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-4/Bs7sUmUU/epEWz7xC
White: Song, Yaohao
WhiteElo: 0
Black: Chao, Marco
BlackElo: 1522
Result: 1-0
ECO: E90
Opening: King's Indian Defense: Normal Variation, Rare Defenses
Variant: Standard
TimeControl: 60+30

1. d4 { [%eval 0.17] [%clk 1:00:58] } 1... Nf6 { [%eval 0.19] [%clk 1:00:49] } 2. c4 { [%eval 0.18] [%clk 1:01:24] } 2... g6 { [%eval 0.28] [%clk 1:00:56] } 3. Nc3 { [%eval 0.18] [%clk 1:01:52] } 3... Bg7 { [%eval 0.51] [%clk 1:00:41] } 4. e4 { [%eval 0.49] [%clk 1:02:19] } 4... d6 { [%eval 0.55] [%clk 1:00:46] } 5. Nf3 { [%eval 0.36] [%clk 1:02:40] } 5... Nbd7 { [%eval 0.65] [%clk 1:00:40] } 6. Bf4 { [%eval 0.19] [%clk 1:03:05] } 6... e6?! { [%eval 0.92] } { Inaccuracy. e5 was best. } { [%clk 0:58:22] } 7. Bd3 { [%eval 0.5] [%clk 1:03:20] } 7... O-O { [%eval 0.42] [%clk 0:58:24] } 8. O-O { [%eval 0.62] [%clk 1:03:45] } 8... c5?? { [%eval 2.99] } { Blunder. e5 was best. } { [%clk 0:58:20] } 9. Bxd6 { [%eval 2.78] [%clk 1:04:01] } 9... Re8?! { [%eval 3.7] } { Inaccuracy. cxd4 was best. } { [%clk 0:58:08] } 10. Bxc5?? { [%eval 0.62] } { Blunder. dxc5 was best. } { [%clk 1:04:00] } 10... Nxc5 { [%eval 0.62] [%clk 0:57:44] } 11. dxc5 { [%eval 0.65] [%clk 1:04:25] } 11... b6?? { [%eval 3.8] } { Blunder. Nd7 was best. } { [%clk 0:57:48] } 12. cxb6? { [%eval 1.76] } { Mistake. e5 was best. } { [%clk 1:04:52] } 12... Qxb6 { [%eval 1.72] [%clk 0:57:29] } 13. Qb3?! { [%eval 0.77] } { Inaccuracy. Qc2 was best. } { [%clk 1:05:01] } 13... Qxb3?! { [%eval 1.85] } { Inaccuracy. Nd7 was best. } { [%clk 0:55:46] } 14. axb3 { [%eval 1.75] [%clk 1:05:29] } 14... Rb8 { [%eval 2.0] [%clk 0:55:04] } 15. Bc2 { [%eval 2.13] [%clk 1:05:37] } 15... Ra8?! { [%eval 3.35] } { Inaccuracy. a6 was best. } { [%clk 0:55:09] } 16. Nb5 { [%eval 3.19] [%clk 1:06:02] } 16... Re7 { [%eval 3.52] [%clk 0:53:58] } 17. Rfd1 { [%eval 3.24] [%clk 1:05:56] } 17... a6 { [%eval 3.99] [%clk 0:52:26] } 18. Rd8+ { [%eval 3.39] [%clk 1:06:11] } 18... Bf8?! { [%eval 5.26] } { Inaccuracy. Re8 was best. } { [%clk 0:51:52] } 19. Nd6 { [%eval 5.07] [%clk 1:06:11] } 19... Rc7 { [%eval 4.98] [%clk 0:51:30] } 20. Nxc8?! { [%eval 3.48] } { Inaccuracy. e5 was best. } { [%clk 1:06:36] } 20... Kg7?! { [%eval 5.16] } { Inaccuracy. Raxc8 was best. } { [%clk 0:50:22] } 21. Rad1?! { [%eval 3.53] } { Inaccuracy. e5 was best. } { [%clk 1:05:20] } 21... Rcxc8 { [%eval 3.54] [%clk 0:50:31] } 22. Rxc8 { [%eval 3.53] [%clk 1:05:45] } 22... Rxc8 { [%eval 3.47] [%clk 0:49:50] } 23. Ra1?! { [%eval 2.19] } { Inaccuracy. e5 was best. } { [%clk 1:06:11] } 23... Ra8 { [%eval 2.28] [%clk 0:49:47] } 24. e5?! { [%eval 1.18] } { Inaccuracy. Rd1 was best. } { [%clk 1:05:30] } 24... Nd7 { [%eval 1.16] [%clk 0:49:25] } 25. Be4 { [%eval 1.19] [%clk 1:05:40] } 25... Rb8 { [%eval 1.34] [%clk 0:49:06] } 26. Bc2 { [%eval 1.37] [%clk 1:05:55] } 26... Nc5 { [%eval 1.44] [%clk 0:49:16] } 27. Nd4 { [%eval 1.22] [%clk 1:03:44] } 27... f6?! { [%eval 1.82] } { Inaccuracy. g5 was best. } { [%clk 0:49:17] } 28. exf6+ { [%eval 1.76] [%clk 1:02:44] } 28... Kxf6 { [%eval 1.8] [%clk 0:49:24] } 29. f4 { [%eval 1.49] [%clk 1:02:39] } 29... Bg7 { [%eval 2.05] [%clk 0:49:18] } 30. Kf2 { [%eval 1.8] [%clk 0:58:20] } 30... Kf7 { [%eval 2.26] [%clk 0:49:13] } 31. Ke3 { [%eval 2.3] [%clk 0:58:12] } 31... Bxd4+? { [%eval 3.94] } { Mistake. Rb6 was best. } { [%clk 0:49:14] } 32. Kxd4 { [%eval 4.42] [%clk 0:58:35] } 32... Nxb3+ { [%eval 4.36] [%clk 0:49:25] } 33. Bxb3 { [%eval 3.91] [%clk 0:59:02] } 33... Rxb3 { [%eval 4.13] [%clk 0:49:30] } 34. Ra2 { [%eval 4.23] [%clk 0:58:14] } 34... Ke7 { [%eval 4.32] [%clk 0:49:07] } 35. g3 { [%eval 4.4] [%clk 0:57:55] } 35... h5 { [%eval 4.15] [%clk 0:48:24] } 36. Kc5 { [%eval 3.77] [%clk 0:57:43] } 36... Kd7?! { [%eval 4.89] } { Inaccuracy. h4 was best. } { [%clk 0:48:22] } 37. Kd4?! { [%eval 3.8] } { Inaccuracy. h4 was best. } { [%clk 0:57:59] } 37... Ke7?! { [%eval 4.91] } { Inaccuracy. h4 was best. } { [%clk 0:48:38] } 38. c5 { [%eval 4.62] [%clk 0:57:52] } 38... Kd7?! { [%eval 5.91] } { Inaccuracy. a5 was best. } { [%clk 0:48:31] } 39. Kc4 { [%eval 5.67] [%clk 0:58:16] } 39... Rb5 { [%eval 7.05] [%clk 0:47:57] } 40. b4 { [%eval 7.21] [%clk 0:58:30] } 40... Rb8 { [%eval 7.16] [%clk 0:47:42] } 41. Rxa6 { [%eval 7.18] [%clk 0:58:57] } 41... Rc8 { [%eval 8.89] [%clk 0:44:08] } 42. Ra7+ { [%eval 8.04] [%clk 0:59:14] } 42... Rc7? { [%eval #19] } { Checkmate is now unavoidable. Ke8 was best. } { [%clk 0:44:09] } 43. Rxc7+ { [%eval #18] [%clk 0:59:41] } 43... Kxc7 { [%eval #18] [%clk 0:44:14] } 44. Kd4 { [%eval #22] [%clk 1:00:11] } 44... Kd7 { [%eval #14] [%clk 0:44:18] } 45. b5 { [%eval #13] [%clk 1:00:37] } 45... Kc7 { [%eval #13] [%clk 0:44:13] } 46. Ke5 { [%eval #12] [%clk 1:01:03] } 46... Kd7 { [%eval #14] [%clk 0:44:18] } 47. c6+ { [%eval #14] [%clk 1:01:30] } 47... Kc7 { [%eval #14] [%clk 0:44:21] } 48. Kxe6 { [%eval #13] [%clk 1:01:57] } 48... Kc8 { [%eval #8] [%clk 0:43:55] } 49. Kd6 { [%eval #8] [%clk 1:02:23] } 49... Kb8 { [%clk 0:43:49] } 50. c7+ { [%clk 1:02:50] } 50... Kc8 { [%clk 0:43:32] } 51. b6 { [%clk 1:03:15] } 51... g5 { [%clk 0:43:36] } 52. Kc6 { [%clk 1:03:44] } 52... gxf4 { [%clk 0:43:18] } 53. b7# { [%clk 1:03:43] } 1-0