[Event "Magistral Osasco 2024"] [Site "Sao Paulo"] [Date "2024.03.19"] [Round "2.4"] [White "Molina, Roberto Junio Brito"] [Black "Di Berardino, Diego Rafael"] [Result "1-0"] [WhiteElo "2376"] [BlackElo "2497"] [Annotator "Stockfish 16"] [Variant "Standard"] [ECO "D37"] [Opening "Queen's Gambit Declined: Barmen Variation"] [Source "https://lichess.org/study/nWdIABCg/PXpM3JSE"] [Orientation "white"] 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 (4. g3 dxc4 5. Bg2 c5 6. O-O Nc6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 c3 10. bxc3 O-O 11. Nb3 Be7 12. c4 Bd7 13. Bb2 Rfd8 14. c5 Rac8 15. Rac1 Be8 16. Ne5 Rxd1+ 17. Rxd1 Nxe5 18. Bxe5 Bxc5 { Matveev,V (2368)-Baches Garcia,G (2329) chess.com INT 2020 1-0 (38) }) 4... Nbd7 $146 (4... a6 5. cxd5 exd5 6. Bg5 Be6 7. e3 Nbd7 8. Bd3 Bd6 9. O-O c6 10. Bf4 Qc7 11. Qd2 O-O 12. h3 Rfe8 13. b4 Nb6 14. Ne2 h6 15. Qc2 Nc4 16. Nd2 Nxd2 17. Qxd2 Ne4 18. Qc2 Bxf4 19. Nxf4 { Johannsson,B (1988)-Halfhide,S (2263) Bratislava SVK 2019 1/2-1/2 (55) }) 5. cxd5 exd5 6. Bg5 Bb4 7. e3 h6 { D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4). } 8. Bxf6 Qxf6 9. a3 Bxc3+! { The position is equal. } 10. bxc3 Nb6 $146 (10... O-O 11. Bd3 c5 12. g4 Re8 13. h4 Qd6 14. g5 h5 15. Kd2 g6 16. Qa4 Re7 { 1/2-1/2 (31) Anton Guijarro,D (2669)-Pichot,A (2648) Linares 2023 }) 11. Be2 c5 12. O-O c4 13. Nd2 O-O 14. e4 dxe4 15. Nxe4 Qe7 16. Bf3 Be6 17. Re1 Qc7 18. Nc5 Bd5! 19. Bxd5 Nxd5 20. Qf3 Rad8 21. Rab1 b6 22. Na6 Qf4 23. Qxf4 Nxf4 24. Nb4 Rd6 25. g3 $36 { [%mdl 2048] White has the initiative. } 25... Ne6 26. a4 { [%mdl 32] [%cal Ba3a4,Ba4b5] } 26... Nc7 27. Rbc1 Rc8 28. Nc2 b5 29. Ne3 { [#] Strongly threatening Nf5. } 29... a6?? { [%eval 213,21] Blunder. Ra6 was best. } (29... Ra6 30. axb5 Nxb5 31. Nf5 Rb8 32. Re5 Ra3 33. Kg2 Rxc3 34. Rxb5 Rxb5 35. Nxh6+ gxh6 36. Rxc3) (29... g6 { [%eval 16,14] and Black is okay. }) 30. axb5 Rb6? { [%eval 374,14] Mistake. Rf6 was best. } (30... Rf6 { [%eval 195,17] } 31. bxa6 (31. Nxc4 Nxb5 32. Ne3 Kf8 $14) 31... Rxa6 32. Kg2 g6 33. Rb1 Ra3 34. Rec1 Ne8 35. Rb6 Kg7 36. Kf3 h5 37. Rc2) 31. Nxc4 { Precisão Lichess.org: Brancas 98% Pretas 87% Precisão Chess.com: Brancas 97.5% Pretas 91.7%. Precisão Chessbase: Brancas 79%, Pretas 62%. } 1-0