Event: K-12 International Schools Chess Open 2025 G3-G5
Site: Shanghai American School Puxi, China
White: Chen, Stephanie
Black: Zhang, Brandon
Result: *
ECO: D02
Opening: Queen's Pawn Game: Chigorin Variation
Variant: Standard
TimeControl: 20+5

1. Nf3 { [%eval 0.14] [%clk 0:20:08] } 1... Nc6 { [%eval 0.44] [%clk 0:20:08] } 2. d4 { [%eval 0.42] [%clk 0:20:11] } 2... d5 { [%eval 0.5] [%clk 0:20:12] } 3. g3 { [%eval 0.17] [%clk 0:20:15] } 3... Bf5 { [%eval 0.3] [%clk 0:20:15] } 4. Bg2 { [%eval 0.28] [%clk 0:20:19] } 4... Nf6 { [%eval 0.36] [%clk 0:20:18] } 5. O-O { [%eval 0.36] [%clk 0:20:21] } 5... e6 { [%eval 0.34] [%clk 0:20:22] } 6. c4 { [%eval 0.27] [%clk 0:20:21] } 6... Bd6 { [%eval 0.43] [%clk 0:20:22] } 7. b3 { [%eval 0.0] [%clk 0:20:23] } 7... h5 { [%eval 0.14] [%clk 0:20:18] } 8. Nc3 { [%eval -0.1] [%clk 0:19:51] } 8... Qd7?! { [%eval 0.48] } { Inaccuracy. Ne4 was best. } { [%clk 0:19:59] } 9. Nh4 { [%eval 0.42] [%clk 0:19:09] } 9... O-O-O? { [%eval 2.01] } { Mistake. Bh7 was best. } { [%clk 0:19:27] } 10. Nxf5 { [%eval 1.95] [%clk 0:19:03] } 10... exf5 { [%eval 1.87] [%clk 0:19:31] } 11. Nxd5?! { [%eval 1.11] } { Inaccuracy. Bg5 was best. } { [%clk 0:16:51] } 11... Nxd5 { [%eval 1.11] [%clk 0:19:32] } 12. Bxd5 { [%eval 1.05] [%clk 0:16:32] } 12... h4 { [%eval 0.99] [%clk 0:19:01] } 13. a3?! { [%eval 0.26] } { Inaccuracy. Bg2 was best. } { [%clk 0:13:54] } 13... f4? { [%eval 1.81] } { Mistake. hxg3 was best. } { [%clk 0:18:59] } 14. gxf4 { [%eval 1.77] [%clk 0:10:46] } 14... Qg4+? { [%eval 3.32] } { Mistake. Ne7 was best. } { [%clk 0:18:59] } 15. Kh1 { [%eval 3.31] [%clk 0:10:45] } 15... Bxf4 { [%eval 3.6] [%clk 0:18:37] } 16. e3 { [%eval 3.63] [%clk 0:10:09] } 16... Qxd1 { [%eval 3.67] [%clk 0:18:24] } 17. Rxd1 { [%eval 3.52] [%clk 0:10:12] } 17... Bd6 { [%eval 3.66] [%clk 0:18:26] } 18. Bxf7 { [%eval 3.67] [%clk 0:09:58] } 18... Rdf8 { [%eval 3.77] [%clk 0:18:30] } 19. Be6+ { [%eval 3.7] [%clk 0:10:02] } 19... Kd8 { [%eval 4.35] [%clk 0:18:34] } 20. Rf1 { [%eval 4.16] [%clk 0:09:52] } 20... Ke7 { [%eval 4.33] [%clk 0:18:38] } 21. Bd5 { [%eval 4.01] [%clk 0:09:35] } 21... g5 { [%eval 4.18] [%clk 0:18:40] } 22. c5 { [%eval 3.9] [%clk 0:09:36] } 22... Bxh2 { [%eval 3.96] [%clk 0:18:35] } 23. Bxc6 { [%eval 3.24] [%clk 0:09:23] } 23... bxc6 { [%eval 3.49] [%clk 0:18:38] } 24. Kxh2 { [%eval 3.45] [%clk 0:09:27] } 24... g4 { [%eval 3.4] [%clk 0:18:43] } 25. Bd2 { [%eval 2.88] [%clk 0:08:41] } 25... g3+ { [%eval 3.38] [%clk 0:18:33] } 26. Kg2 { [%eval 3.02] [%clk 0:05:52] } 26... h3+?! { [%eval 4.37] } { Inaccuracy. gxf2 was best. } { [%clk 0:18:29] } 27. Kxg3 { [%eval 3.92] [%clk 0:05:03] } 27... Rhg8+ { [%eval 4.25] [%clk 0:18:33] } 28. Kh2 { [%eval 4.27] [%clk 0:04:33] } 28... Rg2+ { [%eval 4.14] [%clk 0:18:37] } 29. Kxh3?? { [%eval #-3] } { Checkmate is now unavoidable. Kh1 was best. } { [%clk 0:04:22] } 29... Rgg8?? { [%eval 5.76] } { Lost forced checkmate sequence. Rg6 was best. } { [%clk 0:18:40] } 30. f4 { [%eval 5.74] [%clk 0:04:03] } 30... Rf7 { [%eval 5.98] [%clk 0:18:31] } 31. Be1 { [%eval 6.0] [%clk 0:03:53] } 31... Ke6 { [%eval 5.94] [%clk 0:18:27] } 32. Bh4 { [%eval 5.99] [%clk 0:03:46] } 32... Kf5 { [%eval 6.43] [%clk 0:18:30] } 33. Rg1 { [%eval 6.44] [%clk 0:03:48] } 33... Rh8 { [%eval 6.41] [%clk 0:18:23] } 34. Rg5+ { [%eval 6.27] [%clk 0:03:41] } 34... Ke4 { [%eval 6.41] [%clk 0:18:26] } 35. Re5+ { [%eval 6.53] [%clk 0:03:35] } 35... Kf3 { [%eval 6.29] [%clk 0:18:29] } 36. Rf1+ { [%eval 6.51] [%clk 0:03:35] } 36... Ke2 { [%eval 6.32] [%clk 0:18:33] } 37. Rf2+ { [%eval 6.8] [%clk 0:03:36] } 37... Kd3 { [%eval 6.89] [%clk 0:18:36] } 38. Kg3 { [%eval 6.41] [%clk 0:03:35] } 38... Rg7+ { [%eval 6.67] [%clk 0:18:38] } 39. Bg5 { [%eval 6.6] [%clk 0:03:38] } 39... Kc3 { [%eval 6.34] [%clk 0:18:37] } 40. b4 { [%eval 6.2] [%clk 0:03:30] } 40... Kb3 { [%eval 6.39] [%clk 0:18:39] } 41. Re6 { [%eval 6.16] [%clk 0:03:19] } 41... Kxa3 { [%eval 6.12] [%clk 0:18:33] } 42. Rxc6 { [%eval 6.02] [%clk 0:03:21] } 42... Kxb4 { [%eval 6.05] [%clk 0:18:37] } 43. Ra6 { [%eval 5.76] [%clk 0:03:12] } 43... Rgh7 { [%eval 6.28] [%clk 0:18:39] } 44. Rg2 { [%eval 5.79] [%clk 0:02:48] } 44... Rh3+ { [%eval 5.75] [%clk 0:18:42] } 45. Kf2 { [%eval 5.76] [%clk 0:02:52] } 45... Rf8 { [%eval 6.45] [%clk 0:18:36] } 46. Rh6 { [%eval 6.19] [%clk 0:02:50] } 46... Rxh6 { [%eval 6.3] [%clk 0:18:38] } 47. Bxh6 { [%eval 6.05] [%clk 0:02:53] } 47... Rf6 { [%eval 6.25] [%clk 0:18:41] } 48. Bg5 { [%eval 6.11] [%clk 0:02:56] } 48... Rf8 { [%eval 6.09] [%clk 0:18:45] } 49. Rh2 { [%eval 5.68] [%clk 0:02:59] } 49... a5 { [%eval 5.73] [%clk 0:18:49] } 50. c6 { [%eval 5.53] [%clk 0:03:01] } 50... a4?? { [%eval #14] } { Checkmate is now unavoidable. Kb3 was best. } { [%clk 0:18:53] } 51. Be7+ { [%eval #13] [%clk 0:03:04] } 51... Kb3 { [%eval #13] [%clk 0:18:56] } 52. Bxf8 { [%eval #11] [%clk 0:03:07] } 52... a3 { [%eval #10] [%clk 0:19:01] } 53. Bxa3 { [%eval #11] [%clk 0:03:09] } 53... Kxa3 { [%eval #8] [%clk 0:19:05] } 54. Rh7 { [%eval #15] [%clk 0:03:12] } *