Event: \Boyi Cup\China Youth Chess International Open Tournament 2025(Group B)
Site: https://lichess.org/broadcast/boyi-cup--international-youth-open-2025--group-b/round-7/gGgJlCZN/BNAsN1VG
White: Dou, Yushun
WhiteElo: 0
Black: Zhang, Tiankun
BlackElo: 1576
Result: 1/2-1/2
ECO: D63
Opening: Queen's Gambit Declined: Orthodox Defense, Main Line
Variant: Standard
TimeControl: 60+30

1. d4 { [%eval 0.17] [%clk 1:00:56] } 1... Nf6 { [%eval 0.19] [%clk 1:00:39] } 2. c4 { [%eval 0.18] [%clk 1:01:20] } 2... e6 { [%eval 0.14] [%clk 1:00:50] } 3. Nf3 { [%eval 0.11] [%clk 1:01:45] } 3... d5 { [%eval 0.17] [%clk 1:01:13] } 4. Nc3 { [%eval 0.08] [%clk 1:02:10] } 4... Be7 { [%eval 0.14] [%clk 1:01:26] } 5. Bg5 { [%eval 0.09] [%clk 1:02:32] } 5... O-O { [%eval 0.11] [%clk 1:01:36] } 6. e3 { [%eval 0.09] [%clk 1:02:59] } 6... Nbd7 { [%eval 0.18] [%clk 1:01:06] } 7. Rc1 { [%eval 0.1] [%clk 1:03:09] } 7... h6 { [%eval 0.2] [%clk 1:00:42] } 8. Bh4 { [%eval 0.16] [%clk 1:03:21] } 8... b6 { [%eval 0.33] [%clk 0:59:25] } 9. cxd5 { [%eval 0.37] [%clk 1:03:43] } 9... exd5 { [%eval 0.35] [%clk 0:59:03] } 10. Bd3 { [%eval 0.38] [%clk 1:04:03] } 10... c5 { [%eval 0.37] [%clk 0:58:23] } 11. O-O { [%eval 0.44] [%clk 1:03:56] } 11... Bb7 { [%eval 0.44] [%clk 0:57:08] } 12. Bb1 { [%eval 0.09] [%clk 1:02:47] } 12... Ne4 { [%eval 0.14] [%clk 0:52:47] } 13. Bxe7 { [%eval 0.13] [%clk 1:03:07] } 13... Qxe7 { [%eval 0.12] [%clk 0:52:48] } 14. dxc5 { [%eval 0.0] [%clk 1:02:41] } 14... Nxc3 { [%eval 0.0] [%clk 0:51:49] } 15. Rxc3 { [%eval 0.04] [%clk 1:02:55] } 15... Nxc5 { [%eval 0.51] [%clk 0:50:36] } 16. Qc2 { [%eval 0.21] [%clk 1:02:54] } 16... Qe4 { [%eval 0.54] [%clk 0:49:37] } 17. b4 { [%eval 0.09] [%clk 1:00:51] } 17... Qxc2 { [%eval 0.15] [%clk 0:47:54] } 18. Rxc2 { [%eval 0.1] [%clk 1:01:12] } 18... Ne6 { [%eval 0.11] [%clk 0:45:39] } 19. a3 { [%eval 0.0] [%clk 0:59:57] } 19... Rac8 { [%eval 0.0] [%clk 0:42:30] } 20. Rfc1 { [%eval 0.0] [%clk 1:00:14] } 20... Rxc2 { [%eval 0.0] [%clk 0:41:39] } 21. Rxc2 { [%eval 0.0] [%clk 1:00:43] } 21... Rc8 { [%eval 0.14] [%clk 0:41:27] } 22. Rxc8+ { [%eval 0.07] [%clk 1:00:53] } 22... Bxc8 { [%eval 0.12] [%clk 0:41:51] } 23. Ba2 { [%eval 0.15] [%clk 1:00:58] } 23... Bb7 { [%eval 0.15] [%clk 0:40:25] } 24. h4 { [%eval 0.04] [%clk 1:00:49] } 24... Kf8 { [%eval 0.15] [%clk 0:39:07] } 25. Ne5 { [%eval 0.0] [%clk 0:59:24] } 25... Ke7 { [%eval 0.0] [%clk 0:37:23] } 26. f4?! { [%eval -0.78] } { Inaccuracy. Nf3 was best. } { [%clk 0:57:54] } 26... f6?! { [%eval 0.0] } { Inaccuracy. Nc7 was best. } { [%clk 0:35:30] } 27. Ng6+?! { [%eval -0.71] } { Inaccuracy. Nf3 was best. } { [%clk 0:57:49] } 27... Kf7?! { [%eval -0.07] } { Inaccuracy. Kd6 was best. } { [%clk 0:34:03] } 28. f5 { [%eval -0.03] [%clk 0:58:09] } 28... Nc7 { [%eval -0.01] [%clk 0:31:01] } 29. Nf4 { [%eval -0.05] [%clk 0:55:44] } 29... Ke7 { [%eval -0.08] [%clk 0:30:50] } 30. a4?! { [%eval -0.97] } { Inaccuracy. g4 was best. } { [%clk 0:34:14] } 30... Kd6 { [%eval -1.17] [%clk 0:30:10] } 31. Kf2? { [%eval -2.52] } { Mistake. b5 was best. } { [%clk 0:32:40] } 31... Bc8?? { [%eval -0.06] } { Blunder. Na6 was best. } { [%clk 0:26:49] } 32. g4 { [%eval -0.05] [%clk 0:32:47] } 32... Bb7 { [%eval -0.02] [%clk 0:26:46] } 33. Ke2 { [%eval -0.27] [%clk 0:32:03] } 33... Bc6 { [%eval 0.0] [%clk 0:26:02] } 34. b5 { [%eval -0.05] [%clk 0:31:51] } 34... Bb7 { [%eval 0.0] [%clk 0:26:16] } 35. Bb3 { [%eval -0.08] [%clk 0:29:54] } 35... Ba8 { [%eval 0.0] [%clk 0:26:31] } 36. Kd3 { [%eval 0.0] [%clk 0:28:25] } 36... Bb7 { [%eval 0.16] [%clk 0:25:47] } 37. Kd4 { [%eval 0.02] [%clk 0:28:40] } 37... Ba8 { [%eval 0.06] [%clk 0:25:36] } 38. Bd1 { [%eval 0.15] [%clk 0:26:52] } 38... Bb7 { [%eval 0.11] [%clk 0:25:29] } 39. Bf3 { [%eval 0.16] [%clk 0:26:58] } 39... Ba8 { [%eval 0.05] [%clk 0:25:46] } 40. Nh5 { [%eval 0.07] [%clk 0:23:53] } 40... Ne8 { [%eval 0.14] [%clk 0:26:00] } 41. Ng3 { [%eval 0.1] [%clk 0:23:27] } 41... Nc7 { [%eval 0.22] [%clk 0:25:45] } 42. Ne2 { [%eval 0.0] [%clk 0:23:24] } 42... Bb7 { [%eval 0.4] [%clk 0:25:52] } 43. Nc1 { [%eval 0.0] [%clk 0:23:36] } 43... Ba8 { [%eval 0.0] [%clk 0:25:36] } 44. Nd3 { [%eval 0.0] [%clk 0:23:51] } 44... Bb7 { [%eval 0.27] [%clk 0:25:46] } 45. Nb4 { [%eval 0.02] [%clk 0:24:14] } 45... Ba8 { [%eval 0.07] [%clk 0:25:41] } 46. Na2 { [%eval 0.0] [%clk 0:22:50] } 46... Bb7 { [%eval 0.09] [%clk 0:25:43] } 47. Nc1 { [%eval 0.0] [%clk 0:23:15] } 47... Ba8 { [%eval 0.0] [%clk 0:26:02] } 48. Nb3 { [%eval 0.0] [%clk 0:23:37] } 48... a5? { [%eval 1.44] } { Mistake. a6 was best. } { [%clk 0:24:59] } 49. Nd2 { [%eval 1.37] [%clk 0:23:29] } 49... Ke7 { [%eval 1.96] [%clk 0:23:54] } 50. Bg2 { [%eval 1.83] [%clk 0:23:33] } 50... Kd6 { [%eval 2.06] [%clk 0:23:16] } 51. e4 { [%eval 2.07] [%clk 0:17:03] } 51... dxe4 { [%eval 2.02] [%clk 0:21:51] } 52. Nc4+ { [%eval 2.15] [%clk 0:17:29] } 52... Ke7 { [%eval 1.25] [%clk 0:21:56] } 53. Nxb6? { [%eval 0.0] } { Mistake. Bxe4 was best. } { [%clk 0:17:23] } 53... e3 { [%eval 0.0] [%clk 0:21:27] } 54. Bf1 { [%eval 0.02] [%clk 0:17:47] } 54... Bf3 { [%eval 0.0] [%clk 0:21:36] } 55. Kxe3 { [%eval 0.0] [%clk 0:17:23] } 55... Nd5+ { [%eval 0.0] [%clk 0:20:43] } 56. Nxd5+ { [%eval 0.0] [%clk 0:16:45] } 56... Bxd5 { [%eval 0.0] [%clk 0:21:02] } 57. Kd4 { [%eval 0.0] [%clk 0:16:11] } 57... Kd6 { [%eval 0.0] [%clk 0:21:02] } 58. Be2 { [%eval 0.0] [%clk 0:13:29] } 58... Bb7 { [%eval 0.0] [%clk 0:19:18] } 59. Bd3 { [%eval 0.0] [%clk 0:12:46] } 59... Bd5 { [%eval 0.0] [%clk 0:18:55] } 60. Bc2 { [%eval 0.0] [%clk 0:12:40] } 60... Bf3 { [%eval 0.0] [%clk 0:18:24] } 61. Be4 { [%eval 0.0] [%clk 0:12:47] } 61... Bd1 { [%eval 0.0] [%clk 0:18:41] } 62. b6 { [%eval 0.0] [%clk 0:12:23] } 62... Bxa4 { [%eval 0.0] [%clk 0:18:18] } 63. b7 { [%eval 0.0] [%clk 0:12:44] } 63... Kc7 { [%eval 0.0] [%clk 0:18:30] } 64. Kc5 { [%eval 0.0] [%clk 0:09:46] } 64... Bd1 { [%eval 0.0] [%clk 0:18:06] } 65. Kb5 { [%eval 0.0] [%clk 0:09:40] } 65... a4 { [%eval 0.0] [%clk 0:18:08] } 66. Kb4 { [%eval 0.0] [%clk 0:09:35] } 66... Bb3 { [%eval 0.0] [%clk 0:15:15] } 67. Bc6 { [%eval 0.0] [%clk 0:08:23] } 67... Bd1 { [%eval 0.0] [%clk 0:15:00] } 68. Be4 { [%eval 0.0] [%clk 0:08:11] } 68... Bb3 { [%eval 0.0] [%clk 0:15:06] } 69. Bf3 { [%eval 0.0] [%clk 0:08:00] } 69... Bc2 { [%eval 0.0] [%clk 0:15:21] } 70. Kc3 { [%eval 0.0] [%clk 0:07:49] } 70... Bb3 { [%eval 0.0] [%clk 0:15:25] } 71. Kb2 { [%eval 0.0] [%clk 0:08:05] } 71... Bc4 { [%eval 0.0] [%clk 0:14:07] } 72. Kc3?? { [%eval -5.72] } { Blunder. Ka3 was best. } { [%clk 0:06:55] } 72... a3 { [%eval -5.59] [%clk 0:11:15] } 73. Kc2 { [%eval -5.54] [%clk 0:07:15] } 73... a2?? { [%eval 0.0] } { Blunder. Ba6 was best. } { [%clk 0:09:24] } 74. Kb2 { [%eval 0.0] [%clk 0:07:44] } 1/2-1/2