Event: Round 9: Vaz, Ethan - Naiditsch, Arkadij
Date: 2025-07-29
White: Vaz, Ethan
WhiteTitle: IM
WhiteElo: 2429
Black: Naiditsch, Arkadij
BlackTitle: GM
BlackElo: 2629
Result: 0-1
ECO: B22
Opening: Sicilian Defense: Alapin Variation, Smith-Morra Declined
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:29:42] } 1... c5 { [%eval 0.25] [%clk 1:30:53] } 2. c3 { [%eval 0.0] [%clk 1:29:28] } 2... Nf6 { [%eval 0.02] [%clk 1:31:12] } 3. e5 { [%eval 0.07] [%clk 1:29:54] } 3... Nd5 { [%eval 0.1] [%clk 1:31:33] } 4. d4 { [%eval 0.0] [%clk 1:30:20] } 4... cxd4 { [%eval 0.0] [%clk 1:31:34] } 5. cxd4 { [%eval 0.0] [%clk 1:30:43] } 5... d6 { [%eval 0.0] [%clk 1:31:01] } 6. Nf3 { [%eval 0.0] [%clk 1:31:11] } 6... Nc6 { [%eval 0.0] [%clk 1:30:36] } 7. Bc4 { [%eval 0.0] [%clk 1:31:35] } 7... dxe5 { [%eval 0.07] [%clk 1:30:16] } 8. dxe5 { [%eval 0.22] [%clk 1:31:44] } 8... Ndb4 { [%eval 0.01] [%clk 1:30:09] } 9. O-O { [%eval 0.11] [%clk 1:30:32] } 9... Qxd1 { [%eval 0.16] [%clk 1:24:11] } 10. Rxd1 { [%eval 0.23] [%clk 1:31:01] } 10... Bg4 { [%eval 0.37] [%clk 1:24:13] } 11. Nc3 { [%eval 0.12] [%clk 1:29:52] } 11... e6 { [%eval 0.13] [%clk 1:17:57] } 12. Be2 { [%eval 0.12] [%clk 1:12:35] } 12... Be7 { [%eval 0.32] [%clk 1:09:01] } 13. Bf4 { [%eval 0.29] [%clk 1:01:23] } 13... Rd8 { [%eval 0.33] [%clk 1:01:26] } 14. Rxd8+ { [%eval 0.36] [%clk 0:48:05] } 14... Kxd8?! { [%eval 1.18] } { Inaccuracy. Bxd8 was best. } { [%clk 1:01:25] } 15. a3?! { [%eval 0.25] } { Inaccuracy. Ng5 was best. } { [%clk 0:43:22] } 15... Nc2 { [%eval 0.35] [%clk 0:57:44] } 16. Rc1 { [%eval 0.1] [%clk 0:29:33] } 16... Bxf3 { [%eval 0.13] [%clk 0:57:15] } 17. Bxf3 { [%eval 0.2] [%clk 0:29:51] } 17... N2d4 { [%eval 0.28] [%clk 0:57:37] } 18. Be4 { [%eval 0.14] [%clk 0:27:45] } 18... Nb3 { [%eval 0.14] [%clk 0:57:12] } 19. Rd1+ { [%eval 0.2] [%clk 0:26:13] } 19... Kc8 { [%eval 0.2] [%clk 0:57:28] } 20. Bxc6 { [%eval 0.29] [%clk 0:22:58] } 20... bxc6 { [%eval 0.27] [%clk 0:56:05] } 21. Kf1 { [%eval 0.25] [%clk 0:18:56] } 21... Kc7 { [%eval 0.29] [%clk 0:55:54] } 22. Ke2 { [%eval 0.0] [%clk 0:17:45] } 22... Rb8 { [%eval 0.0] [%clk 0:55:32] } 23. Kd3 { [%eval 0.0] [%clk 0:16:20] } 23... c5 { [%eval 0.0] [%clk 0:52:51] } 24. Be3 { [%eval -0.01] [%clk 0:12:37] } 24... Na5 { [%eval 0.0] [%clk 0:52:36] } 25. Kc2 { [%eval 0.0] [%clk 0:11:19] } 25... Kc6 { [%eval -0.01] [%clk 0:47:47] } 26. f4 { [%eval -0.02] [%clk 0:09:11] } 26... f5 { [%eval 0.0] [%clk 0:43:11] } 27. Nb1 { [%eval -0.1] [%clk 0:04:27] } 27... Nc4 { [%eval -0.05] [%clk 0:31:51] } 28. Bc1 { [%eval -0.09] [%clk 0:04:56] } 28... Nb6 { [%eval -0.09] [%clk 0:32:00] } 29. Nd2?! { [%eval -0.69] } { Inaccuracy. Nc3 was best. } { [%clk 0:04:39] } 29... a5 { [%eval -0.45] [%clk 0:31:45] } 30. a4 { [%eval -0.82] [%clk 0:02:48] } 30... Nxa4 { [%eval -0.79] [%clk 0:23:51] } 31. Nb3? { [%eval -2.06] } { Mistake. Nc4 was best. } { [%clk 0:02:22] } 31... Rb5 { [%eval -1.81] [%clk 0:21:32] } 32. Bd2?! { [%eval -3.06] } { Inaccuracy. Rd3 was best. } { [%clk 0:02:01] } 32... Nxb2 { [%eval -2.8] [%clk 0:20:44] } 33. Ra1?! { [%eval -4.17] } { Inaccuracy. Nxa5+ was best. } { [%clk 0:01:48] } 33... a4 { [%eval -4.88] [%clk 0:16:10] } 34. Na5+ { [%eval -4.66] [%clk 0:02:07] } 34... Kd5 { [%eval -4.61] [%clk 0:16:26] } 35. Ra2 { [%eval -4.33] [%clk 0:00:38] } 35... a3 { [%eval -4.57] [%clk 0:16:42] } 36. Rxa3 { [%eval -4.46] [%clk 0:00:56] } 36... c4 { [%eval -4.55] [%clk 0:16:58] } 37. Rg3 { [%eval -4.76] [%clk 0:00:35] } 37... Bf8 { [%eval -4.63] [%clk 0:16:03] } 38. Rh3 { [%eval -4.7] [%clk 0:00:34] } 38... h6 { [%eval -4.81] [%clk 0:15:58] } 39. Rg3 { [%eval -4.99] [%clk 0:00:32] } 39... Na4 { [%eval -4.99] [%clk 0:16:07] } 40. Be1 { [%eval -5.85] [%clk 0:00:31] } 40... Rb2+ { [%eval -5.85] [%clk 0:15:43] } 41. Kc1 { [%eval -6.14] [%clk 0:00:35] } 41... Ra2 { [%eval -5.96] [%clk 0:15:43] } 42. Re3?! { [%eval -7.99] } { Inaccuracy. Nxc4 was best. } { [%clk 0:00:31] } 42... Bc5 { [%eval -7.47] [%clk 0:15:28] } 43. Rg3 { [%eval -8.27] [%clk 0:00:35] } 43... Ra1+ { [%eval -8.0] [%clk 0:15:44] } 44. Kc2 { [%eval -8.37] [%clk 0:01:00] } 44... Rxe1 { [%eval -8.26] [%clk 0:15:58] } 45. Rxg7? { [%eval #-4] } { Checkmate is now unavoidable. Nb7 was best. } { [%clk 0:01:14] } 45... Re2+ { [%eval #-3] [%clk 0:16:13] } 0-1