Event: Round 5: Vaddhireddy, Sai - Zak, Kamil
Date: 2025-06-29
White: Vaddhireddy, Sai
WhiteElo: 1946
Black: Zak, Kamil
BlackElo: 2090
Result: 1-0
ECO: D10
Opening: Slav Defense: Exchange Variation
Variant: Standard
TimeControl: 110+10

1. d4 { [%eval 0.17] [%clk 1:50:18] } 1... d5 { [%eval 0.2] [%clk 1:50:16] } 2. c4 { [%eval 0.18] [%clk 1:50:24] } 2... c6 { [%eval 0.21] [%clk 1:50:23] } 3. cxd5 { [%eval 0.15] [%clk 1:50:30] } 3... cxd5 { [%eval 0.19] [%clk 1:50:30] } 4. Bf4 { [%eval 0.13] [%clk 1:50:22] } 4... Qb6 { [%eval 0.27] [%clk 1:49:44] } 5. Nc3 { [%eval 0.29] [%clk 1:50:20] } 5... Nf6 { [%eval 0.5] [%clk 1:46:51] } 6. e3 { [%eval 0.37] [%clk 1:50:25] } 6... a6 { [%eval 0.66] [%clk 1:46:18] } 7. Bd3 { [%eval 0.47] [%clk 1:44:44] } 7... Nc6 { [%eval 0.5] [%clk 1:36:56] } 8. Nge2 { [%eval 0.51] [%clk 1:39:39] } 8... Nb4 { [%eval 0.48] [%clk 1:32:47] } 9. Bb1 { [%eval 0.43] [%clk 1:39:28] } 9... Nc6 { [%eval 0.76] [%clk 1:28:24] } 10. Bd3 { [%eval 0.4] [%clk 1:38:33] } 10... Nb4 { [%eval 0.39] [%clk 1:26:58] } 11. Bb1 { [%eval 0.49] [%clk 1:38:19] } 11... Nc6 { [%eval 0.76] [%clk 1:26:38] } 12. Qd2 { [%eval 0.27] [%clk 1:37:59] } 12... e6 { [%eval 0.32] [%clk 1:26:04] } 13. h3 { [%eval 0.33] [%clk 1:37:48] } 13... Bd7 { [%eval 0.26] [%clk 1:24:31] } 14. O-O { [%eval 0.31] [%clk 1:37:35] } 14... Rc8 { [%eval 0.31] [%clk 1:24:04] } 15. Na4 { [%eval 0.32] [%clk 1:30:54] } 15... Qa7 { [%eval 0.48] [%clk 1:23:35] } 16. Rc1 { [%eval 0.58] [%clk 1:28:45] } 16... Bb4 { [%eval 0.6] [%clk 1:15:59] } 17. Qd1 { [%eval 0.5] [%clk 1:26:14] } 17... Be7 { [%eval 0.56] [%clk 1:04:36] } 18. Nc5 { [%eval 0.35] [%clk 1:18:43] } 18... b6?! { [%eval 0.92] } { Inaccuracy. O-O was best. } { [%clk 1:03:12] } 19. Nxd7 { [%eval 0.83] [%clk 1:17:44] } 19... Nxd7?! { [%eval 1.6] } { Inaccuracy. Qxd7 was best. } { [%clk 0:52:39] } 20. e4 { [%eval 1.68] [%clk 1:14:03] } 20... O-O { [%eval 1.51] [%clk 0:49:02] } 21. Nc3? { [%eval 0.05] } { Mistake. exd5 was best. } { [%clk 1:12:28] } 21... Nf6? { [%eval 1.64] } { Mistake. dxe4 was best. } { [%clk 0:39:30] } 22. exd5 { [%eval 1.61] [%clk 1:10:04] } 22... exd5 { [%eval 1.71] [%clk 0:32:29] } 23. Bf5 { [%eval 1.63] [%clk 1:08:16] } 23... Rcd8 { [%eval 1.7] [%clk 0:28:30] } 24. Ne2 { [%eval 1.65] [%clk 1:01:42] } 24... Qb7 { [%eval 1.62] [%clk 0:24:23] } 25. Rc2 { [%eval 1.14] [%clk 0:54:28] } 25... Bd6?! { [%eval 2.24] } { Inaccuracy. Nh5 was best. } { [%clk 0:17:43] } 26. Bg5 { [%eval 2.19] [%clk 0:52:52] } 26... Ne7 { [%eval 2.17] [%clk 0:15:34] } 27. Bxf6 { [%eval 2.08] [%clk 0:52:28] } 27... gxf6 { [%eval 2.28] [%clk 0:15:35] } 28. Bd3 { [%eval 2.23] [%clk 0:51:45] } 28... Kh8 { [%eval 2.31] [%clk 0:14:09] } 29. Qd2 { [%eval 1.91] [%clk 0:50:52] } 29... Rg8 { [%eval 2.43] [%clk 0:13:17] } 30. Qh6 { [%eval 2.47] [%clk 0:45:00] } 30... Ng6 { [%eval 2.47] [%clk 0:13:09] } 31. Ng3 { [%eval 1.9] [%clk 0:44:50] } 31... Bf4 { [%eval 1.68] [%clk 0:06:06] } 32. Qh5 { [%eval 1.87] [%clk 0:44:46] } 32... Rc8? { [%eval 3.48] } { Mistake. Bxg3 was best. } { [%clk 0:05:46] } 33. Qf5 { [%eval 3.55] [%clk 0:44:05] } 33... Bg5 { [%eval 3.36] [%clk 0:05:23] } 34. Re2 { [%eval 2.84] [%clk 0:41:26] } 34... Rge8 { [%eval 2.95] [%clk 0:02:40] } 35. Rae1 { [%eval 2.6] [%clk 0:40:28] } 35... Qc6?! { [%eval 3.97] } { Inaccuracy. Rxe2 was best. } { [%clk 0:02:21] } 36. Bc2? { [%eval 2.37] } { Mistake. Nh5 was best. } { [%clk 0:36:13] } 36... Kg7?! { [%eval 3.38] } { Inaccuracy. Kg8 was best. } { [%clk 0:01:50] } 37. f4?! { [%eval 2.58] } { Inaccuracy. Nh5+ was best. } { [%clk 0:35:08] } 37... Bh4?! { [%eval 4.05] } { Inaccuracy. Rxe2 was best. } { [%clk 0:00:56] } 38. Nh5+ { [%eval 3.69] [%clk 0:34:50] } 38... Kf8?! { [%eval 4.74] } { Inaccuracy. Kh6 was best. } { [%clk 0:00:59] } 39. g3 { [%eval 4.68] [%clk 0:34:32] } 39... Rxe2 { [%eval 4.69] [%clk 0:00:33] } 40. Rxe2 { [%eval 4.71] [%clk 0:34:35] } 40... Qc4 { [%eval 4.67] [%clk 0:00:34] } 41. gxh4 { [%eval 4.55] [%clk 0:32:13] } 41... Qxe2?! { [%eval 6.14] } { Inaccuracy. Qxd4+ was best. } { [%clk 0:00:14] } 42. Qxc8+ { [%eval 6.27] [%clk 0:32:16] } 42... Ke7 { [%eval 6.2] [%clk 0:00:22] } 43. Qc7+ { [%eval 6.07] [%clk 0:32:16] } 43... Ke8 { [%eval 6.0] [%clk 0:00:27] } 44. Qc6+ { [%eval 6.09] [%clk 0:31:31] } 44... Ke7 { [%eval 6.15] [%clk 0:00:28] } 45. Qc7+ { [%eval 6.28] [%clk 0:25:38] } 45... Ke8 { [%eval 6.28] [%clk 0:00:29] } 46. Nxf6+ { [%eval 6.11] [%clk 0:25:26] } 46... Kf8 { [%eval 6.0] [%clk 0:00:37] } 47. Qd8+ { [%eval 6.27] [%clk 0:24:50] } 47... Kg7 { [%eval 6.15] [%clk 0:00:43] } 48. Ne8+ { [%eval 5.99] [%clk 0:24:47] } 48... Kf8?? { [%eval #4] } { Checkmate is now unavoidable. Kg8 was best. } { [%clk 0:00:40] } 49. Nd6+ { [%eval #3] [%clk 0:24:37] } 1-0