[Event "Extern"] [Site "Lonneker"] [Date "2019.11.24"] [White "Bert Duijker (ASV Arnhem) (1848)"] [Black "Roelof Berkepeis (SVL) (1802)"] [Result "1/2-1/2"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "D11"] [Opening "Slav Defense: Modern Line"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nf3 d5 2. d4 c6 3. c4 { D11 Slav Defense: Modern Line } Nf6 4. Qc2 Bg4 5. Nbd2 Bh5 6. e3 Na6?! { (0.52 → 1.43) Inaccuracy. e6 was best. } (6... e6 7. Bd3 Bb4 8. O-O O-O 9. a3 Bxd2 10. Bxd2 Bg6 11. Ne5 Bxd3 12. Nxd3 dxc4 13. Qxc4) 7. a3 Bg6 8. Bd3?! { (1.26 → 0.68) Inaccuracy. Qb3 was best. } (8. Qb3 Qb6 9. cxd5 Nxd5 10. Qa4 e6 11. e4 Nf6 12. Bd3 Be7 13. O-O O-O 14. b4 Qd8) 8... dxc4?! { (0.68 → 1.79) Inaccuracy. Bxd3 was best. } (8... Bxd3 9. Qxd3 e6 10. O-O Be7 11. b3 O-O 12. Bb2 Nb8 13. e4 dxe4 14. Nxe4 Nbd7 15. Nc3) 9. Nxc4?! { (1.79 → 1.01) Inaccuracy. Bxg6 was best. } (9. Bxg6 hxg6 10. O-O e6 11. Nxc4 Qd5 12. Re1 Qe4 13. Qb3 Rb8 14. Nce5 Rh5 15. h3 Nc5) 9... Bxd3 10. Qxd3 Nc5 11. Qc2 Nce4 12. O-O e6 13. b4 Nd6 14. Na5 Qb6 15. Bb2 Be7 16. Rac1 O-O 17. Ne5 Rfd8 18. Nac4 Nxc4 19. Qxc4 a5 20. Nd3 axb4 21. axb4 Nd5 22. Bc3 Qa6 23. Bd2 Nb6?! { (-0.70 → 0.00) Inaccuracy. Qxc4 was best. } (23... Qxc4 24. Rxc4 Ra2 25. Rd1 Nc7 26. Nc5 Bxc5 27. bxc5 e5 28. Rcc1 exd4 29. exd4 Rxd4 30. Be3) 24. Qxa6 Rxa6 25. Nc5 Ra7 26. Ra1 Rda8 27. Rxa7 Rxa7 28. Rc1 Kf8 29. f4?! { (-0.07 → -0.74) Inaccuracy. e4 was best. } (29. e4 h6 30. Bf4 Nc8 31. Bb8 Bxc5 32. bxc5 Ra4 33. Rd1 Ke7 34. Rb1 b5 35. cxb6 Nxb6) 29... Ke8 30. Kf2 Kd8 31. e4 Kc7 32. Rc2 Nc8 33. Nd3 Nd6 34. Ke3 Nb5 35. g4?! { (-0.64 → -1.22) Inaccuracy. d5 was best. } (35. d5 exd5 36. exd5 Ra3 37. g4 g6 38. dxc6 bxc6 39. g5 f5 40. gxf6 Bxf6 41. Bc1 Rc3) 35... Ra3 36. d5 exd5?! { (-1.41 → -0.61) Inaccuracy. e5 was best. } (36... e5 37. Bc1 exf4+ 38. Kd2 Rb3 39. Rc4 Nd6 40. Rd4 cxd5 41. Kc2 Rc3+ 42. Kxc3 Nb5+ 43. Kd2) 37. exd5 Bf6 38. dxc6 bxc6 39. g5?! { (-0.45 → -1.04) Inaccuracy. Bc1 was best. } (39. Bc1 Rb3 40. Bb2 Bc3 41. h4 f6 42. g5 h5 43. gxf6 gxf6 44. Rg2 Bxb2 45. Rxb2 Rxb2) 39... Bd4+ 40. Ke4?! { (-1.15 → -2.22) Inaccuracy. Ke2 was best. } (40. Ke2 Bb6 41. Rb2 Bg1 42. Ne5 Bd4 43. Rb1 Bxe5 44. fxe5 Kd7 45. Kf2 Ke6 46. Rc1 Nd4) 40... Bg1 41. Nc5 f5+?? { (-2.29 → 0.00) Blunder. Nd6+ was best. } (41... Nd6+ 42. Ke5 Ra8 43. f5 Bxh2+ 44. Bf4 Re8+ 45. Ne6+ fxe6 46. Bxh2 exf5+ 47. Kf4 Kb6 48. Bg1+) 42. gxf6?! { (0.00 → -1.02) Inaccuracy. Ke5 was best. } (42. Ke5 g6) 42... Nd6+? { (-1.02 → 0.19) Mistake. gxf6 was best. } (42... gxf6) 43. Ke5 gxf6+ 44. Kxf6 Bxh2 45. Bc1 Rh3 46. Ne6+ Kb6 47. Nd4 Rc3 48. Rxc3 Ne4+ 49. Kg7? { (1.46 → 0.13) Mistake. Ke6 was best. } (49. Ke6 Nxc3) 49... Nxc3 50. Kxh7 Nd5 51. f5 Be5 52. Nf3 Bc3 53. Bd2 Bxd2 54. Nxd2 Kb5 55. Kg7 Kxb4 56. f6 Nxf6 { The game is a draw. } 1/2-1/2