[Event "Internecompetitie Gr II"] [Site "Overvecht"] [Date "1976.09.21"] [Round "2"] [White "Gerard Wittebol"] [Black "Dhr. Korenhof (sr)"] [Result "1-0"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "D31"] [Opening "Queen's Gambit Declined: Queen's Knight Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. c4 e6 3. Nc3 { D31 Queen's Gambit Declined: Queen's Knight Variation } Bb4 4. Nf3 dxc4 5. Qa4+ Nc6 6. e4 Bxc3+?! { (-0.05 → 0.85) Inaccuracy. Bd7 was best. } (6... Bd7 7. Qc2 b5 8. Be2 a6 9. O-O Nf6 10. a4 Na5 11. e5 Nd5 12. Bg5 f6 13. exf6 gxf6 14. Nxd5) 7. bxc3 Bd7 8. Qc2?! { (1.04 → 0.39) Inaccuracy. Qxc4 was best. } (8. Qxc4 b6 9. Bd3 Nge7 10. Rb1 O-O 11. O-O Na5 12. Qb4 Re8 13. Qb2 c5 14. Be3 c4 15. Bc2 Ng6) 8... b5 9. a4 a6 10. axb5 axb5 11. Qb2?! { (0.09 → -0.56) Inaccuracy. Ba3 was best. } (11. Ba3 Ra4 12. Be2 Nf6 13. O-O Qa8 14. Bb2 Na5 15. Nd2 O-O 16. f3 Rb8 17. Rxa4 bxa4 18. Ba3 Qa6) 11... Na5 12. Qa2?! { (-0.42 → -1.43) Inaccuracy. Be2 was best. } (12. Be2 Nb3 13. Rxa8 Qxa8 14. O-O Nf6 15. Ne5 Nxe4 16. Bh5 g6 17. Bf3 f6 18. Nxd7 Kxd7 19. Re1 f5) 12... c6? { (-1.43 → -0.06) Mistake. Bc6 was best. } (12... Bc6 13. Qe2 Nb3 14. Rb1 Nxc1 15. Rxc1 Nf6 16. d5 Bb7 17. Qb2 O-O 18. e5 Nxd5 19. Qxb5 Ba6 20. Qc6) 13. Be2 h6 14. O-O Nf6 15. Nd2 O-O 16. Ba3 Re8 17. Qc2?! { (0.07 → -0.81) Inaccuracy. e5 was best. } (17. e5 Nd5 18. Qb2 Nf4 19. Bf3 Bc8 20. Bb4 Bd7 21. Be4 Nb7 22. Rxa8 Qxa8 23. Ra1 Qc8 24. g3 Nd3) 17... Qc8?! { (-0.81 → 0.24) Inaccuracy. e5 was best. } (17... e5 18. dxe5 Rxe5 19. Rfd1 Qc7 20. g3 c5 21. Bf3 Bc6 22. Bg2 Qb6 23. Bb2 Ree8 24. f3 Qb7 25. h4) 18. e5 Nd5 19. Ne4?! { (0.25 → -0.63) Inaccuracy. Rfb1 was best. } (19. Rfb1 Ra7 20. Bc5 Ra8 21. Bd6 Qd8 22. Ba3 Qg5 23. Bf3 Nf4 24. Be4 Red8 25. g3 Kh8 26. Bd6 Nh3+) 19... Nb7? { (-0.63 → 0.58) Mistake. Nb3 was best. } (19... Nb3 20. Ra2 Qa6 21. Rd1 b4 22. cxb4 Nxb4 23. Bxb4 Qxa2 24. Qxc4 Reb8 25. Bd6 Rb7 26. Bf3 Qa5 27. h3) 20. Bb2?! { (0.58 → -0.09) Inaccuracy. Bh5 was best. } (20. Bh5 Qc7 21. Nf6+ Nxf6 22. exf6 Qf4 23. fxg7 Kxg7 24. Qe2 Na5 25. g3 Qf5 26. Bd6 Nb3 27. Rad1 Kg8) 20... Nf4 21. Rxa8 Qxa8 22. Bc1 Nxe2+?? { (0.00 → 2.88) Blunder. Nd5 was best. } (22... Nd5 23. Bh5 Qd8 24. Qe2 Qe7 25. Qa2 Qh4 26. Bf3 Qd8 27. Qe2 Qe7 28. Qa2 Qd8) 23. Qxe2 Re7?? { (2.81 → 6.87) Blunder. Kf8 was best. } (23... Kf8 24. Qh5 Rc8 25. Bxh6 gxh6 26. Qxh6+ Ke8 27. Qh8+ Ke7 28. Qh4+ Kf8 29. Nf6 Qa3 30. Nxd7+ Ke8 31. Nf6+) 24. Qg4?? { (6.87 → 2.68) Blunder. Bxh6 was best. } (24. Bxh6 gxh6 25. Nf6+ Kg7 26. Qg4+ Kh8 27. Qe4 Qg8 28. Nxg8 Kxg8 29. Ra1 Re8 30. Ra7 Rb8 31. Qg4+ Kh7) 24... Kf8?? { (2.68 → 9.88) Blunder. Kh8 was best. } (24... Kh8 25. Bg5 Qf8 26. Bxe7 Qxe7 27. Ra1 Qf8 28. Qf3 Kg8 29. Ng3 Qc8 30. Nh5 c5 31. Qg4 g6 32. d5) 25. Bxh6 gxh6?! { (10.76 → Mate in 4) Checkmate is now unavoidable. f5 was best. } (25... f5 26. exf6 gxh6 27. fxe7+ Kxe7 28. Qh4+ Ke8 29. Nf6+ Kf7 30. Nxd7 Ke8 31. Nf6+ Kf7 32. Ng4 Nd8 33. Qf6+) 26. Nf6 Re8 27. Nh7+ Ke7 28. Qh4+ { Black resigns. } 1-0