Event: Round 7: Koitsidis, Petros Chronis - Ertan, Burak
Site: https://lichess.org/broadcast/german-university-chess-championship-2025--blitz-boards-1-100/round-7/U9gGLPg7/v8tmWVr8
Date: 2025-11-23
White: Koitsidis, Petros Chronis
WhiteElo: 1607
Black: Ertan, Burak
Result: 0-1
ECO: B13
Opening: Caro-Kann Defense: Exchange Variation
Variant: Standard
TimeControl: 3+2

1. e4 { [%eval 0.18] [%clk 0:03:03] } 1... c6 { [%eval 0.31] [%clk 0:03:03] } 2. d4 { [%eval 0.24] [%clk 0:03:03] } 2... d5 { [%eval 0.24] [%clk 0:03:04] } 3. exd5 { [%eval 0.08] [%clk 0:03:04] } 3... cxd5 { [%eval 0.18] [%clk 0:03:05] } 4. Bd3 { [%eval 0.1] [%clk 0:03:05] } 4... Nf6 { [%eval 0.17] [%clk 0:03:03] } 5. c3 { [%eval 0.13] [%clk 0:03:06] } 5... Bg4 { [%eval 0.18] [%clk 0:03:00] } 6. Qb3 { [%eval 0.07] [%clk 0:03:04] } 6... b6?! { [%eval 0.8] } { Inaccuracy. Qc7 was best. } { [%clk 0:02:48] } 7. Bf4 { [%eval 0.61] [%clk 0:02:50] } 7... e6 { [%eval 0.58] [%clk 0:02:47] } 8. Nd2 { [%eval 0.56] [%clk 0:02:43] } 8... Be7 { [%eval 0.51] [%clk 0:02:45] } 9. Ngf3 { [%eval 0.5] [%clk 0:02:36] } 9... O-O { [%eval 0.5] [%clk 0:02:43] } 10. O-O { [%eval 0.37] [%clk 0:02:36] } 10... Nbd7?! { [%eval 0.93] } { Inaccuracy. Nc6 was best. } { [%clk 0:02:35] } 11. Rfe1 { [%eval 0.38] [%clk 0:02:31] } 11... Re8?! { [%eval 1.16] } { Inaccuracy. Nh5 was best. } { [%clk 0:02:30] } 12. Bb5?! { [%eval 0.53] } { Inaccuracy. h3 was best. } { [%clk 0:02:14] } 12... a6 { [%eval 0.53] [%clk 0:02:26] } 13. Bc6 { [%eval 0.51] [%clk 0:01:30] } 13... Rc8? { [%eval 2.08] } { Mistake. Ra7 was best. } { [%clk 0:02:22] } 14. Bb7 { [%eval 2.18] [%clk 0:01:31] } 14... Rc7?! { [%eval 3.4] } { Inaccuracy. Rc5 was best. } { [%clk 0:01:51] } 15. Bxa6?! { [%eval 2.03] } { Inaccuracy. Bxc7 was best. } { [%clk 0:01:31] } 15... Ra7 { [%eval 1.86] [%clk 0:01:50] } 16. Bd3 { [%eval 1.84] [%clk 0:01:26] } 16... h6 { [%eval 2.09] [%clk 0:01:30] } 17. h3 { [%eval 2.08] [%clk 0:01:26] } 17... Bh5?! { [%eval 3.41] } { Inaccuracy. Bf5 was best. } { [%clk 0:01:29] } 18. Ne5?! { [%eval 2.1] } { Inaccuracy. g4 was best. } { [%clk 0:01:11] } 18... Nxe5 { [%eval 2.08] [%clk 0:01:28] } 19. Bxe5 { [%eval 2.08] [%clk 0:01:11] } 19... Bd6 { [%eval 2.69] [%clk 0:01:23] } 20. Bxd6 { [%eval 2.32] [%clk 0:01:11] } 20... Qxd6 { [%eval 2.16] [%clk 0:01:24] } 21. Be2 { [%eval 1.91] [%clk 0:01:02] } 21... Rae7 { [%eval 2.14] [%clk 0:01:14] } 22. Bxh5?! { [%eval 1.45] } { Inaccuracy. Bd3 was best. } { [%clk 0:00:59] } 22... Nxh5 { [%eval 1.39] [%clk 0:01:15] } 23. Nf3 { [%eval 1.61] [%clk 0:00:57] } 23... Nf4 { [%eval 1.55] [%clk 0:01:05] } 24. Qc2 { [%eval 1.65] [%clk 0:00:50] } 24... f6 { [%eval 1.45] [%clk 0:01:02] } 25. Re3?! { [%eval 0.61] } { Inaccuracy. Nh4 was best. } { [%clk 0:00:44] } 25... e5 { [%eval 0.66] [%clk 0:01:00] } 26. Rae1? { [%eval -0.44] } { Mistake. Nh4 was best. } { [%clk 0:00:29] } 26... e4 { [%eval -0.59] [%clk 0:01:00] } 27. Nh2?! { [%eval -1.46] } { Inaccuracy. Nh4 was best. } { [%clk 0:00:28] } 27... Nd3 { [%eval -0.96] [%clk 0:00:55] } 28. Ra1 { [%eval -1.19] [%clk 0:00:25] } 28... Qf4?! { [%eval -0.22] } { Inaccuracy. Nf4 was best. } { [%clk 0:00:53] } 29. a4 { [%eval -0.63] [%clk 0:00:18] } 29... Qg5?! { [%eval 0.1] } { Inaccuracy. Qd6 was best. } { [%clk 0:00:33] } 30. b4?! { [%eval -0.9] } { Inaccuracy. Rg3 was best. } { [%clk 0:00:13] } 30... f5 { [%eval -0.76] [%clk 0:00:34] } 31. a5 { [%eval -0.83] [%clk 0:00:14] } 31... bxa5 { [%eval -0.76] [%clk 0:00:34] } 32. bxa5 { [%eval -0.75] [%clk 0:00:16] } 32... f4 { [%eval -0.63] [%clk 0:00:35] } 33. Re2?? { [%eval -5.07] } { Blunder. Rxd3 was best. } { [%clk 0:00:12] } 33... f3 { [%eval -5.37] [%clk 0:00:35] } 34. Nxf3?? { [%eval #-9] } { Checkmate is now unavoidable. g3 was best. } { [%clk 0:00:06] } 34... exf3 { [%eval #-8] [%clk 0:00:34] } 0-1