Event: Round 4: Lebedev, Lion - Yu, Rock
Date: 2025-07-31
White: Lebedev, Lion
WhiteElo: 1945
Black: Yu, Rock
BlackElo: 2079
Result: 1/2-1/2
ECO: A05
Opening: King's Indian Attack: Spassky Variation
Variant: Standard
TimeControl: 3+2

1. Nf3 { [%eval 0.1] [%clk 0:03:03] } 1... Nf6 { [%eval 0.18] [%clk 0:03:02] } 2. g3 { [%eval 0.11] [%clk 0:03:04] } 2... b5 { [%eval 0.16] [%clk 0:02:43] } 3. Bg2 { [%eval 0.14] [%clk 0:03:05] } 3... Bb7 { [%eval 0.2] [%clk 0:02:45] } 4. O-O { [%eval 0.18] [%clk 0:03:05] } 4... e6 { [%eval 0.25] [%clk 0:02:46] } 5. b3 { [%eval 0.11] [%clk 0:03:06] } 5... c5 { [%eval 0.28] [%clk 0:02:47] } 6. Bb2 { [%eval 0.02] [%clk 0:03:07] } 6... Nc6 { [%eval 0.21] [%clk 0:02:48] } 7. d3 { [%eval 0.19] [%clk 0:03:03] } 7... Be7 { [%eval 0.03] [%clk 0:02:48] } 8. e4 { [%eval 0.06] [%clk 0:03:04] } 8... d5 { [%eval 0.21] [%clk 0:02:48] } 9. exd5 { [%eval 0.18] [%clk 0:03:03] } 9... exd5 { [%eval 0.13] [%clk 0:02:48] } 10. c4 { [%eval 0.0] [%clk 0:02:59] } 10... bxc4 { [%eval 0.0] [%clk 0:02:47] } 11. bxc4 { [%eval 0.05] [%clk 0:02:56] } 11... O-O { [%eval 0.09] [%clk 0:02:43] } 12. d4?! { [%eval -0.69] } { Inaccuracy. Re1 was best. } { [%clk 0:02:33] } 12... dxc4 { [%eval -0.47] [%clk 0:02:33] } 13. dxc5 { [%eval -0.8] [%clk 0:02:32] } 13... Qxd1 { [%eval -0.51] [%clk 0:02:31] } 14. Rxd1 { [%eval -0.51] [%clk 0:02:32] } 14... Bxc5 { [%eval -0.49] [%clk 0:02:31] } 15. Ne5? { [%eval -2.17] } { Mistake. Bxf6 was best. } { [%clk 0:02:22] } 15... Nxe5 { [%eval -2.26] [%clk 0:02:15] } 16. Bxb7 { [%eval -2.33] [%clk 0:02:11] } 16... Rab8?! { [%eval -1.28] } { Inaccuracy. Nd3 was best. } { [%clk 0:02:02] } 17. Bxe5 { [%eval -1.35] [%clk 0:02:09] } 17... Rxb7 { [%eval -1.22] [%clk 0:02:04] } 18. Bxf6 { [%eval -1.36] [%clk 0:01:35] } 18... gxf6 { [%eval -1.2] [%clk 0:02:05] } 19. Nd2 { [%eval -1.39] [%clk 0:01:33] } 19... Rb2 { [%eval -1.18] [%clk 0:01:51] } 20. Ne4?! { [%eval -2.11] } { Inaccuracy. Rac1 was best. } { [%clk 0:01:33] } 20... Bb6?! { [%eval -1.42] } { Inaccuracy. Rc8 was best. } { [%clk 0:01:36] } 21. Rf1?! { [%eval -2.41] } { Inaccuracy. Rdb1 was best. } { [%clk 0:01:23] } 21... Kg7? { [%eval -0.93] } { Mistake. Rc8 was best. } { [%clk 0:01:35] } 22. Rac1 { [%eval -0.78] [%clk 0:01:22] } 22... Rc8?! { [%eval 0.0] } { Inaccuracy. Rd8 was best. } { [%clk 0:01:10] } 23. Nd6 { [%eval 0.0] [%clk 0:01:21] } 23... Rc6 { [%eval 0.0] [%clk 0:01:10] } 24. Nxc4 { [%eval 0.0] [%clk 0:01:20] } 24... Rxa2 { [%eval 0.13] [%clk 0:01:11] } 25. Nxb6 { [%eval 0.0] [%clk 0:01:18] } 25... Rxc1 { [%eval 0.07] [%clk 0:01:11] } 26. Rxc1 { [%eval 0.0] [%clk 0:01:19] } 26... axb6 { [%eval 0.06] [%clk 0:01:12] } 27. Rb1 { [%eval 0.03] [%clk 0:01:17] } 27... Ra6 { [%eval 0.09] [%clk 0:01:12] } 28. Rb5 { [%eval 0.12] [%clk 0:01:18] } 28... Kf8 { [%eval 0.07] [%clk 0:01:05] } 29. Kg2 { [%eval 0.0] [%clk 0:01:18] } 29... Ke7 { [%eval 0.09] [%clk 0:01:06] } 30. Kf3 { [%eval 0.04] [%clk 0:01:17] } 30... Kd6 { [%eval -0.01] [%clk 0:01:07] } 31. Kf4 { [%eval 0.03] [%clk 0:01:17] } 31... Ke7 { [%eval 0.02] [%clk 0:01:02] } 32. Kg4 { [%eval 0.0] [%clk 0:01:14] } 32... Ra2 { [%eval 0.0] [%clk 0:00:52] } 33. Kf3 { [%eval 0.0] [%clk 0:01:12] } 33... Ra3+ { [%eval 0.0] [%clk 0:00:53] } 34. Kf4 { [%eval 0.0] [%clk 0:01:04] } 34... Ra4+ { [%eval 0.0] [%clk 0:00:54] } 35. Ke3 { [%eval 0.03] [%clk 0:00:57] } 35... Ra6 { [%eval 0.09] [%clk 0:00:55] } 36. h4 { [%eval 0.0] [%clk 0:00:56] } 36... Ke6 { [%eval 0.0] [%clk 0:00:50] } 37. Kf4 { [%eval 0.0] [%clk 0:00:56] } 37... Ra4+ { [%eval 0.0] [%clk 0:00:35] } 38. Kf3 { [%eval 0.0] [%clk 0:00:55] } 38... Ra3+ { [%eval 0.0] [%clk 0:00:34] } 39. Kg4 { [%eval 0.0] [%clk 0:00:56] } 39... Ra4+ { [%eval 0.0] [%clk 0:00:35] } 40. f4 { [%eval 0.0] [%clk 0:00:57] } 40... h5+ { [%eval 0.0] [%clk 0:00:28] } 41. Kxh5 { [%eval 0.0] [%clk 0:00:51] } 41... Ra5 { [%eval 0.0] [%clk 0:00:28] } 42. f5+ { [%eval 0.0] [%clk 0:00:46] } 42... Ke7 { [%eval 0.0] [%clk 0:00:27] } 43. Rxb6 { [%eval 0.0] [%clk 0:00:45] } 43... Rxf5+ { [%eval 0.0] [%clk 0:00:28] } 44. Kg4 { [%eval 0.0] [%clk 0:00:45] } 44... Rf1 { [%eval 0.0] [%clk 0:00:25] } 45. h5 { [%eval 0.0] [%clk 0:00:43] } 45... Kf8 { [%eval 0.0] [%clk 0:00:24] } 46. Rb2 { [%eval 0.0] [%clk 0:00:31] } 46... Kg7 { [%eval 0.0] [%clk 0:00:22] } 47. Rh2 { [%eval 0.0] [%clk 0:00:31] } 47... Kh6 { [%eval 0.0] [%clk 0:00:24] } 48. Kh4 { [%eval -0.04] [%clk 0:00:29] } 48... Rf5 { [%eval 0.0] [%clk 0:00:24] } 49. g4 { [%eval 0.0] [%clk 0:00:29] } 49... Rf4 { [%eval 0.0] [%clk 0:00:22] } 50. Kg3 { [%eval 0.0] [%clk 0:00:30] } 50... Kg5?? { [%eval 5.61] } { Blunder. Ra4 was best. } { [%clk 0:00:17] } 51. h6 { [%eval 5.11] [%clk 0:00:27] } 51... Rb4?? { [%eval #24] } { Checkmate is now unavoidable. Rxg4+ was best. } { [%clk 0:00:12] } 52. h7?? { [%eval 0.0] } { Lost forced checkmate sequence. Rh5+ was best. } { [%clk 0:00:24] } 52... Rb3+ { [%eval 0.0] [%clk 0:00:11] } 53. Kg2 { [%eval 0.0] [%clk 0:00:21] } 53... Rb2+ { [%eval 0.0] [%clk 0:00:12] } 54. Kg1 { [%eval 0.0] [%clk 0:00:10] } 54... Rb1+ { [%eval 0.0] [%clk 0:00:13] } 55. Kf2 { [%eval 0.0] [%clk 0:00:10] } 55... Rb2+ { [%eval 0.0] [%clk 0:00:14] } 56. Kg3 { [%eval 0.0] [%clk 0:00:10] } 56... Rb3+ { [%eval 0.0] [%clk 0:00:15] } 57. Kg2 { [%eval 0.0] [%clk 0:00:10] } 57... Rb2+ { [%eval 0.0] [%clk 0:00:17] } 58. Kg1 { [%eval 0.0] [%clk 0:00:10] } 58... Rb1+ { [%clk 0:00:18] } 1/2-1/2