Event: Round 4: Koop, Michael - Hollatz, Jens
Site: https://lichess.org/broadcast/1-itzehoer-chess-cup--b-open/round-4/208mkkvW/y2lHWPLA
Date: 2025-10-04
White: Koop, Michael
WhiteElo: 1553
Black: Hollatz, Jens
BlackElo: 1661
Result: 1-0
ECO: A02
Opening: Bird Opening: Wagner-Zwitersch Gambit
Variant: Standard

1. f4 { [%eval -0.23] [%clk 1:30:54] } 1... f5 { [%eval 0.14] [%clk 1:18:46] } 2. e4 { [%eval -0.38] [%clk 1:29:37] } 2... fxe4 { [%eval -0.38] [%clk 1:17:50] } 3. d3 { [%eval -0.34] [%clk 1:29:55] } 3... b6? { [%eval 0.83] } { Mistake. exd3 was best. } { [%clk 1:17:20] } 4. dxe4 { [%eval 0.76] [%clk 1:29:29] } 4... Bb7?! { [%eval 1.45] } { Inaccuracy. e6 was best. } { [%clk 1:17:28] } 5. Nc3 { [%eval 1.08] [%clk 1:28:14] } 5... g6 { [%eval 1.18] [%clk 1:17:12] } 6. Bd3 { [%eval 1.17] [%clk 1:21:30] } 6... d6? { [%eval 2.45] } { Mistake. e6 was best. } { [%clk 1:16:44] } 7. h4?! { [%eval 1.28] } { Inaccuracy. Nf3 was best. } { [%clk 1:17:44] } 7... Bg7 { [%eval 1.58] [%clk 1:15:41] } 8. Bd2?! { [%eval 0.56] } { Inaccuracy. h5 was best. } { [%clk 1:15:54] } 8... Nd7 { [%eval 0.92] [%clk 1:14:22] } 9. h5 { [%eval 0.85] [%clk 1:15:18] } 9... e6 { [%eval 1.36] [%clk 1:13:37] } 10. hxg6 { [%eval 1.41] [%clk 1:14:37] } 10... hxg6 { [%eval 1.46] [%clk 1:14:06] } 11. Rxh8 { [%eval 1.32] [%clk 1:14:21] } 11... Bxh8 { [%eval 1.32] [%clk 1:14:36] } 12. e5?? { [%eval -1.9] } { Blunder. Qg4 was best. } { [%clk 1:13:14] } 12... Qh4+ { [%eval -2.16] [%clk 1:14:06] } 13. Kf1 { [%eval -1.84] [%clk 1:13:27] } 13... O-O-O { [%eval -1.97] [%clk 1:11:37] } 14. Bxg6? { [%eval -3.84] } { Mistake. Nf3 was best. } { [%clk 1:12:07] } 14... dxe5?! { [%eval -2.69] } { Inaccuracy. Nxe5 was best. } { [%clk 1:11:22] } 15. Be4?! { [%eval -3.51] } { Inaccuracy. Nf3 was best. } { [%clk 1:04:58] } 15... c6?? { [%eval -0.71] } { Blunder. Bxe4 was best. } { [%clk 1:11:51] } 16. Qf3? { [%eval -2.04] } { Mistake. Nf3 was best. } { [%clk 1:02:47] } 16... Nc5 { [%eval -2.09] [%clk 1:10:06] } 17. Be1 { [%eval -1.87] [%clk 1:01:05] } 17... Qf6?? { [%eval -0.08] } { Blunder. Ba6+ was best. } { [%clk 1:02:03] } 18. Bxc6 { [%eval -0.12] [%clk 0:56:00] } 18... Ba6+ { [%eval -0.13] [%clk 0:59:09] } 19. Nge2 { [%eval -0.15] [%clk 0:54:02] } 19... Ne7 { [%eval -0.16] [%clk 0:56:52] } 20. Bb5?? { [%eval -2.53] } { Blunder. Rd1 was best. } { [%clk 0:44:23] } 20... Bb7 { [%eval -2.12] [%clk 0:56:37] } 21. fxe5?! { [%eval -3.03] } { Inaccuracy. Qh5 was best. } { [%clk 0:35:03] } 21... Qxf3+?? { [%eval 0.0] } { Blunder. Qxe5 was best. } { [%clk 0:52:58] } 22. gxf3 { [%eval -0.05] [%clk 0:35:16] } 22... Bxf3?? { [%eval 1.77] } { Blunder. Rf8 was best. } { [%clk 0:53:16] } 23. Bh4 { [%eval 1.67] [%clk 0:32:20] } 23... Rg8?? { [%eval 4.13] } { Blunder. Bxe2+ was best. } { [%clk 0:50:30] } 24. Bxe7 { [%eval 4.13] [%clk 0:31:20] } 24... Bxe5 { [%eval 4.3] [%clk 0:47:22] } 25. Re1 { [%eval 3.86] [%clk 0:27:36] } 25... Rg7 { [%eval 4.17] [%clk 0:35:47] } 26. Bxc5 { [%eval 4.18] [%clk 0:26:52] } 26... bxc5 { [%eval 4.1] [%clk 0:36:10] } 27. Bc4 { [%eval 4.14] [%clk 0:21:04] } 27... Rg2 { [%eval 4.41] [%clk 0:34:28] } 28. Bxe6+ { [%eval 4.37] [%clk 0:20:22] } 28... Kc7 { [%eval 4.62] [%clk 0:33:49] } 29. Ng1 { [%eval 4.41] [%clk 0:19:28] } 29... Bd4?! { [%eval 6.03] } { Inaccuracy. Bxc3 was best. } { [%clk 0:32:10] } 30. Nxf3?! { [%eval 4.02] } { Inaccuracy. Nb5+ was best. } { [%clk 0:19:34] } 30... Rf2+ { [%eval 4.15] [%clk 0:32:14] } 31. Kg1 { [%eval 3.99] [%clk 0:19:22] } 31... Re2+?! { [%eval 5.51] } { Inaccuracy. Rxf3+ was best. } { [%clk 0:30:20] } 32. Kf1?! { [%eval 3.96] } { Inaccuracy. Kh1 was best. } { [%clk 0:19:41] } 32... Rf2+ { [%eval 3.97] [%clk 0:30:17] } 33. Kg1 { [%eval 3.96] [%clk 0:19:38] } 33... Re2+?! { [%eval 5.75] } { Inaccuracy. Rxf3+ was best. } { [%clk 0:30:27] } 34. Kh1 { [%eval 5.67] [%clk 0:19:11] } 34... Rxe1+ { [%eval 7.0] [%clk 0:29:58] } 35. Nxe1 { [%eval 7.2] [%clk 0:19:30] } 35... Kd6 { [%eval 7.16] [%clk 0:29:29] } 36. Bg8 { [%eval 7.01] [%clk 0:17:39] } 36... Ke5 { [%eval 6.97] [%clk 0:29:58] } 37. Na4 { [%eval 6.8] [%clk 0:17:49] } 37... Kf4 { [%eval 7.15] [%clk 0:29:17] } 38. Nd3+ { [%eval 6.88] [%clk 0:17:53] } 38... Ke3 { [%eval 7.32] [%clk 0:29:31] } 39. Naxc5 { [%eval 7.32] [%clk 0:18:11] } 39... Kd2 { [%eval 7.26] [%clk 0:29:10] } 40. Bb3 { [%eval 7.4] [%clk 0:18:09] } 40... a5 { [%eval 7.46] [%clk 0:28:04] } 41. Kg2 { [%eval 7.07] [%clk 0:17:58] } 41... Bf6? { [%eval #5] } { Checkmate is now unavoidable. Ke2 was best. } { [%clk 0:19:27] } 42. Ne4+ { [%eval #9] [%clk 0:18:26] } 42... Kd1 { [%eval #4] [%clk 0:18:55] } 43. Nxf6 { [%eval #7] [%clk 0:18:22] } 43... a4 { [%eval #7] [%clk 0:19:01] } 44. Bxa4 { [%eval #6] [%clk 0:18:32] } 44... Kd2 { [%eval #4] [%clk 0:18:51] } 45. Ne4+ { [%eval #8] [%clk 0:17:38] } 45... Kd1 { [%eval #5] [%clk 0:17:07] } 46. Nef2+ { [%eval #7] [%clk 0:17:32] } 46... Kd2 { [%eval #7] [%clk 0:16:58] } 47. Nf4 { [%eval #9] [%clk 0:17:35] } 47... Ke3 { [%eval #10] [%clk 0:16:12] } 48. N4h3 { [%eval #12] [%clk 0:16:08] } 48... Kd4 { [%eval #12] [%clk 0:14:49] } 49. b4 { [%eval #11] [%clk 0:17:34] } 49... Kc4 { [%eval #9] [%clk 0:14:05] } 50. b5 { [%eval #10] [%clk 0:17:11] } 50... Kb4 { [%eval #8] [%clk 0:13:43] } 51. b6 { [%eval #7] [%clk 0:18:03] } 51... Ka3 { [%eval #5] [%clk 0:13:25] } 52. b7 { [%eval #4] [%clk 0:17:47] } 52... Kb2 { [%eval #4] [%clk 0:13:21] } 53. b8=Q+ { [%eval #3] [%clk 0:17:11] } 53... Ka1 { [%eval #2] [%clk 0:13:50] } 54. Qh8+ { [%eval #2] [%clk 0:16:31] } 54... Kxa2 { [%eval #2] [%clk 0:13:37] } 55. Qg8+ { [%eval #4] [%clk 0:15:31] } 55... Kb2 { [%eval #4] [%clk 0:14:02] } 56. Nd3+ { [%eval #3] [%clk 0:15:31] } 56... Ka1 { [%eval #2] [%clk 0:14:32] } 57. Qg7+ { [%eval #1] [%clk 0:15:11] } 57... Ka2 { [%eval #1] [%clk 0:14:36] } 58. Qf7+ { [%eval #2] [%clk 0:15:38] } 58... Ka3 { [%eval #1] [%clk 0:14:45] } 59. Qe7+ { [%eval #2] [%clk 0:15:55] } 59... Ka2 { [%eval #2] [%clk 0:14:57] } 60. Qe6+ { [%eval #2] [%clk 0:15:34] } 60... Kb1 { [%eval #2] [%clk 0:15:08] } 61. Qb3+ { [%eval #1] [%clk 0:15:17] } 61... Ka1 { [%eval #1] [%clk 0:14:51] } 62. Qb2# { [%clk 0:12:46] } 1-0