Event: Black Sea Grand Prix | Small Earth
Site: chess24.com
Date: 2021-07-14
White: Naumov, Ivan
WhiteElo: 2081
Black: Demidov, Mikhail
BlackTitle: GM
BlackElo: 2530
Result: 0-1
ECO: D10
Opening: Slav Defense: Exchange Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:55] } 1... d5 { [%eval 0.23] [%clk 1:30:45] } 2. c4 { [%eval 0.0] [%clk 1:31:22] } 2... c6 { [%eval 0.24] [%clk 1:31:12] } 3. cxd5 { [%eval 0.13] [%clk 1:31:30] } 3... cxd5 { [%eval 0.19] [%clk 1:31:36] } 4. Nc3 { [%eval 0.01] [%clk 1:31:59] } 4... Nf6 { [%eval 0.21] [%clk 1:31:59] } 5. Nf3 { [%eval 0.0] [%clk 1:32:18] } 5... Nc6 { [%eval 0.18] [%clk 1:32:24] } 6. Bg5 { [%eval -0.12] [%clk 1:32:45] } 6... Ne4 { [%eval 0.0] [%clk 1:32:33] } 7. e3?! { [%eval -0.82] } { Inaccuracy. Bf4 was best. } { [%clk 1:32:50] } 7... f6 { [%eval -0.75] [%clk 1:32:44] } 8. Bf4 { [%eval -1.21] [%clk 1:32:18] } 8... g5 { [%eval -1.07] [%clk 1:32:53] } 9. Bg3 { [%eval -1.17] [%clk 1:32:48] } 9... h5 { [%eval -1.15] [%clk 1:33:13] } 10. h4 { [%eval -0.75] [%clk 1:32:42] } 10... Nxg3 { [%eval -0.99] [%clk 1:31:16] } 11. fxg3 { [%eval -0.8] [%clk 1:28:07] } 11... Qd6 { [%eval -0.78] [%clk 1:31:18] } 12. Kf2 { [%eval -1.25] [%clk 1:27:52] } 12... g4 { [%eval -1.13] [%clk 1:31:36] } 13. Ng1 { [%eval -1.1] [%clk 1:27:46] } 13... Bh6 { [%eval -1.32] [%clk 1:31:50] } 14. Nge2?! { [%eval -1.99] } { Inaccuracy. Bd3 was best. } { [%clk 1:28:02] } 14... e5?? { [%eval -0.27] } { Blunder. Be6 was best. } { [%clk 1:22:00] } 15. dxe5 { [%eval -0.62] [%clk 1:20:52] } 15... fxe5 { [%eval -0.55] [%clk 1:21:19] } 16. Nxd5?! { [%eval -1.16] } { Inaccuracy. Qxd5 was best. } { [%clk 1:20:37] } 16... O-O+?! { [%eval -0.16] } { Inaccuracy. Rf8+ was best. } { [%clk 1:16:48] } 17. Kg1 { [%eval -0.32] [%clk 1:19:19] } 17... Qc5 { [%eval 0.0] [%clk 1:16:19] } 18. Nec3 { [%eval -0.18] [%clk 1:14:39] } 18... Bxe3+?? { [%eval 2.88] } { Blunder. Be6 was best. } { [%clk 1:15:21] } 19. Nxe3?? { [%eval 0.4] } { Blunder. Kh2 was best. } { [%clk 1:10:01] } 19... Qxe3+ { [%eval 0.65] [%clk 1:15:26] } 20. Kh2 { [%eval 0.47] [%clk 1:10:25] } 20... Be6 { [%eval 0.49] [%clk 1:13:48] } 21. Bb5 { [%eval 0.05] [%clk 1:02:40] } 21... Rf2?? { [%eval 2.16] } { Blunder. Nd4 was best. } { [%clk 1:03:59] } 22. Rf1? { [%eval 0.94] } { Mistake. Bxc6 was best. } { [%clk 0:55:57] } 22... Rd8 { [%eval 0.66] [%clk 0:58:17] } 23. Qe1?! { [%eval -0.3] } { Inaccuracy. Rxf2 was best. } { [%clk 0:50:45] } 23... Qxe1 { [%eval -0.2] [%clk 0:56:24] } 24. Raxe1 { [%eval -0.25] [%clk 0:49:35] } 24... Rxf1 { [%eval -0.35] [%clk 0:56:32] } 25. Bxf1 { [%eval -0.51] [%clk 0:49:20] } 25... a6 { [%eval -0.39] [%clk 0:55:59] } 26. b3 { [%eval -0.32] [%clk 0:40:26] } 26... Kg7 { [%eval -0.55] [%clk 0:54:56] } 27. Rd1?! { [%eval -1.08] } { Inaccuracy. Ne4 was best. } { [%clk 0:40:40] } 27... Nd4 { [%eval -0.93] [%clk 0:54:01] } 28. Re1 { [%eval -1.31] [%clk 0:37:18] } 28... Rc8 { [%eval -1.15] [%clk 0:53:45] } 29. Ne2?? { [%eval -3.38] } { Blunder. Ne4 was best. } { [%clk 0:36:33] } 29... Nc2 { [%eval -3.51] [%clk 0:52:45] } 30. Rc1 { [%eval -3.28] [%clk 0:36:36] } 30... Bf5 { [%eval -3.08] [%clk 0:52:41] } 31. Kg1 { [%eval -2.8] [%clk 0:36:39] } 31... b5 { [%eval -2.79] [%clk 0:49:41] } 32. Rd1 { [%eval -2.66] [%clk 0:34:29] } 32... Ne3 { [%eval -3.62] [%clk 0:46:25] } 33. Rc1?! { [%eval -5.67] } { Inaccuracy. Rd2 was best. } { [%clk 0:33:56] } 33... Nc2?? { [%eval -2.8] } { Blunder. Rxc1 was best. } { [%clk 0:46:19] } 34. Rd1 { [%eval -4.08] [%clk 0:34:25] } 34... b4?! { [%eval -2.69] } { Inaccuracy. Ne3 was best. } { [%clk 0:44:07] } 35. Rd6 { [%eval -2.56] [%clk 0:29:00] } 35... Ne3 { [%eval -2.69] [%clk 0:42:19] } 36. Rd2? { [%eval -5.17] } { Mistake. Rxa6 was best. } { [%clk 0:28:05] } 36... Rc2 { [%eval -6.39] [%clk 0:38:31] } 37. Rxc2 { [%eval -5.94] [%clk 0:27:46] } 37... Bxc2 { [%eval -5.95] [%clk 0:38:54] } 38. Nc1 { [%eval -6.7] [%clk 0:27:23] } 38... Nxf1 { [%eval -6.15] [%clk 0:39:16] } 39. Kxf1 { [%eval -6.0] [%clk 0:27:52] } 39... Kf6 { [%eval -6.33] [%clk 0:39:26] } 40. Ke2 { [%eval -5.96] [%clk 0:28:08] } 40... Ke6 { [%eval -6.34] [%clk 0:39:39] } 41. Ke3 { [%eval -6.39] [%clk 0:27:24] } 41... Kd5 { [%eval -6.23] [%clk 0:39:37] } 42. Ne2 { [%eval -6.46] [%clk 0:26:56] } 42... a5 { [%eval -7.62] [%clk 0:39:04] } 43. Nc1 { [%eval -7.37] [%clk 0:26:59] } 43... Be4 { [%eval -7.38] [%clk 0:39:03] } 44. Kd2 { [%eval -8.0] [%clk 0:24:53] } 44... Bxg2 { [%eval -7.92] [%clk 0:39:13] } 45. Nd3 { [%eval -8.08] [%clk 0:25:21] } 45... Kd4 { [%eval -7.91] [%clk 0:38:16] } 46. Nb2 { [%eval -7.83] [%clk 0:24:16] } 46... Bf1 { [%eval -8.41] [%clk 0:38:20] } 47. Na4 { [%eval -8.0] [%clk 0:23:44] } 47... e4 { [%eval -8.03] [%clk 0:38:06] } 0-1