Event: Round 1: Anup Kumar Rai - Roy Chowdhury, Saptarshi
Date: 2025-04-20
White: Anup Kumar Rai
Black: Roy Chowdhury, Saptarshi
BlackTitle: GM
BlackElo: 2297
Result: 0-1
ECO: B00
Opening: Owen Defense
Variant: Standard
TimeControl: 10+5

1. e4 { [%eval 0.18] [%clk 0:10:07] } 1... b6?! { [%eval 0.93] } { Inaccuracy. e5 was best. } { [%clk 0:10:09] } 2. Nf3 { [%eval 0.45] [%clk 0:10:09] } 2... Bb7 { [%eval 0.52] [%clk 0:10:13] } 3. d3 { [%eval 0.15] [%clk 0:10:10] } 3... e6 { [%eval 0.12] [%clk 0:10:17] } 4. Be2 { [%eval 0.14] [%clk 0:10:06] } 4... d6 { [%eval 0.14] [%clk 0:10:19] } 5. Be3 { [%eval 0.11] [%clk 0:10:05] } 5... Nd7 { [%eval 0.36] [%clk 0:10:22] } 6. Nc3 { [%eval -0.12] [%clk 0:10:05] } 6... g6 { [%eval 0.18] [%clk 0:10:26] } 7. O-O { [%eval 0.25] [%clk 0:10:01] } 7... Bg7 { [%eval 0.12] [%clk 0:10:30] } 8. Qd2 { [%eval 0.27] [%clk 0:09:57] } 8... h6 { [%eval 0.52] [%clk 0:10:33] } 9. h3 { [%eval 0.21] [%clk 0:09:58] } 9... Ne7 { [%eval 0.21] [%clk 0:10:35] } 10. Rad1 { [%eval 0.05] [%clk 0:09:49] } 10... a6 { [%eval 0.3] [%clk 0:10:39] } 11. Nh2 { [%eval 0.17] [%clk 0:09:33] } 11... b5 { [%eval 0.26] [%clk 0:10:39] } 12. a3 { [%eval 0.25] [%clk 0:09:31] } 12... Qc8 { [%eval 0.58] [%clk 0:10:21] } 13. f4 { [%eval 0.1] [%clk 0:09:13] } 13... f5 { [%eval 0.18] [%clk 0:10:25] } 14. Bf3 { [%eval 0.19] [%clk 0:09:02] } 14... O-O { [%eval 0.21] [%clk 0:10:21] } 15. b4 { [%eval -0.11] [%clk 0:08:07] } 15... c5 { [%eval -0.1] [%clk 0:10:22] } 16. Ne2 { [%eval -0.15] [%clk 0:07:53] } 16... Qc7 { [%eval -0.11] [%clk 0:09:53] } 17. Ng3 { [%eval -0.48] [%clk 0:06:58] } 17... Rac8 { [%eval -0.04] [%clk 0:09:54] } 18. c3 { [%eval -0.41] [%clk 0:06:30] } 18... a5 { [%eval -0.1] [%clk 0:09:51] } 19. bxc5?! { [%eval -0.9] } { Inaccuracy. Bf2 was best. } { [%clk 0:06:18] } 19... Nxc5 { [%eval -0.65] [%clk 0:09:55] } 20. exf5 { [%eval -0.81] [%clk 0:06:03] } 20... exf5 { [%eval -0.86] [%clk 0:09:59] } 21. Bxc5 { [%eval -1.05] [%clk 0:05:50] } 21... Qxc5+ { [%eval -0.96] [%clk 0:10:02] } 22. d4 { [%eval -0.91] [%clk 0:05:47] } 22... Qb6 { [%eval -0.98] [%clk 0:10:02] } 23. Bxb7 { [%eval -1.25] [%clk 0:05:38] } 23... Qxb7 { [%eval -1.36] [%clk 0:10:06] } 24. Rfe1 { [%eval -1.4] [%clk 0:05:27] } 24... Nd5 { [%eval -1.4] [%clk 0:10:10] } 25. Rc1 { [%eval -1.46] [%clk 0:05:08] } 25... Rfe8 { [%eval -1.4] [%clk 0:09:46] } 26. Rxe8+ { [%eval -1.38] [%clk 0:05:07] } 26... Rxe8 { [%eval -1.3] } 27. c4?? { [%eval -3.39] } { Blunder. Nf3 was best. } { [%clk 0:04:40] } 27... bxc4 { [%eval -3.36] [%clk 0:09:43] } 28. Rxc4?! { [%eval -5.23] } { Inaccuracy. Nf3 was best. } { [%clk 0:04:44] } 28... Qb3 { [%eval -5.32] [%clk 0:09:42] } 29. Rc6 { [%eval -5.26] [%clk 0:02:27] } 29... Qxg3 { [%eval -5.2] [%clk 0:09:38] } 30. Qxa5?? { [%eval #-7] } { Checkmate is now unavoidable. Nf1 was best. } { [%clk 0:02:25] } 30... Re1+ { [%eval #-8] [%clk 0:09:22] } 31. Nf1 { [%eval #-2] [%clk 0:02:15] } 31... Bxd4+ { [%eval #-1] [%clk 0:09:25] } 0-1