Event: Round 1: Edward A Frumkin - Koppenaal, Richard
Site: https://lichess.org/broadcast/2025-marshall-chess-club-amateur-championship-jerry-simon-memorial/round-1/tLdnF50B/X7ndka4v
Date: 2025-11-22
White: Edward A Frumkin
Black: Koppenaal, Richard
BlackElo: 1647
Result: 1/2-1/2
ECO: A15
Opening: English Opening: Anglo-Indian Defense
Variant: Standard
TimeControl: 90+30

1. c4 { [%eval 0.12] [%clk 1:30:56] } 1... Nf6 { [%eval 0.14] [%clk 1:30:16] } 2. g3 { [%eval 0.11] [%clk 1:31:17] } 2... g6 { [%eval 0.2] [%clk 1:30:40] } 3. Bg2 { [%eval 0.18] [%clk 1:31:41] } 3... Bg7 { [%eval 0.42] [%clk 1:31:05] } 4. Nc3 { [%eval 0.18] [%clk 1:32:02] } 4... O-O { [%eval 0.28] [%clk 1:31:17] } 5. e4 { [%eval -0.09] [%clk 1:32:20] } 5... d6 { [%eval 0.0] [%clk 1:31:29] } 6. Nge2 { [%eval 0.0] [%clk 1:32:39] } 6... Nc6 { [%eval 0.4] [%clk 1:29:46] } 7. O-O { [%eval 0.3] [%clk 1:32:47] } 7... Bg4 { [%eval 0.64] [%clk 1:28:20] } 8. h3 { [%eval 0.43] [%clk 1:32:57] } 8... Bxe2 { [%eval 0.38] [%clk 1:25:55] } 9. Nxe2 { [%eval 0.3] [%clk 1:33:10] } 9... Nd7 { [%eval 0.34] [%clk 1:26:00] } 10. d4 { [%eval 0.36] [%clk 1:32:15] } 10... e5 { [%eval 0.4] [%clk 1:24:28] } 11. d5 { [%eval 0.46] [%clk 1:31:06] } 11... Nd4 { [%eval 0.43] [%clk 1:20:24] } 12. Be3 { [%eval 0.14] [%clk 1:23:47] } 12... Nxe2+ { [%eval 0.21] [%clk 1:18:25] } 13. Qxe2 { [%eval 0.24] [%clk 1:24:06] } 13... f5 { [%eval 0.16] [%clk 1:17:50] } 14. Qd2?! { [%eval -0.45] } { Inaccuracy. Bf3 was best. } { [%clk 1:07:53] } 14... Nc5?! { [%eval 0.3] } { Inaccuracy. f4 was best. } { [%clk 1:12:06] } 15. Bxc5 { [%eval 0.15] [%clk 1:01:38] } 15... dxc5 { [%eval 0.04] [%clk 1:12:31] } 16. Rfe1 { [%eval 0.15] [%clk 0:59:06] } 16... Qd6 { [%eval 0.26] [%clk 1:10:58] } 17. g4?? { [%eval -1.59] } { Blunder. a4 was best. } { [%clk 0:54:22] } 17... fxe4? { [%eval 0.0] } { Mistake. fxg4 was best. } { [%clk 1:06:08] } 18. Bxe4 { [%eval 0.06] [%clk 0:52:21] } 18... Rf4 { [%eval 0.19] [%clk 1:05:59] } 19. f3 { [%eval 0.17] [%clk 0:51:25] } 19... Bh6 { [%eval 0.43] [%clk 0:57:32] } 20. Qg2 { [%eval 0.1] [%clk 0:51:14] } 1/2-1/2