Event: Round 5: Sivakumar, Shaaketh - Herega, Nejc
Date: 2025-04-16
White: Sivakumar, Shaaketh
WhiteTitle: FM
WhiteElo: 2204
Black: Herega, Nejc
BlackTitle: CM
BlackElo: 2282
Result: 0-1
ECO: D77
Opening: Neo-Grünfeld Defense: Classical Variation, Modern Defense
Variant: Standard
TimeControl: 5+3

1. d4 { [%eval 0.17] [%clk 0:05:05] } 1... Nf6 { [%eval 0.19] [%clk 0:05:05] } 2. Nf3 { [%eval 0.13] [%clk 0:05:07] } 2... g6 { [%eval 0.22] [%clk 0:05:06] } 3. g3 { [%eval 0.0] [%clk 0:05:05] } 3... Bg7 { [%eval 0.2] [%clk 0:05:05] } 4. Bg2 { [%eval 0.07] [%clk 0:05:08] } 4... d5 { [%eval 0.1] [%clk 0:05:05] } 5. O-O { [%eval 0.18] [%clk 0:05:09] } 5... O-O { [%eval 0.1] [%clk 0:05:06] } 6. c4 { [%eval 0.08] [%clk 0:05:11] } 6... dxc4 { [%eval 0.15] [%clk 0:04:51] } 7. Qa4 { [%eval -0.02] [%clk 0:04:48] } 7... a6 { [%eval 0.27] [%clk 0:04:21] } 8. Qxc4 { [%eval 0.37] [%clk 0:04:46] } 8... b5 { [%eval 0.39] [%clk 0:04:23] } 9. Qc2 { [%eval 0.12] [%clk 0:04:11] } 9... Bb7 { [%eval 0.32] [%clk 0:04:21] } 10. a4 { [%eval 0.18] [%clk 0:04:09] } 10... Nbd7 { [%eval 0.26] [%clk 0:03:59] } 11. Na3?! { [%eval -0.29] } { Inaccuracy. Nbd2 was best. } { [%clk 0:04:07] } 11... Be4 { [%eval -0.31] [%clk 0:03:42] } 12. Qd1 { [%eval -0.29] [%clk 0:04:01] } 12... Rb8 { [%eval -0.14] [%clk 0:03:43] } 13. Bf4 { [%eval -0.65] [%clk 0:03:58] } 13... Nd5 { [%eval -0.59] [%clk 0:03:40] } 14. Bd2?! { [%eval -1.33] } { Inaccuracy. axb5 was best. } { [%clk 0:03:50] } 14... c5 { [%eval -0.86] [%clk 0:03:36] } 15. e3?! { [%eval -1.47] } { Inaccuracy. axb5 was best. } { [%clk 0:03:29] } 15... c4 { [%eval -0.92] [%clk 0:02:24] } 16. Ne1 { [%eval -0.87] [%clk 0:03:12] } 16... Bxg2 { [%eval -1.0] [%clk 0:02:19] } 17. Nxg2 { [%eval -0.79] [%clk 0:03:10] } 17... Qb6 { [%eval -0.47] [%clk 0:02:03] } 18. Rc1?! { [%eval -1.52] } { Inaccuracy. e4 was best. } { [%clk 0:03:05] } 18... Rfc8?! { [%eval -0.91] } { Inaccuracy. e5 was best. } { [%clk 0:02:04] } 19. Kh1? { [%eval -2.16] } { Mistake. e4 was best. } { [%clk 0:02:39] } 19... Qb7 { [%eval -1.74] [%clk 0:01:58] } 20. Kg1 { [%eval -2.06] [%clk 0:02:31] } 20... e6?! { [%eval -1.29] } { Inaccuracy. e5 was best. } { [%clk 0:01:45] } 21. Ba5?! { [%eval -2.42] } { Inaccuracy. e4 was best. } { [%clk 0:02:19] } 21... Bf8 { [%eval -2.46] [%clk 0:01:37] } 22. Be1?! { [%eval -3.79] } { Inaccuracy. Nb1 was best. } { [%clk 0:01:52] } 22... N7f6? { [%eval -2.29] } { Mistake. c3 was best. } { [%clk 0:01:33] } 23. Qf3? { [%eval -4.09] } { Mistake. Qe2 was best. } { [%clk 0:01:44] } 23... Be7?? { [%eval -1.75] } { Blunder. c3 was best. } { [%clk 0:01:23] } 24. Qe2 { [%eval -1.89] [%clk 0:01:34] } 24... Qd7?! { [%eval -1.27] } { Inaccuracy. Bxa3 was best. } { [%clk 0:01:23] } 25. Bd2?? { [%eval -4.24] } { Blunder. axb5 was best. } { [%clk 0:01:26] } 25... c3 { [%eval -4.4] [%clk 0:00:57] } 26. Be1 { [%eval -4.66] [%clk 0:01:17] } 26... cxb2 { [%eval -4.48] [%clk 0:00:55] } 27. Rxc8+ { [%eval -4.39] [%clk 0:01:17] } 27... Qxc8 { [%eval -4.79] [%clk 0:00:53] } 28. Qxb2 { [%eval -4.76] [%clk 0:01:13] } 28... bxa4 { [%eval -4.72] [%clk 0:00:56] } 29. Qa1 { [%eval -4.79] [%clk 0:01:05] } 29... Ne4 { [%eval -4.64] [%clk 0:00:53] } 30. Nb1 { [%eval -5.44] [%clk 0:00:57] } 30... Qc2 { [%eval -5.46] [%clk 0:00:46] } 31. Ba5 { [%eval -5.71] [%clk 0:00:45] } 31... Nxf2 { [%eval -5.46] [%clk 0:00:48] } 32. Na3?! { [%eval -7.39] } { Inaccuracy. Nd2 was best. } { [%clk 0:00:25] } 32... Bxa3 { [%eval -7.29] [%clk 0:00:40] } 33. Qxa3 { [%eval -8.56] [%clk 0:00:24] } 33... Rb2 { [%eval -8.45] [%clk 0:00:42] } 34. Qxb2 { [%eval -8.31] [%clk 0:00:11] } 34... Nh3+ { [%eval -8.23] [%clk 0:00:44] } 35. Kh1 { [%eval -8.42] [%clk 0:00:13] } 35... Qxb2 { [%eval -8.24] [%clk 0:00:47] } 36. Be1 { [%eval -10.3] [%clk 0:00:14] } 36... a3 { [%eval -10.21] [%clk 0:00:45] } 37. e4?! { [%eval #-7] } { Checkmate is now unavoidable. Bb4 was best. } { [%clk 0:00:16] } 37... a2? { [%eval -9.96] } { Lost forced checkmate sequence. Qe2 was best. } { [%clk 0:00:43] } 38. exd5? { [%eval #-7] } { Checkmate is now unavoidable. Bb4 was best. } { [%clk 0:00:18] } 38... a1=Q { [%eval #-6] [%clk 0:00:42] } 39. d6 { [%eval #-4] [%clk 0:00:20] } 39... Qxd4 { [%eval #-6] [%clk 0:00:36] } 40. d7 { [%clk 0:00:22] } 40... Qxd7 { [%clk 0:00:38] } 41. Ne3 { [%clk 0:00:23] } 41... Qd3 { [%clk 0:00:37] } 42. Bd2 { [%clk 0:00:23] } 42... Qdxf1+ { [%clk 0:00:38] } 43. Nxf1 { [%clk 0:00:25] } 43... Qxf1# { [%clk 0:00:39] } 0-1