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Literatur_Sokolski_Opening - compiled by Peter Markus Steiner (in German)



Some recent games
     


Manuel Bosboom
of Netherlands

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

    
    
    (2021-06-01)
    (All annotations below by Fritz)
    (Games' source: Marek's 1.b4 database)
    
    
    [Event "NED-chT"]
    [Site "?"]
    [Date "2000.??.??"]
    [Round "?"]
    [White "Bosboom, Manuel"]
    [Black "Langeweg, Kick"]
    [Result "1/2-1/2"]
    [WhiteElo "2460"]
    [BlackElo "2290"]
    [PlyCount "39"]
    [EventDate "2000.??.??"]
    
    1. b4 c6 2. Bb2 a5 3. b5 cxb5 4. e4 b4 5. a3 Na6 6. Nf3 (6. Bd4 Nf6 7. e5 Nd5
    $11) 6... e6 (6... Nf6 7. axb4 Nxb4 8. Nc3 $11) 7. axb4 axb4 (7... Nxb4 8. Bb5
    $11) 8. c4 (8. Bb5 Qb6 9. Qe2 Qc7 $14) 8... d6 (8... bxc3 9. Nxc3 d6 10. Bc4
    $11) 9. d4 Nf6 10. Nbd2 (10. Bd3 Be7 $11) 10... Be7 11. Bd3 O-O 12. O-O Nd7 (
    12... Nh5 13. Qb3 $11) 13. Nb3 Qc7 14. Qe2 (14. Re1 e5 $11) 14... e5 15. c5 (
    15. Rfd1 Bf6 $11) 15... dxc5 16. dxc5 Bf6 17. Rfc1 Ndb8 18. Bc4 Nc6 (18... Rd8
    19. Rd1 Nc6 20. Rxd8+ Qxd8 21. Bd5 $11) 19. Bd5 (19. Rd1 Rd8 $11) 19... Be6 (
    19... Bg4 20. Rd1 $11) 20. Bxe6 $14 1/2-1/2
    
    [Event "Dieren op"]
    [Site "?"]
    [Date "1999.??.??"]
    [Round "?"]
    [White "Bosboom, Manuel"]
    [Black "Sipke, Ernst"]
    [Result "*"]
    [WhiteElo "2475"]
    [BlackElo "2440"]
    [PlyCount "46"]
    [EventDate "1999.??.??"]
    
    1. b4 c6 2. Bb2 Qb6 3. a3 a5 4. c4 axb4 5. c5 Qc7 6. axb4 Rxa1 7. Bxa1 b6 8. e3
    (8. Nf3 d6 $11) 8... d6 9. Na3 bxc5 10. bxc5 dxc5 (10... Qa7 11. Qc1 $11) 11.
    Nf3 Nd7 12. Nc4 Ngf6 13. Nfe5 g6 (13... Nxe5 14. Bxe5 Qb7 15. Be2 $14) 14. Qf3
    (14. Qb3 $5 $16) 14... Bg7 $11 15. Qxc6 Qxc6 16. Nxc6 Bb7 (16... h6 17. Be2 $11
    ) 17. N4a5 $14 Bxc6 18. Nxc6 e6 19. Be2 O-O 20. Bf3 Nd5 21. Ke2 Ra8 22. Bxg7 (
    22. Ne7+ Kf8 23. Bxg7+ Kxe7 $14) 22... Kxg7 23. Rb1 Rc8 (23... Rc8 24. Bxd5
    exd5 $16) (23... c4 $142 $5 $11) *
    
    [Event "ch Europe juniors"]
    [Site "?"]
    [Date "1982.??.??"]
    [Round "?"]
    [White "Berchtold"]
    [Black "Bosboom, Manuel"]
    [Result "0-1"]
    [PlyCount "81"]
    [EventDate "1982.??.??"]
    
    1. b4 d5 2. Bb2 Qd6 3. a3 a5 4. b5 e5 5. e3 Nf6 (5...
    Be6 6. Nf3 Nd7 7. d3 Be7 8. Nbd2 Bf6 9. Be2 Bg4 10. Rb1 Ne7 11. O-O O-O 12. c4
    Nc5 13. Qc2 e4 14. dxe4 dxe4 15. Bxf6 Qxf6 16. Nxe4 Qf5 17. Bd3 Bxf3 18. gxf3
    Nxd3 19. Qxd3 Rad8 20. Qe2 {
    Sale,S (2425)-Pandurevic,M (2220)/Zagreb op 1997/1-0}) 6. c4 $146 (6. Nf3 Nbd7
    (6... Ng4 7. h3 e4 8. Nd4 Ne5 9. f4 Nc4 10. Bxc4 dxc4 11. O-O Be7 12. Nc3 O-O
    13. Nxe4 Qd7 14. c3 c5 15. Nf3 Qe6 16. Neg5 Bxg5 17. Nxg5 Qg6 18. Qe2 h6 19.
    Nf3 Bxh3 20. Ne5 Qf5 21. gxh3 {typ48-kinik00/kurnik 2013/1-0}) 7. d4 e4 8. Nfd2
    Be7 9. c3 O-O 10. c4 c6 11. c5 Qc7 12. b6 Qd8 13. Nc3 Re8 14. Be2 Nf8 15. O-O
    Ng6 16. f3 exf3 17. Bxf3 Bf8 18. Re1 Bf5 19. e4 dxe4 20. Ncxe4 Nxe4 {
    barborski-scalin (1635)/kurnik 2014/0-1 (63)}) (6. d4 exd4 7. Bxd4 Be7 8. Nf3
    c5 9. Be5 Qd8 10. Bb2 c4 11. Nc3 O-O 12. g3 Be6 13. Bg2 Nbd7 14. O-O Re8 15.
    Nd4 Nb6 16. Nxe6 fxe6 17. Qd2 Bc5 18. Ne2 a4 19. Bd4 Qe7 20. Bxc5 Qxc5 {
    Texel 1?05 64_bit 4CPU-Stockfish 6 64_bit 4CPU/CCRL 2015/^--^- (76)}) (6. d4 e4
    $11) 6... Be7 7. Nf3 (7. d4 exd4 8. Qxd4 c5 $11) 7... e4 8. Ne5 Nbd7 9. d4 exd3
    10. Nxd7 (10. Qxd3 Nxe5 {Double attack} (10... Nxe5 {Decoy})) (10. Nxd3 dxc4 {
    Deflection} (10... dxc4 {Passed pawn})) (10. Bxd3 Nxe5 {Decoy}) 10... Bxd7 11.
    Qxd3 O-O (11... Be6 12. cxd5 Qxd5 13. Qxd5 Bxd5 14. Nc3 $11) 12. Nc3 c6 13. Rd1
    Be6 14. cxd5 cxd5 (14... Nxd5 $2 15. e4 Rad8 16. exd5 cxd5 17. Be2 $18) 15. Be2
    Rad8 (15... Rac8 16. Qd4 $11) 16. O-O (16. Qd4 Bf5 $14) 16... Qe5 (16... Ng4
    17. Bxg4 Bxg4 18. Rd2 $14) 17. f4 (17. Na4 Qg5 $14) 17... Qc7 (17... Qf5 18.
    Bf3 Qxd3 19. Rxd3 $11) 18. f5 (18. Rc1 Qd6 $14) 18... Bc8 $11 19. Bf3 Bc5 (
    19... d4 20. Na4 dxe3 21. Qxe3 $11) 20. Nxd5 (20. Na4 Be7 $16) 20... Rxd5 $11
    21. Bxd5 Ng4 22. g3 Nxe3 23. Kh1 Nxd5 24. Qxd5 b6 25. Be5 Qa7 26. Rf3 Bb7 27.
    Qd3 $2 (27. Qb3 Re8 28. Re1 $19) 27... Re8 (27... Bxf3+ $6 28. Qxf3 Qe7 29. Bc3
    $11) 28. Bf4 (28. Kg2 Qa8 (28... Bxf3+ $6 29. Kxf3 Qb7+ 30. Qd5 $17) 29. g4 Be4
    $19 (29... Bxf3+ $6 30. Qxf3 Qxf3+ 31. Kxf3 Rxe5 32. Rd8+ Bf8 33. a4 $19))
    28... Qa8 (28... Bxf3+ 29. Qxf3 Qe7 30. a4 $11) 29. Rdf1 Re1 $3 (29... Bxf3+ $6
    30. Qxf3 Bxa3 31. Qxa8 Rxa8 32. Be3 $15) 30. Kg2 (30. Rxe1 Bxf3+ {Mate attack})
    30... Be4 31. Qc4 (31. Qc3 Rxf1 32. Kxf1 Bxf3 33. Qe5 $19) 31... Rxf1 (31...
    Bxf3+ $142 32. Rxf3 Rg1+ 33. Kh3 Qxf3 $19) 32. Qxf1 $17 Bxf5 (32... Bxa3 33. g4
    Bc5 $17 (33... Bxf3+ $6 34. Qxf3 Qxf3+ 35. Kxf3 $17)) 33. a4 $2 (33. Qd1 Bxa3
    34. Be3 Bc5 35. Bxc5 bxc5 $17) 33... h5 (33... Qe4 $142 $5 34. Qd1 Bg4 $19) 34.
    h3 $17 Be4 35. Qd1 f6 36. Bc7 $2 (36. Qb3+ Kh8 37. g4 Qd8 $17 (37... Bxf3+ $6
    38. Qxf3 Qg8 39. Be3 $17)) 36... Qd5 (36... Qb7 37. Bxb6 Bxb6 38. Qb3+ Kh7 $19)
    37. Qxd5+ $17 Bxd5 38. g4 h4 39. Bf4 g5 40. Bd2 (40. Bc7 $142 $5 $17) 40... Kf7
    (40... f5 41. gxf5 g4 42. hxg4 h3+ 43. Kg3 $19) 41. Bc3 0-1
    
    [Event "NED-ch Rotterdam"]
    [Site "?"]
    [Date "2000.??.??"]
    [Round "?"]
    [White "Bosboom, Manuel"]
    [Black "Piket, Jeroen"]
    [Result "0-1"]
    [WhiteElo "2460"]
    [BlackElo "2630"]
    [PlyCount "74"]
    [EventDate "2000.??.??"]
    
    1. b4 d5 2. e3 Nf6 3. Bb2 c6 4. c4 Nbd7 5. Nf3 e6 6. b5 Bd6 7. Nc3 O-O 8. Qc2
    Re8 9. Rc1 a6 10. bxc6 bxc6 11. Be2 e5 12. cxd5 cxd5 13. d3 (13. O-O Rb8 $15)
    13... Rb8 14. O-O Nf8 15. Rb1 (15. Rfd1 Bg4 $15) 15... Bg4 (15... Ne6 16. Nd1
    d4 17. a3 $17) 16. h3 Bd7 17. d4 e4 18. Ne5 (18. Nd2 Rb6 $11) 18... Bxe5 (18...
    Qa5 $5 $15) 19. dxe5 $11 Rxe5 20. Rfd1 (20. Bxa6 $5 Qa5 21. Be2 $11) 20... Rg5
    $15 21. h4 Rg6 22. Nxd5 (22. h5 Rg5 $15) 22... Nxd5 23. Rxd5 Qxh4 24. Rh5 Qe7
    25. Re5 Qb4 (25... Re6 26. Rxe6 Qxe6 27. Qc3 $17) 26. Rxe4 Qb7 {
    Black threatens f5} 27. Bf3 Bf5 28. Qc4 Qb5 (28... Qa7 29. Qc3 $17) 29. Qc3 (
    29. Qc7 Ne6 (29... Bxe4 $143 30. Bxe4 Rh6 31. Qg3 $17) 30. Rxe6 Rxe6 $19 (30...
    fxe6 31. Rd1 Rf8 32. Rd8 $11)) 29... Qc6 (29... Bxe4 $142 30. Bxe4 Rf6 $17) 30.
    Qe5 $4 (30. Qxc6 Rxc6 31. Re8 $19) 30... Rxb2 $1 (30... Bxe4 $6 31. Bxe4 Rxb2
    32. Rxb2 Qc1+ 33. Kh2 $19) 31. Rxb2 (31. Qxb2 {Theme: Deflection from e4} Bxe4)
    31... Qc1+ 32. Kh2 Bxe4 (32... Rh6+ 33. Kg3 Qh1 34. Bh5 Rxh5 35. Kf3 Bg4+ 36.
    Rxg4 Rxe5 37. Rd2 $19) 33. Bxe4 Re6 34. Qb8 (34. Bxh7+ Kxh7 35. Qd4 Rh6+ 36.
    Kg3 Qh1 $19) 34... Rxe4 35. Rb6 (35. Qb7 Rh4+ 36. Kg3 Rh5 $19) 35... Rh4+ (
    35... Qc4 36. Kg1 $19) 36. Kg3 Qh1 (36... Qc4 $142 $5 37. f4 Rh1 38. Rb2 $19)
    37. Kf3 (37. Rb1 Qh2+ 38. Kf3 Qxb8 39. Rxb8 $19) 37... Qd1+ (37... Qd1+ 38. Kg3
    Qg4#) 0-1
    
    [Event "Hafnarfjordur Iceland"]
    [Site "?"]
    [Date "1999.??.??"]
    [Round "?"]
    [White "Bosboom, Manuel"]
    [Black "Westerinen, Heikki MJ"]
    [Result "1-0"]
    [PlyCount "67"]
    [EventDate "1999.??.??"]
    
    1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. Nf3 Nc6 5. Bxf6 Qxf6 (5... gxf6 $143 6. e3
    $14) 6. c3 O-O 7. d4 Ba5 8. e3 d5 9. Be2 Ne7 10. Qa4 Bb6 11. Nbd2 c6 12. O-O
    Bc7 13. Qb3 Rb8 14. c4 Bg4 15. Rfc1 Qh6 16. Nf1 (16. Bd3 Rfe8 $11) 16... dxc4
    $15 17. Qxc4 (17. Rxc4 $143 Be6 18. Qa3 Bxc4 19. Bxc4 Nc8 $17) (17. Bxc4 $143
    Bxf3 18. gxf3 Qf6 $11) 17... Nd5 18. Rab1 Rfe8 19. Rb2 Re6 20. a4 Qh5 21. Ne1 (
    21. Rcb1 Bf5 22. Bd3 Bxd3 23. Qxd3 Nb6 $11) 21... Nb6 $15 22. Qa2 Bxe2 23. Rxe2
    Nxa4 24. d5 Rh6 {Threatening mate: Bxh2} (24... Qxd5 25. Qxd5) 25. Nf3 Rg6 (
    25... Nb6 26. dxc6 Rxc6 27. Rxc6 bxc6 28. Qxa7 $14) 26. Ng3 $11 Bxg3 27. fxg3
    Rg4 (27... b5 28. dxc6 Rc8 29. Qd2 $14) 28. e4 $14 Qh6 29. Rcc2 b5 30. Ne5 (30.
    dxc6 Rg6 31. c7 Rc8 $16) 30... Rg5 31. Nxf7 $1 Kxf7 {Decoy theme: f7} 32. Rf2+
    Ke7 (32... Kg8 33. dxc6+ Kh8 $18) 33. Rxc6 Qh5 (33... Qd6 34. Qd2 h6 $18) 34.
    Qa3+ (34. Qa3+ b4 35. Qxa4 Qd1+ 36. Qxd1 Rf5 37. Qd4 Rf6 38. Rfxf6 gxf6 39.
    Rc7+ Kd8 40. Qc5 b3 41. Qe7#) 1-0
    
    [Event "Wijk aan Zee"]
    [Site "?"]
    [Date "2000.??.??"]
    [Round "?"]
    [White "Bosboom, Manuel"]
    [Black "Van Blitterswijk, Stefan"]
    [Result "1/2-1/2"]
    [WhiteElo "2460"]
    [BlackElo "2305"]
    [PlyCount "83"]
    [EventDate "2000.??.??"]
    
    1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. Nf3 d5 5. c3 Be7 6. Bxf6 Bxf6 (6... gxf6
    $143 7. d4 $14) 7. d4 O-O 8. e3 Bf5 (8... c5 9. dxc5 Qa5 10. Nd4 $11) 9. Bd3
    $11 Qd7 10. O-O Nc6 11. Qc2 Ne7 12. Nbd2 c5 (12... Bxd3 13. Qxd3 Rfe8 14. e4
    $11) 13. Bxf5 Nxf5 (13... Qxf5 14. Qxf5 Nxf5 15. g4 $11) 14. dxc5 Rac8 15. Nd4
    (15. Rad1 Ne7 16. e4 Qg4 $16) 15... Nh4 $11 16. g3 Ng6 17. N2b3 Be7 18. Rad1
    Rfd8 19. e4 dxe4 20. Qxe4 Bxc5 21. Nxc5 Rxc5 22. Ne6 Qxd1 23. Nxc5 Qd2 24. Nxb7
    Rb8 25. c4 Qxa2 26. Rd1 (26. Nd6 Qa5 $14) 26... Qa4 $11 27. Re1 Qb4 28. Rb1 Qe7
    (28... Qf8 29. c5 $14) 29. Qd5 (29. Qxe7 Nxe7 30. Rd1 Nc6 $14) 29... Qe6 (29...
    Qc7 30. Rb5 a6 31. Rb4 $15) 30. Qxe6 $14 fxe6 31. Kf1 (31. c5 Ne5 $11) 31...
    Ne5 $11 32. c5 Kf8 33. Ke2 (33. Rb3 $5 $11) 33... Nc6 $15 34. Ke3 Na5 (34... g5
    35. h3 $11) 35. Rb5 $14 Nc6 36. Ke4 Ke7 37. f4 Kd7 38. Nd6 Rxb5 39. Nxb5 a5 40.
    Na3 Nb4 41. Nc4 Nc6 42. Kd3 1/2-1/2
    
    [Event "Sonnevanck 8th"]
    [Site "?"]
    [Date "1999.??.??"]
    [Round "?"]
    [White "Bosboom, Manuel"]
    [Black "Middelburg, Tom"]
    [Result "1-0"]
    [WhiteElo "2475"]
    [BlackElo "2325"]
    [PlyCount "137"]
    [EventDate "1999.??.??"]
    
    1. b4 e5 2. Bb2 d6 3. c4 Nf6 4. e3 g6 5. d3 Bg7 6. Nf3 O-O 7. Nbd2 Ne8 8. Qb3 (
    8. Be2 e4 9. Bxg7 exf3 10. Bxf8 fxe2 11. Qxe2 Kxf8 $11) 8... a5 9. a3 Be6 (9...
    axb4 10. axb4 Rxa1+ 11. Bxa1 $11) 10. Be2 axb4 11. axb4 Rxa1+ 12. Bxa1 f5 13.
    Bc3 (13. O-O b5 $11) 13... Nd7 (13... g5 14. O-O $11) 14. Qb2 (14. O-O b5 $11)
    14... Nb6 15. Bd1 (15. Qc2 g5 $11) 15... g5 16. h3 (16. h4 g4 17. Ng5 Qe7 $14)
    16... h6 (16... g4 17. hxg4 fxg4 18. Nh2 $11) 17. Bb3 Qe7 18. e4 (18. Qa2 Kh8
    $11) 18... Qf7 (18... Nd7 19. exf5 Bxf5 20. Ne4 $11) 19. O-O (19. c5 Bxb3 20.
    Qxb3 fxe4 21. dxe4 Qxb3 22. Nxb3 Na4 $11) 19... fxe4 20. Nxe4 Qg6 {
    Black prepares the advance g4} (20... Nf6 21. Nfd2 $11) 21. Nfd2 Nd7 22. Re1 (
    22. Ra1 g4 23. hxg4 Qxg4 $11) 22... Nef6 {Black prepares g4} 23. Nxf6+ Nxf6 24.
    d4 (24. c5 Bxb3 25. Qxb3+ Qf7 $11) 24... g4 25. h4 (25. c5 d5 26. hxg4 e4 $11 (
    26... Nxg4 $143 27. f3 Nf6 28. dxe5 $16)) 25... g3 26. f3 Nd7 27. c5 Bxb3 28.
    Qxb3+ (28. Nxb3 $143 Qh5 29. cxd6 cxd6 $17) 28... Kh8 (28... Qf7 29. Qxf7+ Rxf7
    30. dxe5 Nxe5 31. Re3 $11) 29. dxe5 Nxe5 30. Re4 Qf5 (30... Qf7 31. Qxf7 Rxf7
    32. Kf1 $11) 31. cxd6 cxd6 32. Nf1 d5 (32... Kh7 33. Bd4 d5 34. Bxe5 (34. Nxg3
    Nxf3+ 35. Qxf3 Qxf3 36. gxf3 dxe4 37. Bxg7 Kxg7 38. fxe4 Kf6 $19) 34... dxe4
    35. Bxg7 Kxg7 36. Nxg3 $14) 33. Nxg3 $14 Qe6 34. Kh1 (34. Ne2 $142 $14) 34...
    Qg6 $4 (34... Qd6 $142 35. Re2 Qe7 $11) 35. Qxd5 $18 (35. Bxe5 $6 dxe4 36.
    Bxg7+ Qxg7 37. Nxe4 Qa1+ 38. Kh2 Qe1 $14) 35... Nxf3 36. Bxg7+ (36. gxf3 Bxc3)
    36... Qxg7 $16 {Threatening mate: Qa1} 37. gxf3 Qxg3 {
    Do you see the mate threat?} 38. Qd4+ (38. Qxb7 $4 Qxf3+ 39. Kh2 Qf2+ 40. Kh3
    Qf1+ 41. Kg3 Qg1+ 42. Kh3 Rf3#) 38... Qg7 (38... Kh7 39. Re7+ Kg8 40. Qc4+ Kh8
    41. Qc3+ Kg8 42. Qb3+ (42. Rxb7 $6 Qh3+ 43. Kg1 Qg3+ 44. Kh1 Qh3+ 45. Kg1 Qg3+
    46. Kh1 $11) 42... Kh8 43. Qb2+ (43. Rxb7 $2 Qxh4+ 44. Kg2 Rg8+ 45. Qxg8+ Kxg8
    $19) 43... Kg8 44. Qg2 Rxf3 45. Rxb7 $18) 39. Qxg7+ $18 Kxg7 40. Re7+ Kg6 41.
    Kg2 Rf4 (41... Rb8 42. Kg3 $18) 42. Rxb7 Rxh4 43. b5 Rb4 44. b6 Kf5 45. Rb8 (
    45. Kg3 Rb1 $18) 45... Ke5 46. Kg3 Kd5 47. f4 h5 48. Rh8 Rb3+ 49. Kh4 Ke4 50.
    Rb8 (50. Rxh5 $6 Kxf4 51. Rh6 Rb1 52. Rf6+ Ke5 $11) 50... Rb5 (50... Rb4 51. b7
    Kf3 $18) 51. b7 Kf3 52. f5 $1 Kf4 (52... Rxf5 {Decoy theme: f5} 53. Rf8) 53. f6
    (53. Kxh5 Rb1 $18) 53... Rb1 {The mate threat is Rh1} 54. Kxh5 Kf5 55. Kh6 Rh1+
    56. Kg7 Rg1+ 57. Kf8 Rh1 58. Ke7 Re1+ 59. Kd6 Rd1+ 60. Kc5 Rc1+ 61. Kd4 (61.
    Kb5 $5 Rb1+ 62. Ka4 Ke6 $18) 61... Rd1+ (61... Rc7 62. Kd5 Rf7 63. Kc6 Rxf6+
    64. Kc7 Rf7+ 65. Kb6 Rf6+ 66. Ka7 $18) 62. Kc3 (62. Kc4 Rd7 63. Kc5 Rf7 $18)
    62... Rc1+ (62... Rd7 63. Kc4 Rf7 64. Kc5 $18) 63. Kb2 (63. Kb4 Rc7 64. Kb5 Rf7
    $18) 63... Rc7 64. Kb3 Rf7 65. Kc4 Kxf6 66. Kc5 Kg7 67. Kb6 Rf6+ 68. Ka7 Rf1
    69. Rc8 (69. Rc8 Ra1+ 70. Kb8 $18) 1-0
    
    [Event "14th HZ Open, Vlissingen NED"]
    [Site "?"]
    [Date "2010.??.??"]
    [Round "?"]
    [White "Bosboom, Manuel"]
    [Black "Hoolt, S."]
    [Result "1/2-1/2"]
    [WhiteElo "2455"]
    [BlackElo "2245"]
    [PlyCount "69"]
    [EventDate "2010.??.??"]
    
    1. c4 e5 2. a3 g6 3. b4 Bg7 4. Bb2 d6 5. e3 (5. b5 Be6 6. e3 f5 7. a4 Nf6 8.
    Nf3 O-O 9. Be2 c6 10. Nc3 Bf7 11. O-O Qe7 12. d4 e4 13. Ne1 d5 14. c5 Nbd7 15.
    g3 g5 16. Ng2 Bh6 17. Bc1 Qe8 18. h4 Bh5 19. hxg5 Bxg5 {
    blackiwhite (1695)-kramnikgari (1760)/kurnik 2011/1-0 (32)}) 5... Be6 $146 (
    5... Ne7 6. Be2 (6. Nf3 O-O 7. d4 e4 8. Nfd2 f5 9. g3 c5 10. Nb3 b6 11. Ra2 a5
    12. bxa5 bxa5 13. dxc5 a4 14. Nd4 dxc5 15. Nb5 Qxd1+ 16. Kxd1 Nbc6 17. Bxg7
    Kxg7 18. Rd2 Ne5 19. N1c3 Bd7 20. Be2 Rfd8 {
    Hardicsay,P-Dao,T (2495)/Szivarvany rapid 1994/1/2 (35)}) 6... O-O 7. Qc2 Be6
    8. d4 Nf5 9. d5 Bd7 10. Nd2 Nh6 11. h3 f5 12. Ngf3 Qe7 13. c5 a6 14. a4 Rc8 15.
    Bc4 Nf7 16. Nb3 Be8 17. O-O-O Bxa4 18. g4 fxg4 19. hxg4 b5 20. Bd3 {
    Schulz-Haenichen/corr 1988/0-1 (35)}) (5... Nf6 6. Nf3 (6. d4 exd4 7. exd4 O-O
    8. Be2 Re8 9. Nf3 Qe7 10. Nc3 Ne4 11. Nd5 Qd8 12. O-O c6 13. Ne3 Nd7 14. Bd3
    Ndf6 15. Nd2 Bd7 16. h3 Nxd2 17. Qxd2 Nh5 18. d5 Bxb2 19. Qxb2 Nf4 20. Rad1 Qg5
    {FM hpi (2165)-Fredek (2065)/Freundschaftspartie, 5m + 0s 2006/0-1 (45)}) 6...
    O-O 7. Be2 Be6 8. d3 c6 9. Nbd2 Ne8 10. O-O f5 11. Rb1 Nd7 12. Re1 d5 13. cxd5
    cxd5 14. Bf1 e4 15. dxe4 fxe4 16. Bxg7 Nxg7 17. Nd4 Qf6 18. Qe2 Ne5 19. Nxe6
    Nxe6 20. h3 {Fournier,F-mastacampa/900 www.kurnik.com 2009/0-1 (45)}) 6. Nf3
    Nf6 7. d3 a5 8. Nbd2 O-O 9. Be2 Na6 10. Bc3 axb4 11. axb4 h6 12. O-O c6 13. Qc2
    Bf5 (13... b5 14. Rfc1 $11) 14. Qb2 Qe7 15. Nb3 Nd7 16. Na5 Rab8 (16... Nf6 $5
    $14) 17. e4 $16 Bg4 18. Nxc6 $1 bxc6 19. Rxa6 Bxf3 20. Bxf3 (20. gxf3 $143 Qg5+
    21. Kh1 Rfc8 $14) 20... Nc5 21. Rxc6 (21. bxc5 $6 Rxb2 22. Bxb2 dxc5 $15) 21...
    Qd7 22. b5 Qxc6 23. bxc6 Rxb2 24. Bxb2 Rc8 25. Ba3 (25. Rd1 Rxc6 26. Kf1 Rb6
    $16) 25... Rxc6 $14 26. Bxc5 Rxc5 (26... dxc5 27. Ra1 $14) 27. Ra1 $16 Rc7 28.
    Ra8+ Bf8 29. Bg4 Kg7 30. Bc8 Be7 31. g3 Bg5 32. Kg2 Bd2 33. Ba6 Bc3 34. Rd8 Bb4
    35. Rc8 1/2-1/2
    
    [Event "BDO Premier Haarlem NED"]
    [Site "?"]
    [Date "2011.??.??"]
    [Round "?"]
    [White "Bosboom, Manuel"]
    [Black "Haslinger, S."]
    [Result "1/2-1/2"]
    [WhiteElo "2395"]
    [BlackElo "2545"]
    [PlyCount "117"]
    [EventDate "2011.??.??"]
    
    1. Nf3 d5 2. b4 Bg4 3. Ne5 Bf5 4. e3 f6 $146 5. Nf3 (5. Bb5+ c6 6. Bd3 Bxd3 7.
    Nxd3 e5 8. O-O a5 9. bxa5 Rxa5 10. Bb2 Bd6 11. Nc3 b5 $11 {-0.19}) (5. Bd3 Bxd3
    6. Nxd3 c6 (6... e6 7. O-O Bd6 8. Bb2 Nc6 9. b5 Na5 10. Re1 Nc4 11. e4 Nxb2 $11
    {0.22}) (6... Qd7 7. O-O e5 8. Nc3 a5 9. bxa5 Rxa5 10. Bb2 Qc6 11. a3 Nd7 $11 {
    0.03}) (6... e5 7. O-O Na6 8. a3 c5 9. bxc5 Nxc5 10. Nxc5 Bxc5 11. d4 Bd6 $11 {
    0.06}) 7. Nf4 Qd7 8. Qh5+ Kd8 9. d4 e6 10. a3 Bd6 11. O-O e5 $11 {-0.09}) 5...
    e5 (5... e6 6. c3 (6. b5 Nh6 (6... Bd6 7. Ba3 Bxa3 8. Nxa3 Qd6 9. Nb1 Ne7 10.
    c4 O-O 11. d4 c5 $11 {-0.09}) (6... a6 7. Nd4 Nh6 8. Be2 Qd7 9. O-O Bg6 10.
    bxa6 Nxa6 11. d3 e5 $15 {-0.28}) (6... e5 7. Be2 a6 8. O-O axb5 9. Bxb5+ c6 10.
    Be2 Bd6 11. d3 Ne7 $15 {-0.34}) 7. Be2 a6 8. Nd4 Qd7 9. O-O Bg6 10. bxa6 Nxa6
    11. d3 Bd6 $15 {-0.34}) (6. Ba3 Nh6 (6... Bd6 7. b5 Bxa3 8. Nxa3 Qd6 9. Nb1 Ne7
    10. c4 O-O 11. d4 c5 $11 {-0.09}) (6... e5 7. d4 e4 8. Nfd2 Ne7 9. Be2 c6 10.
    O-O b5 11. Bb2 a5 $11 {0.09}) (6... Qd7 7. Be2 e5 8. d4 Nc6 9. b5 Nb4 10. Bxb4
    Bxb4+ 11. c3 Bd6 $11 {-0.13}) 7. d4 Nc6 8. c3 a6 9. Be2 Bd6 10. O-O O-O 11. Nh4
    Be4 $15 {-0.34}) (6. a3 e5 (6... Nh6 7. Be2 a5 8. b5 Bd6 9. O-O Qe7 10. Nc3 O-O
    11. d3 Rd8 $11 {0.12}) (6... a5 7. Nd4 Nh6 8. bxa5 Bd6 9. Nc3 Rxa5 10. Rb1 b6
    11. Bb5+ Kf7 $11 {-0.09}) (6... Bd6 7. c4 a5 8. c5 Be7 9. Nd4 axb4 10. Nxf5
    exf5 11. d4 bxa3 $11 {0.12}) 7. Be2 Bd6 8. O-O a5 9. b5 Ne7 10. d3 Qd7 11. Nc3
    Be6 $11 {-0.16}) 6... a5 (6... e5 7. d3 Bd6 8. Nbd2 Ne7 9. e4 Be6 10. d4 O-O
    11. Bd3 Nd7 $11 {0.03}) (6... Nd7 7. Nd4 Nh6 8. d3 c5 9. bxc5 Nxc5 10. e4 Bg6
    11. Bxh6 gxh6 $11 {0.03}) (6... Bd6 7. Nd4 Nh6 8. d3 Qd7 9. e4 Bg6 10. Bxh6
    gxh6 11. exd5 exd5 $11 {0.12}) 7. b5 e5 8. d4 e4 9. Nfd2 Nd7 10. c4 dxc4 11.
    Bxc4 Nb6 $11 {0.00}) (5... Nh6 6. Be2 (6. d4 e5 (6... e6 7. Bd2 Bd6 8. c4 O-O
    9. c5 Be7 10. Be2 b6 11. Nh4 a5 $11 {0.09}) (6... Nd7 7. a3 e5 8. dxe5 Nxe5 9.
    Nxe5 fxe5 10. Nc3 c6 11. e4 dxe4 $11 {0.12}) 7. dxe5 Bxb4+ 8. c3 Be7 9. c4 fxe5
    10. Qxd5 Nd7 11. e4 c6 $11 {0.00}) (6. a3 e5 (6... a5 7. b5 e5 8. Be2 Be7 9.
    O-O O-O 10. c4 Be6 11. Qc2 c5 $11 {0.06}) (6... e6 7. Be2 a5 8. b5 Bd6 9. O-O
    O-O 10. d4 Nd7 11. c4 dxc4 $11 {0.03}) (6... Nd7 7. Nc3 a5 8. b5 e6 9. Nd4 Nb6
    10. Nxf5 Nxf5 11. Bd3 Qd7 $11 {0.25}) 7. Be2 a5 8. b5 Bd6 9. Nc3 Be6 10. O-O
    O-O 11. d3 Nf7 $15 {-0.28}) (6. Nd4 Bc8 (6... Bg4 7. Be2 Bd7 8. Nc3 e5 9. Nb3
    Be6 10. a3 Nf7 11. O-O Be7 $11 {0.06}) 7. a3 e5 8. Nb3 Bd6 9. Nc3 Be6 10. d4
    Nf5 11. e4 dxe4 $11 {0.00}) 6... e6 (6... e5 7. a3 a5 8. b5 Be7 9. O-O O-O 10.
    c4 Be6 11. Qc2 c5 $11 {0.06}) (6... Qd6 7. a3 e5 8. O-O a5 9. b5 Be7 10. d4 Nd7
    11. c4 dxc4 $11 {0.03}) (6... Nf7 7. O-O e5 8. a3 Be7 9. d4 a5 10. b5 e4 11.
    Nfd2 Qd7 $11 {0.03}) 7. a3 a5 8. b5 Bd6 9. O-O O-O 10. d4 Qe7 11. Nh4 c5 $11 {
    0.03}) 6. c4 (6. b5 Nh6 (6... Ne7 7. Ba3 a6 8. d4 e4 9. Nfd2 Qd7 10. bxa6 Nxa6
    11. c4 dxc4 $11 {-0.06}) (6... Bd6 7. Be2 Ne7 8. O-O O-O 9. a4 c5 10. d3 a6 11.
    Na3 b6 $15 {-0.41}) (6... a6 7. d4 e4 8. Nfd2 Ne7 9. Ba3 Qd7 10. bxa6 Nxa6 11.
    c4 c6 $11 {-0.13}) 7. Be2 a6 8. d4 e4 9. Nfd2 axb5 10. Bxb5+ c6 11. Be2 b5 $15
    {-0.53}) (6. a3 a5 (6... Nd7 7. Be2 Bd6 8. Nc3 a5 9. Nh4 Be6 10. Bg4 Bf7 11.
    Nf5 axb4 $15 {-0.28}) (6... Bd6 7. c4 a5 8. bxa5 Ne7 9. d4 exd4 10. exd4 c6 11.
    c5 Bc7 $11 {0.19}) (6... a6 7. Be2 Bd6 8. O-O Ne7 9. d3 O-O 10. Nbd2 c5 11.
    bxc5 Bxc5 $11 {-0.03}) 7. b5 Bd6 8. Be2 Ne7 9. O-O O-O 10. Nc3 Nd7 11. d3 Be6
    $15 {-0.41}) (6. c3 Bd6 (6... Nd7 7. d3 a5 8. b5 Nh6 9. e4 dxe4 10. Bxh6 exf3
    11. Qxf3 Be6 $11 {-0.16}) (6... a5 7. b5 Bd6 8. d3 Ne7 9. Nbd2 Nd7 10. Qc2 O-O
    11. Be2 Ng6 $15 {-0.28}) (6... Ne7 7. Be2 a5 8. b5 Ng6 9. O-O Bd6 10. c4 dxc4
    11. Bxc4 Nd7 $11 {-0.13}) 7. d3 Ne7 8. Nbd2 a5 9. e4 Be6 10. bxa5 Rxa5 11. d4
    Nbc6 $15 {-0.44}) (6. Ba3 Nd7 (6... Bd6 7. c4 c6 8. c5 Bc7 9. Be2 Ne7 10. O-O
    Nd7 11. Bb2 b6 $15 {-0.28}) (6... Nc6 7. b5 Bxa3 8. Nxa3 Nce7 9. Be2 Qd6 10.
    Nb1 d4 11. O-O O-O-O $11 {-0.22}) (6... Qd7 7. Be2 Nc6 8. c3 e4 9. Nh4 Be6 10.
    b5 Nce7 11. f4 g5 $17 {-0.75}) 7. Nc3 a5 8. Nxd5 Be4 9. Bc4 axb4 10. Bxb4 Bxd5
    11. Bxd5 Bxb4 $17 {-1.03}) 6... c6 (6... Bxb4 7. Qb3 Bd6 8. d4 Nd7 9. c5 Be7
    10. Nc3 Rb8 11. Nxd5 Be4 $14 {0.31}) (6... Nc6 7. a3 e4 8. Nh4 Be6 9. d4 dxc4
    10. Nc3 f5 11. d5 Qxh4 $15 {-0.34}) (6... d4 7. c5 d3 8. Nc3 a5 9. Qb3 Na6 10.
    Ba3 axb4 11. Bxb4 b6 $17 {-1.13}) (6... dxc4 7. Bxc4 Nc6 8. a3 Bxb1 9. Rxb1 e4
    10. Nd4 Nxd4 11. exd4 Qxd4 $11 {0.09}) 7. Qb3 (7. a3 dxc4 8. Bxc4 b5 9. Bxg8
    Rxg8 10. d4 a5 11. bxa5 e4 $11 {-0.19}) 7... Na6 (7... Be4 8. Be2 Qe7 9. a3 a5
    10. bxa5 Rxa5 11. Nc3 dxc4 $11 {0.19}) 8. Ba3 (8. c5 Nc7 9. d4 Bg4 10. dxe5
    Bxf3 11. gxf3 fxe5 $15 {-0.44}) 8... Nc7 (8... Be4 9. Be2 Qe7 10. b5 Nc5 11.
    Bxc5 Qxc5 $11 {0.00}) 9. Nc3 (9. d4 Bg4 10. Bb2 Bxf3 11. gxf3 exd4 $11 {-0.19})
    9... Be6 (9... Bg4 10. cxd5 Bxf3 11. gxf3 cxd5 $11 {-0.13}) 10. Rc1 (10. cxd5
    Nxd5 11. d4 Qd7 $11 {-0.03}) 10... Bd6 (10... b5 11. cxd5 Nxd5 $11 {-0.06}) 11.
    d4 e4 12. Nd2 f5 13. b5 Bxa3 14. Qxa3 Ne7 15. bxc6 bxc6 16. Nb3 O-O 17. cxd5
    cxd5 18. g3 Rf6 19. Be2 Rh6 20. Kd2 Bf7 21. Nc5 f4 (21... Nc8 $142 $5 $11) 22.
    gxf4 $16 (22. exf4 $143 Nf5 23. Nb3 Nd6 $11) 22... Nf5 23. Qa5 Qe7 24. Rb1 Ne8
    25. Rb7 Qh4 26. Rxf7 $1 Kxf7 27. N5xe4 $1 (27. Nxd5 $6 Qxf2 28. Nxe4 Qg2 $14)
    27... Qd8 (27... dxe4 28. Qd5+ {Double attack} (28. Qxf5+ {Pinning}) (28. Qxf5+
    {Deflection}) (28. Qe5 {Decoy}) (28. Qxf5+ {Clearance})) 28. Ng5+ Kg8 29. Qxd5+
    Qxd5 30. Nxd5 Rb8 31. Bc4 Kf8 32. Bb3 a5 33. Kd3 Ne7 34. Nc3 Nc6 35. Nce4 Nb4+
    36. Ke2 Nxa2 37. Nc5 a4 38. Bxa4 (38. Bxa2 $6 Rb2+ 39. Kd3 Rxa2 $14) 38... Rb2+
    39. Kf3 Nc7 40. Nd3 Rd2 41. Ne5 Nc3 42. Rc1 N7d5 43. Bb3 Rxh2 44. Ng4 Rh4 45.
    Ra1 (45. Ne6+ Ke7 46. Nxg7 Kf8 47. Bxd5 Nxd5 $18) 45... h5 $2 (45... Nc7 46.
    Bc4 h6 47. Ra7 hxg5 48. Rxc7 gxf4 49. Kxf4 $18) 46. Ra8+ (46. Ne5 $142 $5 Rh2
    47. Ra8+ Ke7 48. Ra7+ Ke8 $18) 46... Ke7 47. Ra7+ Ke8 48. Ne5 Rh2 49. Ne4 Rh3+
    50. Kg2 Nxe4 51. Bxd5 (51. Kxh3 $142 Nxf2+ 52. Kh4 $18) 51... Rg3+ $11 52. Kh2
    Rxf2+ 53. Kh1 Rf1+ 54. Kh2 Rf2+ 55. Kh1 Rh3+ 56. Kg1 Rg3+ 57. Kh1 Rh3+ 58. Kg1
    Rg3+ 59. Kh1 1/2-1/2
    
    [Event "4th Batavia Grolsch"]
    [Site "?"]
    [Date "2012.??.??"]
    [Round "?"]
    [White "Arkell, Keith C"]
    [Black "Bosboom, Manuel"]
    [Result "1/2-1/2"]
    [WhiteElo "2425"]
    [BlackElo "2390"]
    [PlyCount "61"]
    [EventDate "2012.??.??"]
    
    1. d4 Nf6 2. Nf3 g6 3. b4 Bg7 4. Bb2 d5 5. Nbd2 $146 (5. b5 O-O 6. c4 c6 7. a4
    Bd7 8. e3 e6 9. c5 Ne4 10. Nbd2 f5 11. Bd3 Be8 12. Ne5 Nd7 13. f3 Nxe5 14. dxe5
    Qh4+ 15. g3 Nxg3 16. Nf1 Nxh1+ 17. Kd2 Nf2 18. Qe2 Nxd3 19. Kxd3 Qc4+ {
    chevin-Bennyhill/Live Game Caissa's Web 2004/0-1}) 5... a5 (5... Qd6 $5 $17) 6.
    b5 $15 a4 7. Rb1 c6 8. e3 O-O 9. Bd3 Nbd7 (9... cxb5 $5 10. Ba3 Nc6 $15) 10.
    Ba3 Re8 11. O-O e5 12. Nxe5 Nxe5 13. dxe5 Ng4 14. Nf3 Nxe5 15. bxc6 bxc6 (15...
    Nxd3 $143 16. cxb7 (16. Qxd3 $143 bxc6 17. Qd2 Ba6 $15) (16. cxd3 $6 bxc6 17.
    Bc5 a3 $11) 16... Bxb7 17. Rxb7 $16 (17. Qxd3 Ba6 18. Qd2 Bxf1 19. Rxf1 Qc7 $17
    )) 16. Nxe5 Bxe5 17. Bb2 Bxb2 18. Rxb2 a3 19. Rb1 Be6 20. c3 Qf6 21. Qc2 Reb8
    22. h3 c5 {Black plans d4} 23. Qd2 d4 24. exd4 cxd4 25. c4 Qe5 26. Rb4 Rxb4 27.
    Qxb4 Bf5 28. Bxf5 Qxf5 29. Rd1 Qe5 30. Qd2 Rb8 31. Qxd4 1/2-1/2
    
    [Event "Vlissingen NED, HZ Open"]
    [Site "?"]
    [Date "2013.??.??"]
    [Round "?"]
    [White "Bosboom, Manuel"]
    [Black "Van Hille, Reinout"]
    [Result "1-0"]
    [WhiteElo "2395"]
    [BlackElo "1870"]
    [PlyCount "49"]
    [EventDate "2013.??.??"]
    
    1. b4 e5 2. Bb2 Bxb4 3. f4 $2 (3. Bxe5 $142 $5 Nf6 4. Nc3 $15) 3... exf4 $17 4.
    Bxg7 Qh4+ 5. g3 fxg3 6. Bg2 gxh2+ 7. Kf1 hxg1=Q+ 8. Kxg1 Qg5 9. Bxh8 Nf6 10.
    Bxf6 Qxf6 11. c3 Nc6 12. d4 Bd6 13. Qd3 Bf4 14. Nd2 (14. Rxh7 $142 $5 d5 15. e4
    $14 (15. Bxd5 Qg5+ 16. Bg2 Bf5 $19)) 14... d5 $17 15. e4 (15. Rxh7 $4 Bf5 16.
    Qf3 Nxd4 $19 (16... Bxd2 $6 17. Rf1 Ne7 18. Kh1 $19)) 15... Ne7 (15... Qg6 $5
    $15) 16. Rxh7 $11 Bd7 17. e5 Qg5 18. Rh8+ Ng8 19. Nf3 Qg4 20. Rf1 (20. Kh1 $5
    O-O-O 21. Bh3 $18) 20... O-O-O $14 21. Nh2 Qg5 22. Qf3 Be3+ 23. Kh1 Bb5 $2 (
    23... Nh6 $142 24. Rxd8+ Kxd8 25. Qf6+ Qxf6 26. Rxf6 Bg5 $14) 24. Bh3+ Kb8 25.
    Re1 1-0
    
    [Event "Amsterdam NED, Science Park Open"]
    [Site "?"]
    [Date "2014.??.??"]
    [Round "?"]
    [White "Bosboom, Manuel"]
    [Black "Van Zutphen, Jimmy"]
    [Result "1-0"]
    [WhiteElo "2420"]
    [BlackElo "2165"]
    [PlyCount "143"]
    [EventDate "2014.??.??"]
    
    1. g3 f5 (1... e5 2. Nc3 d5 3. d4 exd4 4. Qxd4 $11) 2. b4 (2. Nf3 Nc6 $14) 2...
    Nf6 3. Bb2 (3. Nf3 e5 $11) 3... e6 4. b5 Be7 5. c4 (5. Nf3 O-O $11) 5... O-O 6.
    Bg2 c6 (6... a6 7. Nc3 d5 8. Nf3 $15) 7. Nc3 $11 d5 8. bxc6 bxc6 9. Nf3 Na6 10.
    O-O Rb8 11. Rb1 Bd6 12. cxd5 cxd5 13. Ba1 Bd7 14. d3 (14. Rxb8 Qxb8 15. d4 Qc7
    $11) 14... Rxb1 $15 15. Qxb1 Qa5 16. Rc1 Rb8 17. Qc2 Rc8 (17... Nb4 18. Qd2 $15
    ) 18. Bb2 e5 19. d4 exd4 (19... e4 20. Ne5 $11) 20. Nxd4 $14 Ne4 21. Nb3 Qb6
    22. Bxe4 dxe4 (22... fxe4 $143 23. Qd2 e3 24. fxe3 $16) 23. Qd2 Be6 24. Nd5
    Rxc1+ 25. Nxc1 Qc6 $2 (25... Qb8 $142 $5 $11) 26. Qg5 $16 Qb7 27. Qd8+ (27.
    Nf6+ $142 $5 Kh8 28. Qh5 $16) 27... Bf8 $11 28. Nf4 (28. Ba3 Qb8 29. Ne7+ Kh8
    $11) 28... Qxb2 (28... Bf7 29. Nb3 $11) 29. Nxe6 Qxc1+ 30. Kg2 Qa3 31. Qd5 (31.
    Qc8 $142 $11) 31... Qd6 $17 32. Qc4 Nb4 33. a3 $4 (33. Nxf8+ $142 Kxf8 34. Qc8+
    Ke7 35. Qxf5 $17) 33... Qd5 (33... Qc6 $142 34. Qb3 Qd5 $19) 34. Qc8 $11 e3+ (
    34... Qd6 $5 $11) 35. f3 $16 Qd6 36. axb4 (36. Qxf8+ $143 Qxf8 37. Nxf8 Nc2 $17
    (37... Kxf8 $143 38. axb4 Kf7 39. b5 $19)) (36. Nxf8 $6 Qa6 37. Qxa6 Nxa6 $16)
    36... Qxb4 37. Ng5 Qb3 $2 (37... g6 $142 $14) 38. Qxf5 $18 g6 (38... Be7 39.
    Qxh7+ Kf8 40. Qf5+ Bf6 41. Nh7+ Ke7 42. Nxf6 gxf6 43. Qc5+ Ke6 44. Qxa7 $18)
    39. Qd7 Bg7 40. Ne6 Bf8 41. f4 a5 (41... Qb4 42. Kf3 a5 43. Ng5 $18) 42. Ng5
    Bg7 (42... Bb4 43. Qxh7+ Kf8 44. Qh6+ Ke7 45. Qg7+ Kd8 46. Qxg6 Qd5+ 47. Kh3
    $18) 43. g4 a4 44. Qe8+ (44. Kh3 a3 45. Qe7 h6 46. Qe8+ Bf8 47. Qxg6+ Bg7 $18)
    44... Bf8 45. Ne6 (45. Kh3 a3 46. Qd7 $18) 45... Qb4 $4 (45... Qb7+ $142 46.
    Kg3 Qf7 $11) 46. Nxf8 $18 Qxf8 47. Qxa4 Qe7 48. Qc4+ Kg7 49. Qd4+ Kg8 50. Qd5+
    {White prepares the advance g5} Kf8 51. g5 Qc7 52. Qd4 Qc6+ 53. Kg3 Qc1 (53...
    Kf7 54. Qh8 $18) 54. Qh8+ Kf7 55. Qxh7+ Kf8 56. Qh8+ (56. Qxg6 $143 Qg1+ 57.
    Kf3 Qf1+ 58. Kxe3 Qg1+ 59. Kd2 Qd4+ 60. Kc2 Qc4+ 61. Kd1 Qa4+ 62. Qc2 Qxf4 63.
    Qc8+ Kg7 64. Qd7+ Kg6 $18) 56... Kf7 (56... Ke7 57. Qf6+ Kd7 $18) 57. Qf6+ Kg8
    58. Qxg6+ Kh8 59. Qf6+ Kg8 60. Qe6+ Kh8 (60... Kg7 61. Kg4 Qd2 62. Qa6 $18) 61.
    Qe5+ Kh7 62. Kg4 Qg1+ (62... Qd2 63. Qc7+ Kg8 64. Qc4+ Kf8 $18) 63. Kf5 Qb1+
    64. Qe4 Qb8 65. Kg4+ Kg8 66. f5 Kh8 67. Qd4+ Kg8 68. g6 Qe8 (68... Qa8 69. Kh5
    Qf8 70. Kg5 Qe7+ 71. f6 Kf8 72. fxe7+ Kxe7 73. Qb6 Kf8 74. Qa7 Kg8 75. h4 Kf8
    76. Qf7#) 69. Kg5 Qf8 (69... Kf8 70. f6 Qb5+ 71. Kh6 Ke8 72. f7+ Ke7 73. f8=Q+
    Kxf8 74. Qd8+ Qe8 75. Qf6+ Kg8 76. Qg7#) 70. Qc4+ Kh8 (70... Kg7 71. Qc7+ Qe7+
    72. f6+ Kg8 73. Qxe7 Kh8 74. Qh7#) 71. Qh4+ Kg7 (71... Qh6+ 72. Kxh6 Kg8 73.
    Qd8#) 72. Qh7# 1-0
    
    [Event "Science Park Open A"]
    [Site "?"]
    [Date "2016.??.??"]
    [Round "?"]
    [White "Roebers, Jan"]
    [Black "Bosboom, Manuel"]
    [Result "0-1"]
    [WhiteElo "2160"]
    [BlackElo "2395"]
    [PlyCount "44"]
    [EventDate "2016.??.??"]
    
    1. e4 c5 2. b4 cxb4 3. a3 d5 4. e5 Nc6 5. d4 Qb6 6. Nf3 Bg4 7. Be3 Bxf3 8. Qxf3
    (8. gxf3 e6 9. axb4 Bxb4+ 10. c3 Be7 11. Bd3 f5 12. Rg1 Kf7 13. Kf1 Rc8 14. c4
    dxc4 15. d5 Qb2 16. Bxf5 exf5 17. e6+ Kf8 18. dxc6 Rd8 19. Nd2 bxc6 20. Qa4 c3
    21. Nc4 Qb5 22. Qxb5 cxb5 {
    Gabetto,F (2135)-Salvador,R (2360)/Lodi op 1st 2005/0-1 (34)}) 8... e6 9. Bd3 (
    9. Qd1 bxa3 10. Bd3 Rc8 11. O-O Na5 12. Nxa3 Bxa3 13. Rxa3 Nc4 14. Rb3 Qc7 15.
    Qg4 g6 16. h4 h5 17. Qg3 a6 18. f4 Nh6 19. f5 Nxf5 20. Bxf5 exf5 21. Bf4 Qe7
    22. Bg5 Qd7 23. Bf6 Rg8 {xhati77 (1930)-culibrk (1825)/kurnik 2014/1-0 (32)})
    9... Nge7 $146 (9... Nxd4 10. Qd1 Bc5 11. axb4 Nxc2+ 12. Qxc2 Bxe3 13. fxe3
    Qxe3+ 14. Qe2 Qc1+ 15. Qd1 Qe3+ 16. Qe2 Qc1+ 17. Qd1 Qb2 18. Nd2 Qxe5+ 19. Kf1
    Ne7 20. Qa4+ Nc6 21. b5 Nb4 22. b6+ Nc6 23. Re1 Qf6+ 24. Nf3 {
    inznorek (1815)-majom77 (1930)/kurnik 2012/1/2-1/2 (62)}) (9... Nxd4 10. Qg4
    Nxc2+ 11. Bxc2 $18) 10. O-O Ng6 11. a4 a6 (11... Nxd4 12. Qd1 Bc5 13. a5 $16)
    12. c4 $2 (12. Qd1 Nf4 $17) 12... bxc3 $4 (12... dxc4 $142 $5 13. Bxc4 Nxd4 14.
    Bxd4 Qxd4 15. Qxb7 Rd8 (15... Qxa1 16. Qxa8+ Kd7 17. Rd1+ Qd4 18. Rxd4+ Kc7 19.
    Qa7+ Kc6 20. Bxa6 Nxe5 21. Bb5#) (15... Qxc4 16. Qxa8+ Ke7 17. Qb7+ Ke8 18. Rd1
    $18) 16. Bxa6 Be7 (16... Nxe5 $2 17. Bb5+ Nd7 18. Ra2 $18) 17. Bb5+ Kf8 $17)
    13. Nxc3 $17 Bb4 (13... Nxd4 14. Qd1 Bc5 15. a5 $14) 14. Ne2 Qd8 15. Ng3 O-O
    16. Rac1 Qh4 17. Rxc6 $2 (17. Rfd1 $142 $15) 17... bxc6 $19 18. Nh5 Be7 (18...
    c5 $142 19. Rb1 Qe7 $19) 19. h3 $2 (19. Rd1 Rfb8 $19) 19... f6 (19... c5 $5 20.
    g4 $19) 20. g3 (20. exf6 Bxf6 21. Nxf6+ Rxf6 $19 (21... gxf6 $6 22. Rc1 $15))
    20... Qxh3 21. Nf4 $2 (21. exf6 Bxf6 22. Bxg6 hxg6 23. Nf4 $19) 21... Nxf4 22.
    Qxf4 g5 (22... g5 23. Qf3 fxe5 $19) 0-1
    
    [Event "20th Hogeschool Zeeland Tournament"]
    [Site "?"]
    [Date "2016.??.??"]
    [Round "?"]
    [White "Go, Benjamin"]
    [Black "Bosboom, Manuel"]
    [Result "0-1"]
    [WhiteElo "2170"]
    [BlackElo "2400"]
    [PlyCount "52"]
    [EventDate "2016.??.??"]
    
    1. e4 c5 2. b4 cxb4 3. a3 d5 4. exd5 Qxd5 5. Nf3 Bg4 6. axb4 Nc6 7. Nc3 Qe6+ 8.
    Qe2 (8. Be2 Bxf3 (8... Nf6 9. O-O g6 10. b5 Nb4 11. Ra4 Nbd5 12. Bc4 Nxc3 13.
    Bxe6 Nxd1 14. Bxg4 Nxg4 15. Rxg4 h5 16. Rc4 Nxf2 17. Rxf2 Bg7 18. Ba3 O-O 19.
    Bxe7 Rfe8 20. Rc7 a6 21. b6 a5 22. Rxb7 a4 23. Rc7 {
    winda8 (1660)-hanussen/kurnik 2013/1-0 (31)}) 9. gxf3 Nf6 10. d4 Nxb4 11. Nb5
    Qd7 12. c3 Nbd5 13. c4 Nc7 14. Rxa7 Rxa7 15. Nxa7 e6 16. Qb3 Qd6 17. Qxb7 Qb4+
    18. Qxb4 Bxb4+ 19. Bd2 Be7 20. Nc6 Kd7 21. Ne5+ Ke8 22. Bd1 Bd6 {
    Bonafede,A (2280)-Negi,P (2595)/Unive Open Hoogeveen NED 2010/1/2-1/2 (48)})
    8... Qd7 9. b5 $146 (9. Qc4 Bxf3 10. gxf3 Nf6 11. Na4 Rc8 12. Nc5 Qf5 13. f4 e5
    14. Bd3 Qh3 15. fxe5 Bxc5 16. Qxc5 Nd7 17. Qd6 Ndxe5 18. b5 Rd8 19. Qc5 Nxd3+
    20. cxd3 Nd4 21. Ba3 Qe6+ 22. Kf1 Qe2+ 23. Kg2 Qf3+ {
    Buervenich,S (2220)-Arakhamia,K (2425)/2nd ch-EUR Women 2001/0-1 (33)}) 9...
    Nd4 10. Qd3 Bxf3 11. gxf3 e5 (11... Nf6 12. Ne4 $11) 12. Rg1 (12. b6 $5 a6 13.
    Nb5 $14) 12... Ne7 $11 13. f4 Ng6 14. Bh3 $2 (14. Ne2 Nxf4 15. Nxf4 exf4 16.
    Kd1 $11) 14... f5 $4 (14... Nxc2+ $142 15. Qxc2 Qxh3 $19) 15. Ne2 $11 Bc5 16.
    Ba3 $4 (16. Bb2 $142 O-O 17. Bxd4 Bxd4 18. Ra4 $11) 16... e4 $19 17. Nxd4 (17.
    Qxe4+ fxe4 18. Bxd7+ Kxd7 19. Bxc5 Nxc2+ 20. Kd1 Nxa1 21. f5 $19) 17... exd3 (
    17... Qxd4 18. Qxd4 Bxd4 19. c3 $16) 18. Bxc5 Qd5 19. Nb3 (19. c3 Nxf4 20. Bxf5
    g6 21. Bxa7 gxf5 $19) 19... Nxf4 20. O-O-O (20. Bf1 Rc8 21. Be3 dxc2 $19) 20...
    Ne2+ 21. Kb2 Rc8 22. cxd3 (22. Bg2 Qe5+ (22... Rxc5 $6 23. Bxd5 Rxd5 24. Rxg7
    Rxb5 25. Ra1 $14) 23. c3 Rxc5 $19) 22... Rxc5 (22... Nxg1 $142 $5 23. Re1+ Kf7
    24. Rxg1 Rxc5 25. Bg2 Qxd3 26. Nxc5 Qd4+ 27. Kb3 Qxc5 28. Bf1 $19) 23. Bg2 Qxd3
    24. Nxc5 Qd4+ 25. Kc2 (25. Ka2 Nxg1 26. Nb3 Qxf2 27. Rc1 $19) 25... Qxc5+ 26.
    Kd3 Nf4# 0-1
    
    [Event "34th Geraardsbergen Open"]
    [Site "?"]
    [Date "2018.??.??"]
    [Round "2"]
    [White "Beukenhorst, E."]
    [Black "Bosboom, M."]
    [Result "0-1"]
    [WhiteElo "1945"]
    [BlackElo "2395"]
    [PlyCount "38"]
    [EventDate "2018.??.??"]
    
    1. e4 c5 2. b4 cxb4 3. d4 d6 4. a3 Nf6 5. Bd3 bxa3 6. Bxa3 Nc6 7. c3 g6 8. f4
    Bh6 9. Bc1 O-O 10. Nf3 d5 11. e5 Ne4 12. O-O f6 $146 (12... f5 13. Ng5 e6 14.
    h4 Bg7 15. Ba3 Re8 16. Nf3 b6 17. Qc2 a5 18. Bb5 Bd7 19. Qb3 Na7 20. Bxd7 Qxd7
    21. c4 dxc4 22. Qxc4 b5 23. Qd3 b4 24. Bb2 Nc6 25. Nbd2 Nxd2 26. Qxd2 a4 27.
    Rfb1 {Starczewska,D (1870)-Wisniowska,K (1960)/Final Mistrzostw Polski
    Juniorek POL 2010/0-1 (33)}) 13. exf6 exf6 14. Qb3 Rf7 15. Re1 Bg4 16. Nfd2 f5
    17. Nf1 Rc8 18. Ne3 Bxf4 19. Nxg4 Qh4 (19... Qh4 20. Rf1 Bxc1 21. Bxe4 dxe4 (
    21... fxe4 $6 22. Rxf7 Kxf7 23. Qxd5+ (23. Qxb7+ $2 Ne7 24. Nf2 e3 $19) 23...
    Kf8 24. Qxe4 $15) (21... Qxg4 $143 22. Bxd5 Rcc7 23. Rxc1 Nxd4 24. Bxf7+ (24.
    cxd4 $2 Qxd4+ 25. Kf1 Rxc1+ 26. Ke2 Qxa1 27. Bxf7+ Kg7 $19) 24... Rxf7 25. cxd4
    Qxd4+ 26. Kh1 Qxa1 27. Rc7 $16) 22. Rxc1 fxg4 $19) (19... fxg4 20. Bxf4 Nf2 21.
    Kxf2 Qh4+ 22. Ke2 Re7+ 23. Be5 Nxe5 24. Be4 $17) 0-1
    
    
    
    
    
    
    

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      Available lines:
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    • 1.b4 e5 2.Bb2 Bb4 3.f4 ef4 4.Bg7 Qh4 5.g3 fg3 6.Bg2 gh2 7.Kf1 hg1Q 8.Kg1 (Kucharkowski-Meybohm gambit, 6 players, 10 days move)
    • 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 (Sokolski gambit, 4 players, 3 days/move)
    • 1.c4 Nf6 2.b4 (English orangutan, 4 players, 3 days/move)
    • 1.e4 c5 2.b4 (Sicilian: Wing gambit, 4 players, 10 days/move)
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