Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/vXAdAQdk"]
[Date "2026.01.24"]
[White "Eitan1"]
[Black "Robbie3"]
[Result "0-1"]
[UTCDate "2026.01.24"]
[UTCTime "00:09:27"]
[WhiteElo "1266"]
[BlackElo "1225"]
[WhiteRatingDiff "-11"]
[BlackRatingDiff "+14"]
[BlackTitle "NM"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "A04"]
[Opening "Zukertort Opening: Queen's Gambit Invitation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. Nf3 e6 { A04 Zukertort Opening: Queen's Gambit Invitation } 2. Nc3 Nf6 3. d4 Nc6? { (-0.12 → 0.90) Mistake. d5 was best. } (3... d5 4. Qd3) 4. e4 d5 5. exd5 exd5 6. Bg5 Bd6?? { (0.24 → 2.83) Blunder. Bb4 was best. } (6... Bb4 7. Bb5) 7. Bxf6?! { (2.83 → 1.75) Inaccuracy. Nxd5 was best. } (7. Nxd5 Be7 8. Nxe7 Qxe7+ 9. Qe2 Be6 10. O-O-O O-O-O 11. c4 h6 12. Bxf6 Qxf6 13. d5 Nb4) 7... Qxf6 8. Nb5?? { (1.78 → -0.91) Blunder. Nxd5 was best. } (8. Nxd5 Qh6) 8... Qe7+?! { (-0.91 → -0.12) Inaccuracy. Bg4 was best. } (8... Bg4 9. Nxd6+ Qxd6 10. c3 Qe6+ 11. Kd2 O-O 12. Bd3 Qf6 13. h3 Bh5 14. Kc2 Bxf3 15. Qxf3) 9. Be2 Bb4+?! { (-0.17 → 0.34) Inaccuracy. Bf4 was best. } (9... Bf4 10. g3) 10. c3 Bd6?! { (0.17 → 0.70) Inaccuracy. Ba5 was best. } (10... Ba5 11. O-O) 11. Nxd6+ Qxd6 12. O-O O-O 13. Nh4 Bf5?? { (0.61 → 9.63) Blunder. Bd7 was best. } (13... Bd7 14. Bd3 Ne7 15. Qh5 g6 16. Qh6 Kh8 17. Qd2 Rae8 18. f4 Ng8 19. f5 Kg7) 14. Nxf5 Qf6 15. g4 Rfe8 16. c4? { (8.72 → 4.35) Mistake. Ng3 was best. } (16. Ng3) 16... Nxd4? { (4.35 → 8.20) Mistake. dxc4 was best. } (16... dxc4 17. d5) 17. f4?? { (8.20 → -6.90) Blunder. Qxd4 was best. } (17. Qxd4 Qxd4) 17... Nxe2+ 18. Kh1 Nxf4?? { (-7.23 → 1.78) Blunder. d4 was best. } (18... d4 19. Qd3 Qc6+ 20. Qf3 Qxc4 21. Rad1 Rad8 22. Rd3 c5 23. Rd2 Qd5 24. Nxd4 Nxd4 25. Qxd5) 19. cxd5?? { (1.78 → -2.16) Blunder. Rxf4 was best. } (19. Rxf4 Qxb2 20. Qd4 Qxd4 21. Rxd4 dxc4 22. Rxc4 g6 23. Nh6+ Kg7 24. g5 c6 25. Ng4 Rad8) 19... Nh3? { (-2.16 → -0.95) Mistake. Qe5 was best. } (19... Qe5 20. d6) 20. Rf3?? { (-0.95 → -3.89) Blunder. Qf3 was best. } (20. Qf3 Ng5) 20... Ng5 21. Rg3?! { (-3.62 → -5.48) Inaccuracy. Rf1 was best. } (21. Rf1 Qe5) 21... Ne4 22. Re3?! { (-5.71 → -8.98) Inaccuracy. Rf3 was best. } (22. Rf3 Qxb2) 22... Nf2+ 23. Kg2 Nxd1 24. Kf3? { (-9.15 → Mate in 3) Checkmate is now unavoidable. Rxd1 was best. } (24. Rxd1 Qxb2+ 25. Kf3 Qxh2 26. Rde1 Red8 27. Rb3 Qxa2 28. Ne7+ Kf8 29. Rxb7 Qa5 30. Re3 g6) 24... Nxe3?! { (Mate in 3 → -17.87) Lost forced checkmate sequence. Rxe3+ was best. } (24... Rxe3+ 25. Kg2 Qxb2+ 26. Kg1 Re1#) 25. Kg3?! { (-17.87 → Mate in 6) Checkmate is now unavoidable. d6 was best. } (25. d6 h5) 25... Nxf5+ 26. Kf4 Nd4+ 27. Kg3 Ne2+ 28. Kg2 Qxb2 29. Re1 Nf4+ 30. Kf3 Rxe1 31. Kxf4 Qe5+ 32. Kf3 Qxd5+ 33. Kf2 Ree8 34. Kf1 Qxa2 35. Kg1 Re1# { Black wins by checkmate. } 0-1