[Event "USA Championship 2023"] [White "Niemann,Hans Moke"] [Black "Swiercz,Dariusz"] [Site "Saint Louis"] [Round "1.3"] [Annotator "TA"] [Result "1/2-1/2"] [Date "2023.10.05"] [WhiteElo "2667"] [BlackElo "2621"] [PlyCount "94"] [TimeControl "60"] {[%evp 16,94,32,38,39,25,20,2,0,-7,65,-15,-14,-11,12,13,14,0,0,0,0,0,-13,0,36,0,34,14,29,49,127,46,43,39,39,38,47,45,39,0,129,132,155,149,156,125,137,93,95,-17,-12,-25,-22,-17,-37,-64,-41,-293,-263,-228,-68,-64,-52,-43,-55,-41,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 {[%emt 0:0:10] Adhiban,Baskaran} e5 {[%emt 0:0:5]} 2. Nf3 {[%emt 0:0:35]} Nc6 {[%emt 0:0:3]} 3. Bb5 {[%emt 0:0:31][%cal Yf1b5,Yb5a4,Ya4b3][%mdl 32]} a6 {[%emt 0:0:5]} 4. Ba4 {[%emt 0:0:23]} Nf6 {[%emt 0:0:6]} 5. O-O {[%emt 0:0:37]} Bc5 {[%emt 0:0:21]} 6. c3 {[%emt 0:4:1]} b5 {[%emt 0:0:16]} 7. Bb3 {[%emt 0:0:13]} d6 {[%emt 0:0:7]} 8. d4 {[%emt 0:0:49]} Bb6 {[%emt 0:0:5]} 9. a4 {[%emt 0:7:29]} Bg4 {[%emt 0:2:39] C78: Ruy Lopez: Archangelsk and Möller Defences.} 10. Bg5 {[%emt 0:4:12]} (10. h3 $5 {[%cal Rh3g4]} Bxf3 11. Qxf3 $11 )Rb8 {[%emt 0:5:8]} 11. d5 {[%emt 0:23:50]} (11. Bd5 $5 {[%cal Rd5c6]} Ne7 12. Bxf6 gxf6 13. h3 $11 )Ne7 {[%emt 0:1:5]} 12. h3 {[%emt 0:4:38]} Bh5 {[%emt 0:2:8] [#]} (12... Bd7 $11 )13. Qd3 $146 {[%emt 0:8:52]} ({Better is} 13. Bxf6 $14 gxf6 14. axb5 )({Predecessor:} 13. Bc2 h6 14. Bxf6 gxf6 15. Kh2 Rg8 16. Qd3 Rxg2+ 17. Kxg2 Ng6 18. Kh2 Nf4 19. Rg1 {0-1 Raja,H (2472)-Adhiban,B (2654) IND-chT 40th 2020 (5.1)} )Nd7 $1 $11 {[%emt 0:13:3]} 14. Bc2 {[%emt 0:3:13]} h6 {[%emt 0:4:30]} 15. Bxe7 {[%emt 0:6:8]} Qxe7 {[%emt 0:0:24]} 16. b4 {[%emt 0:1:12]} O-O {[%emt 0:2:26]} 17. Nbd2 {[%emt 0:1:37]} Bg6 {[%emt 0:4:51]} 18. a5 {[%emt 0:6:3]} Ba7 {[%emt 0:0:43]} 19. c4 {[%emt 0:0:10]} Nf6 {[%emt 0:6:27]} (19... f5 $5 {[%cal Rf5e4]} )20. Qc3 {[%emt 0:3:29]} Nh5 {[%emt 0:8:21]} 21. cxb5 {[%emt 0:1:45]} Nf4 {[%emt 0:8:31] Hoping for ...Ne2+.} 22. Kh2 {[%emt 0:6:15]} axb5 {[%emt 0:8:59]} (22... Rxb5 $14 23. g3 Ne2 )23. Rae1 {[%emt 0:1:35]} (23. g3 $1 $16 {[%cal Rg3f4]} Ne2 24. Qa3 )Qd7 $1 $14 {[%emt 0:1:31]} 24. Bb1 {[%emt 0:3:13]} Rbc8 {[%emt 0:18:9]} 25. Rc1 {[%emt 0:2:7]} f5 {[%emt 0:1:27]} 26. Nh4 $1 {[%emt 0:3:31]} Be8 {[%emt 0:4:19]} 27. exf5 {[%emt 0:6:45][%cal Ye4f5,Yf5f6][%mdl 32]} (27. Nxf5 {simplifies} Ne2 28. Qc6 Qxc6 29. Rxc6 Bxc6 30. Ne7+ )Ne2 {[%emt 0:1:43]} (27... Nxd5 $11 28. Qf3 Bf7 )28. Qd3 $1 $16 {[%emt 0:0:34]} Nxc1 {[%emt 0:0:36]} 29. Rxc1 {[%emt 0:0:5]} Bxf2 {[%emt 0:1:52] [#]} 30. f6 $1 {[%emt 0:0:32][%mdl 512] Qh7+ would kill now.} g5 {[%emt 0:3:17]} (30... Bxh4 $2 {leads to mate.} 31. Qh7+ Kf7 32. Qxg7# )(30... g6 31. Nxg6 )31. Nhf3 {[%emt 0:0:20][%mdl 1024] White has strong compensation.} Ba7 {[%emt 0:0:33] [#]} 32. Qf5 {[%emt 0:1:1] White is much more active. The black rooks are badly placed.} ({White should play} 32. Nxg5 $1 $16 hxg5 33. Rf1 )Be3 $11 {[%emt 0:1:22]} 33. Rc3 {[%emt 0:0:30]} Bf4+ {[%emt 0:0:25]} 34. g3 {[%emt 0:0:27] Some like it hot} Bxd2 {[%emt 0:0:27]} 35. Nxd2 {[%emt 0:0:1]} c5 {[%emt 0:1:14]} 36. bxc5 $2 {[%emt 0:1:1][%mdl 8192]} ({White should try} 36. h4 $15 )Rxc5 $19 {[%emt 0:0:39]} 37. Rxc5 {[%emt 0:0:11]} dxc5 {[%emt 0:0:28]} (37... Qxf5 $19 38. Bxf5 dxc5 )38. Qxe5 $15 {[%emt 0:0:10]} Bf7 {[%emt 0:0:30] ...Re8 would be deadly.} 39. Qe4 {[%emt 0:0:14][%csl Gb1][%cal Re4h7] Prevents Re8.} Bh5 {[%emt 0:0:11][%cal Yf8e8] And now ...Re8! would win.} 40. g4 $1 {[%emt 0:1:16] [#] Strongly threatening Nf3.} Rxf6 {[%emt 0:0:52]} 41. gxh5 {[%emt 0:1:21] Threatens to win with Nf3. The position is equal.} Rf2+ {[%emt 0:3:51]} 42. Kg3 {[%emt 0:1:58]} Rxd2 {[%emt 0:0:11]} 43. Qg6+ {[%emt 0:0:4]} Qg7 {[%emt 0:1:31]} 44. Qe8+ {[%emt 0:1:7]} Qf8 {[%emt 0:0:15]} 45. Qg6+ {[%emt 0:0:4]} (45. Qxb5 $2 Qf4# )Qg7 {[%emt 0:0:2] White must now prevent ...Qxg6.} 46. Qe8+ {[%emt 0:0:5]} Qf8 {[%emt 0:0:2]} 47. Qg6+ {[%emt 0:0:8]} (47. Qxb5 $2 Qf4# )Qg7 {[%emt 0:0:39] What a bad dream for Black. Weighted Error Value: White=0.17 (very precise) /Black=0.16 (very precise)} 1/2-1/2