Event: Rubinstein Chess Festival 2025 - OPEN B
Site: https://lichess.org/broadcast/rubinstein-chess-festival-2025-open-b/round-5/gniICRC2/HInJvz8P
White: Koch, Maciej
WhiteElo: 1767
Black: Koszalka, Filip
BlackElo: 1858
Result: 0-1
ECO: B31
Opening: Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] } 1... c5 { [%eval 0.24] } 2. Nf3 { [%eval 0.2] } 2... Nc6 { [%eval 0.3] } 3. Bb5 { [%eval 0.17] } 3... g6 { [%eval 0.24] } 4. Bxc6 { [%eval 0.27] } 4... dxc6 { [%eval 0.5] } 5. O-O { [%eval 0.35] } 5... Bg7 { [%eval 0.32] } 6. Re1 { [%eval 0.27] } 6... e5 { [%eval 0.34] } 7. d3 { [%eval 0.27] } 7... Ne7 { [%eval 0.45] } 8. Be3 { [%eval 0.22] } 8... b6 { [%eval 0.35] } 9. Nbd2 { [%eval 0.31] } 9... Qc7 { [%eval 0.46] } 10. Nf1 { [%eval 0.09] } 10... h6 { [%eval 0.07] } 11. Bd2 { [%eval -0.06] } 11... Bg4 { [%eval 0.31] } 12. Bc3 { [%eval 0.02] } 12... O-O { [%eval 0.34] } 13. Ne3 { [%eval 0.26] } 13... Be6 { [%eval 0.31] } 14. Qc1 { [%eval 0.03] } 14... Rad8 { [%eval 0.22] } 15. b3 { [%eval 0.19] } 15... f6 { [%eval 0.25] } 16. a4 { [%eval 0.19] } 16... a5 { [%eval 0.25] } 17. Qd2 { [%eval 0.22] } 17... h5 { [%eval 0.38] } 18. Nc4 { [%eval 0.4] } 18... Kh7?? { [%eval 2.53] } { Blunder. Nc8 was best. } 19. Bxe5 { [%eval 2.53] } 19... Qb7?! { [%eval 3.29] } { Inaccuracy. Qd7 was best. } 20. Qc3?? { [%eval -0.86] } { Blunder. Bxf6 was best. } 20... Bxc4 { [%eval -0.88] } 21. bxc4 { [%eval -1.43] } 21... fxe5 { [%eval -1.52] } 22. Ng5+ { [%eval -1.42] } 22... Kg8 { [%eval -1.44] } 23. Ne6 { [%eval -1.36] } 23... Rb8 { [%eval -1.4] } 24. Nxf8 { [%eval -1.35] } 24... Rxf8 { [%eval -1.52] } 25. Rab1 { [%eval -1.46] } 25... Qc7 { [%eval -1.51] } 26. Qd2 { [%eval -1.76] } 26... Kh7 { [%eval -1.9] } 27. Qg5 { [%eval -2.12] } 27... Bh6 { [%eval -1.97] } 28. Qh4 { [%eval -1.71] } 28... Nc8 { [%eval -1.77] } 29. g3 { [%eval -1.97] } 29... Qf7 { [%eval -1.49] } 30. Rf1 { [%eval -1.46] } 30... g5 { [%eval -1.19] } 31. Qh3 { [%eval -1.3] } 31... g4 { [%eval -1.04] } 32. Qg2 { [%eval -1.49] } 32... Qf3?! { [%eval -0.82] } { Inaccuracy. Kg6 was best. } 33. Rfe1?! { [%eval -1.55] } { Inaccuracy. h3 was best. } 33... Kg7 { [%eval -1.17] } 34. Qxf3 { [%eval -1.41] } 34... gxf3 { [%eval -1.41] } 35. Rb3 { [%eval -1.86] } 35... Rf6? { [%eval -0.2] } { Mistake. Bg5 was best. } 36. Rd1?! { [%eval -0.79] } { Inaccuracy. h4 was best. } 36... Kf7 { [%eval -0.34] } 37. c3?? { [%eval -2.16] } { Blunder. h4 was best. } 37... Ke7? { [%eval -0.91] } { Mistake. h4 was best. } 38. Rbb1? { [%eval -2.19] } { Mistake. h4 was best. } 38... Kd6?! { [%eval -1.09] } { Inaccuracy. h4 was best. } 39. d4? { [%eval -2.73] } { Mistake. h4 was best. } 39... cxd4 { [%eval -2.95] } 40. cxd4 { [%eval -3.14] } 40... exd4 { [%eval -3.1] } 41. Rxd4+ { [%eval -2.93] } 41... Kc5 { [%eval -2.77] } 42. Rd8 { [%eval -2.95] } 42... Rf8?! { [%eval -1.73] } { Inaccuracy. Ne7 was best. } 43. Rd7? { [%eval -3.05] } { Mistake. Rbd1 was best. } 43... Kxc4 { [%eval -2.95] } 44. Rh7?! { [%eval -3.78] } { Inaccuracy. Rbd1 was best. } 44... Bd2 { [%eval -3.9] } 45. Rxh5 { [%eval -3.86] } 45... Re8 { [%eval -3.2] } 46. e5 { [%eval -3.91] } 46... b5 { [%eval -3.94] } 47. e6 { [%eval -4.75] } 47... b4 { [%eval -4.34] } 48. Rxa5 { [%eval -4.31] } 48... Rxe6 { [%eval -4.16] } 49. Kf1 { [%eval -5.14] } 49... c5 { [%eval -5.16] } 50. Ra8 { [%eval -5.25] } 50... Ne7 { [%eval -4.76] } 51. a5 { [%eval -5.54] } 51... Nd5 { [%eval -5.15] } 52. a6 { [%eval -5.31] } 52... Nc7 { [%eval -5.2] } 53. Rd8 { [%eval -5.34] } 53... Kc3?! { [%eval -3.98] } { Inaccuracy. Bc3 was best. } 54. Rc8? { [%eval -7.34] } { Mistake. Rd1 was best. } 54... Nxa6 { [%eval -7.68] } 55. Rd8 { [%eval -8.68] } 55... Kc2 { [%eval -7.94] } 56. Ra1 { [%eval -8.96] } 56... Bc3 { [%eval -8.83] } 57. Rad1 { [%eval -8.95] } 57... b3 { [%eval -8.58] } 58. h4 { [%eval -9.63] } 58... b2 { [%eval -9.3] } 59. h5 { [%eval -10.49] } 59... b1=Q?! { [%eval -6.9] } { Inaccuracy. Nb4 was best. } 60. Rxb1 { [%eval -6.64] } 60... Kxb1 { [%eval -6.54] } 61. Rd3?? { [%eval #-1] } { Checkmate is now unavoidable. Kg1 was best. } 61... Re1# 0-1