[Event "Serpukhov-A"] [Site "Serpukhov"] [Date "2003.??.??"] [Round "8"] [White "Sitnikov, Anton"] [Black "Dyachkov, Sergej"] [Result "1-0"] [GameId "yefbGgzu"] [WhiteElo "2353"] [BlackElo "2545"] [Variant "Standard"] [TimeControl "-"] [ECO "A00"] [Opening "Polish Opening: German Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. b4 { [%eval 0.0] } 1... d5 { [%eval -0.2] } 2. Bb2 { [%eval -0.21] } 2... Qd6 { [%eval 0.18] } { A00 Polish Opening: German Defense } 3. a3 { [%eval 0.08] } 3... e5 { [%eval 0.21] } 4. Nf3?! { (0.21 → -0.49) Inaccuracy. e3 was best. } { [%eval -0.49] } (4. e3 a5 5. b5 Nf6 6. d4 exd4 7. Bxd4 Be7 8. Nf3 O-O) 4... f6?! { (-0.49 → 0.39) Inaccuracy. e4 was best. } { [%eval 0.39] } (4... e4 5. Nd4 a5 6. bxa5 Nf6 7. e3 Be7 8. c4 dxc4 9. Bxc4) 5. e3 { [%eval 0.31] } 5... Nh6?! { (0.31 → 1.07) Inaccuracy. Be6 was best. } { [%eval 1.07] } (5... Be6 6. c4) 6. c4 { [%eval 1.15] } 6... c6 { [%eval 0.96] } 7. Nc3 { [%eval 1.05] } 7... Be6 { [%eval 1.16] } 8. d4 { [%eval 1.13] } 8... e4 { [%eval 1.0] } 9. Nd2 { [%eval 0.95] } 9... f5 { [%eval 1.04] } 10. Qc2 { [%eval 0.79] } 10... a6 { [%eval 0.49] } 11. Na4 { [%eval 0.47] } 11... b5 { [%eval 0.65] } 12. cxd5 { [%eval 0.76] } 12... cxd5 { [%eval 0.56] } 13. Nc5 { [%eval 0.64] } 13... Be7 { [%eval 0.88] } 14. a4 { [%eval 0.81] } 14... bxa4 { [%eval 1.03] } 15. Qxa4+ { [%eval 0.73] } 15... Bd7? { (0.73 → 2.15) Mistake. Nd7 was best. } { [%eval 2.15] } (15... Nd7 16. Qb3 O-O 17. g3 g5 18. Rxa6 Rxa6 19. Nxa6 Kh8 20. Nc5 Nb6 21. Bh3 Bc8 22. O-O) 16. Qb3 { [%eval 1.75] } 16... Bc6 { [%eval 1.78] } 17. Be2 { [%eval 2.01] } 17... O-O { [%eval 1.8] } 18. O-O { [%eval 1.81] } 18... Kh8 { [%eval 2.07] } 19. f4 { [%eval 1.82] } 19... g5? { (1.82 → 3.85) Mistake. Ng4 was best. } { [%eval 3.85] } (19... Ng4 20. Rfc1 Bh4 21. g3 Be7 22. Nf1 Nf6 23. Ra2 Ne8 24. Nxa6 Nxa6 25. Rxa6 Rxa6 26. Bxa6) 20. Rf2?? { (3.85 → 1.51) Blunder. Nc4 was best. } { [%eval 1.51] } (20. Nc4 dxc4 21. d5+ Bf6 22. Bxc4 Be8 23. Nb7 Qc7 24. fxg5 Qxb7 25. gxh6 Qe7 26. d6 Qxd6) 20... g4? { (1.51 → 2.80) Mistake. gxf4 was best. } { [%eval 2.8] } (20... gxf4 21. exf4) 21. Rff1 { [%eval 2.74] } 21... Rf7 { [%eval 3.24] } 22. Bc3 { [%eval 2.92] } 22... g3 { [%eval 3.06] } 23. h3 { [%eval 3.06] } 23... Rg7 { [%eval 3.27] } 24. Rfb1 { [%eval 3.03] } 24... Bd8 { [%eval 3.33] } 25. Nxa6 { [%eval 3.48] } 25... Nxa6 { [%eval 3.41] } 26. Rxa6 { [%eval 3.38] } 26... Rxa6 { [%eval 3.22] } 27. Bxa6 { [%eval 3.03] } 27... Bb6 { [%eval 3.5] } 28. Nf1 { [%eval 3.29] } 28... Ra7? { (3.29 → 5.23) Mistake. Ng8 was best. } { [%eval 5.23] } (28... Ng8) 29. Be2?! { (5.23 → 3.40) Inaccuracy. b5 was best. } { [%eval 3.4] } (29. b5) 29... Ng8?! { (3.40 → 4.53) Inaccuracy. Rg7 was best. } { [%eval 4.53] } (29... Rg7 30. b5 Bb7 31. Qb4 Nf7 32. Qxd6 Nxd6 33. Be1 Kg8 34. Nxg3 Kf7 35. Kf2 Bd8 36. Nh5) 30. b5 { [%eval 4.25] } 30... Bb7 { [%eval 4.75] } 31. Nxg3 { [%eval 4.43] } 31... Qg6 { [%eval 4.6] } 32. Kh2 { [%eval 4.41] } 32... Ra8 { [%eval 4.35] } 33. Nh5 { [%eval 4.22] } 33... Nf6 { [%eval 4.7] } 34. Nxf6 { [%eval 4.65] } 34... Qxf6 { [%eval 4.66] } 35. Rg1 { [%eval 4.55] } 35... Bc7 { [%eval 4.66] } 36. g3 { [%eval 3.83] } 36... Rg8 { [%eval 4.78] } 37. Bb4 { [%eval 4.57] } 37... Bb6 { [%eval 4.68] } 38. Qc3 { [%eval 4.64] } 38... Rc8 { [%eval 4.74] } 39. Qd2 { [%eval 4.63] } 39... Ra8 { [%eval 4.55] } 40. Bc5 { [%eval 4.52] } 40... Bxc5? { (4.52 → 7.53) Mistake. Bc7 was best. } { [%eval 7.53] } (40... Bc7 41. Qb2 Rg8 42. b6 Bb8 43. Qb5 Qf7 44. Qb4 Qf6 45. Be7 Qh6 46. Rc1 Qe6 47. Bf8) 41. dxc5 { [%eval 6.85] } 41... Ra4 { [%eval 12.37] } 42. c6 { [%eval 11.72] } 42... Bc8 { [%eval 14.82] } 43. b6 { [%eval 13.51] } 43... Qxc6 { [%eval 19.73] } 44. Rc1 { [%eval 17.71] } 44... Ra2?! { (17.71 → Mate in 10) Checkmate is now unavoidable. Qb7 was best. } { [%eval #10] } (44... Qb7 45. Rc7 d4 46. Rxb7 Bxb7 47. Bb5 Kg8 48. Bxa4 d3 49. Qc3 Ba6 50. Bb3+ Kf8 51. b7) 45. Qd4+ { [%eval #9] } { Black resigns. } 1-0