Event: Round 4: Jonas Wyss - Markus Lammers
Date: 2023-10-31
White: Jonas Wyss
WhiteTitle: FM
WhiteElo: 2265
Black: Markus Lammers
BlackTitle: IM
BlackElo: 2336
Result: 1-0
ECO: C43
Opening: Petrov's Defense: Modern Attack, Center Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:57] } 1... e5 { [%eval 0.35] [%clk 1:30:54] } 2. Nf3 { [%eval 0.29] [%clk 1:31:10] } 2... Nf6 { [%eval 0.5] [%clk 1:31:19] } 3. d4 { [%eval 0.32] [%clk 1:31:01] } 3... Nxe4 { [%eval 0.34] [%clk 1:31:40] } 4. Bd3 { [%eval 0.32] [%clk 1:30:40] } 4... d5 { [%eval 0.37] [%clk 1:32:04] } 5. Nxe5 { [%eval 0.4] [%clk 1:30:52] } 5... Be7 { [%eval 0.61] [%clk 1:31:16] } 6. O-O { [%eval 0.46] [%clk 1:30:33] } 6... O-O { [%eval 0.48] [%clk 1:31:37] } 7. c4 { [%eval 0.66] [%clk 1:30:19] } 7... c6 { [%eval 0.78] [%clk 1:31:10] } 8. Nc3 { [%eval 0.38] [%clk 1:29:58] } 8... Nxc3 { [%eval 0.44] [%clk 1:30:24] } 9. bxc3 { [%eval 0.28] [%clk 1:30:17] } 9... dxc4 { [%eval 0.7] [%clk 1:27:58] } 10. Bxc4 { [%eval 0.43] [%clk 1:29:11] } 10... Nd7 { [%eval 0.5] [%clk 1:28:07] } 11. Nxd7 { [%eval 0.07] [%clk 1:23:51] } 11... Bxd7 { [%eval 0.07] [%clk 1:27:03] } 12. Re1 { [%eval 0.08] [%clk 1:22:58] } 12... Bd6 { [%eval 0.05] [%clk 1:25:25] } 13. Qh5 { [%eval 0.02] [%clk 1:02:43] } 13... Qf6 { [%eval 0.06] [%clk 1:23:22] } 14. Bg5 { [%eval 0.01] [%clk 0:48:25] } 14... Qf5 { [%eval 0.03] [%clk 1:22:34] } 15. Re3 { [%eval 0.04] [%clk 0:37:49] } 15... h6 { [%eval 0.04] [%clk 1:14:47] } 16. h4 { [%eval 0.04] [%clk 0:37:39] } 16... hxg5 { [%eval 0.02] [%clk 1:11:12] } 17. Bd3 { [%eval 0.03] [%clk 0:37:54] } 17... g6 { [%eval 0.04] [%clk 1:10:03] } 18. Bxf5 { [%eval 0.01] [%clk 0:38:18] } 18... gxh5 { [%eval 0.04] [%clk 1:10:27] } 19. Bxd7 { [%eval 0.04] [%clk 0:38:37] } 19... g4 { [%eval 0.11] [%clk 1:06:07] } 20. Rb1 { [%eval 0.06] [%clk 0:32:53] } 20... Rab8 { [%eval 0.09] [%clk 1:04:38] } 21. g3 { [%eval 0.04] } 21... Kg7 { [%eval 0.03] } 22. Bf5 { [%eval 0.07] } 22... b5 { [%eval 0.14] } 23. Kg2 { [%eval 0.1] } 23... Kf6 { [%eval 0.13] } 24. Be4 { [%eval 0.04] } 24... c5 { [%eval 0.03] } 25. f3 { [%eval 0.07] [%clk 0:17:54] } 25... b4 { [%eval 0.07] [%clk 0:44:56] } 26. fxg4 { [%eval 0.05] [%clk 0:17:46] } 26... hxg4 { [%eval 0.03] [%clk 0:42:44] } 27. Rf1+ { [%eval 0.07] [%clk 0:13:38] } 27... Kg7 { [%eval 0.06] [%clk 0:43:12] } 28. Rf5 { [%eval 0.04] [%clk 0:05:50] } 28... bxc3 { [%eval 0.14] } 29. dxc5 { [%eval 0.05] } 29... Rb2+ { [%eval 0.09] } 30. Kf1 { [%eval 0.09] [%clk 0:04:06] } 30... Rc8?! { [%eval 0.82] } { Inaccuracy. Re8 was best. } 31. Rxc3 { [%eval 0.59] [%clk 0:03:59] } 31... Rxa2 { [%eval 0.56] } 32. c6 { [%eval 0.2] [%clk 0:03:53] } 32... f6?? { [%eval 2.15] } { Blunder. Ra1+ was best. } { [%clk 0:05:50] } 33. Rf2?? { [%eval 0.4] } { Blunder. Rd5 was best. } 33... Rxf2+ { [%eval 0.42] } 34. Kxf2 { [%eval 0.25] [%clk 0:04:18] } 34... f5 { [%eval 0.32] } 35. Bxf5 { [%eval 0.61] [%clk 0:01:13] } 35... Rf8 { [%eval 0.28] [%clk 0:07:07] } 36. c7 { [%eval 0.29] [%clk 0:01:54] } 36... Rxf5+ { [%eval 0.29] } 37. Kg2 { [%eval 0.34] [%clk 0:02:12] } 37... Bxc7 { [%eval 0.12] [%clk 0:06:28] } 38. Rxc7+ { [%eval 0.56] [%clk 0:02:30] } 38... Kg6? { [%eval 1.72] } { Mistake. Rf7 was best. } { [%clk 0:04:53] } 39. Rxa7 { [%eval 2.15] } 39... Rb5 { [%eval 1.92] } 40. Ra4 { [%eval 1.67] } 40... Kh5 { [%eval 2.4] } 41. Re4?! { [%eval 1.51] } { Inaccuracy. Ra8 was best. } 41... Rf5?! { [%eval 2.54] } { Inaccuracy. Rb2+ was best. } 42. Rd4 { [%eval 2.15] } 42... Ra5?! { [%eval 3.53] } { Inaccuracy. Rf7 was best. } 43. Kf2 { [%eval 3.28] } 43... Re5 { [%eval 3.11] } 44. Rd3 { [%eval 3.14] } 44... Kg6 { [%eval 3.36] } 45. Re3 { [%eval 3.07] [%clk 0:19:42] } 45... Ra5 { [%eval 3.04] [%clk 0:16:41] } 46. Rd3?? { [%eval 0.11] } { Blunder. Re4 was best. } { [%clk 0:19:55] } 46... Re5?? { [%eval 3.13] } { Blunder. Kf5 was best. } 47. Rd6+?? { [%eval 0.17] } { Blunder. Rd4 was best. } { [%clk 0:20:21] } 47... Kh5?? { [%eval 3.88] } { Blunder. Kf5 was best. } 48. Rd4 { [%eval 3.92] [%clk 0:20:27] } 48... Rf5+ { [%eval 3.95] } 49. Ke2 { [%eval 4.27] [%clk 0:19:58] } 49... Re5+ { [%eval 4.11] } 50. Kd3 { [%eval 4.6] } 50... Ra5 { [%eval 4.87] } 51. Ke4 { [%eval 4.99] } 51... Ra3 { [%eval 5.06] } 52. Rd5+ { [%eval 5.0] [%clk 0:17:29] } 52... Kh6 { [%eval 4.97] } 53. Kf4 { [%eval 5.14] } 53... Ra4+ { [%eval 4.95] } 54. Kf5 { [%eval 4.96] } 54... Rb4 { [%eval 5.12] } 55. Re5 { [%eval 4.95] } 55... Kh5 { [%eval 5.26] [%clk 0:03:30] } 56. Re8 { [%eval 5.14] } 56... Rb5+ { [%eval 5.12] } 57. Kf4 { [%eval 5.26] [%clk 0:17:39] } 57... Rb4+ { [%eval 5.09] } 58. Re4 { [%eval 5.41] } 1-0