Event: 6th Colonial Open
Site: Sterlig, VA, United States
Date: 2025-04-19
White: Kunapuli, Siddarth Sriaditya
WhiteElo: 1803
Black: Samuelson, Andrew
BlackTitle: FM
BlackElo: 2068
Result: 0-1
ECO: B22
Opening: Sicilian Defense: Alapin Variation, Barmen Defense
Variant: Standard
TimeControl: G/90;+30

1. e4 { [%eval 0.18] [%clk 1:30:44] } 1... c5 { [%eval 0.25] [%clk 1:30:48] } 2. c3 { [%eval 0.0] [%clk 1:31:11] } 2... d5 { [%eval 0.16] [%clk 1:31:14] } 3. exd5 { [%eval 0.12] [%clk 1:31:37] } 3... Qxd5 { [%eval 0.19] [%clk 1:31:35] } 4. d4 { [%eval 0.13] [%clk 1:32:06] } 4... g6 { [%eval 0.27] [%clk 1:31:57] } 5. Nf3 { [%eval 0.18] [%clk 1:32:08] } 5... Bg7 { [%eval 0.25] [%clk 1:32:21] } 6. Be3 { [%eval 0.22] [%clk 1:32:25] } 6... cxd4 { [%eval 0.12] [%clk 1:32:11] } 7. Nxd4 { [%eval -0.11] [%clk 1:32:05] } 7... Nf6 { [%eval 0.0] [%clk 1:32:19] } 8. Bb5+ { [%eval -0.24] [%clk 1:25:24] } 8... Bd7 { [%eval -0.29] [%clk 1:32:29] } 9. Bxd7+ { [%eval -0.38] [%clk 1:25:23] } 9... Nbxd7 { [%eval -0.31] [%clk 1:32:30] } 10. O-O { [%eval -0.33] [%clk 1:25:32] } 10... O-O { [%eval -0.26] [%clk 1:32:46] } 11. Qe2 { [%eval -0.34] [%clk 1:23:21] } 11... a6 { [%eval -0.2] [%clk 1:32:29] } 12. Nd2 { [%eval -0.25] [%clk 1:21:05] } 12... e5 { [%eval -0.19] [%clk 1:32:24] } 13. N4b3 { [%eval -0.34] [%clk 1:20:25] } 13... Qe6 { [%eval -0.23] [%clk 1:32:08] } 14. Rfd1 { [%eval -0.34] [%clk 1:18:13] } 14... Nd5?! { [%eval 0.32] } { Inaccuracy. Rfc8 was best. } { [%clk 1:31:22] } 15. Ne4 { [%eval 0.19] [%clk 1:16:18] } 15... Nxe3 { [%eval 0.18] [%clk 1:30:09] } 16. Qxe3 { [%eval 0.11] [%clk 1:16:27] } 16... Rfd8 { [%eval 0.51] [%clk 1:25:34] } 17. Rd6 { [%eval 0.14] [%clk 1:15:27] } 17... Qe7 { [%eval 0.14] [%clk 1:25:57] } 18. Rad1 { [%eval 0.22] [%clk 1:15:43] } 18... Nf8?! { [%eval 1.0] } { Inaccuracy. Nf6 was best. } { [%clk 1:25:20] } 19. Qb6 { [%eval 1.05] [%clk 1:12:23] } 19... Rxd6 { [%eval 0.97] [%clk 1:24:25] } 20. Nxd6 { [%eval 1.02] [%clk 1:11:57] } 20... Rd8 { [%eval 1.02] [%clk 1:21:42] } 21. Na5?! { [%eval 0.23] } { Inaccuracy. Nc5 was best. } { [%clk 1:10:58] } 21... Ne6 { [%eval 0.28] [%clk 1:20:24] } 22. Naxb7 { [%eval 0.34] [%clk 1:09:53] } 22... Rd7 { [%eval 0.34] [%clk 1:19:41] } 23. Qxa6 { [%eval 0.14] [%clk 1:01:55] } 23... Bf8?! { [%eval 1.02] } { Inaccuracy. e4 was best. } { [%clk 1:19:57] } 24. Qd3?! { [%eval 0.18] } { Inaccuracy. c4 was best. } { [%clk 1:00:14] } 24... Rxb7 { [%eval 0.16] [%clk 1:14:54] } 25. Nxb7 { [%eval 0.19] [%clk 1:00:32] } 25... Qxb7 { [%eval 0.09] [%clk 1:15:21] } 26. b4 { [%eval 0.21] [%clk 0:59:44] } 26... Nf4 { [%eval 0.34] [%clk 1:15:35] } 27. Qf1?! { [%eval -0.28] } { Inaccuracy. Qf3 was best. } { [%clk 0:58:29] } 27... Qc6 { [%eval 0.0] [%clk 1:14:53] } 28. Rc1?? { [%eval -1.84] } { Blunder. b5 was best. } { [%clk 0:56:20] } 28... e4 { [%eval -1.68] [%clk 1:14:28] } 29. a3 { [%eval -2.29] [%clk 0:55:02] } 29... Nd3 { [%eval -2.1] [%clk 1:13:52] } 30. Rc2 { [%eval -2.21] [%clk 0:55:25] } 30... Qa4?! { [%eval -1.15] } { Inaccuracy. Bg7 was best. } { [%clk 1:13:41] } 31. Ra2? { [%eval -2.6] } { Mistake. Re2 was best. } { [%clk 0:54:32] } 31... Qb3?! { [%eval -1.79] } { Inaccuracy. Bg7 was best. } { [%clk 1:13:48] } 32. Qa1?? { [%eval -5.02] } { Blunder. Re2 was best. } { [%clk 0:54:44] } 32... Bg7?! { [%eval -3.3] } { Inaccuracy. Bh6 was best. } { [%clk 1:08:45] } 33. Re2 { [%eval -3.83] [%clk 0:54:45] } 33... Bxc3 { [%eval -3.76] [%clk 1:09:02] } 34. Qf1 { [%eval -3.68] [%clk 0:55:09] } 34... f5 { [%eval -3.64] [%clk 1:08:54] } 35. f3?! { [%eval -5.59] } { Inaccuracy. b5 was best. } { [%clk 0:54:02] } 35... Bd4+ { [%eval -4.88] [%clk 1:08:55] } 36. Kh1 { [%eval -4.76] [%clk 0:54:22] } 36... e3 { [%eval -4.74] [%clk 1:08:51] } 37. g3 { [%eval -4.57] [%clk 0:54:24] } 37... f4 { [%eval -4.37] [%clk 1:04:28] } 38. Kg2 { [%eval -4.35] [%clk 0:54:27] } 38... Kg7 { [%eval -4.32] [%clk 0:52:26] } 39. a4 { [%eval -4.66] [%clk 0:53:04] } 39... Qxa4 { [%eval -4.52] [%clk 0:52:08] } 40. Qb1 { [%eval -4.83] [%clk 0:53:27] } 40... Qb5 { [%eval -4.6] [%clk 0:49:49] } 41. Rc2? { [%eval -8.6] } { Mistake. Qc2 was best. } { [%clk 0:53:45] } 41... Be5? { [%eval -4.6] } { Mistake. fxg3 was best. } { [%clk 0:45:53] } 42. Rc8? { [%eval -9.33] } { Mistake. g4 was best. } { [%clk 0:52:45] } 42... e2 { [%eval -9.24] [%clk 0:42:12] } 43. Qa2? { [%eval #-9] } { Checkmate is now unavoidable. Rc1 was best. } { [%clk 0:51:36] } 43... e1=Q { [%eval #-8] [%clk 0:40:16] } 44. Qg8+ { [%eval #-8] [%clk 0:51:30] } 44... Kh6 { [%eval #-7] [%clk 0:41:11] } 45. Rc5 { [%clk 0:50:15] } 45... Qf2+ { [%clk 0:41:22] } 46. Kh3 { [%clk 0:50:31] } 46... Qd7+ { [%clk 0:41:42] } 0-1