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Puzzles (3 cohencoins award for each match):

Puzzle tYbpB: 736

Puzzle oklsq: 999999999

Puzzle BTpI7: 999999999

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/9y5CLSuw"] [Date "2025.12.31"] [White "Ioana"] [Black "Maria"] [Result "0-1"] [UTCDate "2025.12.31"] [UTCTime "21:02:11"] [WhiteElo "879"] [BlackElo "1188"] [WhiteRatingDiff "-4"] [BlackRatingDiff "+3"] [BlackTitle "❦"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C42"] [Opening "Russian Game: Italian Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Bc4?! { (0.58 → -0.05) Inaccuracy. Nf3 was best. } (2. Nf3) 2... Nf6 3. Nf3?! { (-0.03 → -0.82) Inaccuracy. Nc3 was best. } { C42 Russian Game: Italian Variation } (3. Nc3 Bc5 4. Nf3 d6 5. Na4 Nxe4 6. Nxc5 Nxc5 7. d4 exd4 8. Bg5 Qd7 9. Qe2+ Ne6) 3... Nxe4 4. O-O Qe7?? { (-0.98 → 5.43) Blunder. d5 was best. } (4... d5 5. Bb3 Nc6 6. d3 Nc5 7. Nxe5 Nxe5 8. Re1 Be6 9. Rxe5 Bd6 10. Re1 O-O 11. Nd2) 5. d3?? { (5.43 → 1.26) Blunder. Re1 was best. } (5. Re1 Ng5) 5... Nc5?? { (1.26 → 3.29) Blunder. Nf6 was best. } (5... Nf6 6. Nxe5 d5 7. Bb3 Be6 8. d4 Nbd7 9. Nd3 c5 10. dxc5 Nxc5 11. Re1 Qd7 12. Nc3) 6. b4?? { (3.29 → 0.72) Blunder. Nxe5 was best. } (6. Nxe5) 6... Na4?? { (0.72 → 7.17) Blunder. Ne6 was best. } (6... Ne6) 7. Nxe5 Qxe5 8. d4?? { (7.14 → -1.90) Blunder. Re1 was best. } (8. Re1 Qe7 9. Bg5 f6 10. Bf4 Kd8 11. Rxe7 Bxe7 12. Bb3 b5 13. c4 Bxb4 14. cxb5 Re8) 8... Qe4?? { (-1.90 → 7.41) Blunder. Qf6 was best. } (8... Qf6 9. Bb3) 9. f3?? { (7.41 → -1.84) Blunder. Re1 was best. } (9. Re1) 9... Qc6?! { (-1.84 → -0.83) Inaccuracy. Qf5 was best. } (9... Qf5) 10. d5?? { (-0.83 → -8.53) Blunder. Re1+ was best. } (10. Re1+) 10... Qxc4 11. Re1+ Be7 12. c3 Nxc3 13. Nxc3 Qxc3 14. Rf1 Qxa1 15. f4 Qxa2 16. f5 Bxb4 17. Qh5 Bc5+ 18. Kh1 Qxd5 19. Bg5 d6 20. Re1+ Be6 21. fxe6 Bf2?? { (-15.23 → Mate in 1) Checkmate is now unavoidable. O-O was best. } (21... O-O 22. e7 Re8 23. Qg4 Nc6 24. Bf6 g6 25. Qh3 Qf5 26. Qc3 Qf2 27. Bh8 Bd4 28. Bxd4) 22. Rb1?? { (Mate in 1 → -15.30) Lost forced checkmate sequence. Qxf7# was best. } (22. Qxf7#) 22... Nc6?? { (-15.30 → Mate in 1) Checkmate is now unavoidable. O-O was best. } (22... O-O 23. exf7+ Rxf7 24. Qg4 Nc6 25. Rd1 Qf5 26. Qxf5 Rxf5 27. Bd2 Bc5 28. g3 Rf2 29. Bc3) 23. Rxb7?? { (Mate in 1 → -14.62) Lost forced checkmate sequence. Qxf7# was best. } (23. Qxf7#) 23... Nd4?? { (-14.62 → Mate in 1) Checkmate is now unavoidable. Qxe6 was best. } (23... Qxe6 24. Rb1 Ne5 25. Qe2 Bb6 26. Rc1 f6 27. Be3 O-O-O 28. Qc2 c6 29. Bg1 Kb7 30. Bf2) 24. Rxc7?? { (Mate in 1 → -14.00) Lost forced checkmate sequence. Qxf7# was best. } (24. Qxf7#) 24... Qxe6 25. g4? { (-8.53 → Mate in 1) Checkmate is now unavoidable. Re7+ was best. } (25. Re7+ Qxe7) 25... Qe1+ 26. Kg2 Qg1+ 27. Kh3 g6?! { (Mate in 1 → -21.54) Lost forced checkmate sequence. Qf1# was best. } (27... Qf1#) 28. Re7+ Kd8 29. Qh6?! { (-12.72 → Mate in 1) Checkmate is now unavoidable. Re1+ was best. } (29. Re1+ Kd7) 29... Nf3?? { (Mate in 1 → -6.19) Lost forced checkmate sequence. Qf1# was best. } (29... Qf1#) 30. Re8+?? { (-6.19 → Mate in 3) Checkmate is now unavoidable. Re1+ was best. } (30. Re1+ Kd7) 30... Kxe8 31. Qg7 Qxh2# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting