Event: Round 4: Ryabukhin, Roman - Morais, Miguel Almeida
Date: 2024-08-26
White: Ryabukhin, Roman
WhiteElo: 2190
Black: Morais, Miguel Almeida
BlackElo: 2009
Result: 0-1
ECO: B23
Opening: Sicilian Defense: Closed, Chameleon Variation
Variant: Standard

1. e4 { [%eval 0.15] } 1... c5 { [%eval 0.25] } 2. Ne2 { [%eval 0.0] } 2... Nc6 { [%eval 0.28] } 3. Nbc3 { [%eval 0.25] } 3... Nf6 { [%eval 0.27] } 4. g3 { [%eval 0.0] } 4... d5 { [%eval 0.03] } 5. exd5 { [%eval 0.0] } 5... Nxd5 { [%eval 0.0] } 6. Bg2 { [%eval 0.03] } 6... Nxc3 { [%eval 0.11] } 7. bxc3 { [%eval 0.04] } 7... g6 { [%eval 0.0] } 8. O-O { [%eval 0.06] } 8... Bg7 { [%eval 0.1] } 9. Rb1 { [%eval -0.16] } 9... O-O { [%eval -0.17] } 10. d3 { [%eval -0.2] } 10... Qd7 { [%eval -0.09] } 11. Bb2 { [%eval -0.24] } 11... b6 { [%eval -0.23] } 12. d4?! { [%eval -1.3] } { Inaccuracy. c4 was best. } 12... Bb7?! { [%eval -0.43] } { Inaccuracy. Ba6 was best. } 13. dxc5 { [%eval -0.45] } 13... Rfd8?! { [%eval 0.2] } { Inaccuracy. Qc8 was best. } 14. Qxd7 { [%eval 0.07] } 14... Rxd7 { [%eval 0.07] } 15. Bc1 { [%eval 0.0] } 15... Na5 { [%eval 0.02] } 16. cxb6 { [%eval 0.09] } 16... axb6 { [%eval 0.16] } 17. Rxb6 { [%eval 0.16] } 17... Bxg2 { [%eval 0.15] } 18. Kxg2 { [%eval 0.18] } 18... Nc4 { [%eval 0.14] } 19. Rc6 { [%eval 0.08] } 19... Na5 { [%eval 0.09] } 20. Rb6 { [%eval 0.12] } 20... Nc4 { [%eval 0.16] } 21. Rb4 { [%eval 0.14] } 21... Na3 { [%eval 0.24] } 22. Bxa3 { [%eval 0.18] } 22... Rxa3 { [%eval 0.23] } 23. Rb8+ { [%eval 0.19] } 23... Bf8 { [%eval 0.22] } 24. Rc8 { [%eval 0.2] } 24... e6 { [%eval 0.59] } 25. Rb1 { [%eval 0.59] } 25... Kg7 { [%eval 0.61] } 26. Rbb8 { [%eval 0.3] } 26... Be7 { [%eval 0.35] } 27. Ra8 { [%eval 0.15] } 27... Rda7 { [%eval 0.17] } 28. Rxa7 { [%eval 0.18] } 28... Rxa7 { [%eval 0.24] } 29. Nc1 { [%eval 0.17] } 29... Ba3 { [%eval 0.27] } 30. Nd3 { [%eval 0.22] } 30... Bd6 { [%eval 0.28] } 31. Nb4 { [%eval 0.27] } 31... Ra4?? { [%eval 2.26] } { Blunder. Ra3 was best. } 32. Rc6 { [%eval 2.24] } 32... Be5 { [%eval 2.43] } 33. Ra6 { [%eval 2.26] } 33... Rxa6 { [%eval 2.14] } 34. Nxa6 { [%eval 2.15] } 34... Bxc3 { [%eval 2.36] } 35. Nc5 { [%eval 2.36] } 35... Kf8 { [%eval 2.19] } 36. a4 { [%eval 2.31] } 36... Ke7 { [%eval 2.14] } 37. Nb3 { [%eval 1.83] } 37... Kd6 { [%eval 2.0] } 38. Kf3 { [%eval 1.94] } 38... e5 { [%eval 1.89] } 39. Ke3 { [%eval 1.82] } 39... f5 { [%eval 1.72] } 40. f3 { [%eval 1.69] } 40... Kd5? { [%eval 3.26] } { Mistake. Kc6 was best. } 41. Kd3 { [%eval 3.08] } 41... Be1 { [%eval 3.39] } 42. c4+ { [%eval 3.18] } 42... Kc6 { [%eval 3.8] } 43. c5 { [%eval 3.62] } 43... h5?! { [%eval 4.73] } { Inaccuracy. Bf2 was best. } 44. Kc4 { [%eval 4.48] } 44... g5 { [%eval 5.28] } 45. a5 { [%eval 4.95] } 45... g4?! { [%eval 6.38] } { Inaccuracy. Kb7 was best. } 46. fxg4 { [%eval 6.45] } 46... hxg4 { [%eval 6.49] } 47. a6 { [%eval 6.52] } 47... Kc7 { [%eval 6.59] } 48. Kd5 { [%eval 6.35] } 48... f4?! { [%eval 9.88] } { Inaccuracy. Kb8 was best. } 49. gxf4?? { [%eval 0.0] } { Blunder. c6 was best. } 49... exf4 { [%eval 0.0] } 50. c6 { [%eval 0.0] } 50... Bf2 { [%eval 0.0] } 51. Nc5 { [%eval 0.0] } 51... Bxc5 { [%eval 0.0] } 52. Kxc5 { [%eval 0.0] } 52... g3 { [%eval 0.0] } 53. hxg3 { [%eval 0.0] } 53... fxg3 { [%eval 0.0] } 54. a7 { [%eval 0.0] } 54... g2 { [%eval 0.0] } 55. a8=N+?? { [%eval -5.66] } { Blunder. Kd5 was best. } 55... Kb8 { [%eval -4.45] } 56. c7+ { [%eval -4.22] } 56... Kb7 { [%eval -4.28] } 0-1