Event: Round 4: Parvanyan, Ashot - He, Chenglu
Site: https://lichess.org/broadcast/sparkassen-chess-trophy-2025--a-open/round-4/UuQt8JEo/c3tKOEHH
White: Parvanyan, Ashot
WhiteTitle: IM
WhiteElo: 2403
Black: He, Chenglu
BlackElo: 1956
Result: 1-0
ECO: E11
Opening: Bogo-Indian Defense: Retreat Variation
Variant: Standard

1. Nf3 { [%eval 0.1] [%clk 1:30:54] } 1... d5 { [%eval 0.18] [%clk 1:30:49] } 2. d4 { [%eval 0.08] [%clk 1:30:47] } 2... Nf6 { [%eval 0.11] [%clk 1:31:05] } 3. c4 { [%eval 0.22] [%clk 1:31:12] } 3... e6 { [%eval 0.17] [%clk 1:31:28] } 4. g3 { [%eval 0.16] [%clk 1:31:36] } 4... Bb4+ { [%eval 0.15] [%clk 1:31:36] } 5. Bd2 { [%eval 0.13] [%clk 1:32:00] } 5... Be7 { [%eval 0.1] [%clk 1:31:59] } 6. Bg2 { [%eval 0.07] [%clk 1:32:17] } 6... O-O { [%eval 0.13] [%clk 1:32:00] } 7. O-O { [%eval 0.1] [%clk 1:32:36] } 7... c6 { [%eval 0.15] [%clk 1:31:59] } 8. Bc3 { [%eval 0.07] [%clk 1:30:24] } 8... dxc4 { [%eval 0.07] [%clk 1:24:13] } 9. a4 { [%eval 0.11] [%clk 1:30:11] } 9... Qc7 { [%eval 0.43] [%clk 1:11:22] } 10. Ne5 { [%eval 0.26] [%clk 1:24:27] } 10... b6 { [%eval 0.53] [%clk 1:06:15] } 11. Na3 { [%eval 0.19] [%clk 1:09:01] } 11... Bb7 { [%eval 0.39] [%clk 1:02:16] } 12. Naxc4 { [%eval 0.48] [%clk 1:02:54] } 12... Rd8 { [%eval 0.79] [%clk 0:59:17] } 13. a5 { [%eval 0.98] [%clk 0:51:27] } 13... Na6? { [%eval 2.2] } { Mistake. Nd5 was best. } { [%clk 0:50:16] } 14. axb6 { [%eval 2.19] [%clk 0:48:03] } 14... axb6 { [%eval 2.3] [%clk 0:50:21] } 15. Qb3 { [%eval 2.29] [%clk 0:48:03] } 15... c5? { [%eval 4.12] } { Mistake. b5 was best. } { [%clk 0:37:07] } 16. Bxb7 { [%eval 4.02] [%clk 0:41:50] } 16... Qxb7 { [%eval 3.93] [%clk 0:36:26] } 17. Qxb6 { [%eval 3.98] [%clk 0:42:09] } 17... Rdb8 { [%eval 4.23] [%clk 0:15:10] } 18. Nc6 { [%eval 4.13] [%clk 0:29:06] } 18... Qxb6 { [%eval 3.97] [%clk 0:21:03] } 19. Nxb6 { [%eval 4.21] [%clk 0:29:30] } 19... Rxb6 { [%eval 4.46] [%clk 0:21:18] } 20. Nxe7+ { [%eval 4.43] [%clk 0:29:56] } 20... Kf8 { [%eval 4.44] [%clk 0:21:04] } 21. dxc5 { [%eval 4.13] [%clk 0:30:19] } 21... Rb5 { [%eval 4.51] [%clk 0:21:00] } 22. Nc6 { [%eval 4.67] [%clk 0:29:13] } 22... Nd5 { [%eval 4.62] [%clk 0:20:03] } 23. Be5 { [%eval 4.3] [%clk 0:25:56] } 23... f6 { [%eval 4.53] [%clk 0:14:50] } 24. Bd6+ { [%eval 4.38] [%clk 0:25:10] } 24... Kf7 { [%eval 4.9] [%clk 0:14:38] } 25. e4 { [%eval 5.25] [%clk 0:24:21] } 25... Ndb4 { [%eval 5.26] [%clk 0:13:40] } 26. Nxb4 { [%eval 5.1] [%clk 0:24:19] } 26... Rxb4 { [%eval 5.08] [%clk 0:14:05] } 27. Ra2 { [%eval 5.08] [%clk 0:24:37] } 27... Nc7 { [%eval 5.57] [%clk 0:13:48] } 28. Rxa8 { [%eval 5.52] [%clk 0:25:02] } 28... Nxa8 { [%eval 5.44] [%clk 0:14:15] } 29. Ra1 { [%eval 5.48] [%clk 0:25:27] } 1-0