Event: Round 5: Okrajek, Alexander - Koehler, Gerhard, Dr.
Date: 2025-07-03
White: Okrajek, Alexander
WhiteElo: 2187
Black: Koehler, Gerhard, Dr.
BlackElo: 2147
Result: 1-0
ECO: A04
Opening: Zukertort Opening: Sicilian Invitation
Variant: Standard

1. Nf3 { [%eval 0.1] [%clk 1:29:51] } 1... c5 { [%eval 0.25] [%clk 1:30:34] } 2. g3 { [%eval 0.03] [%clk 1:29:07] } 2... Nc6 { [%eval 0.14] [%clk 1:30:21] } 3. Bg2 { [%eval 0.08] [%clk 1:29:13] } 3... g6 { [%eval 0.17] [%clk 1:29:43] } 4. O-O { [%eval 0.02] [%clk 1:27:54] } 4... Bg7 { [%eval 0.0] [%clk 1:29:29] } 5. c4 { [%eval 0.0] [%clk 1:26:46] } 5... a6 { [%eval 0.22] [%clk 1:23:26] } 6. Nc3 { [%eval 0.26] [%clk 1:22:35] } 6... Rb8 { [%eval 0.26] [%clk 1:23:04] } 7. d3 { [%eval 0.0] [%clk 1:14:51] } 7... b5?! { [%eval 0.56] } { Inaccuracy. d6 was best. } { [%clk 1:18:18] } 8. cxb5 { [%eval 0.54] [%clk 1:11:13] } 8... axb5 { [%eval 0.44] [%clk 1:17:56] } 9. a4 { [%eval 0.48] [%clk 1:10:44] } 9... bxa4 { [%eval 0.58] [%clk 1:13:56] } 10. Qxa4 { [%eval 0.47] [%clk 0:59:00] } 10... Nf6 { [%eval 0.65] [%clk 1:03:48] } 11. Be3 { [%eval 0.83] [%clk 0:53:56] } 11... Qb6?! { [%eval 1.88] } { Inaccuracy. Rxb2 was best. } { [%clk 0:49:57] } 12. Nd2 { [%eval 2.03] [%clk 0:43:15] } 12... Bb7?! { [%eval 2.86] } { Inaccuracy. O-O was best. } { [%clk 0:40:16] } 13. Nc4 { [%eval 3.06] [%clk 0:42:10] } 13... Qb4 { [%eval 3.01] [%clk 0:38:42] } 14. Qd1 { [%eval 2.86] [%clk 0:35:55] } 14... Nd4?! { [%eval 3.97] } { Inaccuracy. Ra8 was best. } { [%clk 0:34:27] } 15. Ra4 { [%eval 3.99] [%clk 0:33:53] } 15... Qb3 { [%eval 4.87] [%clk 0:34:40] } 16. Qxb3 { [%eval 4.76] [%clk 0:34:14] } 16... Nxb3 { [%eval 4.73] [%clk 0:35:05] } 17. Bxb7 { [%eval 4.61] [%clk 0:34:43] } 1-0