Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/ZZ73KuQs"]
[Date "2026.08.23"]
[White "Luz"]
[Black "Rishi"]
[Result "1-0"]
[UTCDate "2026.08.23"]
[UTCTime "17:24:47"]
[WhiteElo "1533"]
[BlackElo "1460"]
[WhiteRatingDiff "+6"]
[BlackRatingDiff "-12"]
[WhiteTitle "IM👹"]
[BlackTitle "IM"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C41"]
[Opening "Philidor Defense"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 d6 { C41 Philidor Defense } 3. Nc3 g6? { (0.36 → 1.54) Mistake. c5 was best. } (3... c5) 4. Bc4? { (1.54 → 0.45) Mistake. d4 was best. } (4. d4 Nd7) 4... Bg7 5. d3 Nf6 6. Be3 O-O 7. O-O Nc6 8. h3 Qe7 9. Bg5 Be6 10. Nd5 Bxd5 11. Bxd5 Rab8 { Black offers draw } 12. d4? { (0.63 → -0.55) Mistake. Qd2 was best. } (12. Qd2 Nd8 13. Bb3 Ne6 14. Be3 Nc5 15. Bxc5 dxc5 16. a4 Ne8 17. g3 Kh8 18. Qg5 Bf6) 12... exd4 13. Nxd4 Nxd4?! { (-0.97 → -0.40) Inaccuracy. Qe5 was best. } (13... Qe5 14. Nf3 Qxb2 15. Rb1 Qa3 16. Re1 Nxd5 17. exd5 Na5 18. Nh2 Rfe8 19. Ng4 Rxe1+ 20. Qxe1) 14. Qxd4 Qe5?! { (-0.36 → 0.59) Inaccuracy. h6 was best. } (14... h6 15. Bxf6 Bxf6 16. Qd2 Kg7 17. c3 c6 18. Bb3 Qxe4 19. Qxd6 Rbe8 20. Rad1 a5 21. Qd3) 15. Qxe5 dxe5 16. Bxf6?! { (0.74 → -0.03) Inaccuracy. Rfd1 was best. } (16. Rfd1 Rfd8 17. Rd3 Rd6 18. Rad1 b6 19. R1d2 Kf8 20. f3 Nxd5 21. Rxd5 Rxd5 22. Rxd5) 16... Bxf6 17. Rad1 Bg7 18. Bc4 Rbd8 19. Rd3 Rxd3 20. cxd3 Rd8 21. Rd1 Rd6 22. Bd5 Rb6 23. b3 c6 24. Bc4 Bf8?? { (0.15 → 1.88) Blunder. Kf8 was best. } (24... Kf8 25. g3 a5 26. h4 h5 27. Kg2 a4 28. bxa4 Rb2 29. Kh3 Bh6 30. f4 exf4 31. Rf1) 25. d4 exd4 26. Rxd4 Bc5?? { (1.95 → 5.38) Blunder. Be7 was best. } (26... Be7 27. e5 g5 28. Rd3 Kg7 29. Rd7 Kf8 30. Rc7 a5 31. Rc8+ Kg7 32. g3 a4 33. bxa4) 27. Rd7 Kf8 28. Rxf7+ Kg8?! { (5.59 → 8.83) Inaccuracy. Ke8 was best. } (28... Ke8 29. Rxh7) 29. Rxb7+ Kh8 30. Rxb6?! { (7.12 → 5.25) Inaccuracy. Rc7 was best. } (30. Rc7) 30... Bxb6 31. e5? { (5.29 → 3.18) Mistake. g3 was best. } (31. g3 g5 32. Kg2 Bc7 33. Kf3 Kg7 34. Kg4 Kg6 35. f4 h5+ 36. Kf3 h4 37. e5 hxg3) 31... Bc5 32. e6 Kg7 33. Kh2?! { (2.90 → 1.89) Inaccuracy. g3 was best. } (33. g3) 33... Kf6 34. Kg3 Ke5 35. Kf3?! { (2.74 → 1.73) Inaccuracy. Kg4 was best. } (35. Kg4 Be7 36. h4 Kf6 37. f4 h5+ 38. Kf3 Bb4 39. g3 Be7 40. Bd3 Bb4 41. g4 Kxe6) 35... Kf5?! { (1.73 → 2.45) Inaccuracy. Kf6 was best. } (35... Kf6) 36. g4+? { (2.45 → 1.08) Mistake. h4 was best. } (36. h4 h6) 36... Ke5?! { (1.08 → 1.78) Inaccuracy. Kf6 was best. } (36... Kf6 37. Ke2 g5 38. Bd3 h6 39. Bf5 h5 40. f3 Ba3 41. Kd3 Ke5 42. Be4 hxg4 43. hxg4) 37. Kg3 a5?? { (1.98 → 5.12) Blunder. g5 was best. } (37... g5) 38. Kh4?? { (5.12 → Mate in 2) Checkmate is now unavoidable. g5 was best. } (38. g5 Kf5 39. f4 Bd6 40. Kf3 Bc5 41. h4 Bd6 42. e7 Bxe7 43. Bg8 h6 44. Bc4 hxg5) 38... Kf6?? { (Mate in 2 → 0.93) Lost forced checkmate sequence. Kf4 was best. } (38... Kf4 39. f3 Bf2#) 39. f4?? { (0.93 → Mate in 1) Checkmate is now unavoidable. Kg3 was best. } (39. Kg3 g5 40. Bd3 h6 41. Bf5 Bd6+ 42. Kf3 Bc5 43. Ke2 Ba3 44. Kd3 Ke5 45. f3 h5) 39... h6?? { (Mate in 1 → 3.01) Lost forced checkmate sequence. Bf2# was best. } (39... Bf2#) 40. g5+?? { (3.01 → 0.23) Blunder. Kg3 was best. } (40. Kg3) 40... hxg5+?? { (0.23 → 5.74) Blunder. Kf5 was best. } (40... Kf5 41. Kg3 hxg5 42. Bd3+ Kf6 43. fxg5+ Kxg5 44. Ba6 Kf5 45. Bc8 Bd6+ 46. Kg2 Ke5 47. Kf3) 41. fxg5+ Ke5 42. Kg4 Bd6 43. h4 Kd4 44. h5 gxh5+ 45. Kxh5 Be5 46. e7 { Black resigns. } 1-0