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Puzzles (3 cohencoins award for each match):

Puzzle IiT7W: 609

 Maria (1128) −2
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/GddDrnbn"] [Date "2026.06.24"] [White "Owen6"] [Black "Maria"] [Result "1-0"] [UTCDate "2026.06.24"] [UTCTime "20:09:48"] [WhiteElo "1503"] [BlackElo "1128"] [WhiteRatingDiff "+2"] [BlackRatingDiff "-2"] [WhiteTitle "🗺"] [BlackTitle "❦"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D00"] [Opening "Queen's Pawn Game: Mason Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. Bf4 { D00 Queen's Pawn Game: Mason Variation } Nf6 3. e3 Bg4 4. f3?! { (0.24 → -0.37) Inaccuracy. Be2 was best. } (4. Be2 Bxe2) 4... Bh5? { (-0.37 → 1.12) Mistake. Bd7 was best. } (4... Bd7 5. Nc3 e6 6. Qd2 Nh5 7. Be5 f6 8. Bg3 Nxg3 9. hxg3 c5 10. O-O-O) 5. Bd3? { (1.12 → -0.35) Mistake. c4 was best. } (5. c4) 5... Nc6?! { (-0.35 → 0.49) Inaccuracy. c5 was best. } (5... c5) 6. Nd2 Nb4 7. Ne2 Nxc2+?? { (0.10 → 8.17) Blunder. Nxd3+ was best. } (7... Nxd3+) 8. Bxc2 e6 9. O-O Bb4 10. a3 Bxd2 11. Qxd2 Qd7 12. Qb4 c6 13. g4 Bg6 14. Be5?? { (8.53 → 0.45) Blunder. Bxg6 was best. } (14. Bxg6 hxg6) 14... Bxc2 15. g5 Nh5 16. Qc3?! { (0.12 → -0.85) Inaccuracy. Nf4 was best. } (16. Nf4 Nxf4) 16... f6?! { (-0.85 → -0.15) Inaccuracy. Bg6 was best. } (16... Bg6) 17. gxf6 gxf6 18. Bxf6 Nxf6 19. Qxc2 Qg7+ 20. Kh1 Nh5 21. Nf4?? { (0.06 → -2.24) Blunder. b4 was best. } (21. b4 Qh6) 21... Nxf4 22. exf4 Qxd4 23. Qb3?? { (-2.13 → -5.76) Blunder. f5 was best. } (23. f5 e5) 23... Rg8?? { (-5.76 → 0.38) Blunder. O-O-O was best. } (23... O-O-O) 24. Qxb7 Rd8?? { (0.27 → 2.78) Blunder. Qb6 was best. } (24... Qb6 25. Qxh7 O-O-O 26. Rac1 Rgf8 27. Qg6 c5 28. Rfe1 Rd6 29. Re5 c4 30. Rce1 Qf2 31. Qg3) 25. Qxh7?? { (2.78 → 0.07) Blunder. Qxc6+ was best. } (25. Qxc6+) 25... Rg7 26. Qh8+?? { (0.17 → -1.63) Blunder. Qh6 was best. } (26. Qh6) 26... Ke7 27. Rad1?? { (-1.33 → -6.59) Blunder. Qh4+ was best. } (27. Qh4+ Kd7) 27... Rg1+ 28. Rxg1 Qxh8 29. Rg2 Qxb2?? { (-7.06 → 6.31) Blunder. Qh5 was best. } (29... Qh5) 30. a4?? { (6.31 → -6.71) Blunder. Rxb2 was best. } (30. Rxb2 Rf8 31. Rc1 Rxf4 32. Kg2 Rf5 33. Rxc6 Kf6 34. Re2 Re5 35. Rxe5 Kxe5 36. h4 Kf6) 30... Qd4?? { (-6.71 → 6.27) Blunder. Qb3 was best. } (30... Qb3 31. Rf1 Qd3 32. Rff2 Kd6 33. f5 Qxf5 34. Rg3 Qf4 35. Rfg2 Qc1+ 36. Rg1 Qxg1+ 37. Kxg1) 31. Rxd4 Ke8 32. Rg8+ Ke7 33. Rxd8 Kxd8 34. h4 Ke8 35. Rd2 Kf8 36. Rg2 Kf7 37. h5 d4 38. h6 d3?! { (57.12 → Mate in 11) Checkmate is now unavoidable. d3 was best. } (38... d3 39. h7 d2 40. Rxd2 Kg7 41. Rd7+ Kh8 42. Rxa7 c5 43. Kg1 c4 44. Kf2 c3 45. Ke3) 39. Rd2?! { (Mate in 11 → 12.33) Lost forced checkmate sequence. h7 was best. } (39. h7 d2 40. h8=Q d1=Q+ 41. Kh2 Ke7 42. Qe5 Qd8 43. Rg7+ Kf8 44. Rxa7 Qh4+ 45. Kg2 Qe7) 39... Kg6 40. Rxd3 Kxh6 41. Rd6 c5 42. Rxe6+ Kh5 43. Rc6 Kh4 44. f5 Kg3?! { (63.89 → Mate in 9) Checkmate is now unavoidable. Kh5 was best. } (44... Kh5 45. Rxc5 Kg5 46. Ra5 Kf6 47. Rxa7 Kxf5 48. a5 Kf4 49. a6 Kg5 50. Rg7+ Kf4 51. a7) 45. f6 Kxf3 46. f7 c4 47. f8=Q+ Ke3 48. Re6+ Kd3 49. Qb4 c3 50. Rd6+ Kc2 51. Rc6 Kd3 52. Qxc3+ Ke4 53. Qb4+ Kd5 54. Rc5+ Kd6 55. Qd4+ Ke6 56. Re5+ Kf6 57. Qf4+ Kg6 58. Rg5+ Kh6 59. Qh4# { White wins by checkmate. } 1-0
RapidOverall
01100110101001010110½½010101010101010101
14½
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