Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/jyQm7EPD"]
[Date "2026.03.10"]
[White "Scarlett"]
[Black "David3"]
[Result "0-1"]
[UTCDate "2026.03.10"]
[UTCTime "20:33:40"]
[WhiteElo "1307"]
[BlackElo "1445"]
[WhiteRatingDiff "-6"]
[BlackRatingDiff "+8"]
[WhiteTitle "WIM"]
[BlackTitle "IM🔱"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "B10"]
[Opening "Caro-Kann Defense"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 c6 { B10 Caro-Kann Defense } 2. Nf3 d5 3. exd5 cxd5 4. Nc3 Bf5 5. d4 e6 6. Bf4?! { (0.19 → -0.34) Inaccuracy. Bb5+ was best. } (6. Bb5+ Nc6 7. Ne5 Ne7 8. g4 Bg6 9. h4 h6 10. Nxg6 Nxg6 11. h5 Ne7 12. Be3 a6) 6... Nf6? { (-0.34 → 0.84) Mistake. Nc6 was best. } (6... Nc6 7. Bd3 Bg4 8. O-O Rc8 9. Be2 Nge7 10. Ne5 Nxe5 11. Bxe5 Bxe2 12. Nxe2 Qd7 13. Qd3) 7. Bb5+? { (0.84 → -0.31) Mistake. Nb5 was best. } (7. Nb5 Na6) 7... Nc6? { (-0.31 → 1.06) Mistake. Nbd7 was best. } (7... Nbd7 8. O-O Be7 9. Bd3 Bxd3 10. Qxd3 O-O 11. Ne2 Rc8 12. c3 Ne4 13. a4 a6 14. a5) 8. Bxc6+? { (1.06 → -0.25) Mistake. Ne5 was best. } (8. Ne5) 8... bxc6 9. O-O Bd6 10. Bxd6 Qxd6 11. Ne5 O-O 12. Qf3?? { (-0.08 → -1.82) Blunder. Na4 was best. } (12. Na4 Ne4) 12... g6?? { (-1.82 → 0.75) Blunder. c5 was best. } (12... c5 13. Qe3) 13. Rab1?? { (0.75 → -1.10) Blunder. g4 was best. } (13. g4 c5) 13... Qe7?? { (-1.10 → 2.42) Blunder. c5 was best. } (13... c5) 14. Rfe1?? { (2.42 → 0.59) Blunder. g4 was best. } (14. g4 Be4 15. Qe3 Ne8 16. Nxe4 dxe4 17. Qxe4 Nf6 18. Qf3 Rac8 19. c4 c5 20. dxc5 Rxc5) 14... Rab8?? { (0.59 → 5.17) Blunder. h5 was best. } (14... h5) 15. Nxc6 Qc7 16. Nxb8 Qxb8 17. Re5?? { (5.25 → -1.15) Blunder. Qe2 was best. } (17. Qe2) 17... Ng4 18. h3? { (-1.28 → -2.78) Mistake. Rxf5 was best. } (18. Rxf5 Qxh2+) 18... Nxe5 19. dxe5 Qxe5? { (-2.84 → -1.49) Mistake. Bxc2 was best. } (19... Bxc2 20. Re1 d4 21. Ne4 Bxe4 22. Rxe4 Qxb2 23. h4 Rd8 24. Qf6 Rd5 25. Kh2 Qb8 26. h5) 20. Re1?? { (-1.49 → -9.59) Blunder. Qd1 was best. } (20. Qd1 Rc8) 20... Qb8?? { (-9.59 → -1.91) Blunder. Qxe1+ was best. } (20... Qxe1+ 21. Kh2 d4 22. Qe2 Qc1 23. Nb5 a6 24. Na3 Qxb2 25. Nc4 Qxa2 26. Nd2 Qxc2 27. Qe1) 21. g4?! { (-1.91 → -2.65) Inaccuracy. b3 was best. } (21. b3 Qb4) 21... Bxc2 22. Qf6 Qxb2? { (-2.48 → -1.01) Mistake. Qb6 was best. } (22... Qb6 23. b3) 23. Nd1?? { (-1.01 → -13.17) Blunder. Nxd5 was best. } (23. Nxd5 Qxf6) 23... Qxf6 24. Ne3 Be4 25. a4?! { (-13.54 → Mate in 6) Checkmate is now unavoidable. Rd1 was best. } (25. Rd1 d4) 25... d4?! { (Mate in 6 → -13.87) Lost forced checkmate sequence. Qf3 was best. } (25... Qf3 26. Kf1 d4 27. Ng2 Qxg2+ 28. Ke2 Qf3+ 29. Kd2 Qd3+ 30. Kc1 Qc2#) 26. Nd1 Qf3 27. a5?! { (-71.69 → Mate in 1) Checkmate is now unavoidable. Rxe4 was best. } (27. Rxe4 Qxe4 28. h4 Qxg4+ 29. Kh2 Qxh4+ 30. Kg2 Qg4+ 31. Kh2 Qxd1 32. Kg3 Qg1+ 33. Kf3 d3) 27... Qg2# { Black wins by checkmate. } 0-1