Event: World Senior Chess Championship 2024
Site: Porto Santo, Portugal
Date: 2024-11-22
White: Mikhalevski, Alexander
WhiteTitle: IM
WhiteElo: 2399
Black: Knaak, Rainer
BlackTitle: GM
BlackElo: 2458
Result: 0-1
ECO: E04
Opening: Catalan Opening: Open Defense
Variant: Standard
TimeControl: 90'/40+30'/G+30''

1. d4 { [%eval 0.17] [%clk 1:30:55] } 1... d5 { [%eval 0.24] [%clk 1:30:52] } 2. c4 { [%eval 0.19] [%clk 1:31:20] } 2... e6 { [%eval 0.27] [%clk 1:31:17] } 3. Nf3 { [%eval 0.16] [%clk 1:31:44] } 3... Nf6 { [%eval 0.17] [%clk 1:31:20] } 4. g3 { [%eval 0.15] [%clk 1:32:07] } 4... dxc4 { [%eval 0.16] [%clk 1:31:26] } 5. Bg2 { [%eval 0.22] [%clk 1:32:27] } 5... Nc6 { [%eval 0.26] [%clk 1:31:32] } 6. O-O { [%eval 0.15] [%clk 1:27:04] } 6... Rb8 { [%eval 0.11] [%clk 1:31:33] } 7. Nc3 { [%eval 0.1] [%clk 1:21:37] } 7... b5 { [%eval 0.15] [%clk 1:31:44] } 8. Ne5 { [%eval 0.1] [%clk 1:21:14] } 8... Nxe5 { [%eval 0.19] [%clk 1:31:59] } 9. dxe5 { [%eval 0.22] [%clk 1:21:40] } 9... Nd7 { [%eval 0.12] [%clk 1:32:20] } 10. Qc2 { [%eval 0.05] [%clk 1:21:59] } 10... Bb7 { [%eval 0.09] [%clk 1:32:26] } 11. Bxb7 { [%eval 0.07] [%clk 1:20:34] } 11... Rxb7 { [%eval 0.11] [%clk 1:32:52] } 12. Qe4 { [%eval 0.18] [%clk 1:18:40] } 12... Qc8 { [%eval 0.2] [%clk 1:22:44] } 13. Rd1 { [%eval -0.09] [%clk 1:18:41] } 13... c6 { [%eval 0.15] [%clk 1:14:04] } 14. Be3 { [%eval -0.08] [%clk 1:11:36] } 14... b4 { [%eval 0.26] [%clk 0:53:30] } 15. Na4 { [%eval 0.3] [%clk 1:06:14] } 15... Rb5 { [%eval 0.6] [%clk 0:52:34] } 16. Qxc4 { [%eval 0.18] [%clk 0:59:06] } 16... Nxe5 { [%eval 0.21] [%clk 0:52:28] } 17. Qe4 { [%eval 0.2] [%clk 0:58:57] } 17... f5 { [%eval 0.33] [%clk 0:51:40] } 18. Qd4 { [%eval 0.18] [%clk 0:57:31] } 18... Ra5?! { [%eval 1.15] } { Inaccuracy. Qd7 was best. } { [%clk 0:50:36] } 19. Rac1 { [%eval 1.19] [%clk 0:52:26] } 19... Ng4?! { [%eval 1.9] } { Inaccuracy. Nd7 was best. } { [%clk 0:23:28] } 20. Rxc6?? { [%eval -0.32] } { Blunder. Nc5 was best. } { [%clk 0:45:34] } 20... Qxc6 { [%eval -0.34] [%clk 0:23:51] } 21. Qd8+ { [%eval -0.37] [%clk 0:45:56] } 21... Kf7 { [%eval -0.45] [%clk 0:24:18] } 22. Rd7+?? { [%eval -4.73] } { Blunder. Qxa5 was best. } { [%clk 0:34:35] } 22... Kg8 { [%eval -4.44] [%clk 0:23:59] } 23. Bd4 { [%eval -4.21] [%clk 0:17:03] } 23... e5 { [%eval -4.6] [%clk 0:22:19] } 24. Qe8 { [%eval -4.83] [%clk 0:15:30] } 24... Qg6 { [%eval -4.73] [%clk 0:22:22] } 25. Qd8 { [%eval -5.01] [%clk 0:15:06] } 25... Nf6 { [%eval -4.9] [%clk 0:18:11] } 26. Rb7 { [%eval -4.84] [%clk 0:14:30] } 26... Rd5 { [%eval -4.8] [%clk 0:16:24] } 0-1