Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/nAXM1OFJ"]
[Date "2025.07.19"]
[White "Matilda"]
[Black "Sarah1"]
[Result "1-0"]
[UTCDate "2025.07.19"]
[UTCTime "17:24:28"]
[WhiteElo "1336"]
[BlackElo "1404"]
[WhiteRatingDiff "+12"]
[BlackRatingDiff "-195"]
[WhiteTitle "⛸"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C50"]
[Opening "Italian Game"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Nc6 3. Bc4 { C50 Italian Game } d6 4. Nc3 Na5 5. d3?! { (0.38 → -0.13) Inaccuracy. Be2 was best. } (5. Be2 c5) 5... Nxc4 6. dxc4 Be6 7. Qd3 Qd7?! { (-0.17 → 0.41) Inaccuracy. Be7 was best. } (7... Be7 8. h3 Nf6 9. Ng5 Bd7 10. Nf3 O-O 11. a4 a6 12. a5 Re8 13. Bg5 Be6 14. Bxf6) 8. Ng5 O-O-O?! { (0.47 → 1.37) Inaccuracy. Be7 was best. } (8... Be7 9. f3 Nf6 10. Be3 O-O 11. O-O-O a6 12. Nxe6 fxe6 13. a4 b5 14. axb5 axb5 15. cxb5) 9. Nxe6 Qxe6?! { (1.27 → 2.29) Inaccuracy. fxe6 was best. } (9... fxe6 10. O-O Nf6 11. Rd1 c6 12. Qe2 Be7 13. a4 a5 14. Be3 Qc7 15. h3 Rhf8 16. Rab1) 10. Bg5?! { (2.29 → 1.35) Inaccuracy. Be3 was best. } (10. Be3 Nf6 11. O-O Nh5 12. a4 Nf4 13. Bxf4 exf4 14. a5 c6 15. b4 f3 16. a6 b6) 10... f6?! { (1.35 → 2.37) Inaccuracy. Be7 was best. } (10... Be7) 11. Be3 Re8?! { (2.40 → 3.70) Inaccuracy. Kb8 was best. } (11... Kb8) 12. Bxa7 Be7?! { (3.69 → 5.15) Inaccuracy. f5 was best. } (12... f5 13. f3) 13. O-O-O Nh6 14. Nb5?! { (5.67 → 3.73) Inaccuracy. Nd5 was best. } (14. Nd5 Qd7) 14... c6? { (3.73 → 6.06) Mistake. Kd7 was best. } (14... Kd7 15. c5 Ra8 16. cxd6 Bxd6 17. Bc5 Nf7 18. a3 Rhc8 19. Bxd6 Nxd6 20. b3 Ra6 21. a4) 15. Nxd6+ Bxd6 16. Qxd6 Qe7?? { (5.91 → Mate in 1) Checkmate is now unavoidable. Qxd6 was best. } (16... Qxd6) 17. Qb8# { White wins by checkmate. } 1-0