[Event "NED-ch51 sf"] [Site "Enschede"] [Date "1995.11.09"] [Round "6"] [White "Knoppert, Erik GJ"] [Black "Riemersma, Liafbern"] [Result "0-1"] [GameId "olPWYoq1"] [WhiteElo "2400"] [BlackElo "2415"] [Variant "Standard"] [TimeControl "-"] [ECO "D00"] [Opening "Queen's Pawn Game: Mason Attack"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 { [%eval 0.25] } 1... d5 { [%eval 0.25] } 2. f4?! { (0.25 → -0.57) Inaccuracy. c4 was best. } { [%eval -0.57] } { D00 Queen's Pawn Game: Mason Attack } (2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Bd6) 2... Nf6 { [%eval -0.37] } 3. e3 { [%eval -0.42] } 3... Bf5 { [%eval -0.45] } 4. Nf3 { [%eval -0.44] } 4... e6 { [%eval -0.5] } 5. Bd3 { [%eval -0.53] } 5... c5 { [%eval -0.5] } 6. O-O { [%eval -0.61] } 6... Nc6 { [%eval -0.71] } 7. c3 { [%eval -0.79] } 7... Be7 { [%eval -0.95] } 8. Ne5 { [%eval -0.94] } 8... O-O { [%eval -1.02] } 9. h3 { [%eval -1.17] } 9... Bxd3 { [%eval -0.91] } 10. Qxd3 { [%eval -0.79] } 10... Ne4 { [%eval -0.81] } 11. Nd2 { [%eval -0.51] } 11... f5 { [%eval -0.35] } 12. Nxc6 { [%eval -0.58] } 12... bxc6 { [%eval -0.37] } 13. Nxe4 { [%eval -0.52] } 13... fxe4 { [%eval -0.38] } 14. Qe2 { [%eval -0.38] } 14... a5 { [%eval -0.41] } 15. Bd2 { [%eval -0.36] } 15... Qd7 { [%eval -0.34] } 16. Rad1 { [%eval -0.51] } 16... Rab8 { [%eval -0.46] } 17. Bc1?! { (-0.46 → -1.31) Inaccuracy. Rb1 was best. } { [%eval -1.31] } (17. Rb1 a4) 17... a4 { [%eval -0.99] } 18. a3 { [%eval -1.38] } 18... Bd6 { [%eval -1.23] } 19. Kh1 { [%eval -1.35] } 19... Rf6?! { (-1.35 → -0.45) Inaccuracy. c4 was best. } { [%eval -0.45] } (19... c4 20. h4 h6 21. h5 Qe8 22. Rg1 Rb3 23. g3 Qe7 24. Kg2 Kh8 25. Rgf1 Rf6 26. Qg4) 20. g4?! { (-0.45 → -1.49) Inaccuracy. dxc5 was best. } { [%eval -1.49] } (20. dxc5) 20... Qb7 { [%eval -1.38] } 21. Rf2 { [%eval -1.66] } 21... Rbf8 { [%eval -1.29] } 22. Rdf1 { [%eval -1.3] } 22... cxd4 { [%eval -1.25] } 23. exd4?! { (-1.25 → -1.90) Inaccuracy. cxd4 was best. } { [%eval -1.9] } (23. cxd4 c5 24. dxc5 Bxc5 25. Kg2 R6f7 26. Qd1 Qb6 27. Re2 Qb5 28. Rc2 Bd6 29. h4 g6) 23... Qc7 { [%eval -1.84] } 24. Qe3 { [%eval -2.0] } 24... c5 { [%eval -2.03] } 25. Bd2? { (-2.03 → -3.84) Mistake. g5 was best. } { [%eval -3.84] } (25. g5 R6f7) 25... Rb8 { [%eval -3.35] } 26. Be1?! { (-3.35 → -4.72) Inaccuracy. g5 was best. } { [%eval -4.72] } (26. g5 Rff8) 26... Rb3?! { (-4.72 → -3.57) Inaccuracy. cxd4 was best. } { [%eval -3.57] } (26... cxd4 27. cxd4 Rb3 28. Bc3 Bxa3 29. Qc1 Bd6 30. g5 Rf5 31. Bd2 Rxh3+ 32. Kg1 Rd3 33. Be3) 27. f5 { [%eval -3.52] } 27... cxd4 { [%eval -3.39] } 28. Qxd4 { [%eval -2.84] } 28... Bc5 { [%eval -2.91] } 29. Qxa4 { [%eval -3.24] } 29... Bxf2 { [%eval -3.11] } 30. Bxf2?! { (-3.11 → -4.84) Inaccuracy. Qe8+ was best. } { [%eval -4.84] } (30. Qe8+ Rf8) 30... Rb8?! { (-4.84 → -3.85) Inaccuracy. Rxb2 was best. } { [%eval -3.85] } (30... Rxb2) 31. Qd4?! { (-3.85 → -4.97) Inaccuracy. Qa7 was best. } { [%eval -4.97] } (31. Qa7) 31... Rxb2 { [%eval -5.69] } 32. c4? { (-5.69 → -14.43) Mistake. Kg1 was best. } { [%eval -14.43] } (32. Kg1 Rc2) 32... Rb3 { [%eval -12.9] } 33. Kg2 { [%eval -11.26] } 33... Qxc4? { (-11.26 → -5.38) Mistake. Rxh3 was best. } { [%eval -5.38] } (33... Rxh3) 34. Qa7?! { (-5.38 → -10.26) Inaccuracy. Qxc4 was best. } { [%eval -10.26] } (34. Qxc4 dxc4) 34... Qd3 { [%eval -9.85] } 35. Rc1? { (-9.85 → Mate in 15) Checkmate is now unavoidable. Qe3 was best. } { [%eval #-15] } (35. Qe3 Qxe3 36. Bxe3 Rxe3 37. fxe6 Rxf1 38. Kxf1 Rxh3 39. a4 Ra3 40. g5 Rxa4 41. Kf2 d4) 35... Qxh3+ { [%eval #-15] } 36. Kg1 { [%eval #-16] } 36... Qxg4+ { [%eval #-21] } 37. Kf1 { [%eval -85.69] } 37... Qxf5 { [%eval -64.68] } 38. Rc7?! { (-64.68 → Mate in 5) Checkmate is now unavoidable. Ke1 was best. } { [%eval #-5] } (38. Ke1 Rf8) 38... Rb1+ { [%eval #-4] } 39. Ke2 { [%eval #-2] } 39... Qf3+ { [%eval #-1] } { White resigns. } 0-1