Event: Round 4: Vaibhav Kalpaka - Abraham, John Z
Date: 2025-02-15
White: Vaibhav Kalpaka
WhiteElo: 2161
Black: Abraham, John Z
BlackElo: 2167
Result: 1-0
ECO: B48
Opening: Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:24:06] } 1... c5 { [%eval 0.25] [%clk 1:30:40] } 2. Nf3 { [%eval 0.2] [%clk 1:24:30] } 2... e6 { [%eval 0.28] [%clk 1:30:46] } 3. d4 { [%eval 0.4] [%clk 1:24:56] } 3... cxd4 { [%eval 0.29] [%clk 1:31:04] } 4. Nxd4 { [%eval 0.23] [%clk 1:25:24] } 4... Nc6 { [%eval 0.28] [%clk 1:31:27] } 5. Nc3 { [%eval 0.24] [%clk 1:25:42] } 5... Qc7 { [%eval 0.35] [%clk 1:31:52] } 6. Be3 { [%eval 0.31] [%clk 1:26:06] } 6... a6 { [%eval 0.35] [%clk 1:32:15] } 7. a3 { [%eval 0.15] [%clk 1:26:28] } 7... b5 { [%eval 0.27] [%clk 1:32:37] } 8. Nxc6 { [%eval 0.31] [%clk 1:26:50] } 8... Qxc6 { [%eval 0.32] [%clk 1:32:17] } 9. h4 { [%eval 0.44] [%clk 1:26:57] } 9... Bb7 { [%eval 0.42] [%clk 1:26:12] } 10. h5 { [%eval 0.52] [%clk 1:26:56] } 10... h6 { [%eval 0.39] [%clk 1:25:28] } 11. Bd4 { [%eval 0.41] [%clk 1:23:29] } 11... Nf6 { [%eval 0.6] [%clk 1:15:42] } 12. e5 { [%eval 0.55] [%clk 1:23:35] } 12... Nd5 { [%eval 0.5] [%clk 1:15:51] } 13. Rh3 { [%eval 0.54] [%clk 1:23:49] } 13... Rc8 { [%eval 0.54] [%clk 1:06:19] } 14. Qg4 { [%eval 0.56] [%clk 1:11:40] } 14... Rg8?! { [%eval 1.14] } { Inaccuracy. Ne7 was best. } { [%clk 1:01:23] } 15. Be2 { [%eval 1.06] [%clk 1:07:49] } 15... b4?! { [%eval 1.86] } { Inaccuracy. Ne7 was best. } { [%clk 0:47:41] } 16. Nxd5 { [%eval 1.77] [%clk 1:06:30] } 16... Qxd5 { [%eval 1.77] [%clk 0:45:06] } 17. Bf3?! { [%eval 0.78] } { Inaccuracy. axb4 was best. } { [%clk 1:04:24] } 17... Qb5 { [%eval 0.74] [%clk 0:41:52] } 18. a4 { [%eval 0.73] [%clk 1:04:00] } 18... Bxf3 { [%eval 0.78] [%clk 0:41:12] } 19. Rxf3 { [%eval 0.85] [%clk 1:04:28] } 19... Qb7?! { [%eval 1.79] } { Inaccuracy. Qd5 was best. } { [%clk 0:31:51] } 20. Qf4 { [%eval 1.78] [%clk 1:00:05] } 20... d5? { [%eval 3.73] } { Mistake. f5 was best. } { [%clk 0:29:53] } 21. exd6 { [%eval 3.66] [%clk 1:00:22] } 21... g5 { [%eval 3.94] [%clk 0:23:15] } 22. hxg6 { [%eval 3.77] [%clk 0:59:47] } 22... Rxg6 { [%eval 3.74] [%clk 0:23:32] } 23. Kf1?! { [%eval 2.77] } { Inaccuracy. O-O-O was best. } { [%clk 0:58:17] } 23... Rxc2 { [%eval 3.39] [%clk 0:18:52] } 24. Rd1 { [%eval 3.45] [%clk 0:56:39] } 24... h5?? { [%eval 7.48] } { Blunder. Qd7 was best. } { [%clk 0:15:41] } 25. Bf6?! { [%eval 4.91] } { Inaccuracy. Bc5 was best. } { [%clk 0:54:30] } 25... Qd7 { [%eval 5.56] [%clk 0:11:58] } 26. Be7 { [%eval 5.29] [%clk 0:49:23] } 26... f5 { [%eval 5.05] [%clk 0:12:11] } 27. Bxf8?! { [%eval 3.61] } { Inaccuracy. Qh4 was best. } { [%clk 0:49:48] } 27... Kxf8 { [%eval 3.88] [%clk 0:10:43] } 28. Qxb4 { [%eval 3.89] [%clk 0:50:15] } 28... Rg4 { [%eval 3.81] [%clk 0:07:32] } 29. Qb3 { [%eval 3.5] [%clk 0:45:52] } 29... Rcc4?! { [%eval 4.52] } { Inaccuracy. Rc6 was best. } { [%clk 0:05:31] } 30. Rc3 { [%eval 4.55] [%clk 0:45:34] } 30... Rxc3 { [%eval 4.49] [%clk 0:02:37] } 31. Qxc3 { [%eval 4.24] [%clk 0:45:14] } 31... Qxa4?! { [%eval 6.33] } { Inaccuracy. Kg8 was best. } { [%clk 0:00:32] } 32. Qh8+? { [%eval 3.17] } { Mistake. Qf6+ was best. } { [%clk 0:44:52] } 32... Kf7 { [%eval 3.84] [%clk 0:00:45] } 33. Qh7+ { [%eval 3.62] [%clk 0:45:16] } 33... Kf6 { [%eval 3.52] [%clk 0:00:45] } 34. Qe7+ { [%eval 2.65] [%clk 0:45:23] } 34... Ke5 { [%eval 2.46] [%clk 0:00:50] } 35. Re1+?? { [%eval 0.0] } { Blunder. b3 was best. } { [%clk 0:34:31] } 35... Re4 { [%eval 0.13] [%clk 0:01:17] } 36. Rc1 { [%eval 0.16] [%clk 0:34:54] } 36... Rc4 { [%eval 0.26] [%clk 0:01:24] } 37. Rb1 { [%eval 0.0] [%clk 0:34:51] } 37... Qc2 { [%eval 0.0] [%clk 0:00:57] } 38. Ra1 { [%eval 0.0] [%clk 0:34:37] } 38... Ra4 { [%eval 0.03] [%clk 0:00:45] } 39. Qg7+ { [%eval 0.0] [%clk 0:33:22] } 39... Kxd6 { [%eval 0.0] [%clk 0:01:02] } 40. Qf8+ { [%eval 0.0] [%clk 0:33:42] } 40... Ke5?? { [%eval 5.24] } { Blunder. Kd7 was best. } { [%clk 0:01:15] } 41. Qb8+ { [%eval 5.24] [%clk 0:33:57] } 41... Kf6 { [%eval 5.19] [%clk 0:01:05] } 42. Qf8+ { [%eval 5.05] [%clk 0:33:55] } 42... Ke5 { [%eval 4.98] [%clk 0:01:02] } 43. Qh8+ { [%eval 4.54] [%clk 0:30:01] } 43... Kd6 { [%eval 5.36] [%clk 0:01:00] } 44. Qd8+ { [%eval 5.03] [%clk 0:19:06] } 44... Ke5 { [%eval 5.02] [%clk 0:01:24] } 45. Rd1 { [%eval 4.8] [%clk 0:19:27] } 45... Re4?? { [%eval #4] } { Checkmate is now unavoidable. Qc6 was best. } { [%clk 0:00:57] } 46. Qh8+ { [%eval #3] [%clk 0:19:03] } 46... Kf4 { [%eval #3] [%clk 0:01:11] } 47. Qh6+ { [%eval #2] [%clk 0:19:28] } 47... Ke5 { [%eval #2] [%clk 0:01:24] } 48. Qg7+ { [%eval #1] } 48... Kf4 { [%eval #1] [%clk 0:00:55] } 49. Qg4+?? { [%eval #-7] } { Lost forced checkmate sequence. Qg3# was best. } { [%clk 0:19:28] } 49... Ke5?? { [%eval #2] } { Lost forced checkmate sequence. hxg4 was best. } { [%clk 0:00:55] } 1-0