[Event "USA Championship 2025"] [White "Swiercz,Dariusz"] [Black "So,Wesley"] [Site "Saint Louis"] [Round "10.3"] [Annotator "TA"] [Result "0-1"] [Date "2025.10.23"] [WhiteElo "2577"] [BlackElo "2756"] [PlyCount "144"] [TimeControl "60"] {[%evp 9,144,12,22,4,12,6,8,-12,-12,-18,-15,-17,-11,-38,-16,-48,-15,-15,-18,-18,14,7,23,20,8,-2,-10,-11,2,0,16,0,0,0,0,0,0,0,0,0,10,16,0,0,0,0,10,9,4,0,52,41,52,37,52,58,59,0,56,50,50,0,45,-9,-8,-6,-4,-60,-25,-80,-64,-70,-66,-60,-45,-132,-70,-83,-88,-96,-70,-91,-8,-8,-15,-70,-79,-156,-152,-156,-158,-173,-149,-179,-173,-174,-74,-227,-239,-231,-250,-250,-243,-248,-257,-571,-541,-421,-372,-593,-611,-948,-922,-926,-896,-1666,-1630,-1834,-1517,-1772,-2520,-4602,-1752,-2139,-683,-29976,-29977,-29977,-29978,-29978,-29979,-29984,-29985,-29987,-29988,-29991,-29992]} 1. Nf3 {[%emt 0:0:5]} d5 {[%emt 0:0:31]} 2. b3 {[%emt 0:0:4]} Bg4 {[%emt 0:4:30]} 3. Bb2 {[%emt 0:2:39]} Nd7 {[%emt 0:1:25]} 4. e3 {[%emt 0:1:51]} e6 {[%emt 0:0:44]} 5. h3 {[%emt 0:3:0]} Bh5 {[%emt 0:0:8]} 6. d3 {[%emt 0:0:37] A06: Réti Opening: 1 Nf3 d5.} h6 {[%emt 0:1:28]} 7. Nbd2 {[%emt 0:0:41]} Ngf6 {[%emt 0:0:14]} 8. g4 {[%emt 0:11:29] The position is equal.} Bg6 {[%emt 0:0:4]} 9. Rg1 {[%emt 0:0:2]} Bd6 {[%emt 0:4:6]} 10. h4 {[%emt 0:0:21]} Qe7 {[%emt 0:1:56]} 11. Bh3 $146 {[%emt 0:20:4]} (11. g5 hxg5 12. hxg5 Nh5 13. c4 c6 14. Qc2 e5 15. O-O-O a5 16. Bh3 a4 17. Nh4 axb3 18. axb3 {0-1 Rozum,I (2529)-Vastrukhin,O (2382) Sochi Lobanov Memorial Blitz 2021 (5)} )Ba3 {[%emt 0:4:55]} 12. Qc1 {[%emt 0:0:15]} Bxb2 {[%emt 0:0:15]} 13. Qxb2 {[%emt 0:0:1]} O-O-O {[%emt 0:0:20]} 14. a4 {[%emt 0:21:33]} a5 {[%emt 0:8:20]} 15. Qc3 {[%emt 0:5:57]} Qb4 {[%emt 0:1:7]} 16. Qxb4 {[%emt 0:0:8]} axb4 {[%emt 0:0:2]} 17. Ke2 {[%emt 0:2:7]} (17. h5 $5 Bh7 $8 18. O-O-O $11 )c5 {[%emt 0:2:34]} 18. Nh2 {[%emt 0:9:22]} Bh7 {[%emt 0:7:1]} 19. f4 {[%emt 0:1:39]} g5 {[%emt 0:0:41]} 20. Raf1 {[%emt 0:2:14]} Rdg8 {[%emt 0:1:0]} 21. fxg5 {[%emt 0:13:31]} hxg5 {[%emt 0:0:11]} 22. h5 $1 {[%emt 0:0:2] Inhibits Bg6.} Kd8 {[%emt 0:2:4]} 23. Rf2 {[%emt 0:0:41]} Ke7 {[%emt 0:0:37]} 24. Rgf1 {[%emt 0:0:23]} Rf8 {[%emt 0:8:31]} 25. Bg2 {[%emt 0:2:50]} Ne8 {[%emt 0:1:38][%cal Yf6e8,Ye8d6,Yd6f7,Yf7h6][%mdl 32]} 26. e4 {[%emt 0:0:37]} dxe4 {[%emt 0:0:7]} 27. Bxe4 {[%emt 0:0:40]} Nd6 {[%emt 0:0:24]} 28. Bxh7 {[%emt 0:0:28]} Rxh7 {[%emt 0:0:28]} 29. Nhf3 {[%emt 0:0:7][%cal Yd2e4]} f6 {[%emt 0:7:26]} (29... f5 $11 )30. Ne4 $14 {[%emt 0:0:16]} Nf7 {[%emt 0:0:15] Strong Square White (e4)} 31. Rg1 {[%emt 0:1:21]} Nh6 {[%emt 0:1:45]} 32. Rfg2 {[%emt 0:0:50]} Rc8 {[%emt 0:8:3]} 33. Rf2 {[%emt 0:0:11]} (33. Kd1 $14 )Rf7 {[%emt 0:6:8]} ({Black should play} 33... Rf8 $1 $11 )34. Rff1 {[%emt 0:0:51]} Rff8 {[%emt 0:0:41]} 35. Rf2 {[%emt 0:0:12]} (35. Re1 $14 )Nb6 {[%emt 0:1:5]} 36. c4 {[%emt 0:0:4]} (36. Kd2 $14 )bxc3 $11 {[%emt 0:1:13]} 37. Nxc3 {[%emt 0:0:3]} Rcd8 {[%emt 0:0:18]} 38. Rfg2 {[%emt 0:1:32]} (38. a5 $11 Nd5 39. Nxd5+ Rxd5 40. Nd2 )Rd7 {[%emt 0:5:19]} 39. Rd1 {[%emt 0:0:39]} (39. Nd2 $11 {keeps the balance.} )Rfd8 $17 {[%emt 0:0:18]} 40. Rgg1 {[%emt 0:0:30]} Nd5 {[%emt 0:4:21]} 41. Nxd5+ {[%emt 0:30:13]} Rxd5 {[%emt 0:30:2]} 42. Rd2 {[%emt 0:0:0]} (42. a5 $15 )R8d6 {[%emt 0:0:0]} (42... f5 $17 43. Nh2 (43. Nxg5 Re5+ 44. Kd1 Nxg4 $17 )(43. gxf5 $2 g4 $19 )b6 )43. b4 {[%emt 0:0:0]} cxb4 {[%emt 0:0:0]} 44. Rb1 {[%emt 0:0:0]} Nxg4 {[%emt 0:0:0]} 45. Rxb4 {[%emt 0:0:0]} Nh6 {[%emt 0:0:0]} (45... Ne5 $17 {and ...Rd7 would now be decisive} 46. Rxb7+ Rd7 47. Rxd7+ Nxd7 )46. Rxb7+ $11 {[%emt 0:0:0]} Rd7 {[%emt 0:0:0]} 47. Rdb2 {[%emt 0:0:0]} ({Better is} 47. Rxd7+ $11 Kxd7 48. Ra2 )g4 $15 {[%emt 0:0:0]} 48. Nh4 {[%emt 0:0:0]} (48. Nd2 $142 )Rxh5 $17 {[%emt 0:0:0]} (48... Rxd3 49. Ng6+ Ke8 50. a5 $11 )49. Ng6+ {[%emt 0:0:0]} Ke8 {[%emt 0:0:0]} 50. Rxd7 {[%emt 0:0:0]} Kxd7 {[%emt 0:0:0][%mdl 4096] Endgame KRN-KRN. Black is a pawn up.} 51. Rb7+ {[%emt 0:0:49] [#]} Kc6 $1 {[%emt 0:0:0]} 52. Rh7 {[%emt 0:0:10]} Rh3 {[%emt 0:6:28]} (52... Rh2+ $19 {is more deadly.} 53. Kf1 g3 54. Ne7+ Kd6 )53. Nf4 $2 {[%emt 0:5:2] [#] This costs White the game.} (53. a5 $17 {was necessary.} )Rf3 $1 $19 {[%emt 0:5:45]} (53... Rh2+ 54. Kf1 $15 )54. Nxe6 {[%emt 0:0:28]} Nf5 {[%emt 0:0:29] Dodges Nd4+} 55. Nd8+ {[%emt 0:0:33]} Kd6 {[%emt 0:2:22]} 56. a5 {[%emt 0:0:32]} Nd4+ {[%emt 0:2:59]} 57. Ke1 $2 {[%emt 0:0:26]} (57. Kd2 {nothing else works.} g3 58. a6 Rf2+ 59. Kc3 )g3 {[%emt 0:0:45][%cal Yg3g2]} (57... Rxd3 $2 58. Kf1 $19 )58. Rg7 {[%emt 0:0:9]} Nf5 {[%emt 0:0:13]} 59. Rg8 {[%emt 0:1:8]} (59. Nb7+ $142 Kc6 (59... Ke5 $2 60. Rg4 $19 )60. Nd8+ Kb5 61. Rg8 )Rxd3 {[%emt 0:0:54]} 60. a6 {[%emt 0:0:19]} Ra3 {[%emt 0:0:58][%cal Yd6d5]} 61. Rg6 {[%emt 0:0:1]} Ra1+ {[%emt 0:2:17]} (61... Rxa6 62. Rxf6+ Kd7 63. Rxa6 $14 )62. Ke2 {[%emt 0:0:9]} Kd5 {[%emt 0:0:40]} ({And not} 62... Rxa6 63. Rxf6+ Ke7 64. Rxa6 $11 )63. a7 {[%emt 0:1:29]} Ra2+ {[%emt 0:2:1]} 64. Kd3 {[%emt 0:0:11]} Rxa7 {[%emt 0:1:8]} 65. Rxf6 {[%emt 0:0:5]} Ke5 {[%emt 0:0:1]} 66. Re6+ {[%emt 0:1:17]} Kf4 {[%emt 0:0:2]} 67. Re8 {[%emt 0:0:30]} g2 {[%emt 0:1:28] Black mates.} 68. Ne6+ {[%emt 0:0:18]} Kf3 {[%emt 0:0:31]} 69. Rg8 {[%emt 0:0:42]} Rd7+ {[%emt 0:1:2]} 70. Kc3 {[%emt 0:0:26] [#]} Ng7 $1 {[%emt 0:1:13][%mdl 512]} 71. Ng5+ {[%emt 0:0:35]} (71. Nd4+ Ke3 )Kg4 {[%emt 0:0:38]} 72. Ne4 {[%emt 0:0:27]} Rc7+ {[%emt 0:0:11] Weighted Error Value: White=0.37/Black=0.16 (very precise) Mistake: White=11 Black=5 Inaccurate: White=3 Black=4 OK: White=20 Black=18 Best: White=1 Black=7 Strong: White=1 Black=2} (72... g1=B $2 {perishes.} 73. Nf6+ Kg5 74. Nxd7 $16 )0-1