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Puzzles (3 cohencoins award for each match):

Puzzle LRoph: 433

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/KtRxnTcJ"] [Date "2026.04.21"] [White "Noah13"] [Black "elijah13"] [Result "1-0"] [UTCDate "2026.04.21"] [UTCTime "20:51:33"] [WhiteElo "1281"] [BlackElo "1189"] [WhiteRatingDiff "+30"] [BlackRatingDiff "-36"] [WhiteTitle "IM"] [BlackTitle "NM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D00"] [Opening "Queen's Pawn Game: Mason Variation"] [Termination "Time forfeit"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. Bf4 { D00 Queen's Pawn Game: Mason Variation } e6 3. e4?! { (0.22 → -0.62) Inaccuracy. e3 was best. } (3. e3 c5 4. Nf3 Nf6 5. Be2 Bd6 6. Bxd6 Qxd6 7. c4 cxd4 8. Nxd4 dxc4 9. Nd2 O-O) 3... dxe4 4. Nc3 c5?? { (-0.83 → 1.42) Blunder. Nf6 was best. } (4... Nf6) 5. Nb5?? { (1.42 → -0.13) Blunder. dxc5 was best. } (5. dxc5) 5... Na6 6. f3 e3?! { (-0.62 → 0.23) Inaccuracy. cxd4 was best. } (6... cxd4 7. fxe4 Qf6 8. Qd2 e5 9. Bg3 Ne7 10. a3 Nc6 11. c3 dxc3 12. Nxc3 Nc7 13. Nf3) 7. Bxe3 cxd4 8. Bxd4 Nb4? { (0.00 → 1.36) Mistake. Nf6 was best. } (8... Nf6 9. Qd2 Be7 10. O-O-O O-O 11. Qe1 Bd7 12. Kb1 Qc8 13. a3 Bxb5 14. Bxb5 Rd8 15. Bxa6) 9. Be5? { (1.36 → 0.00) Mistake. a3 was best. } (9. a3) 9... f5?? { (0.00 → 8.60) Blunder. Nd5 was best. } (9... Nd5 10. Qd2 a6 11. Nc3 Nge7 12. O-O-O Nc6 13. Nxd5 Nxe5 14. Qe3 Nd7 15. f4 Bc5 16. Qe4) 10. Nc7+ Ke7 11. Nxa8 Nc6 12. Qd6+?? { (9.07 → 2.97) Blunder. Qxd8+ was best. } (12. Qxd8+ Kxd8 13. Bc7+ Ke8 14. O-O-O Kf7 15. Bb5 Bc5 16. Nh3 Nf6 17. Rhe1 Nd5 18. Bxc6 Be3+) 12... Qxd6 13. Bxd6+ Kxd6 14. Rd1+? { (3.26 → 1.74) Mistake. O-O-O+ was best. } (14. O-O-O+) 14... Ke7 15. Nh3 e5? { (1.99 → 3.41) Mistake. g6 was best. } (15... g6 16. Nc7 Bg7 17. Nb5 Nf6 18. Bc4 Na5 19. Na3 Bd7 20. c3 Nxc4 21. Nxc4 Bb5 22. Nd6) 16. Nb6?? { (3.41 → -5.22) Blunder. Nc7 was best. } (16. Nc7 Nf6 17. c3 g6 18. Bc4 Bh6 19. Nd5+ Nxd5 20. Bxd5 Be3 21. Nf2 Re8 22. Ke2 Bb6) 16... axb6 17. f4 Be6?! { (-6.47 → -4.44) Inaccuracy. e4 was best. } (17... e4) 18. fxe5 Nxe5 19. Bb5 Bxa2?? { (-4.61 → -1.50) Blunder. Nh6 was best. } (19... Nh6) 20. Rd7+?? { (-1.50 → -9.38) Blunder. b3 was best. } (20. b3 Kf6) 20... Ke8?? { (-9.38 → 4.57) Blunder. Nxd7 was best. } (20... Nxd7) 21. Rd5+?? { (4.57 → -1.60) Blunder. Rxb7+ was best. } (21. Rxb7+ Kd8) 21... Nc6 22. Re5+? { (-1.15 → -2.45) Mistake. b3 was best. } (22. b3 Bb4+) 22... Be7 23. O-O Nf6?? { (-1.93 → 0.91) Blunder. Bf7 was best. } (23... Bf7 24. Ng5) 24. Rfe1? { (0.91 → -0.48) Mistake. Ra1 was best. } (24. Ra1 Ng4 25. Ree1 Kf7 26. Rxa2 Bc5+ 27. Kh1 Kf6 28. c3 g5 29. Be2 Nce5 30. Ra7 Rd8) 24... Bc4?? { (-0.48 → 7.18) Blunder. Kf7 was best. } (24... Kf7 25. Bxc6) 25. Rxe7+ Kf8 26. Bxc4?? { (8.65 → 1.89) Blunder. Bxc6 was best. } (26. Bxc6 bxc6 27. Rc7 g5 28. Rxc6 Bf7 29. Rxf6 Kg7 30. Rc6 Re8 31. Rxe8 Bxe8 32. Rxb6 h6) 26... Nxe7 27. Ng5 Ng4?? { (2.03 → 4.64) Blunder. b5 was best. } (27... b5 28. Bxb5) 28. Bf7?? { (4.64 → -3.37) Blunder. Ra1 was best. } (28. Ra1 Nc8) 28... h6 29. Rd1 hxg5 30. Rd8+ Kxf7 31. Rxh8 Ne3?! { (-3.14 → -1.92) Inaccuracy. Ng8 was best. } (31... Ng8 32. Rh3 N8f6 33. Rc3 Ne5 34. Rc7+ Nfd7 35. h3 Ke6 36. Rxb7 g4 37. hxg4 Nxg4 38. Rc7) 32. g4?? { (-1.92 → -4.52) Blunder. Rb8 was best. } (32. Rb8) 32... N7d5?! { (-4.52 → -3.00) Inaccuracy. Nxg4 was best. } (32... Nxg4 33. Rb8 Ne3 34. Rxb7 Nxc2 35. Rxb6 Nd5 36. Rd6 Nf4 37. Rd2 Nb4 38. Rd7+ Kf6 39. Rd6+) 33. gxf5 Nf6?? { (-3.14 → -0.64) Blunder. Nxf5 was best. } (33... Nxf5 34. Kf2 Nd6 35. Kf3 Nf6 36. Rd8 Ke6 37. h3 Ke7 38. Rb8 Nd7 39. Rg8 Ne8 40. Ke3) 34. h4?? { (-0.64 → -3.77) Blunder. Rb8 was best. } (34. Rb8) 34... Nfg4?? { (-3.77 → -0.33) Blunder. gxh4 was best. } (34... gxh4) 35. hxg5 Nxf5 36. Rh5?? { (-0.35 → -3.63) Blunder. Rc8 was best. } (36. Rc8 Ke6 37. Rc7 Ne5 38. Rxb7 Nd7 39. c4 Nd6 40. Rc7 Ne4 41. b4 Kd6 42. Ra7 g6) 36... g6?? { (-3.63 → -0.39) Blunder. Kg6 was best. } (36... Kg6) 37. Rh8?! { (-0.39 → -1.14) Inaccuracy. Rh7+ was best. } (37. Rh7+ Ng7 38. Rh8 Ne5 39. Rb8 Nd7 40. Rxb7 Ke6 41. c4 Nf5 42. b4 Nd6 43. Rc7 Ne5) 37... Ng7? { (-1.14 → 0.28) Mistake. Nd6 was best. } (37... Nd6 38. Kg2) 38. Rh4?? { (0.28 → -1.28) Blunder. Rb8 was best. } (38. Rb8 Ne6 39. Rxb7+ Ke8 40. Rxb6 Kd7 41. Rb5 Ne3 42. c3 Nc4 43. b3 Nd6 44. Rd5 Kc6) 38... b5?? { (-1.28 → 6.22) Blunder. Ne5 was best. } (38... Ne5 39. Kg2 Nd7 40. Rh1 Ke6 41. Kf3 Ne5+ 42. Kf4 Nf7 43. Kg4 Nf5 44. Re1+ Kd5 45. Re8) 39. Rxg4 b4 40. Rf4+ Nf5 41. c4 { White wins on time. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
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