Event: World Senior Chess Championship 2024
Site: Porto Santo, Portugal
Date: 2024-11-17
White: Matzat, Andre
WhiteElo: 2065
Black: Piskov, Yury
BlackTitle: GM
BlackElo: 2442
Result: 0-1
ECO: A40
Opening: Horwitz Defense
Variant: Standard
TimeControl: 90'/40+30'/G+30''

1. d4 { [%eval 0.17] [%clk 1:30:52] } 1... e6 { [%eval 0.37] [%clk 1:30:48] } 2. Nf3 { [%eval 0.14] [%clk 1:30:47] } 2... f5 { [%eval 0.48] [%clk 1:31:08] } 3. Bf4 { [%eval 0.46] [%clk 1:30:37] } 3... Nf6 { [%eval 0.39] [%clk 1:31:17] } 4. e3 { [%eval 0.39] [%clk 1:30:38] } 4... Nc6 { [%eval 0.47] [%clk 1:31:33] } 5. Be2 { [%eval 0.4] [%clk 1:28:09] } 5... d6 { [%eval 0.46] [%clk 1:23:40] } 6. O-O { [%eval 0.46] [%clk 1:26:56] } 6... Qe7 { [%eval 0.67] [%clk 1:22:41] } 7. h3 { [%eval 0.37] [%clk 1:23:27] } 7... e5 { [%eval 0.49] [%clk 1:19:55] } 8. Bh2 { [%eval 0.52] [%clk 1:23:09] } 8... e4 { [%eval 0.43] [%clk 1:15:38] } 9. Nfd2 { [%eval 0.49] [%clk 1:23:00] } 9... g6 { [%eval 0.63] [%clk 1:15:48] } 10. c4 { [%eval 0.66] [%clk 1:23:07] } 10... Bg7 { [%eval 0.65] [%clk 1:15:44] } 11. Nc3 { [%eval 0.63] [%clk 1:23:00] } 11... O-O { [%eval 0.71] [%clk 1:15:09] } 12. Nd5 { [%eval 0.43] [%clk 1:15:30] } 12... Qf7 { [%eval 0.52] [%clk 1:13:16] } 13. f3 { [%eval 0.22] [%clk 1:11:05] } 13... Nxd5 { [%eval 0.16] [%clk 1:08:46] } 14. cxd5 { [%eval 0.13] [%clk 1:11:11] } 14... exf3 { [%eval 0.24] [%clk 1:08:30] } 15. Bxf3 { [%eval 0.19] [%clk 1:08:58] } 15... Nb4 { [%eval 0.72] [%clk 1:01:01] } 16. Qb3 { [%eval 0.69] [%clk 1:08:45] } 16... a5 { [%eval 0.65] [%clk 1:01:05] } 17. a3 { [%eval 0.65] [%clk 1:08:50] } 17... Na6 { [%eval 0.67] [%clk 1:01:22] } 18. Kh1 { [%eval 0.72] [%clk 0:46:57] } 18... b6 { [%eval 0.73] [%clk 0:48:18] } 19. Rac1 { [%eval 0.3] [%clk 0:37:59] } 19... Bb7 { [%eval 0.34] [%clk 0:47:19] } 20. Nb1 { [%eval -0.07] [%clk 0:36:26] } 20... Bh6 { [%eval 0.06] [%clk 0:44:04] } 21. Rce1 { [%eval 0.0] [%clk 0:35:39] } 21... Rae8 { [%eval -0.02] [%clk 0:41:52] } 22. Qd3?! { [%eval -0.8] } { Inaccuracy. Bf4 was best. } { [%clk 0:32:16] } 22... Nb8 { [%eval -0.68] [%clk 0:41:52] } 23. Nc3?! { [%eval -1.56] } { Inaccuracy. b4 was best. } { [%clk 0:32:29] } 23... Ba6 { [%eval -1.6] [%clk 0:41:47] } 24. Nb5 { [%eval -1.49] [%clk 0:32:43] } 24... Nd7 { [%eval -1.45] [%clk 0:27:58] } 25. Bf4 { [%eval -1.79] [%clk 0:22:26] } 25... Bxf4?! { [%eval -1.17] } { Inaccuracy. Qg7 was best. } { [%clk 0:27:02] } 26. exf4 { [%eval -1.22] [%clk 0:22:44] } 26... Nf6 { [%eval -1.19] [%clk 0:26:45] } 27. Re6?! { [%eval -2.1] } { Inaccuracy. a4 was best. } { [%clk 0:21:59] } 27... Ne4?! { [%eval -1.43] } { Inaccuracy. Rxe6 was best. } { [%clk 0:19:08] } 28. Bxe4?! { [%eval -2.51] } { Inaccuracy. Kg1 was best. } { [%clk 0:20:20] } 28... fxe4 { [%eval -2.51] [%clk 0:19:27] } 29. Qb3 { [%eval -2.5] [%clk 0:19:07] } 29... Bxb5 { [%eval -2.37] [%clk 0:19:01] } 30. Qxb5 { [%eval -2.44] [%clk 0:19:17] } 30... Rxe6 { [%eval -2.31] [%clk 0:19:20] } 31. dxe6 { [%eval -2.43] [%clk 0:19:42] } 31... Qxe6 { [%eval -2.43] [%clk 0:19:42] } 32. d5 { [%eval -2.3] [%clk 0:19:39] } 32... Qf5 { [%eval -2.37] [%clk 0:19:01] } 33. g4 { [%eval -2.55] [%clk 0:19:23] } 33... Qf7?! { [%eval -1.72] } { Inaccuracy. Qf6 was best. } { [%clk 0:14:13] } 34. f5? { [%eval -3.22] } { Mistake. Qc4 was best. } { [%clk 0:18:45] } 34... e3 { [%eval -3.08] [%clk 0:14:16] } 35. Kg1 { [%eval -3.04] [%clk 0:14:24] } 35... Re8 { [%eval -2.97] [%clk 0:13:49] } 36. fxg6 { [%eval -3.45] [%clk 0:14:19] } 36... Qxg6 { [%eval -3.32] [%clk 0:13:42] } 37. Rf5?? { [%eval -8.61] } { Blunder. Qa4 was best. } { [%clk 0:13:09] } 37... e2 { [%eval -8.41] [%clk 0:13:25] } 38. Rf1 { [%eval -8.1] [%clk 0:12:31] } 0-1