Event: Round 4: Koch, Juan - Lo Presti, Roberto
Site: https://lichess.org/broadcast/campeonato-argentino-senior-2025/round-4/yMy3d4ox/HyldP8L5
Date: 2025-11-22
White: Koch, Juan
WhiteElo: 2007
Black: Lo Presti, Roberto
BlackElo: 1999
Result: 1-0
ECO: E05
Opening: Catalan Opening: Open Defense, Classical Line
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:30:55] } 1... Nf6 { [%eval 0.19] [%clk 1:13:55] } 2. Nf3 { [%eval 0.11] [%clk 1:31:15] } 2... e6 { [%eval 0.14] [%clk 1:14:20] } 3. g3 { [%eval 0.0] [%clk 1:31:00] } 3... d5 { [%eval 0.32] [%clk 1:14:39] } 4. Bg2 { [%eval 0.19] [%clk 1:31:23] } 4... Be7 { [%eval 0.3] [%clk 1:15:01] } 5. c4 { [%eval 0.13] [%clk 1:29:48] } 5... O-O { [%eval 0.22] [%clk 1:15:10] } 6. O-O { [%eval 0.2] [%clk 1:29:51] } 6... dxc4 { [%eval 0.16] [%clk 1:15:22] } 7. Qa4 { [%eval 0.13] [%clk 1:29:53] } 7... a6 { [%eval 0.15] [%clk 1:14:45] } 8. Qxc4 { [%eval 0.11] [%clk 1:30:13] } 8... b5 { [%eval 0.13] [%clk 1:14:45] } 9. Qc2 { [%eval 0.13] [%clk 1:30:13] } 9... Bb7 { [%eval 0.11] [%clk 1:14:30] } 10. Bg5 { [%eval 0.0] [%clk 1:28:19] } 10... Nbd7 { [%eval 0.0] [%clk 1:12:08] } 11. Bxf6 { [%eval 0.02] [%clk 1:27:48] } 11... Nxf6 { [%eval 0.07] [%clk 1:12:00] } 12. Nbd2 { [%eval 0.1] [%clk 1:28:05] } 12... Rc8 { [%eval 0.06] [%clk 1:05:59] } 13. Nb3 { [%eval 0.05] [%clk 1:27:39] } 13... Be4 { [%eval 0.14] [%clk 1:04:15] } 14. Qc3 { [%eval 0.16] [%clk 1:13:48] } 14... Nd5 { [%eval 0.08] [%clk 0:57:09] } 15. Qc1 { [%eval 0.01] [%clk 1:03:59] } 15... Nb6 { [%eval 0.2] [%clk 0:49:22] } 16. Rd1 { [%eval -0.16] [%clk 1:01:41] } 16... Nc4? { [%eval 1.04] } { Mistake. Na4 was best. } { [%clk 0:45:31] } 17. Nc5 { [%eval 0.93] [%clk 0:56:19] } 17... Bxc5 { [%eval 0.86] [%clk 0:44:21] } 18. dxc5 { [%eval 0.85] [%clk 0:56:42] } 18... Qf6 { [%eval 0.86] [%clk 0:44:39] } 19. b3 { [%eval 0.97] [%clk 0:56:21] } 19... Ne5?? { [%eval 4.47] } { Blunder. Bxf3 was best. } { [%clk 0:44:32] } 20. Nxe5 { [%eval 4.41] [%clk 0:53:41] } 20... Bxg2 { [%eval 5.08] [%clk 0:35:15] } 21. Nd7 { [%eval 5.0] [%clk 0:52:11] } 21... Qe7 { [%eval 5.23] [%clk 0:35:31] } 22. Kxg2 { [%eval 5.4] [%clk 0:52:15] } 22... Qf6?! { [%eval 9.46] } { Inaccuracy. Rcd8 was best. } { [%clk 0:35:28] } 1-0