[Event "Niedzielny Turniej Sigma Szach"] [Site "https://lichess.org/4qAPXN7C"] [Date "2025.12.21"] [Round "-"] [White "Ivan201524"] [Black "DaMianbartKowiak"] [Result "1-0"] [GameId "4qAPXN7C"] [UTCDate "2025.12.21"] [UTCTime "18:39:50"] [WhiteElo "1676"] [BlackElo "1988"] [WhiteRatingDiff "+24"] [BlackRatingDiff "-117"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A85"] [Opening "Dutch Defense: Queen's Knight Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 { [%eval 0.17] } 1... f5 { [%eval 0.47] } 2. c4 { [%eval 0.45] } 2... Nf6 { [%eval 0.46] } 3. Nc3 { [%eval 0.39] } { A85 Dutch Defense: Queen's Knight Variation } 3... e6 { [%eval 0.52] } 4. Nf3 { [%eval 0.3] } 4... c6 { [%eval 0.67] } 5. Bg5 { [%eval 0.56] } 5... d5 { [%eval 0.8] } 6. e3 { [%eval 0.73] } 6... Bd6 { [%eval 0.9] } 7. c5 { [%eval 0.43] } 7... Bc7 { [%eval 0.49] } 8. Ne5 { [%eval 0.37] } 8... Nbd7 { [%eval 0.52] } 9. f4 { [%eval 0.53] } 9... O-O { [%eval 0.56] } 10. Be2 { [%eval 0.61] } 10... Qe8 { [%eval 0.8] } 11. Qc2?! { (0.80 → 0.25) Inaccuracy. O-O was best. } { [%eval 0.25] } (11. O-O Ba5 12. Bxf6 Nxf6 13. Rb1 Bc7 14. b4 a6 15. a4 Bd7 16. b5 axb5) 11... Nxe5 { [%eval 0.12] } 12. fxe5 { [%eval 0.14] } 12... Ng4?! { (0.14 → 1.19) Inaccuracy. Ne4 was best. } { [%eval 1.19] } (12... Ne4) 13. h3 { [%eval 1.29] } 13... Qh5?? { (1.29 → 3.94) Blunder. Bd8 was best. } { [%eval 3.94] } (13... Bd8) 14. Be7?? { (3.94 → -0.58) Blunder. Bf4 was best. } { [%eval -0.58] } (14. Bf4 g5 15. O-O-O gxf4 16. hxg4 Qe8 17. exf4 Rf7 18. Rh6 Rg7 19. gxf5 exf5) 14... Rf7?? { (-0.58 → 1.24) Blunder. Nxe3 was best. } { [%eval 1.24] } (14... Nxe3 15. Qc1 Qh6 16. Bxf8 Qh4+ 17. g3 Qxg3+ 18. Kd2 Kxf8 19. Qg1 Ng2 20. Rh2) 15. Bd6? { (1.24 → -0.39) Mistake. Kd2 was best. } { [%eval -0.39] } (15. Kd2 Rxe7) 15... Qh4+ { [%eval -0.27] } 16. Kd2 { [%eval -0.45] } 16... Nf2 { [%eval -0.3] } 17. Rhg1? { (-0.30 → -1.49) Mistake. Rhf1 was best. } { [%eval -1.49] } (17. Rhf1 f4) 17... Ba5 { [%eval -1.23] } 18. Raf1 { [%eval -1.09] } 18... f4 { [%eval -1.06] } 19. Kc1 { [%eval -1.07] } 19... fxe3 { [%eval -1.15] } 20. g3 { [%eval -1.05] } 20... Qxd4?? { (-1.05 → 2.06) Blunder. Qxh3 was best. } { [%eval 2.06] } (20... Qxh3 21. Nd1 Bd7 22. Nxf2 Rxf2 23. Rh1 Bd2+ 24. Kb1 Rxf1+ 25. Rxf1 Qxg3 26. Bd3) 21. Nd1?? { (2.06 → -2.66) Blunder. Rd1 was best. } { [%eval -2.66] } (21. Rd1) 21... Qd2+ { [%eval -2.13] } 22. Qxd2 { [%eval -2.17] } 22... Bxd2+ { [%eval -2.11] } 23. Kc2 { [%eval -2.03] } 23... Nxd1?? { (-2.03 → -0.21) Blunder. b6 was best. } { [%eval -0.21] } (23... b6 24. h4 Bd7 25. Nxf2 exf2 26. Rg2 Be1 27. h5 h6 28. a3 Rf5 29. b4) 24. Bxd1?? { (-0.21 → -1.96) Blunder. Rxf7 was best. } { [%eval -1.96] } (24. Rxf7 Kxf7 25. Rxd1 Bd7 26. Rf1+ Kg8 27. h4 b6 28. a3 bxc5 29. Bxc5 g6) 24... Rxf1? { (-1.96 → -0.34) Mistake. Rf2 was best. } { [%eval -0.34] } (24... Rf2 25. Rh1 Be1+ 26. Be2 Bb4 27. Rxf2 exf2 28. Rf1 Be1 29. h4 b5 30. Kd3) 25. Rxf1 { [%eval -0.34] } 25... Bd7 { [%eval -0.3] } 26. Bh5 { [%eval -0.69] } 26... g6 { [%eval -0.71] } 27. Bg4 { [%eval -1.0] } 27... b6 { [%eval -0.91] } 28. cxb6?? { (-0.91 → -3.26) Blunder. a3 was best. } { [%eval -3.26] } (28. a3 bxc5) 28... axb6 { [%eval -3.14] } 29. h4 { [%eval -3.23] } 29... c5 { [%eval -3.07] } 30. h5?! { (-3.07 → -3.98) Inaccuracy. Be2 was best. } { [%eval -3.98] } (30. Be2 c4 31. Rf4 b5 32. a3 b4 33. Bxb4 Ba4+ 34. Kb1 Bxb4 35. axb4 Rd8) 30... Kg7?! { (-3.98 → -2.93) Inaccuracy. gxh5 was best. } { [%eval -2.93] } (30... gxh5 31. Be2 Ba4+ 32. b3 Be8 33. Rf8+ Kg7 34. Kb2 Be1 35. a4 Bxg3 36. Rf1) 31. Be7 { [%eval -3.36] } 31... Rxa2? { (-3.36 → -1.77) Mistake. gxh5 was best. } { [%eval -1.77] } (31... gxh5 32. Bxh5 Ba4+ 33. b3 Be8 34. Bxe8 Rxe8 35. Bf6+ Kg6 36. Kd3 Ra8 37. Rf4) 32. Bf6+ { [%eval -2.21] } 32... Kh6 { [%eval -2.1] } 33. Be2 { [%eval -1.87] } 33... Ra4?? { (-1.87 → -0.10) Blunder. c4 was best. } { [%eval -0.1] } (33... c4 34. Kb1) 34. g4?? { (-0.10 → -2.79) Blunder. b3 was best. } { [%eval -2.79] } (34. b3) 34... Rb4?? { (-2.79 → Mate in 1) Checkmate is now unavoidable. Rc4+ was best. } { [%eval #1] } (34... Rc4+ 35. Kb3 gxh5 36. g5+ Kg6 37. Be7 Ba4+ 38. Ka2 Bc2 39. Rf6+ Kxg5 40. b3) 35. g5# { White wins by checkmate. } 1-0