Event: Round 4: Grigoryan, Anton - Waltsgott, Hermann
Date: 2025-06-29
White: Grigoryan, Anton
Black: Waltsgott, Hermann
Result: 1-0
ECO: A28
Opening: English Opening: Four Knights System, Nimzowitsch Variation
Variant: Standard
TimeControl: 10+5

1. c4 { [%eval 0.12] [%clk 0:10:09] } 1... e5 { [%eval 0.1] [%clk 0:09:53] } 2. Nf3 { [%eval 0.0] [%clk 0:10:12] } 2... Nc6 { [%eval 0.13] [%clk 0:09:55] } 3. Nc3 { [%eval 0.05] [%clk 0:10:16] } 3... Nf6 { [%eval 0.14] [%clk 0:09:51] } 4. e4 { [%eval 0.1] [%clk 0:10:16] } 4... Bb4 { [%eval 0.07] [%clk 0:09:45] } 5. a3?! { [%eval -0.68] } { Inaccuracy. d3 was best. } { [%clk 0:10:18] } 5... Bxc3 { [%eval -0.75] [%clk 0:09:42] } 6. dxc3 { [%eval -0.72] [%clk 0:10:22] } 6... Nxe4 { [%eval -0.72] [%clk 0:09:44] } 7. Bd3 { [%eval -0.82] [%clk 0:10:17] } 7... Nc5 { [%eval -0.61] [%clk 0:09:39] } 8. O-O? { [%eval -2.14] } { Mistake. Bc2 was best. } { [%clk 0:10:12] } 8... Nxd3 { [%eval -2.18] [%clk 0:09:37] } 9. Qxd3 { [%eval -2.14] [%clk 0:10:12] } 9... O-O?? { [%eval -0.26] } { Blunder. d6 was best. } { [%clk 0:09:37] } 10. Re1?? { [%eval -2.17] } { Blunder. Ng5 was best. } { [%clk 0:10:14] } 10... d6?! { [%eval -1.4] } { Inaccuracy. f6 was best. } { [%clk 0:09:37] } 11. c5?! { [%eval -2.34] } { Inaccuracy. Ng5 was best. } { [%clk 0:10:10] } 11... Re8? { [%eval -0.9] } { Mistake. dxc5 was best. } { [%clk 0:09:28] } 12. cxd6? { [%eval -2.11] } { Mistake. Ng5 was best. } { [%clk 0:10:12] } 12... cxd6? { [%eval -0.92] } { Mistake. h6 was best. } { [%clk 0:09:31] } 13. Bg5?! { [%eval -1.88] } { Inaccuracy. Ng5 was best. } { [%clk 0:10:11] } 13... f6 { [%eval -2.04] [%clk 0:09:26] } 14. Bd2 { [%eval -2.43] [%clk 0:10:05] } 14... d5 { [%eval -2.47] [%clk 0:09:18] } 15. Nh4 { [%eval -2.69] [%clk 0:10:05] } 15... e4 { [%eval -2.7] [%clk 0:08:52] } 16. Qg3 { [%eval -2.57] [%clk 0:10:03] } 16... Re7 { [%eval -2.28] [%clk 0:07:40] } 17. Be3?! { [%eval -3.34] } { Inaccuracy. Rf1 was best. } { [%clk 0:09:46] } 17... Be6? { [%eval -1.53] } { Mistake. g5 was best. } { [%clk 0:07:20] } 18. Rad1?! { [%eval -2.79] } { Inaccuracy. f3 was best. } { [%clk 0:09:31] } 18... Kf7? { [%eval -1.01] } { Mistake. g5 was best. } { [%clk 0:07:14] } 19. Qf4?? { [%eval -3.9] } { Blunder. f4 was best. } { [%clk 0:09:11] } 19... g5 { [%eval -4.0] [%clk 0:07:07] } 20. Qg3 { [%eval -4.11] [%clk 0:08:42] } 20... gxh4 { [%eval -3.99] [%clk 0:06:58] } 21. Qxh4 { [%eval -3.8] [%clk 0:08:42] } 21... Ke8?? { [%eval -0.46] } { Blunder. Qg8 was best. } { [%clk 0:06:51] } 22. c4? { [%eval -1.59] } { Mistake. Qxf6 was best. } { [%clk 0:08:39] } 22... d4? { [%eval 0.0] } { Mistake. Rd7 was best. } { [%clk 0:06:21] } 23. Qxe4?? { [%eval -3.65] } { Blunder. Qxf6 was best. } { [%clk 0:08:25] } 23... Bxc4 { [%eval -3.4] [%clk 0:06:01] } 24. Qf5?! { [%eval -4.5] } { Inaccuracy. Qh4 was best. } { [%clk 0:08:11] } 24... Qb6?? { [%eval 0.0] } { Blunder. Qd5 was best. } { [%clk 0:05:03] } 25. Qh5+?? { [%eval -2.38] } { Blunder. Qxf6 was best. } { [%clk 0:08:02] } 25... Kd7?? { [%eval -0.59] } { Blunder. Bf7 was best. } { [%clk 0:05:01] } 26. Qg4+?? { [%eval -3.64] } { Blunder. Qf5+ was best. } { [%clk 0:07:53] } 26... Be6 { [%eval -3.49] [%clk 0:05:03] } 27. Bxd4?! { [%eval -5.19] } { Inaccuracy. Qf4 was best. } { [%clk 0:07:48] } 27... Nxd4?? { [%eval -0.31] } { Blunder. Bxg4 was best. } { [%clk 0:05:03] } 28. Rxd4+ { [%eval -0.24] [%clk 0:07:51] } 28... Ke8 { [%eval -0.19] [%clk 0:04:16] } 29. Qh5+ { [%eval -0.28] [%clk 0:07:32] } 29... Bf7 { [%eval 0.0] [%clk 0:03:55] } 30. Rxe7+ { [%eval 0.0] [%clk 0:07:32] } 30... Kxe7 { [%eval 0.0] [%clk 0:03:57] } 31. Re4+ { [%eval 0.0] [%clk 0:07:33] } 31... Be6 { [%eval 0.0] [%clk 0:03:54] } 32. Qxh7+ { [%eval 0.0] [%clk 0:07:36] } 32... Kd6 { [%eval 0.0] [%clk 0:03:54] } 33. Qg6? { [%eval -1.29] } { Mistake. Qg7 was best. } { [%clk 0:07:37] } 33... Qc5? { [%eval 0.0] } { Mistake. Rf8 was best. } { [%clk 0:02:37] } 34. Qg3+ { [%eval 0.0] [%clk 0:07:25] } 34... Kd7 { [%eval 0.0] [%clk 0:01:07] } 35. Qd3+?? { [%eval -2.06] } { Blunder. Qg7+ was best. } { [%clk 0:07:13] } 35... Qd6?? { [%eval 5.94] } { Blunder. Bd5 was best. } { [%clk 0:00:43] } 36. Rd4 { [%eval 5.84] [%clk 0:07:11] } 36... Bd5?! { [%eval 7.85] } { Inaccuracy. Qxd4 was best. } { [%clk 0:00:47] } 37. Rxd5 { [%eval 8.06] [%clk 0:07:05] } 37... Qxd5 { [%eval 8.02] [%clk 0:00:43] } 38. Qxd5+ { [%eval 7.81] [%clk 0:07:08] } 38... Kc7 { [%eval 7.68] [%clk 0:00:47] } 39. b4 { [%eval 7.43] [%clk 0:07:11] } 39... Rd8 { [%eval 7.34] [%clk 0:00:51] } 40. Qc5+ { [%eval 7.33] [%clk 0:07:02] } 40... Kb8 { [%eval 7.47] [%clk 0:00:51] } 41. f4 { [%eval 7.15] [%clk 0:06:55] } 41... b6 { [%eval 7.34] [%clk 0:00:53] } 42. Qc6 { [%eval 7.59] [%clk 0:06:54] } 42... f5 { [%eval 7.38] [%clk 0:00:54] } 43. Qe6 { [%eval 7.86] [%clk 0:06:53] } 43... Rd3 { [%eval 7.56] [%clk 0:00:50] } 44. Qxf5 { [%eval 7.88] [%clk 0:06:51] } 44... Rxa3 { [%eval 9.28] [%clk 0:00:54] } 45. b5 { [%eval 9.05] [%clk 0:06:51] } 45... Ra1+ { [%eval 9.55] [%clk 0:00:57] } 46. Kf2 { [%eval 9.4] [%clk 0:06:54] } 46... Ra2+ { [%eval 9.35] [%clk 0:00:59] } 47. Ke3 { [%eval 8.65] [%clk 0:06:56] } 47... Ra3+ { [%eval 9.33] [%clk 0:01:05] } 48. Kd4 { [%eval 8.58] [%clk 0:07:00] } 48... Ra4+ { [%eval 7.77] [%clk 0:01:07] } 49. Kc3 { [%eval 8.07] [%clk 0:07:03] } 49... a6 { [%eval 81.1] [%clk 0:01:02] } 50. Qd3 { [%eval 10.66] [%clk 0:06:56] } 50... Ra3+ { [%eval 9.34] [%clk 0:01:05] } 51. Kd4 { [%eval 8.1] [%clk 0:06:57] } 51... Ra4+ { [%eval 8.11] [%clk 0:00:35] } 52. Kc3 { [%eval 8.17] [%clk 0:06:58] } 52... Ra3+ { [%eval 8.05] [%clk 0:00:39] } 53. Kc4 { [%eval 6.83] [%clk 0:07:02] } 53... Ra4+?? { [%eval #17] } { Checkmate is now unavoidable. axb5+ was best. } { [%clk 0:00:42] } 54. Kb3 { [%eval 78.53] [%clk 0:07:05] } 54... axb5 { [%clk 0:00:31] } 55. Qxb5 { [%clk 0:07:08] } 55... Ra1 { [%clk 0:00:33] } 56. Qe5+ { [%clk 0:07:11] } 56... Kb7 { [%clk 0:00:30] } 57. Qxa1 { [%clk 0:07:11] } 1-0