M (1800)-Khoshkalam,S (2260)/12th
    Iranian Blitz Men Championship 2015/0-1 (36)}) (7... Be7 8. Bd3 Qc7 9. O-O f6
    10. b5 Na5 11. Bf4 f5 12. a4 c4 13. Bc2 O-O-O 14. Nbd2 h6 15. h4 g5 16. hxg5
    hxg5 17. Nxg5 Nh6 18. g3 Rdg8 19. Ndf3 Qd8 20. Qd2 Qf8 21. Kg2 Qg7 22. Rh1 {
    Nunes,M (1795)-Rocancourt Moreira,M (2020)/CCXC - Prof Nilo Sales - Etapa 2016/
    1-0 (46)}) (7... a5 8. b5 Na7 9. a4 $14) 8. a4 (8. Be2 Be7 $14) 8... a6 9. Be2
    Nce7 (9... Nge7 10. Bg5 $11) 10. Qd2 (10. O-O Nc6 $14) 10... Qc7 (10... Nc6 11.
    O-O $14) 11. Bd1 h6 (11... f6 12. O-O $14) 12. h4 (12. O-O Nc6 $14) 12... O-O-O
    (12... Nc6 13. Bc2 $14) 13. Qe2 Kb7 14. Bc2 Be8 (14... f5 15. h5 $14) 15. Na3 {
    White prepares the advance b5} (15. h5 Kb8 $16) 15... Qd7 (15... Bd7 16. Bd2
    $14) 16. b5 (16. h5 g5 $16) 16... a5 $14 17. Nd2 (17. h5 Nf5 $14) 17... Nc8 18.
    Qf3 Ka7 19. Bd1 (19. Bb2 f6 $14) 19... Qc7 (19... f6 20. h5 $11) 20. Nc2 (20.
    O-O f5 $11) 20... f6 21. Be2 (21. h5 g5 $11) 21... Bg6 (21... fxe5 $142 22.
    Qxf8 Bg6 $11) 22. Nb4 $4 (22. Ne3 $142 $11) 22... axb4 $19 23. Nxc4 (23. h5 Bc2
    24. exf6 Nxf6 25. cxb4 Bxb4 26. O-O $19) 23... dxc4 24. exf6 (24. Bf4 Qb7 25.
    Qg3 Bd3 $19) 24... Nxf6 (24... gxf6 25. Qe3 $19) 25. Bf4 Bd6 26. Bxd6 Nxd6 (
    26... Rxd6 $143 27. cxb4 Rxd4 28. a5 $19) 27. a5 (27. cxb4 Nf5 28. Qc6 Qxc6 29.
    bxc6 Nxd4 $19) 27... Be4 28. Qg3 (28. axb6+ Kxb6 29. Qh3 Nxb5 $19) 28... b3 (
    28... Nxb5 $142 29. Qe5 Qxe5 30. dxe5 $19) 29. Qe3 (29. axb6+ Kxb6 30. O-O Nxb5
    $19) 29... Nd5 (29... b2 $142 $5 30. Rd1 Nd5 31. Qd2 $19) 30. Qd2 (30. Qc1 bxa5
    31. Bf1 Nxb5 $19) 30... Nxb5 (30... bxa5 31. Ra4 $19) 31. Ra4 Nd6 (31... Bxg2
    32. Rxc4 Qd6 33. axb6+ Nxb6 34. Rg1 Nxc4 35. Bxc4 $19) 32. O-O (32. axb6+ Kxb6
    33. O-O Qc6 $19) 32... b5 33. Ra3 Bc2 34. Bd1 (34. Bf3 Qe7 35. h5 Qg5 36. Qxg5
    hxg5 37. Bxd5 exd5 $19) 34... Ne4 35. Qe1 Bxd1 36. Qxd1 Nexc3 (36... Ndxc3 37.
    Qe1 $19) 37. Qe1 Rde8 38. f4 g6 (38... b4 39. Ra1 Nxf4 40. Kh1 $19) 39. Rf3 (
    39. Rf2 b4 40. Ra1 Nxf4 $19) 39... Na2 40. Qf2 (40. Qa1 c3 41. Rf1 c2 42. Rxb3
    c1=Q 43. Rxc1 Qxc1+ 44. Qxc1 Nxc1 45. Rxb5 Ne2+ 46. Kf2 Nxd4 $19) 40... Qd6 (
    40... c3 $142 $5 41. Rxb3 c2 42. Rbc3 Naxc3 43. Qxc2 $19) 41. Qb2 (41. Rxa2
    bxa2 42. Qxa2 Nxf4 $19) 41... Ka6 42. Rf1 (42. Rxa2 bxa2 43. Qxa2 Nxf4 $19)
    42... Rb8 (42... Nxf4 43. Rxa2 bxa2 44. Kh1 $19) 43. g3 (43. Rxa2 bxa2 44. Qxa2
    Nxf4 $19) 43... Rhe8 (43... Ndc3 44. Kh2 b4 45. Rxb3 cxb3 46. Qxb3 $19) 44. Re1
    (44. Kh2 b4 45. Rxa2 bxa2 46. Qxa2 Ne3 $19) 44... Qb4 45. Re5 Qc3 46. Qe2 Qc1+
    (46... Qxg3+ 47. Kh1 Nxf4 48. Qf1 Qxh4+ 49. Kg1 Nh3+ 50. Kg2 $19) 47. Kh2 Qc2
    48. Rxa2 Qxa2 0-1
    
    [Event "10th Gibraltar Challengers-B"]
    [Site "?"]
    [Date "2012.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Gieritz, Dietmar"]
    [Result "0-1"]
    [WhiteElo "1935"]
    [BlackElo "2130"]
    [PlyCount "58"]
    [EventDate "2012.??.??"]
    
    1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 cxb4 5. d4 Nc6 6. a3 bxa3 7. c3 f6 8. Bd3
    fxe5 9. dxe5 g6 $146 (9... Nh6 10. Bg5 Qc7 11. O-O Nf7 12. Bh4 Ncxe5 13. Nxe5
    Nxe5 14. Bg3 Bd6 15. Nxa3 Bd7 16. Nb5 Bxb5 17. Bxb5+ Nc6 18. Qg4 O-O-O 19.
    Qxe6+ Kb8 20. Rfb1 Rhe8 21. Bxd6 Qxd6 22. Qg4 Re7 23. Qa4 Re6 24. Bxc6 {
    Boada,W (2235)-Ramos,M (1720)/Barquisimeto VEN, Open 2012/1-0}) (9... Qc7 10.
    Qe2 Nb4 11. Bb5+ Bd7 12. Bxd7+ Kxd7 13. Bxa3 Nc6 14. O-O Nh6 15. c4 d4 16. Rd1
    Ke8 17. Bxf8 Rxf8 18. Na3 Qe7 19. Nb5 Kf7 20. Nfxd4 Nxd4 21. Rxd4 Nf5 22. Rd3
    Kg8 23. Rad1 Rfd8 24. Nd6 {
    Ardelean,G (2440)-Nanu,C (2410)/Bucharest Supercom Cup 2002/1/2-1/2 (53)}) (
    9... Qc7 10. Qe2 $15) 10. h4 (10. Bxa3 Bg7 11. Bd6 Nh6 $17) 10... Bg7 $17 11.
    Bf4 Nge7 12. h5 O-O (12... Qc7 13. Qe2 $17) 13. g3 $15 Qb6 14. Rh2 Bd7 (14...
    Qc7 15. Qe2 $15) 15. Nxa3 (15. hxg6 Nxg6 16. Ng5 a2 $11) 15... Rac8 (15... Qb2
    16. Qc1 Qxc1+ 17. Rxc1 gxh5 18. Rxh5 $17) 16. Nc2 (16. hxg6 hxg6 17. Rb1 Qc5
    18. Rxb7 Qxa3 19. Rxd7 Qxc3+ 20. Qd2 Nb4 21. Qxc3 Rxc3 $15) 16... Qc5 (16...
    Qc7 17. hxg6 Nxg6 18. Qe2 $15) 17. Ra3 Nf5 (17... Qb6 $5 $11) 18. hxg6 $14 hxg6
    19. g4 Nfe7 (19... Nh4 $142 20. Nxh4 Rxf4 21. Nxg6 Rf7 $11) 20. Bg3 $4 (20. Be3
    $142 Qxa3 21. Nxa3 Rxf3 22. Qxf3 Nxe5 23. Qh3 Nxd3+ 24. Kd2 $16) 20... a6 (
    20... Rxf3 21. Qxf3 Nxe5 22. Bxe5 Bxe5 23. Rh3 $17) 21. Rb3 (21. Be2 Rxf3 22.
    Bxf3 Nxe5 $19 (22... Bxe5 $6 23. Bxe5 Nxe5 24. Be2 $11)) 21... Na5 (21... Rxf3
    $142 22. Qxf3 Nxe5 23. Bxe5 Bxe5 $17) 22. Bxg6 $4 (22. Ra3 $142 $15) 22... Nxb3
    $19 23. c4 (23. Bh7+ Kf7 24. c4 Qxc4 25. Ng5+ Ke8 26. Qd3 $19) 23... Nxg6 24.
    Ne3 Qb4+ 25. Kf1 Rxf3 $1 26. Kg2 (26. Qxf3 Nd2+ {Double attack} (26... Nd2+ {
    Decoy})) 26... Rxe3 $1 27. Qb1 (27. fxe3 Qd2+ {Double attack} (27... Qd2+ {
    Decoy})) 27... Rxg3+ $1 28. fxg3 (28. fxg3 Qc3 {Double attack} (28... Qc3 {
    Decoy})) (28. Kxg3 Qc3+ {Double attack} (28... Bxe5+ {Decoy})) 28... Qxc4 29.
    Kh3 Nxe5 (29... Nxe5 30. Kg2 Nxg4 $19) 0-1
    
    [Event "Stockholm op2"]
    [Site "?"]
    [Date "1992.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Rennerfelt, G."]
    [Result "1-0"]
    [PlyCount "67"]
    [EventDate "1992.??.??"]
    
    1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 c4 5. c3 a6 (5... a5 6. b5 Qb6 (6... Nd7 7.
    d4 cxd3 8. Bxd3 Ne7 9. O-O Ng6 10. Qe2 Bc5 11. Ba3 b6 12. g3 Bb7 13. Bb2 Qc7
    14. Re1 O-O 15. Nbd2 a4 16. a3 f5 17. exf6 Rxf6 18. c4 e5 19. cxd5 Bxd5 20. Be4
    Qb7 21. Bxd5+ {
    Jansen,D (2155)-Brinkmann,S (2060)/27th Schwert von Luelsdorf 2016/1/2-1/2}) 7.
    a4 Nd7 8. d4 cxd3 9. Bxd3 Bc5 10. O-O f5 11. Nbd2 Ne7 12. Nb3 O-O 13. Nbd4 Ng6
    14. Qe2 Be7 15. Bc2 Nc5 16. Ng5 Bxg5 17. Bxg5 Ne4 18. Be3 Qc7 19. f3 Nc5 20. f4
    {Buecker,S (2345)-Vavra,P (2275)/Bohemians 1991/1-0 (48)}) 6. a4 $146 (6. b5
    Nd7 7. d4 cxd3 8. Bxd3 f6 9. O-O Qc7 10. Re1 Nxe5 11. Nxe5 fxe5 12. Qh5+ Kd8
    13. b6 Qxb6 14. Qxe5 Nf6 15. Bg5 Be7 16. c4 Rf8 17. Nc3 h6 18. Rab1 Qc7 19.
    Qxc7+ Kxc7 20. Bf4+ Kd8 {Havelka,J (1855)-Santos Ruiz,M (2065)/European Youth
    Chess Championship U14 2012/1-0 (54)}) (6. d4 cxd3 7. Bxd3 Nc6 8. a4 Qc7 9. Bf4
    Bd7 10. O-O Be7 11. Nbd2 Nh6 12. Nb3 Ng4 13. Re1 O-O 14. h3 Nh6 15. Bxh6 gxh6
    16. Qd2 Kh8 17. Qxh6 f5 18. exf6 Rf7 19. fxe7 Nxe7 20. Ng5 Rg7 {
    ppal (1740)-ivanemil/kurnik 2013/1-0 (40)}) (6. d3 cxd3 7. Bxd3 a5 $14) 6...
    Be7 (6... Nc6 7. d4 $14) 7. d4 cxd3 8. Bxd3 Nd7 9. h4 (9. a5 Qc7 10. Bf4 g5 11.
    Nxg5 Nxe5 $14) 9... h6 (9... a5 $142 $11) 10. Nbd2 (10. a5 $142 $14) 10... Qc7
    $17 11. Bb2 Nxe5 12. Be2 (12. Nxe5 Qxe5+ 13. Qe2 Qxe2+ 14. Kxe2 e5 $17) 12...
    Bf6 (12... Nxf3+ 13. Bxf3 Nf6 14. Rc1 $19) 13. Nd4 Nc6 14. N2b3 Bd7 15. Nc5
    Nge7 16. Rc1 b6 (16... Ng6 $5 $17) 17. Nxa6 $15 Qb7 18. Nb5 (18. Nxc6 Nxc6 19.
    b5 Na5 $15) 18... O-O (18... Be5 19. Na3 $17) 19. Nd6 Qa7 20. g4 $2 (20. b5 Nb8
    $17) 20... Ng6 (20... Be5 $142 $5 21. b5 Bxd6 22. bxc6 Bxc6 $19) 21. g5 (21. b5
    Nb8 $17) 21... hxg5 22. hxg5 (22. b5 Nb8 23. h5 Nf4 $19 (23... Nxa6 24. hxg6
    Nc5 25. gxf7+ Rxf7 26. Bd3 $16)) 22... Bxg5 23. Bf1 (23. Ra1 $142 Be7 24. Nb5
    Qxa6 25. Nc7 $19) 23... Nce5 (23... Bf4 $142 $5 24. b5 Bxd6 $19 (24... Bxc1 25.
    Bxc1 Rfd8 26. Qh5 $18)) 24. b5 (24. Qh5 Rfd8 25. Ra1 Bh6 $17) 24... Be8 (24...
    Bxc1 25. Bxc1 f6 $11) 25. Qh5 $15 Bh6 26. c4 Nd7 $4 (26... f6 $142 $15) 27.
    cxd5 $18 Nc5 (27... Nf4 28. Qf3 Nxd5 (28... exd5 $4 29. Rxh6 Ng6 30. Rh3 $18)
    29. Rxh6 f6 $18) 28. Rxc5 $1 bxc5 29. Bxg7 Kxg7 (29... Bd2+ 30. Kxd2 Kxg7 31.
    Qh6+ Kf6 32. Ne4+ Ke5 33. Rh5+ f5 $18) 30. Qxh6+ $18 Kf6 31. Ne4+ Ke7 (31...
    Ke5 32. Rh5+ f5 $18) 32. Qg5+ Kd7 (32... f6 33. Rh7+ Rf7 34. Qxg6 Kd8 35. Naxc5
    exd5 36. Ne6+ Kc8 37. Nd6+ Kb8 $18) 33. dxe6+ Kc8 34. Nd6# 1-0
    
    [Event "Stockholm op2"]
    [Site "?"]
    [Date "1992.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Hedin, Gunnar"]
    [Result "0-1"]
    [PlyCount "67"]
    [EventDate "1992.??.??"]
    
    1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 c4 5. c3 a5 6. b5 a4 (6... Bc5 7. d4 cxd3 8.
    Bxd3 Nd7 9. Qe2 Ne7 10. h4 h5 11. Nbd2 a4 12. c4 Nb6 13. O-O Nf5 14. Bxf5 exf5
    15. e6 Bxe6 16. Bb2 Qe7 17. Bxg7 Rg8 18. Bd4 dxc4 19. Rac1 Rg4 20. Bxc5 Qxc5
    21. Ne5 {Sedlak,N (2565)-Tratar,M (2505)/2rd Zupanja CRO, Open A 2008/0-1 (66)}
    ) (6... Nd7 7. d4 cxd3 8. Bxd3 Qc7 9. Qe2 Ne7 10. O-O Ng6 11. Re1 Be7 12. h4
    Nxh4 13. Nxh4 Bxh4 14. Ba3 Be7 15. Bxe7 Kxe7 16. Qg4 Rf8 17. Qxg7 b6 18. Qxh7
    Bb7 19. Qh4+ f6 20. exf6+ Rxf6 21. Bf5 {
    Moravec,V (2165)-Melkevik,J (1995)/Open Letni Praha - A 2016/1-0 (32)}) 7. d3
    $146 (7. d4 Bd7 8. a3 Bxb5 9. Nbd2 Bc6 10. g3 b5 11. Bg2 Ne7 12. O-O Bb7 13.
    Nh4 Nbc6 14. f4 g6 15. g4 h5 16. g5 Na5 17. Qe2 Nb3 18. Bb2 Nxa1 19. Rxa1 Nf5
    20. Nxf5 gxf5 21. h4 Be7 {ppal (1730)-lecie/kurnik 2014/1-0 (62)}) (7. Ba3 Bxa3
    8. Nxa3 Qe7 9. Qc1 Qc5 10. d4 cxd3 11. Bxd3 Nd7 12. O-O Ne7 13. Re1 O-O 14. Rb1
    Nb6 15. Rb4 Bd7 16. Ng5 h6 17. Nh7 Rfc8 18. Nf6+ Kf8 19. Nxd7+ Nxd7 20. Nb1
    Qxb4 21. cxb4 Rxc1 {
    FDog (2145)-octopovich (1920)/FICS rated standard game 2013/0-1 (58)}) 7...
    cxd3 8. Bxd3 Nd7 9. Be3 f5 (9... Qc7 10. Bd4 $14) 10. Bf4 (10. O-O Qc7 $14)
    10... Nc5 11. Bc2 (11. Be2 Qc7 $14) 11... Ne7 12. Nh4 (12. O-O Ng6 13. Bg5 Qa5
    $11) 12... Ng6 (12... Qa5 13. Be3 Qxb5 14. Bxc5 Qxc5 15. Bxa4+ b5 16. Bc2 $15)
    13. Nxg6 $11 hxg6 14. Be3 Bd7 15. c4 (15. Qg4 $1 g5 16. Bxg5 $15) 15... dxc4
    $17 16. Nc3 Qc7 (16... Qa5 17. Bd2 $17) 17. f4 (17. Qd4 $5 $11) 17... Bxb5 $17
    18. Rb1 (18. Nxb5 Qa5+ 19. Qd2 Qxb5 $17) 18... Bc6 19. O-O Ra5 20. Qe2 b5 21.
    Bd2 (21. Bd4 Qd8 22. Qe3 Nd7 $19) 21... Nd7 22. Rfd1 (22. Rf2 g5 $1 $19) 22...
    Bc5+ (22... g5 23. h3 $19) 23. Kh1 Qd8 24. Be1 Kf7 (24... Qa8 25. Ne4 fxe4 26.
    Bxa5 Qxa5 27. Bxe4 $19) 25. Bg3 (25. Bf2 Bxf2 26. Qxf2 Qh4 27. Qxh4 Rxh4 $19)
    25... Qa8 (25... b4 26. Qxc4 bxc3 27. Qxc3 $19) 26. Rd2 Rh3 (26... Nb6 27. a3
    $19) 27. Rbd1 $2 (27. Be4 fxe4 (27... Bxe4 $6 28. Nxe4 Qxe4 29. Qxe4 fxe4 30.
    Rxd7+ Ke8 31. Rc7 Rxg3 32. hxg3 $11) 28. Rxd7+ Bxd7 29. gxh3 b4 30. Nxe4 Bc6
    $19) 27... Ra7 (27... Rxg3 28. Rxd7+ Bxd7 29. Rxd7+ Ke8 30. Rc7 Rxc3 31. Rxc5
    $19) 28. Qe1 Nb6 (28... Kg8 $5 29. Qe2 $19) 29. Bf2 Bxg2+ (29... Rxc3 30. Bxc5
    Bxg2+ 31. Kg1 $14) 30. Kg1 Bxf2+ (30... Rxc3 31. Bxc5 Qc6 32. Bxb6 Qxb6+ 33.
    Kxg2 $14) 31. Qxf2 Rxc3 32. Qxb6 Bd5 (32... Bc6 33. Rd8 Qb7 34. Qc5 $11) 33.
    Qxb5 Ra5 34. Qd7+ 0-1
    
    [Event "SWE-ch op Vaxjo"]
    [Site "?"]
    [Date "1992.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Karlsson, Tomas"]
    [Result "1-0"]
    [PlyCount "51"]
    [EventDate "1992.??.??"]
    
    1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 cxb4 5. a3 d4 6. Bb2 Nc6 7. Bb5 Bd7 8. O-O
    bxa3 9. Nxa3 Bc5 10. c3 dxc3 11. Bxc3 a6 12. Bxc6 $146 (12. Be2 b5 13. Nc2 Nge7
    14. d4 Bb6 15. Ne3 O-O 16. Qb3 Qc7 17. Rfc1 Qb7 18. Bd3 Rfd8 19. Qb1 h6 20. Be4
    Qa7 21. Bb4 Rac8 22. Bc5 Nxd4 23. Bxe7 Rxc1+ 24. Qxc1 Ne2+ 25. Kf1 Nxc1 26.
    Bxd8 Bxe3 {
    Nyberg,U (2130)-Westerinen,H (2280)/Allinge DEN, Faergen Cup 2013/0-1}) (12.
    Be2 b5 13. Nc2 Nge7 $15) 12... Bxc6 $17 (12... bxc6 $6 13. Nc4 $14) 13. d4 Bxa3
    14. Rxa3 Ne7 15. Ng5 O-O 16. Bb4 h6 17. Rh3 (17. Nh3 $17) 17... hxg5 (17... Nf5
    $142 $5 18. Nf3 Re8 $19) 18. Qh5 $15 f5 (18... f6 $142 19. exf6 Rxf6 20. Bxe7
    Qd5 $15) 19. Bd6 $4 (19. exf6 $142 Rxf6 20. Bxe7 $15) 19... g4 $19 20. Rh4 Qe8
    $4 (20... Bd5 $142 $19) 21. Qh7+ Kf7 22. Rh6 Nd5 $4 (22... Qd8 23. Rf6+ Ke8 24.
    Rxe6 Rf7 25. Qg8+ Rf8 26. Qxg7 Rf7 27. Qg8+ Rf8 28. Qg6+ Kd7 29. Rxe7+ Qxe7 30.
    Bxe7 Kxe7 $18) 23. Rg6 Rg8 (23... Qe7 24. Rxg7+ Ke8 25. Rxe7+ Kd8 26. Rxe6 a5
    27. Bxf8 g3 $18) 24. Qh5 Rh8 25. Rh6+ Kg8 26. Rxh8# 1-0
    
    [Event "SWE-ch op Vaxjo"]
    [Site "?"]
    [Date "1992.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Johansson, Ingi"]
    [Result "0-1"]
    [PlyCount "68"]
    [EventDate "1992.??.??"]
    
    1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 f6 5. Nh4 $146 (5. bxc5 Bxc5 (5... Nc6 6. d4
    fxe5 7. dxe5 Bxc5 8. Bd3 Nh6 9. Ng5 Nxe5 10. Bxh7 Qf6 11. Qe2 Nc6 12. c3 g6 13.
    Qc2 Ne7 14. h4 Nf7 15. Kf1 Nxg5 16. Bxg5 Qg7 17. Bxe7 Bxe7 18. Bxg6+ Kd8 19. h5
    Bd7 20. Nd2 {
    Focke,A (1695)-Zimmer,L/Deutsche Laendermeisterschaft 2016/1-0 (35)}) (5...
    fxe5 6. Nxe5 Nc6 7. Qh5+ g6 8. Nxg6 Nf6 9. Qh4 Rg8 10. Nxf8 Rxf8 11. Bb2 e5 12.
    Bb5 Bd7 13. O-O Ne4 14. Qh5+ Rf7 15. Bxc6 Bxc6 16. Bxe5 Qe7 17. d4 O-O-O 18.
    Qh3+ Bd7 19. Qa3 a6 20. Qa5 {bulbash (1705)-joker1n (1670)/kurnik 2014/1-0 (50)
    }) 6. d4 Bb6 7. Bd3 Nc6 8. O-O Bd7 9. c3 f5 10. Na3 a6 11. Rb1 Ba5 12. c4 Nge7
    13. Rxb7 Nb4 14. Qb3 Nxd3 15. Qxd3 Bc6 16. Rb2 dxc4 17. Nxc4 O-O 18. Nxa5 Qxa5
    19. Bd2 Qd8 {Strater,H (2095)-Bruemmer,F (2280)/NRW Class1 2009/0-1 (41)}) (5.
    Bb5+ Bd7 6. Nc3 Bxb5 7. Nxb5 cxb4 8. Nfd4 Qd7 9. Nxe6 a6 10. a3 axb5 11. c3
    Qxe6 12. Qh5+ g6 13. Qe2 Qxe5 14. cxb4 Qxe2+ 15. Kxe2 Bxb4 16. Bb2 Be7 17. Be5
    fxe5 18. Rhc1 Nc6 19. Rc5 Rd8 {govachess (1645)-conill (1645)/kurnik 2014/0-1})
    (5. bxc5 $5 Qa5 6. c3 $14) 5... g6 6. Nf3 Bg7 (6... cxb4 7. exf6 Nxf6 8. a3 $15
    ) 7. c3 (7. bxc5 fxe5 8. Bb2 Qc7 $11) 7... Ne7 (7... cxb4 8. exf6 Bxf6 9. d4
    bxc3 10. Nxc3 $15) 8. d4 (8. exf6 $5 Bxf6 9. bxc5 $14) 8... cxd4 9. cxd4 (9.
    exf6 Bxf6 10. cxd4 Qb6 $11) 9... O-O (9... fxe5 10. Nxe5 Qd6 $15) 10. h4 (10.
    exf6 $5 Bxf6 11. Bh6 $11) 10... Qb6 (10... fxe5 11. Nxe5 Qb6 12. Be3 $17) 11.
    h5 (11. exf6 $5 Bxf6 12. Bg5 $15) 11... fxe5 $17 (11... Qxb4+ $6 12. Bd2 Qb6
    13. exf6 Bxf6 14. hxg6 Nxg6 15. Nc3 $15) 12. a4 (12. Bg5 $5 Nec6 13. hxg6 hxg6
    14. Nh4 $17) 12... e4 $19 (12... Qxb4+ $6 13. Nbd2 Rxf3 14. Qxf3 $17) 13. a5
    Qxb4+ 14. Bd2 Qd6 15. Ne5 Bxe5 16. dxe5 Qxe5 17. hxg6 Nxg6 (17... Qxa1 $6 18.
    gxh7+ Kf7 19. Bc3 $11) 18. Bc3 Qf4 19. Ra2 (19. Bd4 e5 20. Bc5 Rd8 $19) 19...
    Nc6 20. g3 (20. Rh3 Qf7 21. Qb3 e5 $19) 20... Qf3 21. Bg2 (21. Qxf3 exf3 22.
    Rb2 e5 $19) 21... Qxd1+ 22. Kxd1 Nce5 (22... e5 23. Ke1 $19) 23. Ke1 (23. Bf1
    Nf3 $19) 23... Bd7 (23... Nd3+ $142 24. Kf1 $19) 24. Nd2 (24. Bf1 $19) 24...
    Nd3+ 25. Kf1 (25. Ke2 Rxf2+ 26. Ke3 e5 27. Nxe4 d4+ 28. Bxd4 Rxa2 29. Nf6+ Kg7
    30. Nh5+ Kf8 31. Bxb7 Rd8 32. Bxa7 Bg4 33. Rf1+ Ke7 $19) 25... Nxf2 (25...
    Rxf2+ 26. Kg1 e3 27. Bf1 $19) 26. Kg1 (26. Ke1 Rac8 27. Ra3 d4 28. Nxe4 Nxe4
    29. Bxe4 dxc3 30. Bxb7 Rc5 $19) 26... Nxh1 27. Bxh1 Rac8 28. Bd4 a6 29. Nb3 Bb5
    30. Nc5 (30. Bg2 e5 31. Bc5 Rf6 $19) 30... Rf1+ 31. Kh2 e5 (31... Rd1 $142 32.
    Nxe6 Rc6 33. Nd8 Rxd4 34. Nxc6 bxc6 35. Bg2 $19) 32. Bf2 (32. Be3 d4 33. Bxd4
    exd4 34. Nxe4 d3 $19) 32... Rxf2+ $1 33. Rxf2 Rxc5 34. Kh3 (34. Rd2 Ne7 $19)
    34... e3 (34... e3 35. Ra2 e2 $19) 0-1
    
    [Event "Hallsta op"]
    [Site "?"]
    [Date "1996.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Schweitz, Dan"]
    [Result "0-1"]
    [PlyCount "82"]
    [EventDate "1996.??.??"]
    
    1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 c4 5. c3 Bd7 (5... a5 6. b5 Qb6 7. a4 Nd7 8.
    d4 cxd3 9. Bxd3 Bc5 10. O-O f5 11. Nbd2 Ne7 12. Nb3 O-O 13. Nbd4 Ng6 14. Qe2
    Be7 15. Bc2 Nc5 16. Ng5 Bxg5 17. Bxg5 Ne4 18. Be3 Qc7 19. f3 Nc5 20. f4 {
    Buecker,S (2345)-Vavra,P (2275)/Bohemians 1991/1-0 (48)}) (5... Nc6 6. d4 Qb6
    7. a4 a5 8. b5 Nb8 9. Be2 g6 10. O-O Bg7 11. Ba3 Nd7 12. Qc1 Qc7 13. Qf4 Nb6
    14. Bd6 Qd7 15. Bc5 Qc7 16. h4 Nh6 17. h5 Nf5 18. g4 Nd7 19. gxf5 Nxc5 20. f6 {
    Janek-Vytold/internet 2018/1-0}) 6. d4 b5 $146 (6... cxd3 7. Bxd3 Nc6 8. O-O
    Qc7 9. Re1 Be7 10. b5 Na5 11. a4 Nc4 12. Bxc4 Qxc4 13. Qd4 Qxd4 14. cxd4 Rc8
    15. Be3 Bb4 16. Rc1 Rxc1+ 17. Bxc1 Ne7 18. Ba3 Bxa3 19. Rxa3 Nf5 20. Rc3 Kd8
    21. Na3 {arthurr-ab45ad46/kurnik 2014/1/2-1/2 (50)}) 7. g3 (7. Be2 a5 8. bxa5
    Qxa5 $11) 7... h6 8. Bg2 Nc6 (8... a5 9. bxa5 Qxa5 10. O-O $11) 9. a4 bxa4 10.
    Na3 (10. Rxa4 $5 a5 11. bxa5 Rxa5 12. Rxa5 Nxa5 13. O-O $11) 10... a5 $15 11.
    b5 Na7 12. Rb1 (12. Qxa4 Bxa3 13. Bxa3 Nxb5 $17) 12... Rb8 13. Qxa4 Bxa3 14.
    Qxa3 Rxb5 15. Ra1 Ne7 16. Nd2 O-O 17. Qa2 Nec6 18. h4 (18. Ba3 Re8 $15) 18...
    Qc7 19. Nf3 (19. Ba3 Ra8 $17) 19... Rb3 20. Bxh6 $2 (20. Qc2 $142 $17) 20...
    Rfb8 (20... gxh6 $142 21. Qd2 Kg7 $19) 21. Qd2 (21. Bd2 $15) 21... Qd8 $4 (
    21... gxh6 $142 22. Qxh6 Bc8 $17 (22... Rxc3 $6 23. Qg5+ Kf8 24. Qh6+ Ke8 25.
    Qh8+ Ke7 26. Qf6+ Ke8 27. Qh8+ Ke7 28. Qf6+ Ke8 29. Qh8+ $11)) 22. Bg5 $11 Ne7
    (22... Qe8 $142 $11) 23. Bf6 (23. h5 $5 $14) 23... Qf8 (23... gxf6 24. exf6 Ng6
    25. h5 Qxf6 26. hxg6 fxg6 27. Qh6 $11 (27. Rxa5 $143 Rb1+ 28. Ke2 R1b2 29. Rxa7
    Qf5 $17)) 24. Qg5 (24. Bxe7 Qxe7 25. Qc2 $15) 24... Nf5 (24... Nec6 25. Qg4 $15
    ) 25. h5 (25. g4 Nh6 26. Be7 Qe8 $11) 25... Nh6 (25... Kh7 26. g4 gxf6 27. Qxf6
    Rb1+ 28. Rxb1 Rxb1+ 29. Kd2 Rxh1 30. Bxh1 $17) 26. g4 $4 (26. Be7 Qe8 $11)
    26... Nb5 (26... Nc6 $142 $17) 27. Qf4 $4 (27. Be7 $142 Qe8 28. Rh3 $11) 27...
    Nxc3 (27... gxf6 28. Qxf6 Nxc3 29. Nd2 $19) 28. Nd2 Ra3 (28... gxf6 29. Rxa5
    fxe5 30. dxe5 $19) 29. Rc1 $2 (29. Rxa3 $142 Qxa3 30. f3 $19) 29... Na2 30. Ra1
    c3 31. g5 Nb4 (31... cxd2+ 32. Qxd2 Nc3 33. Rc1 $19) 32. O-O Rxa1 (32... gxf6
    $6 33. Rxa3 Nd3 34. Qf3 Qxa3 35. gxh6 $11) 33. Rxa1 cxd2 (33... gxf6 $142 34.
    gxh6 cxd2 35. Qxf6 Nc2 $19) 34. Kh2 (34. Bxg7 Kxg7 35. gxh6+ Kh7 36. Qxd2 Qxh6
    37. Qd1 $19) 34... Nf5 35. Rh1 (35. Bxg7 Qxg7 36. Qxd2 Nc6 $19) 35... gxf6 36.
    gxf6 Qh6 37. Qf3 (37. Qxh6 Nxh6 38. Rd1 a4 39. Rxd2 a3 $19) 37... Kh8 38. Bh3
    Rg8 39. Bg4 Nxd4 40. Qd1 Qf4+ 41. Kh3 Nd3 (41... Nd3 42. Rh2 Rxg4 43. Qxg4
    Qxg4+ 44. Kxg4 d1=Q+ 45. Kh3 Qf3+ 46. Kh4 Nf5+ 47. Kg5 Qf4#) 0-1
    
    [Event "Miercurea Ciuc op"]
    [Site "?"]
    [Date "1998.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Sebe, Florin"]
    [Result "1-0"]
    [BlackElo "2215"]
    [PlyCount "67"]
    [EventDate "1998.??.??"]
    
    1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 b6 5. c3 Qc7 (5... Nc6 6. a3 Bd7 7. d4 c4 8.
    a4 a6 9. Be2 Nce7 10. Qd2 Qc7 11. Bd1 h6 12. h4 O-O-O 13. Qe2 Kb7 14. Bc2 Be8
    15. Na3 Qd7 16. b5 a5 17. Nd2 Nc8 18. Qf3 Ka7 19. Bd1 Qc7 20. Nc2 {
    Helin,M (1960)-Burke,S (2035)/Paignton Ron Bruce Premier 2011/0-1 (48)}) 6. a3
    a6 $146 (6... Ne7 7. d4 cxd4 (7... Ng6 8. h4 cxd4 9. cxd4 Nc6 10. h5 Nge7 11.
    Bb2 Bd7 12. Bd3 Nf5 13. Bxf5 exf5 14. Nc3 Be6 15. Rc1 Qb7 16. Qd3 a6 17. Ne2
    Rc8 18. Nf4 Be7 19. O-O O-O 20. Rfe1 h6 21. Kh1 Rfd8 22. Ng1 {Xu,X (1800)
    -Urban,L (1855)/Willingen Germany, Youth Championship 2008/1/2-1/2 (45)}) 8.
    cxd4 Nf5 9. Bd3 Be7 10. Bd2 O-O 11. h4 g6 12. g4 Ng7 13. Bh6 a6 14. h5 Nc6 15.
    Qd2 Bd7 16. Bxg7 {1-0 Headlong,B (1675)-Asbury,J/Witney Congress 2016}) (6...
    c4 7. d3 cxd3 8. Bxd3 Ne7 9. O-O Ng6 10. Qe2 Be7 11. Re1 Bb7 12. Nd4 O-O 13. f4
    a5 14. Ra2 Nc6 15. b5 Nb8 16. Be3 Nd7 17. Rc2 Nc5 18. Bxg6 hxg6 19. c4 dxc4 20.
    Rxc4 Rac8 21. Rec1 {Perlo,G (2440)-Mraz,M (2520)/WC19/TQF2 1999/Inf 09/0-1 (50)
    }) 7. d4 Bd7 8. Bd2 Nc6 9. Bd3 f6 10. Qe2 fxe5 11. dxe5 (11. Nxe5 Nxe5 12. dxe5
    c4 $14) 11... a5 (11... c4 $5 12. Bc2 g6 $11) 12. b5 $16 Nce7 13. c4 O-O-O (
    13... Rd8 14. O-O $16) 14. Nc3 d4 15. Na4 Kb8 (15... Nf5 16. O-O $16) 16. Rb1 (
    16. Ng5 Nh6 $16) 16... Nc8 (16... Nf5 17. O-O $16) 17. Be4 (17. Ng5 Nh6 $16)
    17... Nh6 18. Bxa5 (18. Bxh6 gxh6 19. Nb2 Ne7 $14) 18... Qa7 $14 (18... bxa5 $2
    19. b6 Nxb6 20. Nxb6 $18) 19. Bxb6 Nxb6 20. Nxb6 Qxb6 21. O-O Bc8 22. Bc6 Be7
    23. a4 Rdf8 (23... Qa5 $142 $5 $11) 24. a5 $16 Qxa5 $2 (24... Qa7 $142 $16) 25.
    Ra1 Qb6 26. Ra8+ Kc7 27. Rfa1 Bb7 28. Bxb7 Rxa8 29. Bxa8 (29. Rxa8 $6 Rxa8 30.
    Bxa8 Qa5 $18) 29... Rb8 (29... Nf5 30. Qe4 h6 31. Ra6 $18) 30. Qe4 Kd8 31. Qxh7
    Bf8 32. Qg6 Nf5 (32... Qc7 33. Ng5 Rb6 $18) 33. Bc6 Ne7 34. Qe8+ (34. Qe8+ Kc7
    35. Qd7#) 1-0
    
    [Event "Politiken Cup"]
    [Site "?"]
    [Date "1999.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Tjornsted, Peter"]
    [Result "1-0"]
    [WhiteElo "2200"]
    [PlyCount "49"]
    [EventDate "1999.??.??"]
    
    1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 b6 5. c3 c4 $146 (5... Bd7 6. a3 Nc6 7. d4
    Nge7 (7... c4 8. a4 a6 9. Be2 Nce7 10. Qd2 Qc7 11. Bd1 h6 12. h4 O-O-O 13. Qe2
    Kb7 14. Bc2 Be8 15. Na3 Qd7 16. b5 a5 17. Nd2 Nc8 18. Qf3 Ka7 19. Bd1 Qc7 20.
    Nc2 f6 21. Be2 Bg6 22. Nb4 {
    Helin,M (1960)-Burke,S (2035)/Paignton Ron Bruce Premier 2011/0-1 (48)}) 8. Bd3
    Ng6 9. h4 cxd4 10. cxd4 Qc7 11. Ra2 Rc8 12. Rc2 Qb8 13. h5 Nge7 14. Nc3 f6 15.
    Bf4 Nxd4 16. Nxd4 fxe5 17. Bg3 Ng8 18. Ba6 Rd8 19. Ncb5 Nf6 20. Nc7+ {
    Dannevig,O (2360)-Schmidt,H (1875)/Politiken Cup 2004/1-0}) (5... Nd7 6. a3 a5
    7. b5 f6 8. d4 fxe5 9. dxe5 Nh6 10. Bxh6 gxh6 11. Bd3 Bg7 12. O-O O-O 13. Re1
    Qc7 14. Qe2 Bb7 15. Nbd2 c4 16. Bc2 Rf7 17. Qe3 Re8 18. Re2 Bc8 19. Rae1 Ref8
    20. a4 {Rusan,P (2325)-Vysochin,S (2580)/Championship A 2005/0-1 (70)}) (5...
    Qd7 6. a3 Ba6 7. Bxa6 Nxa6 8. d4 Ne7 9. O-O Nc7 10. Bf4 (10. Be3 Nf5 11. g4
    Nxe3 12. fxe3 Be7 13. Nbd2 O-O 14. Rf2 f5 15. exf6 gxf6 16. Nf1 Nb5 17. Qd3
    cxb4 18. cxb4 a5 19. bxa5 Rxa5 20. Rb2 Nxa3 21. Rxb6 Nc4 22. Rxa5 Nxb6 23. N1d2
    e5 24. Qf5 Qxf5 {
    Salmensuu,O (2455)-Tuominen,R (2185)/Turku We op 2000/1/2-1/2 (44)}) 10... Ng6
    11. Be3 Be7 12. Nbd2 cxd4 13. cxd4 O-O 14. Nb3 Rfc8 15. Qd2 Nb5 16. Rfc1 Rxc1+
    17. Nxc1 a5 18. Nb3 axb4 19. axb4 Rxa1+ 20. Nxa1 {
    Rusan,P-Bonte,A/9th Arad Open 2016/0-1 (55)}) (5... Ne7 6. d4 Nf5 7. a3 Be7 8.
    Bd3 Nc6 9. Bb2 Bd7 10. O-O c4 11. Bc2 Qc7 12. Re1 O-O-O 13. Nbd2 g5 14. Nf1 Ng7
    15. Bc1 h6 16. Ne3 Rdf8 17. Ng4 Nh5 18. Be3 Nb8 19. Nd2 Be8 20. Qf3 {
    Salmensuu,O (2455)-Hansen,H (2045)/3rd International 2000/1-0 (62)}) (5... cxb4
    6. cxb4 Nd7 7. a3 $11) 6. d4 (6. d3 cxd3 7. Bxd3 Qc7 $14) 6... cxd3 (6... a5 7.
    bxa5 Rxa5 8. Be2 $11) 7. Bxd3 $14 Ne7 8. h4 (8. O-O Qc7 $14) 8... Nbc6 (8...
    Qc7 9. h5 $11) 9. Bf4 Qc7 10. Qe2 (10. h5 Bb7 $11) 10... Ng6 {Now all is on e5}
    11. Bg3 a5 12. b5 Nb8 13. h5 Ne7 14. Ng5 h6 15. Nh7 Bb7 16. Nxf8 Kxf8 17. O-O
    Nd7 18. a4 Nc5 19. f4 (19. Bc2 Rc8 $14) 19... Nxd3 20. Qxd3 Rc8 (20... Rg8 21.
    Bf2 $11) 21. Bf2 $14 Rd8 22. Qd4 Nc8 23. Na3 Qe7 (23... Ke8 24. f5 exf5 25. Bh4
    $14) 24. f5 $1 exf5 $2 (24... Re8 $142 25. Bh4 Qc5 $18) 25. Bh4 $18 (25. Bh4
    Qc7 26. Bxd8 Qxd8 27. Rxf5 $18) 1-0
    
    [Event "Rilton Cup Stockholm SWE"]
    [Site "?"]
    [Date "1999.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Jensen, L."]
    [Result "0-1"]
    [WhiteElo "2200"]
    [BlackElo "2125"]
    [PlyCount "94"]
    [EventDate "1999.??.??"]
    
    1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 c4 5. c3 a5 6. b5 Qb6 (6... Bc5 7. d4 cxd3 8.
    Bxd3 Nd7 9. Qe2 Ne7 10. h4 h5 11. Nbd2 a4 12. c4 Nb6 13. O-O Nf5 14. Bxf5 exf5
    15. e6 Bxe6 16. Bb2 Qe7 17. Bxg7 Rg8 18. Bd4 dxc4 19. Rac1 Rg4 20. Bxc5 Qxc5
    21. Ne5 {Sedlak,N (2565)-Tratar,M (2505)/2rd Zupanja CRO, Open A 2008/0-1 (66)}
    ) (6... Nd7 7. d4 cxd3 8. Bxd3 Qc7 9. Qe2 Ne7 10. O-O Ng6 11. Re1 Be7 12. h4
    Nxh4 13. Nxh4 Bxh4 14. Ba3 Be7 15. Bxe7 Kxe7 16. Qg4 Rf8 17. Qxg7 b6 18. Qxh7
    Bb7 19. Qh4+ f6 20. exf6+ Rxf6 21. Bf5 {
    Moravec,V (2165)-Melkevik,J (1995)/Open Letni Praha - A 2016/1-0 (32)}) 7. d4
    Qxb5 8. Be2 $146 (8. a4 Qb6 9. Ba3 Ne7 (9... Bxa3 10. Nxa3 Bd7 11. Be2 Ne7 12.
    Rb1 Qc7 13. O-O O-O 14. Nd2 f6 15. f4 Nf5 16. Rf3 Qd8 17. Rxb7 Qc8 18. Qb1 Bxa4
    19. g4 Nh4 20. Rh3 Ng6 21. f5 Bb3 22. fxg6 Qxb7 23. gxh7+ Kh8 24. Qg6 {
    ppal (1655)-bacbacbac/kurnik 2014/1-0 (42)}) 10. Nbd2 Nbc6 11. Rb1 Qc7 12. Bd6
    Qd7 13. g3 Nf5 14. Bxf8 Kxf8 15. g4 Nfe7 16. Bg2 Kg8 17. O-O h5 18. g5 g6 19.
    h4 Kg7 20. Ne1 Nf5 21. Nef3 Na7 22. Rb6 Qc7 {
    ppal (1680)-bacbacbac/kurnik 2014/1-0 (55)}) 8... Qc6 9. O-O b5 10. a3 b4 11.
    axb4 axb4 12. Rxa8 Qxa8 13. cxb4 Bxb4 14. Ne1 (14. Bd2 Bxd2 15. Qxd2 Ne7 $15)
    14... Bd7 15. Bb2 Ne7 16. Nc2 Ba4 17. Qc1 Bxc2 18. Qxc2 O-O 19. Nc3 (19. Nd2
    Nbc6 $17) 19... Nbc6 $19 20. Qd2 (20. Rd1 $142 $5 $19) 20... Nf5 21. Ra1 Qb7
    22. Rb1 (22. Bd1 Nfxd4 23. Qf4 f6 24. exf6 Rxf6 $19) 22... Nfxd4 23. Bf1 (23.
    Bh5 $19) 23... Rb8 24. Qc1 Bxc3 25. Qxc3 Qb3 26. Qd2 c3 (26... Qa2 $142 $5 27.
    Bc3 Qxb1 28. Bxd4 Nxd4 29. Qxd4 $19) 27. Bxc3 Qxb1 (27... Nf3+ 28. gxf3 Qxb1
    29. Qe2 $19) 28. Bxd4 Nxd4 (28... Qe4 29. Bb2 $19) 29. Qxd4 h6 30. h3 (30. f4
    Ra8 31. Qf2 Ra2 $19) 30... Qc1 31. Qa7 (31. f4 $19) 31... Rb1 32. Qa8+ (32. Kh2
    Qxf1 33. Kg3 g5 $19) 32... Kh7 33. Qa6 Qd1 (33... Qc4 $142 $1 34. Kh2 Rxf1 $19)
    34. g3 Kg6 35. Kg2 Qxf1+ $1 36. Qxf1 Rxf1 37. Kxf1 Kf5 38. f4 (38. Ke2 $19)
    38... Ke4 39. Ke2 h5 40. h4 g6 41. Kf2 Kd3 42. Kf3 d4 43. g4 Kc2 44. f5 d3 45.
    gxh5 (45. fxg6 fxg6 46. Kf4 d2 47. gxh5 gxh5 $19) 45... gxh5 (45... gxf5 46.
    Kf4 d2 47. Kg5 $19) 46. Kf4 (46. fxe6 fxe6 47. Kf4 d2 $19) 46... d2 47. f6 d1=Q
    (47... d1=Q 48. Kg3 Qg1+ 49. Kh3 Qh1+ 50. Kg3 Kd2 51. Kf2 Qxh4+ 52. Kg1 Qg4+
    53. Kh2 h4 54. Kh1 h3 55. Kh2 Qg2#) 0-1
    
    [Event "Politiken Cup"]
    [Site "?"]
    [Date "2000.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Jorgensen, Arne Bjorn"]
    [Result "1-0"]
    [WhiteElo "2065"]
    [PlyCount "127"]
    [EventDate "2000.??.??"]
    
    1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 c4 5. c3 a5 6. b5 a4 (6... Bc5 7. d4 cxd3 8.
    Bxd3 Nd7 9. Qe2 Ne7 10. h4 h5 11. Nbd2 a4 12. c4 Nb6 13. O-O Nf5 14. Bxf5 exf5
    15. e6 Bxe6 16. Bb2 Qe7 17. Bxg7 Rg8 18. Bd4 dxc4 19. Rac1 Rg4 20. Bxc5 Qxc5
    21. Ne5 {Sedlak,N (2565)-Tratar,M (2505)/2rd Zupanja CRO, Open A 2008/0-1 (66)}
    ) (6... Nd7 7. d4 cxd3 8. Bxd3 Qc7 9. Qe2 Ne7 10. O-O Ng6 11. Re1 Be7 12. h4
    Nxh4 13. Nxh4 Bxh4 14. Ba3 Be7 15. Bxe7 Kxe7 16. Qg4 Rf8 17. Qxg7 b6 18. Qxh7
    Bb7 19. Qh4+ f6 20. exf6+ Rxf6 21. Bf5 {
    Moravec,V (2165)-Melkevik,J (1995)/Open Letni Praha - A 2016/1-0 (32)}) 7. d4
    cxd3 $146 (7... Bd7 8. a3 Bxb5 9. Nbd2 Bc6 10. g3 b5 11. Bg2 Ne7 12. O-O Bb7
    13. Nh4 Nbc6 14. f4 g6 15. g4 h5 16. g5 Na5 17. Qe2 Nb3 18. Bb2 Nxa1 19. Rxa1
    Nf5 20. Nxf5 gxf5 21. h4 Be7 22. Bf3 {ppal (1730)-lecie/kurnik 2014/1-0 (62)})
    (7... Bd7 $5 $15) 8. Bxd3 $14 Nd7 9. Qe2 Qc7 10. Bf4 (10. O-O b6 $14) 10... Ne7
    $11 11. Bg3 Ng6 {e5 seems the pivot of the position} 12. h4 Nc5 13. Bc2 Bd7 14.
    h5 Ne7 15. Nbd2 (15. h6 $5 $11) 15... Qa5 $15 16. c4 dxc4 17. O-O Bxb5 18. Nd4
    Nd5 19. Nxb5 Qxb5 20. Nxc4 Qa6 21. Qg4 f5 22. exf6 Nxf6 23. Qd4 (23. Qe2 Be7
    $15) 23... Rd8 24. Qh4 Be7 25. h6 $4 (25. Ne5 O-O $15) 25... g6 $4 (25... g5
    26. Nd6+ Rxd6 27. Qxg5 $19) 26. Rad1 $2 (26. Ne5 Rd5 $15) 26... O-O $4 (26...
    Nfe4 $142 27. Rxd8+ Bxd8 28. Bxa4+ Qxa4 (28... Nxa4 29. Qxe4 O-O 30. Nd6 $18)
    29. Nd6+ Nxd6 30. Qxa4+ Nxa4 31. Bxd6 Nc3 $19) 27. Ne5 $15 Rxd1 28. Rxd1 Qe2
    29. Rc1 (29. Bxa4 Ra8 (29... Qxa2 $6 30. Bb5 $17) (29... Nxa4 30. Rd7 (30. Qxa4
    $2 Ne4 $19) 30... Bc5 31. Rg7+ Kh8 32. Nf7+ (32. Qxa4 $6 Bxf2+ 33. Bxf2 Qxe5
    $11) 32... Rxf7 33. Rxf7 Qd1+ 34. Kh2 Ng4+ 35. Kh3 Nxf2+ 36. Rxf2 $18) 30. Bb3
    Nxb3 $17) 29... Qh5 30. Qc4 (30. Rd1 Rc8 $15) 30... Nd5 (30... Qxh6 31. Bf4 Qh5
    32. Bg3 $19) 31. Rd1 (31. Rb1 $5 $17) 31... Qxh6 $19 32. Rxd5 (32. a3 b5 $1 33.
    Qd4 Rc8 $17) 32... b5 (32... exd5 33. Qxd5+ Kg7 34. f4 $19) 33. Qd4 (33. Qxc5
    Bxc5 34. Rxc5 Qc1+ 35. Kh2 Qa3 36. Rxb5 Qxa2 $17) 33... exd5 34. Qxd5+ Kg7 35.
    Ng4 (35. f4 g5 36. Nc6 Qd6 37. Nxe7 Qxe7 38. fxg5 Rd8 $17) 35... Qc1+ 36. Bd1
    $2 (36. Kh2 Rd8 37. Be5+ Kf8 38. Qf3+ Kg8 39. Bf4 $17) 36... Rf7 (36... Rd8
    $142 $5 37. Be5+ Kf8 38. Qf3+ Kg8 39. Ne3 $19) 37. Qe5+ $2 (37. Be5+ $142 Kg8
    38. Bb2 Qxb2 39. Nh6+ Kg7 40. Qxf7+ Kxh6 41. Qxe7 $11) 37... Kg8 (37... Bf6 38.
    Nxf6 Qxd1+ 39. Kh2 $17) 38. Kh2 (38. Qd5 Kf8 39. Qa8+ Kg7 40. Be5+ Bf6 41. Nxf6
    Qxd1+ (41... Rxf6 $6 42. Qd8 Ne4 43. Qd7+ Kf8 44. Qd8+ Kf7 45. Qd7+ Kg8 46.
    Qe8+ Rf8 47. Qe6+ Rf7 48. Qe8+ Rf8 49. Qe6+ Rf7 50. Qe8+ Rf8 $11) 42. Kh2 Rxf6
    43. Bxf6+ Kxf6 44. Qf8+ Ke6 45. Qe8+ Kd6 46. Qxb5 Qd4 47. Qb8+ Ke7 48. Qa7+ Kf6
    $19) 38... Qg5 (38... h5 39. Qb8+ Bf8 40. Ne3 $19) 39. Qb8+ Rf8 40. Qxb5 Qh5+
    $4 (40... h5 $142 41. Qc4+ Kh7 $19) 41. Kg1 $16 Qd5 42. Bxa4 $4 (42. Be2 $142
    Kg7 43. Be5+ Bf6 44. Bf3 $18 (44. Bxf6+ $6 Rxf6 45. Qb2 Qd6 $11)) 42... Qxa2
    $17 43. Bd1 h5 44. Nh2 $4 (44. Qb6 $142 Kg7 45. Ne5 $17) 44... h4 $19 45. Bf4
    Rxf4 46. Qe8+ Bf8 47. Qxg6+ Bg7 48. Bc2 (48. Bf3 Qe6 49. Qg5 Qe1+ 50. Nf1 Ne6
    $19) 48... Qa1+ 49. Nf1 Qf6 (49... Qe1 50. f3 $19) 50. Qe8+ Bf8 51. Qe2 Qg5 52.
    Ne3 Qe5 53. Bb1 Bd6 54. Qc2 Re4 (54... Kf8 $142 55. Qh7 $19) 55. Qa2+ Kg7 56.
    Qa7+ Kh6 $4 (56... Kf6 $142 57. Bxe4 Qxe4 $19) 57. Ng4+ $18 Rxg4 $4 (57... Kg5
    $142 58. Nxe5 Re1+ 59. Kh2 Bxe5+ 60. g3 hxg3+ 61. fxg3 Kg4 62. Bf5+ Kxf5 63.
    Qxc5 Re2+ 64. Kh3 Ke4 $18) 58. Qh7+ Kg5 59. Qg6+ Kf4 60. Qh6+ (60. Qf7+ Kg5 61.
    f4+ Rxf4 62. Qg6#) 60... Rg5 61. Qxh4+ Rg4 62. Qh6+ Rg5 (62... Qg5 63. Qxd6+
    Qe5 64. Qd2+ Qe3 65. Qxe3#) 63. Qh2+ Kg4 64. f3# 1-0
    
    [Event "24th Politiken Cup"]
    [Site "?"]
    [Date "2002.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Matamoros Franco, C."]
    [Result "1/2-1/2"]
    [WhiteElo "2060"]
    [BlackElo "2470"]
    [PlyCount "87"]
    [EventDate "2002.??.??"]
    
    1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 b6 5. c3 Qd7 6. a3 Ba6 (6... Ne7 7. d4 Ba6 8.
    Bxa6 Nxa6 9. O-O Nc7 (9... Rc8 10. Re1 cxd4 11. cxd4 Nc7 12. h4 Nf5 13. Bb2 Be7
    14. g3 O-O 15. Nc3 Rfd8 16. Qd3 a6 17. Re2 Nb5 18. Nd1 Qb7 19. Nd2 Na7 20. Nc3
    Rc7 21. Rb1 Rdc8 22. Ba1 Bf8 23. Ree1 Nc6 24. Ne2 {
    Salmensuu,O-Sakalauskas,V/It Group IM Helsinki Chess Circuit 2002/0-1 (76)})
    10. bxc5 (10. Bf4 Ng6 11. Be3 Be7 12. Nbd2 cxd4 13. cxd4 O-O 14. Nb3 Rfc8 15.
    Qd2 Nb5 16. Rfc1 Rxc1+ 17. Nxc1 a5 18. Nb3 axb4 19. axb4 Rxa1+ 20. Nxa1 Qa7 21.
    Nc2 Qa2 22. g3 Qc4 23. Nfe1 Bf8 24. Bg5 Ne7 {
    Rusan,P-Bonte,A/9th Arad Open 2016/0-1 (55)}) (10. Be3 Nf5 11. g4 Nxe3 12. fxe3
    Be7 13. Nbd2 O-O 14. Rf2 f5 15. exf6 gxf6 16. Nf1 Nb5 17. Qd3 cxb4 18. cxb4 a5
    19. bxa5 Rxa5 20. Rb2 Nxa3 21. Rxb6 Nc4 22. Rxa5 Nxb6 23. N1d2 e5 24. Qf5 Qxf5
    {Salmensuu,O (2455)-Tuominen,R (2185)/Turku We op 2000/1/2-1/2 (44)}) 10...
    bxc5 11. dxc5 Na6 12. c4 Nxc5 13. Be3 Na4 14. Nbd2 Nb2 15. Qc2 Nxc4 16. Nxc4
    dxc4 17. Qxc4 Nd5 18. Rfd1 Rc8 19. Qa6 Be7 20. Qxa7 Qxa7 21. Bxa7 {
    Chuprov,D (2595)-Meier,G (2570)/Aeroflot Open 2008/1/2-1/2 (44)}) 7. d4 $146 (
    7. Bxa6 Nxa6 8. O-O Ne7 9. Re1 Nf5 10. d4 cxb4 11. axb4 Nc7 12. Qa4 b5 13. Qa2
    Be7 14. Na3 O-O 15. g4 Nh4 16. Nxh4 Bxh4 17. Rf1 a5 18. bxa5 Rxa5 19. Qb2 Rfa8
    20. Nc2 Rxa1 21. Nxa1 Be7 {
    azatied (1610)-rondinellejp (1785)/kurnik 2014/0-1 (33)}) (7. Bxa6 Nxa6 8. d4
    Nc7 $11) 7... Bxf1 $11 8. Kxf1 Ne7 9. g3 Nc8 10. Kg2 a5 11. bxc5 bxc5 12. a4 (
    12. Be3 cxd4 13. cxd4 Nc6 $11) 12... Na6 $15 13. Na3 Nb6 14. Nb5 Be7 (14... Rb8
    15. Rb1 $15) 15. h4 (15. Bg5 O-O $11) 15... Nc4 16. Ng5 (16. Bg5 O-O $15) 16...
    Bf8 (16... cxd4 17. cxd4 h6 18. Nf3 $17) 17. f4 (17. Rb1 cxd4 18. cxd4 h6 $15)
    17... h6 18. Nh3 h5 (18... Rb8 19. Rf1 $17) 19. f5 exf5 20. Qf3 cxd4 21. cxd4
    Nb4 22. Bg5 Be7 23. Nf4 {Attacks the isolani on d5} (23. Bxe7 Kxe7 24. Nf4 Kd8
    $15) 23... Nd2 (23... Bxg5 $5 24. hxg5 g6 $15) 24. Qe2 $11 Bxg5 25. hxg5 {
    Can h5 get defended?} Ne4 26. e6 (26. Nxh5 $142 $5 Ke7 27. Nxg7 Rxh1 28. Rxh1
    $14) 26... fxe6 $17 27. Ng6 (27. Rxh5 Kf7 $17) 27... Rh7 (27... Rc8 28. Rac1
    Rh7 $14) 28. Rxh5 $11 Rxh5 29. Qxh5 O-O-O 30. Rc1+ Kb8 31. Ne5 Qe7 {
    The isolani on g5 becomes a target} 32. Rc7 Qxg5 33. Qxg5 Nxg5 34. Nd7+ Rxd7
    35. Rxd7 Ne4 36. Rxg7 Nd3 37. Rg6 (37. Nc7 Nb2 $18) 37... f4 (37... Ne1+ 38.
    Kh1 $16) 38. g4 (38. Rg8+ Kb7 39. Rg7+ Kb8 40. gxf4 Nxf4+ 41. Kf3 Nd3 $18)
    38... Ne1+ (38... Nd2 $142 $5 39. Rg8+ Kb7 40. Rg7+ Kb6 $11) 39. Kf1 $16 Nc2 (
    39... Nf3 40. Rxe6 Nfd2+ 41. Ke1 Nf3+ 42. Kd1 $16) 40. Rxe6 (40. Ke2 Nb4 $18)
    40... f3 41. Re8+ (41. Rb6+ Ka8 42. Nc7+ Ka7 43. Nxd5 Nc3 44. Nxc3 Kxb6 $18)
    41... Kb7 $16 42. Rf8 (42. Rxe4 $142 $5 dxe4 43. Kf2 $16) 42... Ne3+ $11 43.
    Kg1 f2+ 44. Rxf2 1/2-1/2
    
    [Event "30th Open San Sebastian ESP"]
    [Site "?"]
    [Date "2007.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Orus, Julien"]
    [Result "0-1"]
    [WhiteElo "1945"]
    [PlyCount "112"]
    [EventDate "2007.??.??"]
    
    1. e4 e6 2. Nf3 c5 3. a3 Nc6 4. b4 cxb4 5. axb4 Bxb4 6. c3 Ba5 7. d4 d5 8. e5
    Nge7 9. Bd3 h6 10. g4 $146 (10. O-O a6 (10... O-O 11. Nh4 Nf5 12. Nxf5 exf5 13.
    Qc2 Kh8 14. Bxf5 Bxc3 15. Nxc3 Nxd4 16. Qd3 Nxf5 17. Qxd5 Be6 18. Qxb7 Qd4 19.
    Qf3 Qxe5 20. Bf4 Qd4 21. Ra4 Qc5 22. Rfa1 Rfc8 23. Ne4 Qc6 24. Ra6 Qc2 25. Ng3
    {Aniper,V (1745)-Brailko,J (2145)/ch-UKR w Poltava UKR 2010/1/2-1/2 (49)}) 11.
    Ba3 b5 12. Nfd2 b4 13. cxb4 Bxb4 14. Qa4 Bxa3 15. Nxa3 O-O 16. Nb3 Bd7 17. Nc5
    Nxe5 18. Qc2 Nxd3 19. Qxd3 Nf5 20. Rfb1 Nd6 21. Nxa6 Ne4 22. f3 Bc8 23. Nb4 Nd6
    24. Nac2 Rxa1 {Salvatti,D (2035)-Cisneros,G (1985)/Club Argentino de Ajedrez -
    TORNEO SUPR 2016/0-1 (38)}) (10. O-O O-O $15) 10... Qc7 11. Kf1 (11. Ba3 a6 $15
    ) 11... Bd7 12. Kg2 a6 13. Ba3 b5 14. Bd6 Qd8 15. Nfd2 (15. Rg1 Nc8 $17) 15...
    Nc8 16. Bc5 Bb6 17. Ba3 (17. Nb3 h5 $17) 17... b4 $1 18. Bb2 (18. Bxb4 Nxb4 {
    Combination}) (18. cxb4 Bxd4 {Deflection}) 18... bxc3 $19 19. Bxc3 Nxd4 (19...
    h5 20. Rg1 $19) 20. h4 (20. Rxa6 $5 Rxa6 21. Bxa6 $17) 20... Nb5 21. Bb4 (21.
    Nf3 $19) 21... Bd4 22. Nf3 (22. Ra4 Bxe5 23. Nf3 $19) 22... Bxa1 23. Nbd2 Bc3
    24. Bc5 (24. Bxc3 Nxc3 25. Qa1 Na4 $19) 24... Bc6 (24... Qc7 25. Nb3 $19) 25.
    Rh3 (25. Qc2 d4 $19) 25... Qc7 26. Be3 (26. Qe2 Nb6 27. Bxb5 Bxb5 28. Bxb6 Qxb6
    $19) 26... Bxe5 27. Nxe5 Qxe5 28. Qf3 (28. Nf3 Qb2 $19) 28... Ne7 29. Bf4 Qc3 (
    29... Qf6 30. Qg3 Ng6 31. Bxg6 Qxg6 32. f3 $19) 30. Qe2 (30. Kh2 Qb4 31. Nb1
    Ng6 $19) 30... Qb4 31. Be5 (31. Kg3 h5 $1 32. g5 f6 33. Qxe6 Nd4 $19) 31... Nc3
    (31... f6 32. Bh2 e5 33. f4 $19) 32. Qf1 (32. Bxc3 d4+ 33. Be4 dxc3 34. Bxc6+
    Nxc6 $19) 32... Qxg4+ 33. Rg3 (33. Kh2 Nb5 $19) 33... d4+ 34. f3 Qxh4 35. Nc4 (
    35. Rxg7 Bd5 $19) 35... Nb5 (35... f6 $142 36. Bd6 e5 37. Bxe7 Kxe7 38. Qa1 $19
    ) 36. Rh3 Qg5+ 37. Rg3 Qh5 38. Rh3 Bxf3+ $1 39. Rxf3 (39. Qxf3 Qxf3+ {
    Double attack}) (39. Rxf3 Ng6 {Combination}) 39... f5 (39... Nd5 $142 40. Bxg7
    Rg8 41. Rg3 $19) 40. Rh3 Qf7 41. Rg3 (41. Nb6 Nc6 42. Bxb5 axb5 43. Nxa8 O-O
    44. Bxg7 Qxg7+ 45. Rg3 Rxa8 46. Rxg7+ Kxg7 47. Qxb5 Ra2+ 48. Kg3 Rc2 $19) 41...
    Nd5 42. Qf3 (42. Bxd4 Rg8 $19) 42... Rg8 43. Bd6 (43. Qd1 Rd8 $19) 43... Qd7 (
    43... g5 $142 44. Kf2 $19) 44. Bc5 (44. Qh5+ Kd8 45. Be5 Rc8 $19) 44... g5 (
    44... Qc6 $142 45. Nb6 Nf4+ 46. Kg1 Qxf3 47. Bxb5+ axb5 48. Rxf3 Ra1+ 49. Kf2
    $19) 45. Ne5 Ne3+ (45... Qc7 $142 $5 46. Bxb5+ axb5 47. Bxd4 Qc2+ 48. Kg1 Qc1+
    49. Qf1 Qxf1+ 50. Kxf1 $19) 46. Kg1 (46. Kh2 Qd5 47. Qh5+ Kd8 $19) 46... Qd5
    47. Qh5+ Kd8 48. Qf7 (48. Rxe3 dxe3 49. Qf7 Qxe5 50. Qxg8+ Kc7 51. Qxa8 Qxc5
    $19) 48... Qxe5 49. Qxg8+ Kc7 50. Qxa8 (50. Qf7+ Kc6 51. Kh2 $19) 50... Qxg3+
    51. Kh1 Ng4 (51... Qe1+ 52. Kh2 Ng4+ 53. Kh3 Qe3+ 54. Kg2 Qf2+ 55. Kh1 Qh2#)
    52. Qg2 $19 Qxd3 53. Bb4 Qb1+ 54. Qg1 Qxb4 55. Qa1 Qc4 56. Kg1 Ne3 (56... Ne3
    57. Qe1 e5 58. Qa5+ Kd7 59. Qe1 g4 60. Qd2 Qf1+ 61. Kh2 g3+ 62. Kxg3 f4+ 63.
    Kh4 Qh1+ 64. Qh2 Qxh2#) 0-1
    
    [Event "Politiken Cup"]
    [Site "?"]
    [Date "2009.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Brynell, Stellan"]
    [Result "0-1"]
    [WhiteElo "1970"]
    [BlackElo "2470"]
    [PlyCount "52"]
    [EventDate "2009.??.??"]
    
    1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 c4 5. c3 a5 6. b5 Nd7 7. d3 cxd3 8. Bxd3 f6 (
    8... Qc7 9. Qe2 Ne7 10. O-O Ng6 11. Re1 Be7 12. h4 Nxh4 13. Nxh4 Bxh4 14. Ba3
    Be7 15. Bxe7 Kxe7 16. Qg4 Rf8 17. Qxg7 b6 18. Qxh7 Bb7 19. Qh4+ f6 20. exf6+
    Rxf6 21. Bf5 Nc5 22. Nd2 Raf8 23. Nf3 {
    Moravec,V (2165)-Melkevik,J (1995)/Open Letni Praha - A 2016/1-0 (32)}) 9. Bf4
    (9. Qc2 Nxe5 10. Nxe5 fxe5 11. Bxh7 Bd6 12. Bxg8 Rxg8 13. c4 Qc7 14. Ba3 Bb4+
    15. Bxb4 axb4 16. Nd2 e4 17. Qb2 Rh8 18. g3 e3 19. fxe3 Ra3 20. O-O Rxe3 21.
    Nf3 dxc4 22. Qf2 Rd3 23. Ng5 b6 {
    Najer,E (2455)-Moskalenko,V (2525)/Moscow Petrosian 1995/1/2-1/2}) 9... fxe5
    10. Ng5 $146 (10. Nxe5 Nxe5 (10... Qf6 11. Nxd7 Bxd7 12. Qh5+ g6 13. Qe5 Bg7
    14. Qc7 Rc8 15. Qd6 e5 16. Qxf6 Bxf6 17. Bd2 Ne7 18. f3 Bf5 19. Bxf5 gxf5 20.
    O-O a4 21. Na3 h5 22. Rab1 Kd7 23. Rb4 Ra8 24. Rd1 Rhc8 25. Be1 {
    Franck,B (2105)-Silvain,T (1930)/Lille FRA, 5th Luc Open 2014/1-0 (45)}) 11.
    Bxe5 Qg5 12. Bg3 Bd7 13. Nd2 Rc8 14. Nf3 Qh5 15. Rc1 Nh6 16. Be2 Qg5 {
    1-0 Helin,M (1910)-Hilmarsson,A/Reykjavik Open 2013}) (10. Nxe5 $142 $5 Qf6 11.
    Nxd7 Bxd7 12. Bc7 $14) 10... Qf6 11. Be3 e4 12. Bc2 Nh6 13. Nh3 Nf5 14. Bg5 Qf7
    15. c4 Bb4+ 16. Nd2 h6 17. Bf4 (17. cxd5 $142 hxg5 18. Nxg5 $19) 17... e5 18.
    cxd5 exf4 19. Nxf4 (19. O-O Nb6 20. Nxe4 Nxd5 $19 (20... Qxd5 $6 21. Nxf4 Qxd1
    22. Rfxd1 $19)) 19... Nc5 (19... Nh4 $5 20. g3 Ne5 21. Kf1 $19) 20. O-O O-O (
    20... Nh4 21. Ne2 Bxd2 22. Qxd2 $19) 21. Nc4 Nh4 (21... Bc3 $142 22. Rb1 Nd4
    23. Nh5 $19) 22. Ne6 (22. Ne2 $19) 22... Nxe6 23. Nb6 (23. dxe6 Qg6 24. Ne3
    Bxe6 25. Bb3 Nf3+ 26. Kh1 $19) 23... Qg6 24. g3 Nf3+ 25. Kh1 (25. Qxf3 Rxf3 26.
    Nxa8 $19) 25... Qh5 26. h4 (26. Qxf3 Qxf3+ 27. Kg1 Ng5 28. h4 Bh3 29. Bxe4 Nxe4
    30. Nxa8 Qg2#) 26... Qg4 (26... Qg4 27. Qxf3 Qh3+ 28. Kg1 exf3 29. Bh7+ Kxh7
    30. Nxa8 Qg2#) 0-1
    
    [Event "Highlands Open"]
    [Site "?"]
    [Date "2009.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Maly, Ant"]
    [Result "1-0"]
    [WhiteElo "1960"]
    [BlackElo "1895"]
    [PlyCount "66"]
    [EventDate "2009.??.??"]
    
    1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 b6 5. c3 Qd7 6. a3 Ba6 (6... Ne7 7. d4 Ba6 8.
    Bxa6 Nxa6 9. O-O Nc7 (9... Rc8 10. Re1 cxd4 11. cxd4 Nc7 12. h4 Nf5 13. Bb2 Be7
    14. g3 O-O 15. Nc3 Rfd8 16. Qd3 a6 17. Re2 Nb5 18. Nd1 Qb7 19. Nd2 Na7 20. Nc3
    Rc7 21. Rb1 Rdc8 22. Ba1 Bf8 23. Ree1 Nc6 24. Ne2 {
    Salmensuu,O-Sakalauskas,V/It Group IM Helsinki Chess Circuit 2002/0-1 (76)})
    10. bxc5 (10. Bf4 Ng6 11. Be3 Be7 12. Nbd2 cxd4 13. cxd4 O-O 14. Nb3 Rfc8 15.
    Qd2 Nb5 16. Rfc1 Rxc1+ 17. Nxc1 a5 18. Nb3 axb4 19. axb4 Rxa1+ 20. Nxa1 Qa7 21.
    Nc2 Qa2 22. g3 Qc4 23. Nfe1 Bf8 24. Bg5 Ne7 {
    Rusan,P-Bonte,A/9th Arad Open 2016/0-1 (55)}) (10. Be3 Nf5 11. g4 Nxe3 12. fxe3
    Be7 13. Nbd2 O-O 14. Rf2 f5 15. exf6 gxf6 16. Nf1 Nb5 17. Qd3 cxb4 18. cxb4 a5
    19. bxa5 Rxa5 20. Rb2 Nxa3 21. Rxb6 Nc4 22. Rxa5 Nxb6 23. N1d2 e5 24. Qf5 Qxf5
    {Salmensuu,O (2455)-Tuominen,R (2185)/Turku We op 2000/1/2-1/2 (44)}) 10...
    bxc5 11. dxc5 Na6 12. c4 Nxc5 13. Be3 Na4 14. Nbd2 Nb2 15. Qc2 Nxc4 16. Nxc4
    dxc4 17. Qxc4 Nd5 18. Rfd1 Rc8 19. Qa6 Be7 20. Qxa7 Qxa7 21. Bxa7 {
    Chuprov,D (2595)-Meier,G (2570)/Aeroflot Open 2008/1/2-1/2 (44)}) 7. g3 $146 (
    7. Bxa6 Nxa6 8. O-O Ne7 9. Re1 Nf5 10. d4 cxb4 11. axb4 Nc7 12. Qa4 b5 13. Qa2
    Be7 14. Na3 O-O 15. g4 Nh4 16. Nxh4 Bxh4 17. Rf1 a5 18. bxa5 Rxa5 19. Qb2 Rfa8
    20. Nc2 Rxa1 21. Nxa1 Be7 {
    azatied (1610)-rondinellejp (1785)/kurnik 2014/0-1 (33)}) (7. Bxa6 Nxa6 8. d4
    Nc7 $11) 7... Bxf1 8. Kxf1 Nc6 (8... d4 9. Kg2 $15) 9. d4 a5 10. bxc5 bxc5 11.
    a4 (11. Kg2 Nge7 $15) 11... cxd4 12. cxd4 Bb4 13. Na3 (13. Kg2 Nge7 $15) 13...
    Nge7 14. Nb5 O-O 15. Bg5 f6 (15... Na7 16. Bxe7 Bxe7 17. Nxa7 Rxa7 18. Rb1 $17)
    16. exf6 gxf6 17. Bf4 Ng6 18. Bh6 Rf7 19. h4 e5 20. h5 Nge7 21. g4 e4 (21...
    Qxg4 $2 22. Rg1 Qxg1+ 23. Nxg1 $18) 22. Nh4 Kh8 23. Kg2 f5 24. g5 f4 25. Qg4 $4
    {White prepares the advance g6} (25. g6 Rg8 26. Kf1 $11) 25... Nf5 (25... Qxg4+
    $142 26. Kf1 Qxh5 $19) 26. Nxf5 $15 Qxf5 (26... Rxf5 27. g6 f3+ 28. Kg3 Bd6+
    29. Nxd6 Qxd6+ 30. Bf4 $15) 27. Qxf5 $11 Rxf5 28. g6 Bf8 (28... Ne7 29. Rag1
    $15) 29. Bxf8 Rfxf8 (29... Raxf8 30. Rag1 $11) 30. Rac1 $14 Nb4 $2 (30... Rf6
    $142 $14) 31. Nd6 $4 (31. Rc7 $142 Rf6 32. Rxh7+ Kg8 33. Rc1 $18) 31... hxg6
    $11 32. hxg6+ (32. Rc7 $5 Rf6 33. Nc8 $11) 32... Kg7 $17 33. Rhg1 Kf6 1-0
    
    [Event "Reykjavik Open"]
    [Site "?"]
    [Date "2012.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Fridthjofsdottir, S."]
    [Result "1-0"]
    [WhiteElo "1880"]
    [BlackElo "1730"]
    [PlyCount "67"]
    [EventDate "2012.??.??"]
    
    1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 b6 5. c3 Bb7 (5... Nd7 6. a3 a5 7. b5 f6 8.
    d4 fxe5 9. dxe5 Nh6 10. Bxh6 gxh6 11. Bd3 Bg7 12. O-O O-O 13. Re1 Qc7 14. Qe2
    Bb7 15. Nbd2 c4 16. Bc2 Rf7 17. Qe3 Re8 18. Re2 Bc8 19. Rae1 Ref8 20. a4 {
    Rusan,P (2325)-Vysochin,S (2580)/Championship A 2005/0-1 (70)}) (5... Qd7 6. a3
    Ba6 7. Bxa6 Nxa6 8. d4 Ne7 9. O-O Nc7 10. Bf4 Ng6 11. Be3 Be7 12. Nbd2 cxd4 13.
    cxd4 O-O 14. Nb3 Rfc8 15. Qd2 Nb5 16. Rfc1 Rxc1+ 17. Nxc1 a5 18. Nb3 axb4 19.
    axb4 Rxa1+ 20. Nxa1 {Rusan,P-Bonte,A/9th Arad Open 2016/0-1 (55)}) (5... Nc6 6.
    a3 Bd7 7. d4 c4 8. a4 a6 9. Be2 Nce7 10. Qd2 Qc7 11. Bd1 h6 12. h4 O-O-O 13.
    Qe2 Kb7 14. Bc2 Be8 15. Na3 Qd7 16. b5 a5 17. Nd2 Nc8 18. Qf3 Ka7 19. Bd1 Qc7
    20. Nc2 {Helin,M (1960)-Burke,S (2035)/Paignton Ron Bruce Premier 2011/0-1 (48)
    }) 6. a3 Nc6 $146 (6... Ne7 7. Bb5+ Bc6 8. Bxc6+ Nbxc6 9. O-O Ng6 10. Re1 Qc7
    11. d4 Be7 12. Bg5 O-O 13. Bxe7 Qxe7 14. Nbd2 cxd4 15. cxd4 Rac8 16. Nb3 a5 17.
    b5 Na7 18. a4 Rc4 19. Nbd2 Rc3 20. Rc1 Rfc8 21. Rxc3 {
    azatied (1690)-3mjack (1720)/kurnik 2014/1-0 (45)}) (6... Nd7 7. Bb5 a6 8.
    Bxd7+ Qxd7 9. O-O Ne7 10. d4 Nf5 11. Bf4 h5 12. Nbd2 Be7 13. Nb3 cxd4 14. Nbxd4
    Nxd4 15. cxd4 Rc8 16. Rc1 O-O 17. Qd3 g6 18. Bg5 Rc4 19. Bxe7 Qxe7 20. Rxc4
    dxc4 21. Qxc4 {azatied (1735)-3mjack (1755)/kurnik 2013/1-0}) 7. d4 c4 8. a4 (
    8. Be2 Qd7 $14) 8... Nge7 9. h4 Qc7 10. Na3 a6 11. h5 Nf5 (11... h6 12. Be2 $11
    ) 12. Nc2 (12. g4 Nfe7 $14) 12... Be7 (12... f6 $5 $11) 13. g4 $16 Nh6 14. Bh3
    (14. Bxh6 gxh6 15. Qd2 Bf8 $16) 14... Ng8 $14 15. Bf4 O-O-O (15... h6 16. Bg2
    $14) 16. Na3 (16. b5 Nb8 $16) 16... Nxb4 (16... Nb8 $5 $14) 17. cxb4 $16 Bxb4+
    18. Kf1 Kb8 (18... Kd7 19. Nc2 Bc3 20. Rc1 $16) 19. Nc2 a5 (19... Ba5 20. Bd2
    c3 21. Be3 $18) 20. Bg3 (20. Nxb4 axb4 21. Ke1 b3 $18) 20... Ne7 (20... Be7 21.
    Ke1 $18) 21. Bh4 Rde8 (21... Rc8 22. Nxb4 axb4 23. Rb1 $18) 22. Na3 (22. Nxb4
    $5 axb4 23. h6 gxh6 $18) 22... Bc6 23. Nc2 Bd7 $4 (23... Bb7 24. Nxb4 axb4 $18)
    24. Ng5 $18 Ref8 (24... f6 25. Nxb4 axb4 26. exf6 gxf6 27. Bg3 $18) 25. Nxb4
    axb4 26. Ne4 $1 Nc8 (26... dxe4 27. Qb1 {Double attack} (27. Bxe7 {
    Discovered attack}) (27. Qb1 {Decoy})) 27. Nd6 $1 Nxd6 28. exd6 Qa7 29. Be7 Rc8
    30. Kg2 Qa5 31. Qf3 b5 $2 (31... f5 $142 $5 $16) 32. Rhb1 (32. axb5 Qxb5 33.
    Qxf7 b3 $18) 32... f6 33. h6 $1 gxh6 34. Qxf6 1-0
    
    [Event "2nd Festival Sport Summer"]
    [Site "?"]
    [Date "2009.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Ristic, Nebojsa B"]
    [Result "0-1"]
    [WhiteElo "1970"]
    [BlackElo "2360"]
    [PlyCount "70"]
    [EventDate "2009.??.??"]
    
    1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 b6 5. c3 Qd7 6. a3 Ba6 7. g3 (7. Bxa6 Nxa6 8.
    d4 Ne7 9. O-O Nc7 10. Qd3 (10. Bf4 Ng6 11. Be3 Be7 12. Nbd2 cxd4 13. cxd4 O-O
    14. Nb3 Rfc8 15. Qd2 Nb5 16. Rfc1 Rxc1+ 17. Nxc1 a5 18. Nb3 axb4 19. axb4 Rxa1+
    20. Nxa1 Qa7 21. Nc2 Qa2 22. g3 Qc4 23. Nfe1 Bf8 24. Bg5 Ne7 {
    Rusan,P-Bonte,A/9th Arad Open 2016/0-1 (55)}) 10... c4 11. Qc2 a5 12. Ra2 axb4
    13. axb4 Rxa2 14. Qxa2 Nc6 15. Ng5 Be7 16. Qc2 h6 17. Nh3 O-O 18. Re1 f6 19.
    Bxh6 fxe5 20. dxe5 Rf5 21. Bf4 {
    1/2-1/2 Gajewski,G (2455)-Meier,G (2300)/Aviles, ESP, Open San Agustin 2003})
    7... Bxf1 8. Kxf1 Ne7 (8... Nc6 9. d4 a5 10. bxc5 bxc5 11. a4 cxd4 12. cxd4 Bb4
    13. Na3 Nge7 14. Nb5 O-O 15. Bg5 f6 16. exf6 gxf6 17. Bf4 Ng6 18. Bh6 Rf7 19.
    h4 e5 20. h5 Nge7 21. g4 e4 22. Nh4 Kh8 23. Kg2 {
    Helin,M (1960)-Maly,A (1895)/Highlands Open 2009/1-0 (33)}) 9. d4 h5 $146 (9...
    Nc8 10. Kg2 a5 11. bxc5 bxc5 12. a4 Na6 13. Na3 Nb6 14. Nb5 Be7 15. h4 Nc4 16.
    Ng5 Bf8 17. f4 h6 18. Nh3 h5 19. f5 exf5 20. Qf3 cxd4 21. cxd4 Nb4 22. Bg5 Be7
    23. Nf4 Nd2 24. Qe2 {
    Helin,M (2060)-Matamoros Franco,C (2470)/24th Politiken Cup 2002/1/2-1/2 (44)})
    10. Nh4 Na6 (10... a5 11. bxc5 (11. dxc5 $143 bxc5 12. bxc5 Nec6 $15) 11...
    bxc5 12. Kg2 $11 (12. dxc5 $143 Nec6 $17)) 11. Kg2 $14 Nc7 12. Bg5 Nc6 13. f4 (
    13. Nf3 c4 $14) 13... Be7 (13... a5 14. bxc5 bxc5 15. Qd3 $11) 14. Bxe7 Nxe7
    15. Rf1 g6 (15... Rc8 16. Qd3 $11) 16. Nd2 (16. dxc5 bxc5 17. Nd2 Qc6 $14)
    16... Nb5 (16... cxd4 17. cxd4 Nb5 18. Ndf3 $11) 17. Nb1 (17. dxc5 $5 bxc5 18.
    Qf3 $14) 17... cxd4 $15 18. cxd4 Rc8 (18... a5 $142 19. Qd2 axb4 $15) 19. Qd3 (
    19. a4 $142 Nc3 20. Nxc3 Rxc3 21. Rf2 $15) 19... Rc4 $19 20. Qe3 (20. Nd2 Rc3
    21. Qb1 Nxd4 $17) 20... Nxd4 21. Qd3 Nef5 (21... Qb5 22. Nc3 Qc6 23. Kg1 $19)
    22. Nd2 $17 Rc7 23. Kh1 (23. Ndf3 Nxf3 24. Nxf3 O-O $19) 23... Nxh4 $19 24.
    gxh4 (24. Qxd4 Nf5 25. Qd3 Ke7 $19) 24... Nf5 25. Rad1 (25. Rfc1 Ke7 $19) 25...
    Ke7 26. b5 (26. Nf3 Rhc8 27. Nd4 Nxd4 28. Qxd4 Rc4 $19) 26... Rhc8 27. Ne4 (27.
    Qb3 $19) 27... dxe4 28. Qb3 (28. Qb1 Qe8 29. Qb4+ Rc5 30. Qxe4 Qxb5 $19) 28...
    Qe8 29. Rd6 (29. Qb4+ Rc5 30. Qxe4 Qxb5 31. Qb7+ Ke8 32. Qe4 $19) 29... Nxd6
    30. exd6+ Kxd6 31. Rd1+ (31. Qb4+ Rc5 32. a4 f5 $19) 31... Ke7 32. Qb2 (32.
    Qb4+ Kf6 33. Qb2+ e5 34. fxe5+ Kg7 35. e6+ f6 $19) 32... Rc5 33. a4 Rd8 34. Rg1
    Qd7 (34... e3 35. Qg2 Rd2 36. Qb7+ Qd7 37. Qxd7+ Kxd7 38. Ra1 Rcc2 39. f5 Rxh2+
    40. Kg1 Rcg2+ 41. Kf1 Rf2+ 42. Kg1 e2 43. fxe6+ Kxe6 44. Rd1 exd1=Q#) 35. Qg7
    e3 (35... e3 36. Qb2 Qd2 37. Qd4 Qxd4 38. Kg2 Rc2+ 39. Kg3 Qd2 40. Kf3 Qf2+ 41.
    Ke4 Rc4+ 42. Ke5 Qxf4#) 0-1
    
    [Event "10th Gibraltar Challengers-A"]
    [Site "?"]
    [Date "2012.??.??"]
    [Round "?"]
    [White "Helin, Mikael"]
    [Black "Suez_Panama, Gilles"]
    [Result "0-1"]
    [WhiteElo "1935"]
    [BlackElo "2030"]
    [PlyCount "60"]
    [EventDate "2012.??.??"]
    
    1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 cxb4 5. d4 Bd7 6. a3 Qa5 7. Nfd2 $146 (7. Qd2
    Nc6 8. Bd3 Qb6 9. Qf4 Nge7 10. O-O Ng6 11. Qe3 Be7 12. Nbd2 O-O 13. Bb2 bxa3
    14. Bxa3 Qc7 15. Bxe7 Ncxe7 16. h4 f5 17. h5 Nh8 18. Rfc1 Nf7 19. c4 Bc6 20.
    Nb3 h6 21. Be2 Rfe8 {
    Kondziela,A (2095)-Walkenhorst,A (1845)/T0053 www.desc-online.de 2002/1/2-1/2})
    (7. Bd2 Bb5 (7... Nh6 8. Bd3 Bb5 9. Bxh6 gxh6 10. O-O Bxd3 11. Qxd3 Nc6 12.
    Nbd2 bxa3 13. c4 dxc4 14. Nxc4 Qd5 15. Rfb1 Rd8 16. Ne3 Nxe5 17. Nxd5 Nxd3 18.
    Nf6+ Ke7 19. Nh5 e5 20. Rxa3 e4 21. Rxb7+ Ke6 22. Ra6+ {
    Hoiberg,N (2195)-Hagen,K (2185)/TCh-DEN XtraCon 2013/1-0 (40)}) 8. axb4 Qxa1 9.
    Bxb5+ Nc6 10. c3 a5 11. bxa5 Qxa5 12. Bd3 Qa4 13. Qe2 h6 14. O-O Nge7 15. h4
    Nc8 16. Bb5 Qb3 17. Be3 Nb6 18. Nfd2 Qa2 19. f4 g6 20. h5 Nc4 21. hxg6 fxg6 {
    Rahls,P (2305)-Zschaebitz,K (2175)/Berlin-ch 2012/1-0}) (7. Bb2 bxa3+ 8. c3 Ba4
    9. Qc1 axb2 10. Qxb2 Nd7 11. Rxa4 Qc7 12. Na3 a6 13. Nb5 Qb8 14. Nd6+ Bxd6 15.
    exd6 Ngf6 16. Ne5 Qxd6 17. f4 O-O 18. g4 b5 19. Ra2 Nb6 20. h4 Ne4 21. h5 Na4 {
    Helin,M (1955)-Karlzen,H/Gothenburg op 2004/0-1 (47)}) (7. Bd3 Bb5 8. O-O Bxd3
    9. Qxd3 Qa6 10. Qb3 Nc6 11. Qb2 Qb6 12. Rd1 h5 13. axb4 Qxb4 14. Qa2 Nh6 15.
    Ba3 Qa5 16. Qb3 Qb6 17. Qd3 a5 18. Bxf8 Kxf8 19. Na3 Qa6 20. Qc3 g6 21. Rdb1
    Nb4 {Vedder,H-Poulton,J/Gausdal Peer Gynt NOR 1990/1-0 (43)}) (7. Bd3 Nc6 $15)
    7... Nc6 (7... Nh6 8. Nb3 Qb6 9. Bd3 $17) 8. Nb3 $15 Qb6 9. axb4 Bxb4+ 10. c3
    Be7 11. Bd3 h5 (11... Nh6 12. O-O $15) 12. h4 (12. O-O h4 $15) 12... Nh6 $17
    13. Na3 Nf5 14. Nb5 (14. Rb1 Na5 $17 (14... Nxh4 $6 15. Nc5 Qa5 16. Nxd7 $11))
    14... Nd8 (14... Nxe5 15. dxe5 Bxb5 16. Bxf5 exf5 17. Nd4 $17) 15. Qe2 $17 a6 (
    15... Bxh4 $143 16. Rb1 Bxb5 17. Bxb5+ Kf8 18. Bd3 $11) 16. Bg5 $2 (16. O-O
    $142 $17) 16... Rb8 $19 (16... Bxb5 $6 17. Bxb5+ Nc6 18. Ba4 $15) 17. Bxe7 (17.
    Nd6+ Nxd6 18. Nc5 Nf5 19. Bxe7 Kxe7 $19) 17... Kxe7 (17... Bxb5 $6 18. Bxd8
    Rxd8 19. Nc5 $15) 18. Qf3 (18. Nd6 Qxb3 19. Qd2 Nxd6 20. exd6+ Kf8 $19) 18...
    Bxb5 (18... axb5 $6 19. O-O g6 20. Nc5 $19) 19. Bxf5 exf5 20. Qxd5 Qc6 (20...
    Ne6 21. Qf3 Rhd8 22. d5 $19) 21. Qc5+ (21. Qxc6 Nxc6 22. Nd2 Rhd8 $19) 21...
    Qxc5 22. Nxc5 Ne6 23. Nb3 (23. Nxe6 Kxe6 24. Rh3 f6 $19) 23... Nf4 24. Kd2 Rbc8
    25. g3 Nd5 26. Rhc1 (26. Nc5 b6 27. c4 Bxc4 $19) 26... b6 27. f4 (27. Rc2 Rc7
    28. Nc1 Rhc8 $19) 27... Rh6 (27... Rc6 28. Ra3 $19) 28. Ra3 (28. Nc5 bxc5 29.
    c4 cxd4 30. cxb5 Rxc1 31. Rxc1 Nc3 $19) 28... Rg6 29. Nc5 (29. c4 Rxc4 30. Rxc4
    Bxc4 31. Nc1 $19) 29... Rxg3 30. Nb7 Rg2+ (30... Rg2+ 31. Ke1 Re2+ 32. Kf1 Rc2+
    33. Ke1 Rxc1+ 34. Kd2 R1xc3 35. Rxc3 Rxc3 $19) 0-1
    
    
    
    
    
    
    
    
    
    
    

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