Event: VI Abierto de Montevideo
Site: Montevideo
Date: 2023-02-09
White: Matsuura, Everaldo
WhiteElo: 2417
Black: Oswaldo Valentin, Requejo Cotrin
BlackElo: 2187
Result: 1/2-1/2
ECO: A29
Opening: English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with Nb6
Variant: Standard

1. c4 { [%eval 0.23] [%clk 1:17:33] } 1... Nf6 { [%eval 0.29] [%clk 1:29:19] } 2. Nc3 { [%eval 0.08] [%clk 1:17:33] } 2... e5 { [%eval 0.32] [%clk 1:27:52] } 3. g3 { [%eval 0.0] [%clk 1:17:27] } 3... d5 { [%eval 0.17] [%clk 1:27:08] } 4. cxd5 { [%eval 0.18] [%clk 1:17:42] } 4... Nxd5 { [%eval 0.27] [%clk 1:27:29] } 5. Bg2 { [%eval 0.16] [%clk 1:18:01] } 5... Nb6 { [%eval 0.23] [%clk 1:27:18] } 6. Nf3 { [%eval 0.24] [%clk 1:18:14] } 6... Nc6 { [%eval 0.21] [%clk 1:27:25] } 7. O-O { [%eval 0.2] [%clk 1:18:32] } 7... Be7 { [%eval 0.16] [%clk 1:27:12] } 8. a3 { [%eval 0.4] [%clk 1:18:52] } 8... O-O { [%eval 0.29] [%clk 1:26:53] } 9. b4 { [%eval 0.29] [%clk 1:19:12] } 9... a6 { [%eval 0.47] [%clk 1:23:28] } 10. d3 { [%eval 0.44] [%clk 1:12:13] } 10... f5 { [%eval 0.54] [%clk 1:13:55] } 11. Bb2 { [%eval 0.5] [%clk 1:05:58] } 11... Be6 { [%eval 0.44] [%clk 1:04:24] } 12. Rc1 { [%eval 0.55] [%clk 1:02:06] } 12... Rb8 { [%eval 0.83] } 13. b5?! { [%eval 0.12] } { Inaccuracy. e4 was best. } { [%clk 1:02:07] } 13... axb5 { [%eval 0.21] [%clk 0:56:47] } 14. Nxb5 { [%eval 0.18] [%clk 1:02:07] } 14... Bd5 { [%eval 0.66] [%clk 0:55:24] } 15. e4?! { [%eval 0.0] } { Inaccuracy. a4 was best. } { [%clk 0:49:55] } 15... fxe4 { [%eval 0.0] [%clk 0:48:54] } 16. Nxe5 { [%eval 0.0] [%clk 0:42:56] } 16... exd3?! { [%eval 0.95] } { Inaccuracy. e3 was best. } { [%clk 0:29:52] } 17. Bxd5+ { [%eval 0.88] } 17... Nxd5 { [%eval 0.68] } 18. Qxd3 { [%eval 0.69] [%clk 0:40:57] } 18... Nxe5 { [%eval 0.61] [%clk 0:24:24] } 19. Bxe5 { [%eval 0.65] [%clk 0:41:06] } 19... Rc8 { [%eval 0.6] [%clk 0:23:57] } 20. Qb3 { [%eval 0.64] [%clk 0:28:47] } 20... Rf7?! { [%eval 1.28] } { Inaccuracy. c6 was best. } { [%clk 0:21:44] } 21. Rcd1?! { [%eval 0.7] } { Inaccuracy. Bxc7 was best. } { [%clk 0:19:06] } 21... c6 { [%eval 0.82] [%clk 0:21:31] } 22. Nc3?! { [%eval 0.14] } { Inaccuracy. Na7 was best. } { [%clk 0:18:39] } 22... Qb6 { [%eval 0.1] [%clk 0:19:50] } 23. Qc4 { [%eval 0.02] [%clk 0:15:01] } 23... Qc5 { [%eval 0.13] [%clk 0:15:15] } 24. Qxc5 { [%eval 0.1] [%clk 0:14:38] } 24... Bxc5 { [%eval 0.12] [%clk 0:15:34] } 25. Nxd5 { [%eval 0.1] [%clk 0:13:59] } 25... cxd5 { [%eval 0.14] [%clk 0:15:49] } 26. a4 { [%eval 0.0] [%clk 0:12:58] } 26... Rd7 { [%eval 0.0] [%clk 0:15:02] } 1/2-1/2