Event: Round 2: Gupta, Akul - Koppenens, Oscar
Date: 2025-04-27
White: Gupta, Akul
WhiteElo: 1906
Black: Koppenens, Oscar
BlackElo: 2024
Result: 1-0
ECO: B40
Opening: Sicilian Defense: Four Knights Variation
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:59] } 1... c5 { [%eval 0.25] [%clk 1:30:57] } 2. Nf3 { [%eval 0.2] [%clk 1:31:25] } 2... e6 { [%eval 0.28] [%clk 1:31:18] } 3. d4 { [%eval 0.4] [%clk 1:31:50] } 3... cxd4 { [%eval 0.29] [%clk 1:31:44] } 4. Nxd4 { [%eval 0.23] [%clk 1:32:16] } 4... Nf6 { [%eval 0.29] [%clk 1:32:09] } 5. Nc3 { [%eval 0.21] [%clk 1:32:38] } 5... Nc6 { [%eval 0.35] [%clk 1:32:36] } 6. Ndb5 { [%eval 0.25] [%clk 1:32:59] } 6... Bb4 { [%eval 0.31] [%clk 1:32:03] } 7. a3 { [%eval 0.23] [%clk 1:32:22] } 7... Bxc3+ { [%eval 0.29] [%clk 1:32:29] } 8. Nxc3 { [%eval 0.21] [%clk 1:32:41] } 8... d5 { [%eval 0.19] [%clk 1:32:28] } 9. exd5 { [%eval 0.24] [%clk 1:30:48] } 9... exd5 { [%eval 0.19] [%clk 1:32:44] } 10. Bd3 { [%eval 0.22] [%clk 1:29:17] } 10... O-O { [%eval 0.19] [%clk 1:33:07] } 11. O-O { [%eval 0.27] [%clk 1:29:36] } 11... Bg4 { [%eval 0.26] [%clk 1:33:24] } 12. f3 { [%eval 0.16] [%clk 1:27:57] } 12... Bh5 { [%eval 0.25] [%clk 1:33:49] } 13. Bg5 { [%eval 0.17] [%clk 1:23:13] } 13... Qb6+ { [%eval 0.21] [%clk 1:33:11] } 14. Kh1 { [%eval 0.23] [%clk 1:22:46] } 14... Ne4 { [%eval 0.15] [%clk 1:33:25] } 15. Nxe4 { [%eval 0.17] [%clk 1:15:04] } 15... dxe4 { [%eval 0.18] [%clk 1:33:49] } 16. Bxe4 { [%eval 0.28] [%clk 1:15:20] } 16... Qxb2 { [%eval 1.67] [%clk 1:33:30] } 17. Rb1 { [%eval -3.58] [%clk 1:12:37] } 17... Qxa3?? { [%eval 6.19] } { Blunder. Qxg5 was best. } { [%clk 1:33:33] } 18. Rxb7?? { [%eval 0.19] } { Blunder. cxb3 was best. } { [%clk 1:12:53] } 18... Qa6 { [%eval 0.13] [%clk 1:32:50] } 19. Rd7 { [%eval 0.13] [%clk 1:02:21] } 19... Bg6 { [%eval 0.21] [%clk 1:29:18] } 20. Re1 { [%eval 0.0] [%clk 0:53:04] } 20... Rfe8 { [%eval 0.0] [%clk 1:25:19] } 21. h3 { [%eval 0.0] [%clk 0:48:52] } 21... Bxe4 { [%eval 0.3] [%clk 1:23:30] } 22. Rxe4 { [%eval 0.0] [%clk 0:47:27] } 22... Rxe4 { [%eval 0.0] [%clk 1:21:12] } 23. fxe4 { [%eval 0.0] [%clk 0:47:06] } 23... Rf8 { [%eval 0.0] [%clk 1:17:08] } 24. Qd5 { [%eval -0.01] [%clk 0:41:40] } 24... Qc8 { [%eval 0.1] [%clk 1:11:52] } 25. Qd6 { [%eval 0.0] [%clk 0:38:09] } 25... Nb4? { [%eval 1.41] } { Mistake. h6 was best. } { [%clk 1:04:03] } 26. c3? { [%eval 0.13] } { Mistake. Bf4 was best. } { [%clk 0:28:52] } 26... Na2?? { [%eval 3.51] } { Blunder. Qa6 was best. } { [%clk 0:52:23] } 27. c4?! { [%eval 2.37] } { Inaccuracy. Be7 was best. } { [%clk 0:28:38] } 27... Nc3?! { [%eval 3.23] } { Inaccuracy. Nc2 was best. } { [%clk 0:52:02] } 28. Qd4?? { [%eval 0.0] } { Blunder. e5 was best. } { [%clk 0:21:32] } 28... Nxe4 { [%eval 0.0] [%clk 0:37:41] } 29. Be7 { [%eval 0.0] [%clk 0:19:21] } 29... Re8 { [%eval 0.0] [%clk 0:38:04] } 30. Rxa7 { [%eval -0.09] [%clk 0:11:14] } 30... Qb8 { [%eval -0.05] [%clk 0:37:13] } 31. Bh4?? { [%eval -2.51] } { Blunder. Bh4 was best. } { [%clk 0:09:32] } 31... Qf4?? { [%eval 0.0] } { Blunder. Ng3+ was best. } { [%clk 0:36:13] } 32. Re7 { [%eval -0.15] [%clk 0:08:31] } 32... Qb8?? { [%eval 4.38] } { Blunder. h6 was best. } { [%clk 0:13:45] } 33. Qxe4 { [%eval 4.36] [%clk 0:08:38] } 33... Rd8?! { [%eval 5.57] } { Inaccuracy. Qf1+ was best. } { [%clk 0:14:12] } 34. Bg3 { [%eval 5.43] [%clk 0:07:00] } 34... Qc8 { [%eval 5.63] [%clk 0:13:39] } 35. Rc7 { [%eval 5.59] [%clk 0:06:40] } 35... Qa6 { [%eval 5.57] [%clk 0:09:09] } 36. Qe7 { [%eval 5.61] [%clk 0:06:41] } 36... Qa1+ { [%eval 5.57] [%clk 0:08:50] } 37. Kh2 { [%eval 5.53] [%clk 0:06:33] } 37... Ra8 { [%eval 6.51] [%clk 0:08:18] } 38. Be5 { [%eval 5.94] [%clk 0:06:44] } 38... Qf1?? { [%eval #8] } { Checkmate is now unavoidable. Qf6 was best. } { [%clk 0:08:40] } 39. Qg5 { [%eval #10] [%clk 0:06:49] } 39... g6 { [%eval #6] [%clk 0:08:16] } 40. Qh6 { [%eval #5] [%clk 0:07:12] } 40... Ra2 { [%eval #5] [%clk 0:08:12] } 41. Qg7# { [%eval #4] [%clk 0:07:29] } 1-0