[Event "U.S. National Invitational Tournaments"] [Site "Grand Rapids"] [Date "2023.07.31"] [Round "04"] [White "Yan, Ruiyang"] [Black "Zhou, Celina"] [Result "1-0"] [WhiteElo "2356"] [BlackElo "1731"] [TimeControl "5400+30"] [Annotator "Davis Zong Jr"] [Variant "Standard"] [ECO "B34"] [Opening "Sicilian Defense: Accelerated Dragon, Modern Variation"] [Source "https://lichess.org/study/w2guu0Vb/LymehE98"] [Orientation "white"] 1. e4 { [%clk 1:30:57] } 1... c5 { [%clk 1:30:56] } 2. Nf3 { [%clk 1:31:22] } 2... Nc6 { [%clk 1:31:22] } 3. Nc3 { [%clk 1:31:26] } 3... g6 { [%clk 1:31:41] } 4. d4 { [%clk 1:28:19] } 4... cxd4 { [%clk 1:32:01] } 5. Nxd4 { [%clk 1:28:45] } 5... Bg7 { [%clk 1:32:24] } 6. Nb3 { [%clk 1:27:19] } 6... Nf6 { [%clk 1:31:40] } 7. Be2 { [%clk 1:27:45] } 7... d6 { [%clk 1:31:27] } 8. O-O { [%clk 1:28:10] } 8... O-O { [%clk 1:31:24] } 9. Re1 { [%clk 1:26:56] } 9... a6 { [%clk 1:26:50] } 10. Bf1 { [%clk 1:27:13] } 10... b5 { [%clk 1:25:52] } 11. Nd5 { [%clk 1:25:44] } 11... Nxd5 { [%clk 1:20:45] } 12. exd5 { [%clk 1:26:09] } 12... Ne5 { [%clk 1:17:41] } 13. h3 { [%clk 1:17:23] } 13... Re8 { [%clk 1:12:09] } 14. a4 { A typical Sicilian situation: White has more space and activity but Black has two pawns in the center against one. } { [%clk 1:11:30] } 14... bxa4 { This move helps White's queenside plans in a way. } { [%clk 1:07:37] } (14... Bd7! $10) 15. Rxa4 { [%clk 1:06:20] } 15... Nd7 { [%clk 1:00:40] } (15... Qc7 16. Na5 $14) 16. Na5 { [%clk 1:00:01] } 16... Nb6 { [%clk 0:51:29] } 17. Ra3 { [%clk 0:59:22] } 17... Qc7 { [%clk 0:49:40] } 18. c4 { [%clk 0:58:50] } 18... Bd7 { [%clk 0:40:58] } 19. b4 $16 { Yan goes full steam ahead with the pawns! c4-c5 is on the horizon. } { [%clk 0:52:37] } 19... e6 { A good break by Zhou to challenge the center. Now the black bishop and rook jump into play. } { [%clk 0:35:15] } 20. dxe6 { [%clk 0:52:32] } 20... Bxe6 { [%clk 0:35:17] } 21. Rae3 { [%clk 0:41:46] } (21. Bf4 { Inviting the bishop to the party! }) 21... Rec8 { [%clk 0:32:44] } 22. Qf3 { [%clk 0:33:55] } 22... Rf8 { [%clk 0:29:35] } 23. Bd2 { It seems that the first player just hung a free pawn on c4... (or has she?) } { [%clk 0:30:38] } 23... Bxc4 { [%clk 0:19:18] } 24. Nxc4 { [%clk 0:22:02] } 24... Nxc4 { [%clk 0:19:36] } 25. Bxc4 { [%clk 0:22:30] } 25... Qxc4 { [%clk 0:19:56] } 26. Qxa8! { A big surprise by Yan! The weak back rank and doubled rooks allow for some interesting tactics. } { [%clk 0:22:46] } 26... Rxa8 { [%clk 0:18:56] } 27. Re8+ { [%clk 0:23:03] } 27... Bf8 { [%clk 0:18:51] } 28. Rxa8 { [%clk 0:23:28] } 28... Qd5 { [%clk 0:13:30] } 29. Rxf8+! $18 { [%clk 0:23:17] } 29... Kg7 { [%clk 0:13:52] } 30. Be3 { [%clk 0:20:18] } 30... Qb5 { [%clk 0:12:07] } 31. Rd8 { [%clk 0:19:57] } 31... Qxb4 { [%clk 0:11:35] } 32. Rd1 { [%clk 0:20:23] } 32... a5 { [%clk 0:10:03] } 33. R8xd6 { 1-0 White wins. } { [%clk 0:20:45] } 1-0