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[Event "March Chess Megatournament"] [Site "https://cohenchessclub.com/z8QxCnYL"] [Date "2025.03.23"] [White "Lev"] [Black "Ioana"] [Result "0-1"] [UTCDate "2025.03.23"] [UTCTime "22:15:54"] [WhiteElo "1146"] [BlackElo "807"] [WhiteRatingDiff "-21"] [BlackRatingDiff "+23"] [Variant "Standard"] [TimeControl "600+1"] [ECO "C20"] [Opening "Portuguese Opening"] [Termination "Time forfeit"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Bb5?! { (0.58 → -0.41) Inaccuracy. Nf3 was best. } { C20 Portuguese Opening } (2. Nf3) 2... c6 3. Ba4 b6? { (-0.24 → 0.93) Mistake. a5 was best. } (3... a5 4. c4 Bc5 5. Nc3 Qb6 6. Qe2 Ne7 7. Bc2 Qd8 8. d3 d6 9. h3 O-O 10. Be3) 4. Bb3?! { (0.93 → 0.18) Inaccuracy. Nf3 was best. } (4. Nf3 d6) 4... a5 5. d3?? { (0.26 → -3.35) Blunder. Nc3 was best. } (5. Nc3 b5) 5... b5?? { (-3.35 → 0.94) Blunder. a4 was best. } (5... a4) 6. f3?? { (0.94 → -3.82) Blunder. a4 was best. } (6. a4 bxa4 7. Bxa4 Nf6 8. Nf3 Qc7 9. O-O Be7 10. c3 d6 11. Re1 O-O 12. Nbd2 Re8) 6... Na6?? { (-3.82 → -0.78) Blunder. a4 was best. } (6... a4) 7. g4?? { (-0.78 → -6.15) Blunder. a3 was best. } (7. a3 d5 8. exd5 Nc5 9. Ba2 cxd5 10. Ne2 Nf6 11. d4 exd4 12. Nxd4 b4 13. Qe2+ Ne6) 7... f5?? { (-6.15 → -0.36) Blunder. Qh4+ was best. } (7... Qh4+ 8. Kf1 a4 9. Bxf7+ Kxf7 10. f4 Bc5 11. Qe2 d6 12. f5 Nf6 13. g5 Ng4 14. h3) 8. h3?? { (-0.36 → -2.20) Blunder. gxf5 was best. } (8. gxf5 g6) 8... fxg4?? { (-2.20 → -0.47) Blunder. d5 was best. } (8... d5 9. a4 fxe4 10. fxe4 Nc5 11. Ba2 Qh4+ 12. Kf1 h5 13. g5 Bd6 14. Qe1 Qxe1+ 15. Kxe1) 9. c4?? { (-0.47 → -5.93) Blunder. hxg4 was best. } (9. hxg4) 9... c5?? { (-5.93 → 1.10) Blunder. Qh4+ was best. } (9... Qh4+ 10. Kf1 a4 11. cxb5 axb3 12. bxa6 Bc5 13. Qe1 g3 14. Kg2 Bf2 15. Qc3 Ne7 16. f4) 10. a4?? { (1.10 → -1.12) Blunder. cxb5 was best. } (10. cxb5 g3) 10... bxa4 11. Bxa4 Bb7? { (-0.88 → 0.15) Mistake. Qh4+ was best. } (11... Qh4+ 12. Kf1) 12. Ne2?? { (0.15 → -2.53) Blunder. hxg4 was best. } (12. hxg4 Ne7 13. Bg5 Qb6 14. Nc3 Ng6 15. Qd2 Nb4 16. Nge2 Bc6 17. Ng3 Be7 18. Nf5 Bxg5) 12... Bc6?? { (-2.53 → -0.10) Blunder. Qh4+ was best. } (12... Qh4+ 13. Kf1 gxf3 14. Ng1 Nf6 15. Nxf3 Qh5 16. Nc3 Be7 17. Rh2 O-O 18. Kg1 Nb4 19. Bg5) 13. Bxc6?! { (-0.10 → -0.77) Inaccuracy. hxg4 was best. } (13. hxg4 Bxa4 14. Rxa4 Ne7 15. f4 exf4 16. Nxf4 Nc6 17. Ng6 Rg8 18. Rxh7 Qf6 19. Nf4 Nab4) 13... dxc6 14. Nec3?? { (-0.73 → -3.03) Blunder. hxg4 was best. } (14. hxg4 Nb4) 14... Qxd3?? { (-3.03 → 10.12) Blunder. gxh3 was best. } (14... gxh3 15. Rxh3 Qd7 16. Rg3 Nb4 17. f4 exf4 18. Bxf4 g6 19. Rf3 Nf6 20. Be5 Bg7 21. Bxf6) 15. Qxd3 gxf3 16. O-O Ke7 17. Rxf3 Ke6 18. Na4 Rb8 19. Nbc3 Rxb2 20. Bxb2 Nc7?! { (15.89 → Mate in 5) Checkmate is now unavoidable. Be7 was best. } (20... Be7 21. Ne2) 21. Qd8?! { (Mate in 5 → 21.63) Lost forced checkmate sequence. Rxf8 was best. } (21. Rxf8 Nd5 22. Nxd5 cxd5 23. Qxd5+ Ke7 24. Qd8+ Ke6 25. Nxc5#) 21... Bd6?! { (21.63 → Mate in 3) Checkmate is now unavoidable. Nf6 was best. } (21... Nf6 22. Qxc7) 22. Qg5?! { (Mate in 3 → 21.56) Lost forced checkmate sequence. Nb6 was best. } (22. Nb6 Nf6 23. Rxf6+ gxf6 24. Qd7#) 22... Nb5?! { (21.56 → Mate in 4) Checkmate is now unavoidable. Nf6 was best. } (22... Nf6 23. Qxg7) 23. Qxg7 Ne7 24. Qxh8?! { (Mate in 3 → 40.66) Lost forced checkmate sequence. Nb6 was best. } (24. Nb6 Rf8 25. Rxf8 Nxc3 26. Rf6#) 24... Ng6?! { (40.66 → Mate in 4) Checkmate is now unavoidable. Nd4 was best. } (24... Nd4 25. Rf6+) 25. Qxh7 Nf4 26. Qc7?! { (Mate in 4 → 11.88) Lost forced checkmate sequence. Nd5 was best. } (26. Nd5 cxd5 27. exd5+ Kf6 28. Rxf4+ Kg5 29. Rf5#) 26... Bxc7 27. Nxc5+ Kd6 { Black wins on time. } 0-1
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