Event: Round 9: Vignesh Advaith Vemula - Utsab Chatterjee
Site: https://lichess.org/broadcast/62nd-indian-national-championship-2025/round-9/VCgEXZJu/aI8q7GIg
Date: 2025-09-29
White: Vignesh Advaith Vemula
WhiteElo: 2431
Black: Utsab Chatterjee
BlackTitle: IM
BlackElo: 2299
Result: 1-0
ECO: B90
Opening: Sicilian Defense: Najdorf Variation
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:55] } 1... c5 { [%eval 0.24] [%clk 1:30:05] } 2. Nf3 { [%eval 0.2] [%clk 1:31:19] } 2... d6 { [%eval 0.31] [%clk 1:30:28] } 3. d4 { [%eval 0.22] [%clk 1:31:45] } 3... cxd4 { [%eval 0.19] [%clk 1:30:54] } 4. Nxd4 { [%eval 0.18] [%clk 1:32:10] } 4... Nf6 { [%eval 0.31] [%clk 1:31:20] } 5. Nc3 { [%eval 0.32] [%clk 1:32:35] } 5... a6 { [%eval 0.25] [%clk 1:31:46] } 6. Nb3 { [%eval 0.0] [%clk 1:32:51] } 6... e6 { [%eval 0.06] [%clk 1:22:19] } 7. g4 { [%eval 0.0] [%clk 1:33:15] } 7... b5 { [%eval 0.0] [%clk 1:22:38] } 8. a3 { [%eval -0.02] [%clk 1:33:39] } 8... Bb7 { [%eval 0.1] [%clk 1:22:17] } 9. Bg2 { [%eval 0.0] [%clk 1:34:03] } 9... h6 { [%eval 0.42] [%clk 1:22:35] } 10. h4 { [%eval 0.27] [%clk 1:33:39] } 10... Be7 { [%eval 0.36] [%clk 1:21:07] } 11. g5 { [%eval 0.36] [%clk 1:33:27] } 11... hxg5 { [%eval 0.53] [%clk 1:20:59] } 12. hxg5 { [%eval 0.41] [%clk 1:33:53] } 12... Rxh1+ { [%eval 0.43] [%clk 1:21:24] } 13. Bxh1 { [%eval 0.46] [%clk 1:34:20] } 13... Nfd7 { [%eval 0.41] [%clk 1:20:54] } 14. f4 { [%eval 0.52] [%clk 1:33:35] } 14... Nc6 { [%eval 0.46] [%clk 1:14:42] } 15. Be3 { [%eval 0.49] [%clk 1:33:53] } 15... Nb6 { [%eval 0.92] [%clk 1:13:24] } 16. Qe2 { [%eval 0.79] [%clk 1:32:56] } 16... Nc4 { [%eval 1.11] [%clk 1:12:50] } 17. O-O-O { [%eval 1.2] [%clk 1:33:20] } 17... Qc7 { [%eval 1.13] [%clk 1:12:33] } 18. g6?! { [%eval 0.56] } { Inaccuracy. Bg1 was best. } { [%clk 1:18:51] } 18... fxg6 { [%eval 0.49] [%clk 1:04:20] } 19. Bf2 { [%eval 0.65] [%clk 1:18:36] } 19... O-O-O { [%eval 0.79] [%clk 0:57:26] } 20. a4 { [%eval 1.19] [%clk 1:05:19] } 20... N6a5?? { [%eval 3.64] } { Blunder. Kb8 was best. } { [%clk 0:38:52] } 21. axb5 { [%eval 3.43] [%clk 1:04:48] } 21... d5?! { [%eval 4.56] } { Inaccuracy. Nxb2 was best. } { [%clk 0:28:03] } 22. exd5 { [%eval 4.69] [%clk 1:04:10] } 22... Bb4 { [%eval 4.86] [%clk 0:28:24] } 23. Nxa5 { [%eval 5.49] [%clk 1:01:20] } 23... Bxa5 { [%eval 5.28] [%clk 0:26:34] } 24. bxa6 { [%eval 5.13] [%clk 1:00:25] } 24... Qxf4+ { [%eval 5.87] [%clk 0:23:13] } 25. Kb1 { [%eval 5.74] [%clk 1:00:30] } 25... Bxa6 { [%eval 7.15] [%clk 0:23:37] } 26. Qxe6+ { [%eval 7.15] [%clk 1:00:51] } 26... Kb7? { [%eval #7] } { Checkmate is now unavoidable. Rd7 was best. } { [%clk 0:24:05] } 27. Qc6+ { [%eval 6.57] [%clk 1:00:44] } 1-0