Event: Round 4: Heiler, Karl - Kottke, Steffen
Date: 2025-07-10
White: Heiler, Karl
WhiteElo: 1870
Black: Kottke, Steffen
BlackElo: 1888
Result: 1/2-1/2
ECO: B50
Opening: Sicilian Defense: Modern Variations
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:54] } 1... c5 { [%eval 0.25] [%clk 1:30:41] } 2. Nf3 { [%eval 0.2] [%clk 1:31:17] } 2... d6 { [%eval 0.31] [%clk 1:30:49] } 3. g3 { [%eval 0.0] [%clk 1:31:36] } 3... Nc6 { [%eval 0.11] [%clk 1:30:42] } 4. Bg2 { [%eval 0.0] [%clk 1:31:53] } 4... Nf6 { [%eval 0.0] [%clk 1:30:29] } 5. d3 { [%eval -0.11] [%clk 1:32:11] } 5... e6 { [%eval 0.13] [%clk 1:30:03] } 6. O-O { [%eval 0.17] [%clk 1:32:24] } 6... Be7 { [%eval 0.15] [%clk 1:30:18] } 7. Nbd2 { [%eval 0.0] [%clk 1:32:39] } 7... O-O { [%eval 0.03] [%clk 1:30:38] } 8. Re1 { [%eval 0.12] [%clk 1:32:43] } 8... Qc7 { [%eval 0.13] [%clk 1:27:46] } 9. c3 { [%eval 0.03] [%clk 1:31:27] } 9... e5 { [%eval 0.46] [%clk 1:22:02] } 10. h3 { [%eval 0.09] [%clk 1:31:05] } 10... d5?! { [%eval 1.06] } { Inaccuracy. Be6 was best. } { [%clk 1:20:51] } 11. exd5 { [%eval 0.86] [%clk 1:25:28] } 11... Nxd5 { [%eval 1.06] [%clk 1:18:45] } 12. Nxe5? { [%eval -0.17] } { Mistake. Nc4 was best. } { [%clk 1:19:15] } 12... Nxe5 { [%eval -0.19] [%clk 1:18:16] } 13. Bxd5 { [%eval -0.14] [%clk 1:18:06] } 13... Nxd3 { [%eval 0.03] [%clk 1:17:48] } 14. Re3 { [%eval 0.1] [%clk 1:16:45] } 14... Nxc1 { [%eval 0.06] [%clk 1:16:36] } 15. Rxc1 { [%eval 0.08] [%clk 1:16:57] } 15... Bxh3?! { [%eval 0.87] } { Inaccuracy. Bf5 was best. } { [%clk 1:15:49] } 16. Qh5?! { [%eval 0.0] } { Inaccuracy. g4 was best. } { [%clk 1:16:31] } 16... Be6 { [%eval 0.33] [%clk 0:57:01] } 17. Rxe6 { [%eval 0.15] [%clk 1:13:47] } 17... fxe6 { [%eval 0.05] [%clk 0:55:18] } 18. Bxe6+ { [%eval 0.07] [%clk 1:13:46] } 18... Kh8 { [%eval 0.06] [%clk 0:55:47] } 19. Bf5 { [%eval 0.13] [%clk 1:06:22] } 19... Rxf5 { [%eval 0.31] [%clk 0:54:14] } 20. Qxf5?? { [%eval -6.07] } { Blunder. Qxf5 was best. } { [%clk 1:06:21] } 20... Rd8 1/2-1/2