Event: Round 4: Lauer, Marius - Cofmann, Veaceslav
Date: 2025-06-14
White: Lauer, Marius
WhiteElo: 2045
Black: Cofmann, Veaceslav
BlackTitle: FM
BlackElo: 2274
Result: 0-1
ECO: A29
Opening: English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with Nb6
Variant: Standard
TimeControl: 15+10

1. c4 { [%eval 0.12] [%clk 0:15:19] } 1... e5 { [%eval 0.1] [%clk 0:15:19] } 2. g3 { [%eval 0.14] [%clk 0:15:28] } 2... Nf6 { [%eval 0.15] [%clk 0:15:28] } 3. Bg2 { [%eval 0.1] [%clk 0:15:37] } 3... d5 { [%eval 0.21] [%clk 0:15:37] } 4. cxd5 { [%eval 0.13] [%clk 0:15:46] } 4... Nxd5 { [%eval 0.18] [%clk 0:15:45] } 5. Nc3 { [%eval 0.14] [%clk 0:15:55] } 5... Nb6 { [%eval 0.1] [%clk 0:15:54] } 6. Nf3 { [%eval 0.18] [%clk 0:16:04] } 6... Nc6 { [%eval 0.14] [%clk 0:16:03] } 7. Rb1 { [%eval 0.0] [%clk 0:16:13] } 7... Be7 { [%eval 0.08] [%clk 0:16:04] } 8. b4 { [%eval -0.07] [%clk 0:16:21] } 8... a6 { [%eval 0.28] [%clk 0:16:13] } 9. a4 { [%eval 0.12] [%clk 0:16:30] } 9... f6 { [%eval 0.48] [%clk 0:15:48] } 10. Qb3?! { [%eval -0.55] } { Inaccuracy. a5 was best. } { [%clk 0:16:09] } 10... Nxb4?! { [%eval 0.48] } { Inaccuracy. Bf5 was best. } { [%clk 0:15:26] } 11. O-O { [%eval 0.0] [%clk 0:15:42] } 11... Nc6 { [%eval 0.16] [%clk 0:14:56] } 12. Rd1 { [%eval 0.17] [%clk 0:15:17] } 12... Qd6 { [%eval 0.22] [%clk 0:14:48] } 13. d4 { [%eval 0.09] [%clk 0:14:18] } 13... exd4 { [%eval 0.02] [%clk 0:14:33] } 14. Bf4 { [%eval -0.23] [%clk 0:12:53] } 14... Be6 { [%eval -0.28] [%clk 0:12:57] } 15. Bxd6 { [%eval -0.23] [%clk 0:07:56] } 15... Bxb3 { [%eval -0.22] [%clk 0:13:03] } 16. Rxb3 { [%eval -0.28] [%clk 0:08:02] } 16... dxc3 { [%eval 0.1] [%clk 0:12:20] } 17. Bxe7 { [%eval -0.37] [%clk 0:06:38] } 17... Kxe7 { [%eval -0.42] [%clk 0:12:15] } 18. a5?? { [%eval -2.8] } { Blunder. Rxc3 was best. } { [%clk 0:06:45] } 18... Rhd8 { [%eval -2.8] [%clk 0:10:46] } 19. Rc1 { [%eval -2.88] [%clk 0:06:53] } 19... Nxa5 { [%eval -2.73] [%clk 0:10:37] } 20. Rbxc3 { [%eval -2.63] [%clk 0:07:00] } 20... Nd5 { [%eval -2.48] [%clk 0:10:10] } 21. Ra3 { [%eval -2.47] [%clk 0:06:42] } 21... Nc6 { [%eval -2.38] [%clk 0:10:14] } 22. Rb3 { [%eval -2.73] [%clk 0:06:14] } 22... Rab8 { [%eval -2.47] [%clk 0:09:21] } 23. Nh4 { [%eval -2.97] [%clk 0:06:22] } 23... Nd4 { [%eval -3.08] [%clk 0:09:11] } 24. Rb2 { [%eval -2.96] [%clk 0:06:15] } 24... g5?! { [%eval -2.18] } { Inaccuracy. c6 was best. } { [%clk 0:09:09] } 25. Nf3 { [%eval -2.72] [%clk 0:03:38] } 25... Nxf3+ { [%eval -2.76] [%clk 0:09:05] } 26. Bxf3 { [%eval -2.72] [%clk 0:03:46] } 26... c6 { [%eval -2.8] [%clk 0:09:10] } 27. Bxd5 { [%eval -2.69] [%clk 0:03:51] } 27... cxd5 { [%eval -2.63] [%clk 0:09:01] } 28. Rb6 { [%eval -2.7] [%clk 0:03:59] } 28... a5 { [%eval -2.63] [%clk 0:08:22] } 29. Rc5?! { [%eval -3.42] } { Inaccuracy. h4 was best. } { [%clk 0:03:41] } 29... Rd6 { [%eval -3.27] [%clk 0:08:22] } 30. Rc7+ { [%eval -3.42] [%clk 0:02:12] } 30... Ke6 { [%eval -3.24] [%clk 0:08:25] } 31. Rb5 { [%eval -3.19] [%clk 0:01:48] } 31... Ra6 { [%eval -3.08] [%clk 0:08:21] } 32. Rxh7 { [%eval -2.97] [%clk 0:01:44] } 32... a4 { [%eval -2.86] [%clk 0:08:02] } 33. Rhxb7? { [%eval -5.01] } { Mistake. Rc7 was best. } { [%clk 0:01:21] } 33... Rxb7 { [%eval -4.77] [%clk 0:08:11] } 34. Rxb7 { [%eval -4.99] [%clk 0:01:30] } 34... a3 { [%eval -5.22] [%clk 0:08:20] } 35. Rb1 { [%eval -5.0] [%clk 0:01:39] } 35... a2 { [%eval -4.87] [%clk 0:08:30] } 36. Ra1 { [%eval -4.81] [%clk 0:01:49] } 36... d4 { [%eval -4.77] [%clk 0:08:39] } 37. h4 { [%eval -5.38] [%clk 0:01:48] } 37... gxh4 { [%eval -5.23] [%clk 0:08:43] } 38. gxh4 { [%eval -5.25] [%clk 0:01:57] } 38... Kd5 { [%eval -5.2] [%clk 0:08:53] } 39. h5 { [%eval -5.97] [%clk 0:02:00] } 39... Kc4 { [%eval -6.11] [%clk 0:09:00] } 40. h6 { [%eval -5.57] [%clk 0:01:47] } 40... Kb3 { [%eval -5.55] [%clk 0:09:09] } 41. h7 { [%eval -5.29] [%clk 0:01:56] } 41... Ra8 { [%eval -5.19] [%clk 0:09:17] } 42. Rd1?? { [%eval #-18] } { Checkmate is now unavoidable. Kg2 was best. } { [%clk 0:01:56] } 42... a1=Q { [%eval #-17] [%clk 0:08:57] } 43. Rxa1 { [%eval #-17] [%clk 0:02:05] } 43... Rxa1+ { [%eval #-18] [%clk 0:09:07] } 44. Kg2 { [%eval #-16] [%clk 0:02:13] } 44... Ra8 { [%eval #-15] [%clk 0:09:16] } 45. Kf3 { [%eval #-15] [%clk 0:02:14] } 45... Rh8 { [%eval #-14] [%clk 0:09:24] } 46. Ke4 { [%eval #-15] [%clk 0:02:22] } 46... Kc3 { [%eval #-13] [%clk 0:09:33] } 47. Kf5 { [%eval #-13] [%clk 0:02:15] } 47... Rxh7 { [%eval #-12] [%clk 0:09:41] } 48. Kxf6 { [%eval #-10] [%clk 0:02:17] } 48... Rh2 { [%eval #-9] [%clk 0:09:50] } 0-1