Event: Round 6: Arthur Guo - Peter Prohaszka
Date: 2021-05-30
White: Arthur Guo
WhiteTitle: IM
Black: Peter Prohaszka
BlackTitle: GM
Result: 1/2-1/2
ECO: C77
Opening: Ruy Lopez: Morphy Defense, Anderssen Variation
Variant: Standard

1. e4 { [%eval 0.24] [%clk 1:30:51] } 1... e5 { [%eval 0.21] [%clk 1:30:48] } 2. Nf3 { [%eval 0.3] [%clk 1:31:15] } 2... Nc6 { [%eval 0.18] [%clk 1:31:13] } 3. Bb5 { [%eval 0.2] [%clk 1:31:35] } 3... a6 { [%eval 0.23] [%clk 1:31:35] } 4. Ba4 { [%eval 0.4] [%clk 1:31:58] } 4... Nf6 { [%eval 0.19] [%clk 1:31:58] } 5. d3 { [%eval 0.13] [%clk 1:32:17] } 5... b5 { [%eval 0.32] [%clk 1:31:16] } 6. Bb3 { [%eval 0.2] [%clk 1:32:41] } 6... Bc5 { [%eval 0.16] [%clk 1:31:41] } 7. c3 { [%eval 0.09] [%clk 1:32:57] } 7... d6 { [%eval 0.13] [%clk 1:31:00] } 8. O-O { [%eval 0.27] [%clk 1:32:50] } 8... O-O { [%eval 0.07] [%clk 1:30:59] } 9. Bg5 { [%eval 0.07] [%clk 1:32:57] } 9... Rb8 { [%eval 0.49] [%clk 1:26:29] } 10. Nbd2 { [%eval 0.31] [%clk 1:32:02] } 10... Be6?! { [%eval 0.96] } { Inaccuracy. h6 was best. } { [%clk 1:23:15] } 11. Re1 { [%eval 0.93] [%clk 1:30:31] } 11... h6 { [%eval 1.05] [%clk 1:10:38] } 12. Bh4 { [%eval 1.02] [%clk 1:30:55] } 12... g5 { [%eval 0.39] [%clk 1:08:21] } 13. Bg3 { [%eval 0.4] [%clk 1:31:10] } 13... Nh7 { [%eval 0.89] [%clk 0:59:24] } 14. Nf1 { [%eval 0.66] [%clk 1:26:39] } 14... h5 { [%eval 0.66] [%clk 0:58:11] } 15. h4 { [%eval 0.16] [%clk 1:15:59] } 15... g4 { [%eval -0.15] [%clk 0:56:17] } 16. N3h2 { [%eval -0.25] [%clk 1:09:37] } 16... Bxb3?! { [%eval 0.68] } { Inaccuracy. Qf6 was best. } { [%clk 0:34:44] } 17. axb3 { [%eval 0.38] [%clk 1:09:22] } 17... f5 { [%eval 0.04] [%clk 0:34:46] } 18. exf5 { [%eval 0.35] [%clk 1:07:50] } 18... Ne7?! { [%eval 1.26] } { Inaccuracy. a5 was best. } { [%clk 0:33:53] } 19. d4 { [%eval 1.11] [%clk 1:01:48] } 19... exd4 { [%eval 1.19] [%clk 0:33:38] } 20. cxd4 { [%eval 1.29] [%clk 1:01:24] } 20... Bb6 { [%eval 1.04] [%clk 0:32:53] } 21. Ne3 { [%eval 1.64] [%clk 0:56:20] } 21... Qd7 { [%eval 1.34] [%clk 0:33:04] } 22. Rxa6 { [%eval 1.44] [%clk 0:49:59] } 22... Nxf5 { [%eval 1.26] [%clk 0:27:14] } 23. Nxf5 { [%eval 1.07] [%clk 0:49:57] } 23... Qxf5 { [%eval 1.27] [%clk 0:27:34] } 24. Nf1 { [%eval 1.47] [%clk 0:42:37] } 24... Nf6 { [%eval 1.3] [%clk 0:25:15] } 25. Ne3 { [%eval 1.28] [%clk 0:36:40] } 25... Qg6 { [%eval 1.2] [%clk 0:24:58] } 26. Qc2? { [%eval -0.08] } { Mistake. b4 was best. } { [%clk 0:32:46] } 26... Qxc2 { [%eval -0.12] [%clk 0:15:11] } 27. Nxc2 { [%eval -0.11] [%clk 0:33:13] } 27... Nd5 { [%eval -0.03] [%clk 0:14:41] } 28. Raa1 { [%eval -0.09] [%clk 0:29:44] } 28... Rbe8 { [%eval -0.13] [%clk 0:10:36] } 29. Kf1 { [%eval 0.0] [%clk 0:28:03] } 29... Kf7 { [%eval 0.0] [%clk 0:09:02] } 30. Rxe8 { [%eval 0.0] [%clk 0:19:55] } 30... Rxe8 { [%eval 0.0] [%clk 0:09:30] } 31. Na3 { [%eval -0.02] [%clk 0:18:22] } 31... Bxd4 { [%eval 0.02] [%clk 0:05:29] } 32. Nxb5 { [%eval -0.26] [%clk 0:17:39] } 32... Bxb2 { [%eval -0.25] [%clk 0:05:40] } 33. Rd1 { [%eval -0.49] [%clk 0:11:24] } 33... Nc3 { [%eval -0.27] [%clk 0:05:28] } 34. Nxc3 { [%eval -0.26] [%clk 0:11:37] } 34... Bxc3 { [%eval -0.41] [%clk 0:05:56] } 35. f3 { [%eval -0.41] [%clk 0:10:25] } 35... gxf3 { [%eval -0.49] [%clk 0:05:39] } 36. gxf3 { [%eval -0.52] [%clk 0:10:49] } 36... Rb8 { [%eval -0.38] [%clk 0:04:42] } 37. Rd3 { [%eval -0.75] [%clk 0:09:50] } 37... Bf6 { [%eval -0.61] [%clk 0:05:04] } 38. Ke2 { [%eval -1.0] [%clk 0:09:23] } 38... Rb4 { [%eval -0.55] [%clk 0:04:32] } 39. f4? { [%eval -1.81] } { Mistake. Be1 was best. } { [%clk 0:08:16] } 39... Ke6 { [%eval -1.9] [%clk 0:04:48] } 40. Kf3 { [%eval -1.64] [%clk 0:08:38] } 40... Rb5 { [%eval -1.89] [%clk 0:05:03] } 41. Be1?! { [%eval -2.51] } { Inaccuracy. Re3+ was best. } { [%clk 0:08:18] } 41... Rd5 { [%eval -2.69] [%clk 0:02:43] } 42. Ke4 { [%eval -3.28] [%clk 0:06:50] } 42... Rc5?? { [%eval -0.88] } { Blunder. Rxd3 was best. } { [%clk 0:01:46] } 43. Kf3? { [%eval -2.48] } { Mistake. Bb4 was best. } { [%clk 0:03:46] } 43... Kf5?? { [%eval -0.48] } { Blunder. Rd5 was best. } { [%clk 0:01:00] } 44. b4?! { [%eval -1.0] } { Inaccuracy. Bb4 was best. } { [%clk 0:03:36] } 44... Rc1 { [%eval -0.81] [%clk 0:01:10] } 45. Bf2?! { [%eval -1.39] } { Inaccuracy. Bd2 was best. } { [%clk 0:02:44] } 45... Rb1? { [%eval 0.0] } { Mistake. Rc3 was best. } { [%clk 0:00:39] } 46. Rd5+ { [%eval -0.03] [%clk 0:03:03] } 46... Kg6 { [%eval 0.0] [%clk 0:00:53] } 47. b5 { [%eval 0.0] [%clk 0:03:04] } 47... Rb3+ { [%eval 0.0] [%clk 0:01:09] } 48. Ke4 { [%eval 0.0] [%clk 0:03:04] } 48... Rb4+ { [%eval 0.0] [%clk 0:01:38] } 49. Kf3 { [%eval 0.0] [%clk 0:03:27] } 49... Be7 { [%eval 0.0] [%clk 0:01:49] } 50. Be1 { [%eval 0.0] [%clk 0:03:04] } 50... Rc4 { [%eval 0.0] [%clk 0:01:09] } 51. Bf2 { [%eval 0.0] [%clk 0:02:59] } 51... Rc2 { [%eval 0.0] [%clk 0:01:12] } 52. Be1 { [%eval 0.0] [%clk 0:02:48] } 52... Rh2 { [%eval 0.0] [%clk 0:00:51] } 53. Bf2 { [%eval 0.0] [%clk 0:02:19] } 53... Rh3+ { [%eval 0.0] [%clk 0:00:50] } 54. Ke4 { [%eval 0.0] [%clk 0:02:30] } 54... Rb3 { [%eval 0.0] [%clk 0:01:08] } 55. Be1 { [%eval 0.0] [%clk 0:02:41] } 55... Rb1 { [%eval 0.0] [%clk 0:00:37] } 1/2-1/2