Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/MHKHFN7o"]
[Date "2026.09.28"]
[White "Mattie"]
[Black "Shamshad"]
[Result "0-1"]
[UTCDate "2026.09.28"]
[UTCTime "23:26:58"]
[WhiteElo "1356"]
[BlackElo "1378"]
[WhiteRatingDiff "-18"]
[BlackRatingDiff "+21"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C50"]
[Opening "Italian Game: Giuoco Pianissimo, Italian Four Knights Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Nc3 { C50 Italian Game: Giuoco Pianissimo, Italian Four Knights Variation } O-O 6. O-O d6 7. Nd5 Bg4 8. h3?! { (0.47 → -0.30) Inaccuracy. c3 was best. } (8. c3 Nxd5) 8... Be6?! { (-0.30 → 0.60) Inaccuracy. Bxf3 was best. } (8... Bxf3 9. Qxf3 Nxd5 10. Bxd5 Nd4 11. Qd1 c6 12. Bb3 a5 13. c3 Nxb3 14. Qxb3 a4 15. Qc2) 9. Bg5 h6?? { (0.40 → 6.24) Blunder. Bxd5 was best. } (9... Bxd5) 10. Bh4?? { (6.24 → 0.21) Blunder. Nxf6+ was best. } (10. Nxf6+) 10... g5 11. Bg3?! { (0.35 → -0.28) Inaccuracy. Nxg5 was best. } (11. Nxg5 Nxd5 12. Nxe6 Qxh4 13. Nxc5 Nb6 14. Nb3 Nxc4 15. dxc4 Qxe4 16. f4 Rad8 17. Nd2 Qe3+) 11... Nxd5?? { (-0.28 → 5.24) Blunder. Bxd5 was best. } (11... Bxd5 12. exd5) 12. Bxd5?? { (5.24 → -0.74) Blunder. exd5 was best. } (12. exd5) 12... Bxd5 13. exd5 Nb4?! { (-0.55 → 0.37) Inaccuracy. Nd4 was best. } (13... Nd4) 14. c3? { (0.37 → -0.67) Mistake. c4 was best. } (14. c4 a5) 14... Nxd5 15. d4 exd4 16. Nxd4 f5?? { (-0.68 → 7.05) Blunder. Qf6 was best. } (16... Qf6 17. Nb3 c6 18. Qg4 Rad8 19. Nxc5 dxc5 20. Qa4 a6 21. Qc4 Rfe8 22. Rae1 Nf4 23. Rxe8+) 17. h4?? { (7.05 → -1.15) Blunder. Ne6 was best. } (17. Ne6 Qe8) 17... gxh4?? { (-1.15 → 3.01) Blunder. Bxd4 was best. } (17... Bxd4 18. Qxd4 Nb6 19. hxg5 hxg5 20. f3 Qf6 21. Qb4 Qf7 22. Rae1 a5 23. Qb5 Qd5 24. Qe2) 18. Bh2?? { (3.01 → -1.96) Blunder. Ne6 was best. } (18. Ne6 Ne3 19. fxe3 Qe7 20. Nxf8 hxg3 21. Qd5+ Kxf8 22. Qxf5+ Kg7 23. Qg4+ Qg5 24. Qxg5+ hxg5) 18... h3?? { (-1.96 → 5.02) Blunder. Bxd4 was best. } (18... Bxd4 19. Qxd4) 19. gxh3?? { (5.02 → -1.07) Blunder. Ne6 was best. } (19. Ne6 Qe7) 19... Kh8?? { (-1.07 → 6.10) Blunder. Bxd4 was best. } (19... Bxd4) 20. Qf3?? { (6.10 → -1.70) Blunder. Ne6 was best. } (20. Ne6) 20... Rg8+? { (-1.70 → -0.27) Mistake. Bxd4 was best. } (20... Bxd4 21. Qxd5) 21. Kh1 b6?? { (-0.25 → 7.60) Blunder. Bxd4 was best. } (21... Bxd4 22. cxd4) 22. Qxd5 Rg5 23. Bf4 Rh5 24. Kh2 Rc8 25. Rg1 Qh4? { (9.74 → Mate in 4) Checkmate is now unavoidable. Qf6 was best. } (25... Qf6 26. Rae1 c6 27. Qg2 Rg5 28. Bxg5 hxg5 29. Qxg5 Qxg5 30. Rxg5 Bxd4 31. cxd4 Rg8 32. Rh5+) 26. Rg3?? { (Mate in 4 → 6.74) Lost forced checkmate sequence. Be5+ was best. } (26. Be5+ dxe5 27. Qxe5+ Qf6 28. Qxf6+ Kh7 29. Qg7#) 26... a5?? { (6.74 → Mate in 4) Checkmate is now unavoidable. Qxf4 was best. } (26... Qxf4 27. Rg1) 27. Nxf5? { (Mate in 4 → 8.53) Lost forced checkmate sequence. Be5+ was best. } (27. Be5+ dxe5 28. Qxe5+ Qf6 29. Qxf6+ Kh7 30. Qg7#) 27... Bxf2? { (8.53 → Mate in 4) Checkmate is now unavoidable. Qxf4 was best. } (27... Qxf4 28. Qf7 Qxf2+ 29. Kh1 Qxg3 30. Nxg3 Rxh3+ 31. Kg2 Rxg3+ 32. Kxg3 Rg8+ 33. Kf3 d5 34. Rh1) 28. Nxh4?? { (Mate in 4 → 0.72) Lost forced checkmate sequence. Be5+ was best. } (28. Be5+ dxe5 29. Qxe5+ Qf6 30. Qxf6+ Kh7 31. Qg7#) 28... Bxg3+ 29. Bxg3 Rxd5 30. c4?? { (0.63 → -2.99) Blunder. Rg1 was best. } (30. Rg1 Rd2+ 31. Rg2 Rxg2+ 32. Kxg2 Kh7 33. Kf3 Rf8+ 34. Bf4 b5 35. Ng2 b4 36. c4 a4) 30... Rd2+ 31. Ng2 Rf8?? { (-3.07 → -1.07) Blunder. Rxb2 was best. } (31... Rxb2) 32. Bf4?? { (-1.07 → -8.42) Blunder. Be1 was best. } (32. Be1 Re2) 32... Rxf4 { White resigns. } 0-1