[Event "2nd Annual Owings Mills Summer Open"] [Site "Owings MIlls, MD, United States"] [Date "????.??.??"] [Round "2.2"] [White "ULRICH, Danielle S"] [Black "TOPPER, Joshua"] [Result "1/2-1/2"] [WhiteElo "2072"] [WhiteFideId "2045028"] [BlackElo "1819"] [BlackFideId "39976165"] [GameId "2333316456173697"] [Variant "Standard"] [ECO "E00"] [Opening "Catalan Opening"] [StudyName "OMCC 2nd Annual Summer Open Boards 1 and 2"] [ChapterName "ULRICH, Danielle S - TOPPER, Joshua"] [ChapterURL "https://lichess.org/study/K2hXpn1s/EI0Xm739"] [Annotator "https://lichess.org/@/OwingsMillsChessClub"] [Orientation "white"] 1. d4 { 3 } 1... Nf6 { 316 } 2. c4 { 13 } 2... e6 { 5 } 3. g3 { 12 } 3... Bb4+ { 31 } 4. Nd2 { 35 } 4... O-O { 21 } 5. Bg2 { 80 } 5... d5 { 255 } 6. Nf3 { 559 } 6... dxc4 { 398 E01: Catalan: Early deviations. } 7. a3 { 185 } 7... Ba5 { 299 } (7... Bxd2+ 8. Bxd2 Nc6) 8. Qa4 { 166 } (8. O-O $14) 8... Bxd2+ $146 { 144 The position is equal. } (8... c6 9. Qxc4 Nbd7 10. O-O Bc7 11. Qc2 e5 12. dxe5 Nxe5 13. Nxe5 Bxe5 14. Nc4 Bc7 { 0-1 Yuffa,D (2618)-Abdusattorov,N (2750) London Classic Rapid op 15th 2025 (9) }) 9. Bxd2 { 43 } 9... Bd7 { 9 Black is weak on the dark squares } 10. Qxc4 { 135 } 10... Bc6 { 15 } 11. O-O { 464 } 11... Bd5 { 464 } 12. Qc2 { 230 } 12... c6 { 164 } 13. Rad1 { 562 } 13... Nbd7 { 337 } 14. Ne5 { 417 } (14. Rfe1 $14) 14... Bxg2 { 121 } 15. Kxg2 { 183 } 15... Nxe5 { 110 } 16. dxe5 { 35 } 16... Qd5+ { 10 } 17. f3 { 130 } 17... Qxe5 { 39 } 18. Bf4 { 206 } 18... Qb5 { 225 } 19. e4 { 64 Inhibits Nd5. } 19... Rad8 { 574 } 20. Bc7 { 84 } 20... Rxd1 { 147 } 21. Rxd1 { 9 Successful Defense White } 21... Rc8 { 12 } 22. a4 { 383 } 22... Qh5 { 550 } 23. g4 { 544 } 23... Qg5 { 559 [#] White must now prevent ...Nxg4!. } 24. Bd8 { 357 } (24. h4 { should be considered. } 24... Qxh4 25. Bf4 Nxg4 26. fxg4) 24... h5 $15 { 353 } 25. h3 { 537 } 25... h4 { 295 } 26. Qf2 { 94 } 26... Qe5 { 81 } (26... b6 { simplifies } 27. Be7 c5 28. Qd2 Qxd2+ 29. Rxd2 Rc7) 27. Qxh4 { 240 } 27... Qxb2+ { 17 } 28. Kf1 { 64 } (28. Qf2 $17 Qb3 29. Rd6) 28... Qb3 $19 { 202 } 29. Ke2 { 15 } 29... Qc2+ { 120 } (29... Qc4+ $19 30. Ke1 Qb3 (30... Qxa4 31. Bxf6 gxf6 32. Qxf6)) 30. Rd2 $17 { 48 Black is better. } 30... Qc4+ { 13 } 31. Ke1 { 52 } 31... Qc1+ { 94 } 32. Ke2 { 18 [#] } 32... Qc4+! { 48 } 33. Ke1 { 17 } 33... Qc1+ { 131 Weighted Error Value: White=0.19 (very precise) /Black=0.17 (very precise) Mistake: White=4 Black=3 Inaccurate: White=2 --- OK: White=8 Black=7 Best: White=2 Black=4 Strong: --- Black=1 } (33... Qc3 $17 34. Bxf6 gxf6) 1/2-1/2