Event: Round 4: Tabatabaei, M. Amin - Grebnev, Aleksey
Date: 2025-05-20
White: Tabatabaei, M. Amin
WhiteTitle: GM
WhiteElo: 2670
Black: Grebnev, Aleksey
BlackTitle: GM
BlackElo: 2556
Result: 1-0
ECO: D35
Opening: Queen's Gambit Declined: Exchange Variation, Positional Variation
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:59] } 1... Nf6 { [%eval 0.19] [%clk 1:30:50] } 2. c4 { [%eval 0.18] [%clk 1:31:24] } 2... e6 { [%eval 0.14] [%clk 1:31:16] } 3. Nc3 { [%eval 0.09] [%clk 1:31:49] } 3... d5 { [%eval 0.24] [%clk 1:31:41] } 4. cxd5 { [%eval 0.22] [%clk 1:32:12] } 4... exd5 { [%eval 0.2] [%clk 1:32:07] } 5. Bg5 { [%eval 0.21] [%clk 1:32:33] } 5... c6 { [%eval 0.28] [%clk 1:32:32] } 6. e3 { [%eval 0.19] [%clk 1:32:09] } 6... h6 { [%eval 0.29] [%clk 1:32:55] } 7. Bh4 { [%eval 0.21] [%clk 1:32:30] } 7... Be7 { [%eval 0.23] [%clk 1:33:18] } 8. Bd3 { [%eval 0.31] [%clk 1:32:49] } 8... O-O { [%eval 0.31] [%clk 1:33:39] } 9. Nge2 { [%eval 0.34] [%clk 1:28:31] } 9... Ne8 { [%eval 0.36] [%clk 1:33:55] } 10. Bg3 { [%eval 0.36] [%clk 1:27:13] } 10... Nd6 { [%eval 0.29] [%clk 1:34:17] } 11. h3 { [%eval 0.25] [%clk 1:26:45] } 11... Re8 { [%eval 0.33] [%clk 1:34:21] } 12. O-O { [%eval 0.31] [%clk 1:26:10] } 12... Bf8 { [%eval 0.3] [%clk 1:34:09] } 13. Qc2 { [%eval 0.26] [%clk 1:25:37] } 13... a5 { [%eval 0.27] [%clk 1:32:21] } 14. a3 { [%eval 0.14] [%clk 1:21:00] } 14... Na6 { [%eval 0.31] [%clk 1:31:24] } 15. Kh1 { [%eval 0.18] [%clk 1:19:14] } 15... b5 { [%eval 0.29] [%clk 1:24:32] } 16. Ng1 { [%eval 0.29] [%clk 1:17:48] } 16... Nc4 { [%eval 0.24] [%clk 1:16:00] } 17. Nf3 { [%eval 0.33] [%clk 1:07:18] } 17... Be6 { [%eval 0.4] [%clk 1:09:13] } 18. Ne2 { [%eval 0.44] [%clk 0:58:14] } 18... a4 { [%eval 0.41] [%clk 1:04:44] } 19. Ne5 { [%eval 0.1] [%clk 0:58:05] } 19... Qb6 { [%eval 0.55] [%clk 0:55:08] } 20. Nf4 { [%eval 0.25] [%clk 0:58:21] } 20... Nxe5 { [%eval 0.25] [%clk 0:55:03] } 21. Bh7+ { [%eval 0.28] [%clk 0:58:22] } 21... Kh8 { [%eval 0.34] [%clk 0:55:27] } 22. Nxe6 { [%eval 0.23] [%clk 0:58:44] } 22... Rxe6?! { [%eval 0.79] } { Inaccuracy. Nc4 was best. } { [%clk 0:54:26] } 23. Bxe5 { [%eval 0.88] [%clk 0:55:21] } 23... Ree8 { [%eval 1.03] [%clk 0:31:40] } 24. Bf5 { [%eval 1.19] [%clk 0:44:33] } 24... Rad8 { [%eval 1.47] [%clk 0:31:49] } 25. b3?! { [%eval 0.83] } { Inaccuracy. Qd1 was best. } { [%clk 0:37:04] } 25... axb3 { [%eval 0.74] [%clk 0:27:48] } 26. Qxb3 { [%eval 0.79] [%clk 0:37:27] } 26... Qa5?! { [%eval 1.42] } { Inaccuracy. Kg8 was best. } { [%clk 0:18:27] } 27. Bb1 { [%eval 1.44] [%clk 0:34:20] } 27... Kg8? { [%eval 2.95] } { Mistake. Nc5 was best. } { [%clk 0:15:45] } 28. Qc2 { [%eval 3.0] [%clk 0:33:53] } 28... g6 { [%eval 2.86] [%clk 0:16:11] } 29. Qxc6 { [%eval 2.44] [%clk 0:34:16] } 29... Re6 { [%eval 2.39] [%clk 0:16:37] } 30. Qc2 { [%eval 2.28] [%clk 0:28:39] } 30... b4?! { [%eval 3.16] } { Inaccuracy. Nb4 was best. } { [%clk 0:17:04] } 31. f4 { [%eval 3.12] [%clk 0:27:32] } 31... Rb6?! { [%eval 4.0] } { Inaccuracy. b3 was best. } { [%clk 0:17:30] } 32. f5 { [%eval 3.9] [%clk 0:26:55] } 32... bxa3? { [%eval 6.75] } { Mistake. f6 was best. } { [%clk 0:13:52] } 33. fxg6 { [%eval 6.11] [%clk 0:26:25] } 33... fxg6?? { [%eval #7] } { Checkmate is now unavoidable. f6 was best. } { [%clk 0:14:17] } 34. Qf2 { [%eval #6] [%clk 0:26:16] } 34... Rb7 { [%eval #6] [%clk 0:14:32] } 1-0