[Event "USA Championship 2025"] [White "Swiercz,Dariusz"] [Black "Liang,Awonder"] [Site "Saint Louis"] [Round "7.2"] [Annotator "TA"] [Result "1-0"] [Date "2025.10.19"] [WhiteElo "2577"] [BlackElo "2710"] [PlyCount "79"] [TimeControl "60"] {[%evp 15,79,14,25,10,28,23,11,3,9,0,0,0,0,-7,-7,-44,-33,-38,-4,-48,15,0,1,-27,-25,-26,0,2,8,0,144,138,167,160,157,175,158,142,125,137,133,96,97,83,87,77,77,69,92,82,73,81,117,130,128,121,196,180,334,332,332,331,331,327,331,323]} 1. c4 {[%emt 0:0:3]} e6 {[%emt 0:0:54]} 2. g3 {[%emt 0:0:42]} Nf6 {[%emt 0:0:21]} 3. Bg2 {[%emt 0:0:4]} d5 {[%emt 0:0:7]} 4. Nf3 {[%emt 0:0:17]} dxc4 {[%emt 0:0:8]} 5. Qa4+ {[%emt 0:0:29]} c6 {[%emt 0:0:13]} 6. Qxc4 {[%emt 0:0:18]} b5 {[%emt 0:0:12]} 7. Qc2 {[%emt 0:1:32]} Bb7 {[%emt 0:1:7]} 8. O-O {[%emt 0:0:23]} Be7 {[%emt 0:4:19]} 9. a4 {[%emt 0:4:18] A13: English Opening: 1...e6.} O-O {[%emt 0:11:10]} 10. d3 {[%emt 0:1:17]} Nbd7 {[%emt 0:6:12]} 11. Nc3 {[%emt 0:6:55] The position is equal.} Rc8 {[%emt 0:8:23]} 12. Nd2 $146 {[%emt 0:13:41]} (12. axb5 cxb5 13. Qd1 (13. Rxa7 Bxf3 14. Bxf3 b4 $15 )a6 $15 )(12. Rd1 b4 13. Nb1 c5 14. Nbd2 Nb8 15. Nc4 Nc6 16. Bd2 Re8 17. Rac1 Nd7 18. Be3 {0-1 Konstantinov,M (2426)-Broniek,M (2412) WC-2018-S-00007} )Qb6 {[%emt 0:4:4]} 13. Nde4 {[%emt 0:2:2]} Nd5 {[%emt 0:3:59] Against Be3} 14. Bg5 $1 {[%emt 0:12:29]} f6 {[%emt 0:2:7]} 15. Bd2 {[%emt 0:7:48][%cal Yg5d2,Yd2e3,Ye3b6,Yb6a5][%mdl 32]} (15. Bh3 {looks sharper.} Kf7 16. Bc1 b4 17. Nd1 )b4 {[%emt 0:3:7]} 16. Nd1 {[%emt 0:2:10]} Qc7 {[%emt 0:5:12]} 17. Bh3 {[%emt 0:8:34]} Kf7 {[%emt 0:1:16]} (17... f5 $15 18. Ng5 Qd6 )18. Rc1 {[%emt 0:2:57]} c5 {[%emt 0:6:59]} 19. Ne3 {[%emt 0:0:46]} Nxe3 {[%emt 0:1:22]} 20. Bxe3 {[%emt 0:0:17]} Bxe4 {[%emt 0:14:10]} 21. dxe4 {[%emt 0:0:20][%cal Yh3e6]} c4 {[%emt 0:0:9]} 22. Rfd1 {[%emt 0:23:31]} a5 {[%emt 0:0:51]} (22... Rfd8 $11 )23. Qd2 $1 $16 {[%emt 0:1:9] White is more active.} Nb6 {[%emt 0:2:49] [#]} 24. Bxe6+ $1 {[%emt 0:0:20][%mdl 512]} Kxe6 {[%emt 0:0:1]} 25. Bxb6 {[%emt 0:0:6][%csl Gd1,Ge4][%cal Rd2d5]} Qe5 {[%emt 0:0:27]} 26. Qd5+ {[%emt 0:1:32]} Qxd5 {[%emt 0:0:6]} 27. exd5+ {[%emt 0:0:1]} (27. Rxd5 c3 28. bxc3 (28. Bxa5 cxb2 29. Rcd1 Rc1 $19 )Rxc3 $14 )Kd7 {[%emt 0:0:36]} 28. Bxa5 {[%emt 0:0:58][%cal Yd5d6]} Bc5 {[%emt 0:11:43] [#]} 29. d6 $1 {[%emt 0:0:24]} (29. Rxc4 Bxf2+ 30. Kxf2 Rxc4 $15 )Rc6 {[%emt 0:0:4]} 30. Bc7 {[%emt 0:3:31]} (30. Rxc4 $6 Bxf2+ 31. Kxf2 Rxc4 $15 )Rc8 {[%emt 0:2:12][%cal Rc5d6]} 31. Kf1 {[%emt 0:5:23]} (31. Rxc4 $6 Bxf2+ (31... Bxd6 $2 32. Rxc6 Kxc6 33. Bxd6 $18 )32. Kxf2 Rxc4 $11 )Bxd6 {[%emt 0:0:20]} 32. Bxd6 {[%emt 0:0:6]} Rxd6 $14 {[%emt 0:0:4][%mdl 4096] Endgame KRR-KRR. White is a pawn up.} 33. Ke1 {[%emt 0:0:16]} Rc7 {[%emt 0:4:9]} 34. Rxd6+ {[%emt 0:2:10]} Kxd6 $16 {[%emt 0:0:1] KR-KR. White is a pawn up.} 35. Kd2 {[%emt 0:0:5][%cal Yb2b3]} b3 {[%emt 0:7:41]} (35... Rc5 $16 {is a better defense.} )36. Kc3 $18 {[%emt 0:0:27] and Rd1+ would now be decisive} Re7 $2 {[%emt 0:0:19] [#]} (36... Kc5 37. a5 Kb5 )37. Rd1+ $1 {[%emt 0:0:37] White has a decisive advantage.} (37. Kxc4 $2 {perishes.} Rc7+ (37... Rxe2 38. Kxb3 Rxf2 39. Rc2 $18 )38. Kxb3 Rxc1 $19 )Kc5 {[%emt 0:0:1]} 38. Rd4 {[%emt 0:0:33]} Rxe2 {[%emt 0:0:16][%csl Gb3][%cal Re2c2]} 39. Rxc4+ {[%emt 0:0:2]} Kd5 {[%emt 0:1:4] ...Rc2+ would now be deadly.} 40. Rd4+ {[%emt 0:0:27] Weighted Error Value: White=0.08 (flawless) /Black=0.22 (precise) Mistake: --- Black=4 Inaccurate: White=3 Black=3 OK: White=6 Black=14 Best: White=3 Black=1 Strong: White=4 --- Brilliant: White=1 ---} (40. Kxb3 Rxb2+ 41. Kxb2 Kxc4 $16 )1-0