Event: Round 6: Liu, Patrick - Magne Alcoba, Yonatan Israel
Date: 2025-07-31
White: Liu, Patrick
WhiteTitle: FM
WhiteElo: 2134
Black: Magne Alcoba, Yonatan Israel
BlackElo: 1819
Result: 1/2-1/2
ECO: C24
Opening: Bishop's Opening: Berlin Defense
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:30:59] } 1... e5 { [%eval 0.22] [%clk 1:30:46] } 2. Bc4 { [%eval 0.03] [%clk 1:31:22] } 2... Nf6 { [%eval 0.11] [%clk 1:31:08] } 3. d3 { [%eval 0.0] [%clk 1:31:45] } 3... c6 { [%eval 0.0] [%clk 1:31:01] } 4. Nf3 { [%eval 0.0] [%clk 1:32:09] } 4... d6 { [%eval 0.22] [%clk 1:31:24] } 5. O-O { [%eval 0.27] [%clk 1:31:40] } 5... Be7 { [%eval 0.24] [%clk 1:31:36] } 6. Bb3 { [%eval 0.0] [%clk 1:28:18] } 6... O-O { [%eval 0.14] [%clk 1:31:46] } 7. h3 { [%eval 0.06] [%clk 1:28:29] } 7... Nbd7 { [%eval 0.34] [%clk 1:29:57] } 8. c3 { [%eval 0.17] [%clk 1:28:02] } 8... Re8 { [%eval 0.16] [%clk 1:29:30] } 9. Re1 { [%eval 0.18] [%clk 1:26:47] } 9... Bf8 { [%eval 0.16] [%clk 1:29:20] } 10. Nbd2 { [%eval 0.17] [%clk 1:24:33] } 10... h6 { [%eval 0.24] [%clk 1:29:28] } 11. d4 { [%eval 0.21] [%clk 1:23:35] } 11... Qc7 { [%eval 0.19] [%clk 1:29:36] } 12. Bc2 { [%eval 0.16] [%clk 1:22:07] } 12... Nb6 { [%eval 0.58] [%clk 1:26:57] } 13. Nf1 { [%eval 0.57] [%clk 1:21:16] } 13... Be6 { [%eval 0.57] [%clk 1:27:14] } 14. Ng3 { [%eval 0.61] [%clk 1:21:06] } 14... Rad8 { [%eval 0.68] [%clk 1:27:29] } 15. b3 { [%eval 0.67] [%clk 1:21:04] } 15... Bc8 { [%eval 0.71] [%clk 1:27:17] } 16. Be3?! { [%eval 0.0] } { Inaccuracy. Bb2 was best. } { [%clk 1:20:02] } 16... g6? { [%eval 1.25] } { Mistake. d5 was best. } { [%clk 1:26:23] } 17. Qd2 { [%eval 1.33] [%clk 1:15:32] } 17... Kh7 { [%eval 1.37] [%clk 1:26:43] } 18. c4 { [%eval 1.27] [%clk 1:02:26] } 18... Nbd7 { [%eval 1.31] [%clk 1:22:21] } 19. d5 { [%eval 0.76] [%clk 1:02:07] } 19... c5?! { [%eval 1.56] } { Inaccuracy. b5 was best. } { [%clk 1:22:04] } 20. Bd3 { [%eval 1.42] [%clk 1:00:14] } 20... b6 { [%eval 1.36] [%clk 1:21:23] } 21. a3 { [%eval 1.47] [%clk 0:57:55] } 21... Bg7 { [%eval 1.41] [%clk 1:21:33] } 22. b4 { [%eval 1.36] [%clk 0:57:27] } 22... Ba6 { [%eval 1.31] [%clk 1:19:17] } 23. b5 { [%eval 1.25] [%clk 0:52:33] } 23... Bb7 { [%eval 1.29] [%clk 1:19:39] } 24. a4 { [%eval 1.33] [%clk 0:52:51] } 24... a5 { [%eval 1.33] [%clk 1:19:36] } 25. Kf1?! { [%eval 0.52] } { Inaccuracy. bxa6 was best. } { [%clk 0:50:57] } 25... Ng8?! { [%eval 1.24] } { Inaccuracy. Rh8 was best. } { [%clk 1:18:36] } 26. Ke2 { [%eval 1.28] [%clk 0:47:22] } 26... Nf8 { [%eval 1.48] [%clk 1:17:44] } 27. Qc2 { [%eval 1.42] [%clk 0:44:41] } 27... Bc8 { [%eval 1.42] [%clk 1:17:17] } 28. Rh1 { [%eval 1.33] [%clk 0:40:08] } 28... f6 { [%eval 1.3] [%clk 1:16:12] } 29. Raf1 { [%eval 1.0] [%clk 0:38:18] } 29... Qf7 { [%eval 1.28] [%clk 1:15:47] } 30. Kd2 { [%eval 1.27] [%clk 0:37:44] } 30... Ne7 { [%eval 1.42] [%clk 1:15:57] } 31. Nh4 { [%eval 1.4] [%clk 0:38:04] } 31... Kh8 { [%eval 1.37] [%clk 1:15:45] } 32. Kc1 { [%eval 1.48] [%clk 0:31:44] } 32... Nh7 { [%eval 1.51] [%clk 1:09:04] } 33. Ne2? { [%eval 0.36] } { Mistake. Bd2 was best. } { [%clk 0:26:40] } 33... f5 { [%eval 0.46] [%clk 1:02:44] } 34. g3 { [%eval 0.25] [%clk 0:22:15] } 34... g5 { [%eval 0.32] [%clk 1:00:22] } 35. Nf3 { [%eval 0.35] [%clk 0:17:14] } 35... Rf8 { [%eval 0.44] [%clk 0:59:03] } 36. exf5 { [%eval 0.35] [%clk 0:14:33] } 36... Bxf5 { [%eval 0.43] [%clk 0:59:22] } 37. Nd2 { [%eval 0.53] [%clk 0:14:42] } 37... Qg6?! { [%eval 1.28] } { Inaccuracy. Bxd3 was best. } { [%clk 0:50:34] } 38. Ne4 { [%eval 1.1] [%clk 0:13:25] } 38... Nf6 { [%eval 0.93] [%clk 0:49:31] } 39. f3?? { [%eval -1.39] } { Blunder. N2c3 was best. } { [%clk 0:13:40] } 39... Nexd5 { [%eval -1.57] [%clk 0:48:32] } 40. cxd5 { [%eval -1.32] [%clk 0:13:19] } 40... c4? { [%eval 0.04] } { Mistake. Nxd5 was best. } { [%clk 0:48:58] } 41. g4 { [%eval 0.04] [%clk 0:11:28] } 41... cxd3 { [%eval 0.12] [%clk 0:49:07] } 42. gxf5 { [%eval -0.13] [%clk 0:11:47] } 42... Rc8 { [%eval -0.04] [%clk 0:48:19] } 43. N2c3 { [%eval -0.12] [%clk 0:10:49] } 43... Nxe4?? { [%eval 3.26] } { Blunder. Qxf5 was best. } { [%clk 0:47:27] } 44. fxg6 { [%eval 3.02] [%clk 0:09:23] } 44... Rxc3 { [%eval 3.04] [%clk 0:46:04] } 45. Qxc3 { [%eval 2.93] [%clk 0:09:42] } 45... Nxc3 { [%eval 2.95] [%clk 0:46:30] } 46. Bxb6 { [%eval 2.68] [%clk 0:08:45] } 46... Nxa4 { [%eval 2.88] [%clk 0:46:48] } 47. Bxa5? { [%eval 1.37] } { Mistake. Ba7 was best. } { [%clk 0:08:38] } 47... Nc5?! { [%eval 2.4] } { Inaccuracy. Rb8 was best. } { [%clk 0:46:59] } 48. Bc7?? { [%eval -3.49] } { Blunder. Bb4 was best. } { [%clk 0:07:27] } 48... Rf4?? { [%eval 1.1] } { Blunder. Ra8 was best. } { [%clk 0:45:07] } 49. Bxd6? { [%eval -0.02] } { Mistake. Kd2 was best. } { [%clk 0:03:14] } 49... Rc4+ { [%eval -0.07] [%clk 0:45:33] } 50. Kb1 { [%eval -0.16] [%clk 0:03:19] } 50... Rb4+ { [%eval -0.12] [%clk 0:45:48] } 51. Ka2?? { [%eval #-6] } { Checkmate is now unavoidable. Kc1 was best. } { [%clk 0:03:06] } 51... Ra4+ { [%eval #-5] [%clk 0:46:09] } 52. Kb1 { [%eval #-5] [%clk 0:03:32] } 52... Rb4+?? { [%eval -0.27] } { Lost forced checkmate sequence. e4 was best. } { [%clk 0:46:24] } 53. Kc1 { [%clk 0:02:57] } 1/2-1/2