Event: Round 9: Ocelak, David - Kroulik, Vaclav
Date: 2025-05-11
White: Ocelak, David
WhiteElo: 1934
Black: Kroulik, Vaclav
BlackElo: 2097
Result: 1/2-1/2
ECO: A04
Opening: Zukertort Opening: Sicilian Invitation
Variant: Standard
TimeControl: 60+30

1. Nf3 { [%eval 0.14] [%clk 1:00:53] } 1... c5 { [%eval 0.25] [%clk 1:00:56] } 2. b3 { [%eval -0.03] [%clk 1:01:19] } 2... d5 { [%eval 0.15] [%clk 1:00:49] } 3. e3 { [%eval 0.09] [%clk 1:01:43] } 3... Nf6 { [%eval 0.17] [%clk 1:00:05] } 4. Bb2 { [%eval 0.04] [%clk 1:02:00] } 4... a6 { [%eval 0.24] [%clk 0:59:23] } 5. d3 { [%eval -0.14] [%clk 1:02:12] } 5... Nc6 { [%eval -0.11] [%clk 0:59:23] } 6. Nbd2 { [%eval -0.21] [%clk 1:02:24] } 6... Qc7 { [%eval -0.11] [%clk 0:56:48] } 7. g3 { [%eval -0.49] [%clk 1:01:39] } 7... e5 { [%eval -0.47] [%clk 0:56:19] } 8. Bg2 { [%eval -0.52] [%clk 1:00:02] } 8... Bd6 { [%eval -0.48] [%clk 0:55:44] } 9. e4 { [%eval -0.46] [%clk 0:58:56] } 9... d4 { [%eval -0.72] [%clk 0:53:40] } 10. O-O { [%eval -0.93] [%clk 0:59:13] } 10... Be6 { [%eval -0.67] [%clk 0:52:41] } 11. a4 { [%eval -0.85] [%clk 0:55:20] } 11... O-O?! { [%eval -0.18] } { Inaccuracy. Be7 was best. } { [%clk 0:50:47] } 12. h3?! { [%eval -1.19] } { Inaccuracy. Nc4 was best. } { [%clk 0:52:15] } 12... h6 { [%eval -0.95] [%clk 0:49:10] } 13. g4 { [%eval -1.46] [%clk 0:51:29] } 13... g5 { [%eval -1.01] [%clk 0:44:26] } 14. c4?! { [%eval -1.97] } { Inaccuracy. Re1 was best. } { [%clk 0:43:14] } 14... dxc3?! { [%eval -0.86] } { Inaccuracy. Kg7 was best. } { [%clk 0:36:40] } 15. Bxc3 { [%eval -0.77] [%clk 0:43:36] } 15... b5 { [%eval -0.72] [%clk 0:36:49] } 16. Qe2?! { [%eval -1.5] } { Inaccuracy. Re1 was best. } { [%clk 0:38:31] } 16... Nd4?! { [%eval -0.42] } { Inaccuracy. Nd7 was best. } { [%clk 0:35:26] } 17. Bxd4 { [%eval -0.39] [%clk 0:36:54] } 17... cxd4 { [%eval -0.68] [%clk 0:35:49] } 18. Rfc1?! { [%eval -1.27] } { Inaccuracy. axb5 was best. } { [%clk 0:35:58] } 18... Qb6 { [%eval -1.21] [%clk 0:30:35] } 19. Nh2?! { [%eval -1.94] } { Inaccuracy. Nf1 was best. } { [%clk 0:30:50] } 19... Rac8 { [%eval -1.93] [%clk 0:28:18] } 20. Bf3?! { [%eval -2.96] } { Inaccuracy. axb5 was best. } { [%clk 0:27:25] } 20... Rc3 { [%eval -2.87] [%clk 0:26:26] } 21. Qf1 { [%eval -3.13] [%clk 0:21:13] } 21... Rfc8 { [%eval -2.73] [%clk 0:25:29] } 22. Rcb1 { [%eval -3.02] [%clk 0:21:10] } 22... Rc2 { [%eval -2.75] [%clk 0:24:19] } 23. Qd1 { [%eval -2.63] [%clk 0:20:33] } 23... R2c3 { [%eval -2.36] [%clk 0:23:20] } 24. Be2 { [%eval -2.79] [%clk 0:19:37] } 24... Bb4 { [%eval -2.39] [%clk 0:22:36] } 25. Kg2 { [%eval -2.69] [%clk 0:14:16] } 25... Nd7 { [%eval -2.44] [%clk 0:20:59] } 26. Nhf3 { [%eval -2.39] [%clk 0:10:25] } 26... f6 { [%eval -2.16] [%clk 0:21:05] } 27. Rc1 { [%eval -2.68] [%clk 0:10:43] } 27... Nc5 { [%eval -2.8] [%clk 0:14:48] } 28. axb5 { [%eval -2.79] [%clk 0:09:56] } 28... axb5 { [%eval -2.86] [%clk 0:13:52] } 29. h4 { [%eval -3.26] [%clk 0:08:03] } 29... Kg7 { [%eval -3.24] [%clk 0:11:40] } 30. Qh1 { [%eval -3.56] [%clk 0:03:01] } 30... Nxb3?? { [%eval -1.09] } { Blunder. Rxc1 was best. } { [%clk 0:09:01] } 31. Nxb3 { [%eval -1.13] [%clk 0:03:02] } 31... Bxb3 { [%eval -1.41] [%clk 0:09:26] } 32. hxg5?! { [%eval -2.33] } { Inaccuracy. Rcb1 was best. } { [%clk 0:03:09] } 32... hxg5 { [%eval -2.11] [%clk 0:09:46] } 33. Rcb1 { [%eval -2.13] [%clk 0:01:06] } 33... Be7 { [%eval -2.26] [%clk 0:09:09] } 34. Bd1 { [%eval -2.61] [%clk 0:01:07] } 34... Be6 { [%eval -2.72] [%clk 0:08:12] } 35. Qh3 { [%eval -2.9] [%clk 0:00:51] } 35... b4 { [%eval -2.77] [%clk 0:06:47] } 36. Be2?! { [%eval -3.74] } { Inaccuracy. Nd2 was best. } { [%clk 0:00:33] } 36... Rh8 { [%eval -3.87] [%clk 0:06:00] } 37. Qg3 { [%eval -3.7] [%clk 0:00:58] } 37... b3 { [%eval -3.71] [%clk 0:05:14] } 38. Rh1 { [%eval -4.33] [%clk 0:01:22] } 38... Rcc8 { [%eval -4.5] [%clk 0:04:55] } 39. Nd2 { [%eval -5.22] [%clk 0:00:40] } 39... b2 { [%eval -5.22] [%clk 0:04:10] } 40. Raf1 { [%eval -4.8] [%clk 0:00:52] } 40... Qb4 { [%eval -4.73] [%clk 0:03:15] } 41. Nb1 { [%eval -5.91] [%clk 0:00:44] } 41... Rxh1 { [%eval -5.78] [%clk 0:02:55] } 42. Rxh1 { [%eval -5.47] [%clk 0:01:08] } 42... Rc1 { [%eval -4.51] [%clk 0:03:07] } 43. Rh2? { [%eval -8.9] } { Mistake. Bd1 was best. } { [%clk 0:00:57] } 43... Rxb1?! { [%eval -5.15] } { Inaccuracy. Qe1 was best. } { [%clk 0:01:47] } 44. Qh3 { [%eval -5.15] [%clk 0:01:21] } 44... Bg8 { [%eval -5.13] [%clk 0:01:50] } 45. Qh8+ { [%eval -5.62] [%clk 0:00:54] } 45... Kf7 { [%eval -5.5] [%clk 0:02:16] } 46. Qh5+ { [%eval -5.07] [%clk 0:00:35] } 46... Ke6 { [%eval -5.34] [%clk 0:02:24] } 47. Qe8 { [%eval -4.93] [%clk 0:00:56] } 47... Rc1 { [%eval -4.41] [%clk 0:01:34] } 48. Qxg8+ { [%eval -4.14] [%clk 0:01:16] } 48... Kd7 { [%eval -4.03] [%clk 0:01:31] } 49. Rh8? { [%eval -7.28] } { Mistake. Qd5+ was best. } { [%clk 0:01:28] } 49... b1=Q { [%eval -6.99] [%clk 0:01:37] } 50. Qd5+ { [%eval -8.38] [%clk 0:00:46] } 50... Qd6 { [%eval -13.2] [%clk 0:01:59] } 51. Qa8 { [%eval -13.59] [%clk 0:00:45] } 51... Qc7?! { [%eval -7.16] } { Inaccuracy. Rg1+ was best. } { [%clk 0:01:41] } 52. Qd5+ { [%eval -9.58] [%clk 0:01:03] } 52... Qd6 { [%eval -8.82] [%clk 0:02:05] } 53. Qa8? { [%eval #-12] } { Checkmate is now unavoidable. Qf7 was best. } { [%clk 0:01:16] } 53... Qc7?? { [%eval 0.0] } { Lost forced checkmate sequence. Rg1+ was best. } { [%clk 0:01:37] } 54. Qd5+ { [%eval 0.0] [%clk 0:01:40] } 54... Qd6 { [%eval 0.0] [%clk 0:02:04] } 1/2-1/2