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Puzzles (3 cohencoins award for each match):

Puzzle dRUKD: 999999999

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/xndod2XI"] [Date "2025.09.24"] [White "pAtrIcK5"] [Black "snakeywaters"] [Result "0-1"] [UTCDate "2025.09.24"] [UTCTime "20:18:42"] [WhiteElo "1566"] [BlackElo "1821"] [WhiteRatingDiff "-3"] [BlackRatingDiff "+3"] [WhiteTitle "☣"] [BlackTitle "㎝"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B01"] [Opening "Scandinavian Defense: Modern Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 d5 2. exd5 Nf6 { B01 Scandinavian Defense: Modern Variation } 3. g3?? { (1.14 → -0.84) Blunder. Nf3 was best. } (3. Nf3) 3... Qxd5?! { (-0.84 → -0.18) Inaccuracy. Qxd5 was best. } (3... Qxd5 4. Nf3 Bg4 5. Bg2 Qe6+ 6. Kf1 Qa6+ 7. d3 Nc6 8. h3 Bh5 9. g4 Bg6 10. Nc3) 4. Nf3 Bg4 5. Bg2 Nc6 6. Nc3 Qh5?! { (-0.31 → 0.37) Inaccuracy. Qe6+ was best. } (6... Qe6+ 7. Kf1 Bh3 8. d4 Qf5 9. Be3 O-O-O 10. Qe2 e6 11. Nh4 Qg4 12. Qxg4 Bxg2+ 13. Kxg2) 7. O-O?? { (0.37 → -5.70) Blunder. h3 was best. } (7. h3 Bxf3 8. Bxf3 Qe5+ 9. Kf1 Qd6 10. d3 e5 11. Kg2 O-O-O 12. Re1 Qd7 13. Rb1 h5) 7... Nd4?! { (-5.70 → -3.90) Inaccuracy. Ne5 was best. } (7... Ne5) 8. d3?? { (-3.90 → -11.07) Blunder. Nxd4 was best. } (8. Nxd4 Bxd1 9. Rxd1 O-O-O 10. Nf3 e5 11. Re1 Re8 12. d3 Bb4 13. Bd2 Bxc3 14. Bxc3 e4) 8... Bxf3 9. Be3 Bxd1 10. Bxd4 Bf3 11. Nb5 Qxb5 12. Bxf3 O-O-O 13. Bxa7 b6 14. a4 Qa5 15. Bxb6 Qxb6 16. a5 Qa6 17. b4 c6 18. c4 Rxd3 19. Rfc1 Rxf3 20. b5 Qb7 21. a6 Qa8 22. b6 Kb8 23. Rd1 Nd5 24. b7 Qa7 25. cxd5 Rxf2 26. Kh1 e6 27. dxc6 Be7 28. Rdc1 Kc7 29. Rd1 Rd8 30. Rxd8 Bxd8 31. Rd1?! { (-12.54 → Mate in 7) Checkmate is now unavoidable. Rb1 was best. } (31. Rb1 Be7) 31... Rc2?! { (Mate in 7 → -13.31) Lost forced checkmate sequence. Qe3 was best. } (31... Qe3 32. b8=Q+ Kxb8 33. a7+ Ka8 34. Rxd8+ Kxa7 35. Rd7+ Ka6 36. Ra7+ Kxa7 37. h3 Qe1#) 32. Rd7+?! { (-13.31 → Mate in 7) Checkmate is now unavoidable. Rb1 was best. } (32. Rb1 Be7) 32... Kxc6 33. Rxd8 Qxa6? { (Mate in 5 → -7.77) Lost forced checkmate sequence. Qf2 was best. } (33... Qf2 34. Rc8+ Kd5 35. Rd8+ Ke4 36. Rd4+ Qxd4 37. b8=R Qd1#) 34. Rc8+? { (-7.77 → Mate in 3) Checkmate is now unavoidable. b8=N+ was best. } (34. b8=N+ Kc7) 34... Kxb7 35. Rxc2 Qa1+?? { (Mate in 1 → -6.70) Lost forced checkmate sequence. Qf1# was best. } (35... Qf1#) 36. Kg2 Qe5 37. Rf2 Qe4+ 38. Kh3 f5 39. Rb2+ Kc6 40. Ra2 Qg4+ 41. Kg2 e5 42. Ra6+ Kd5 43. Ra5+ Ke4 44. Ra4+ Ke3 45. Ra3+ Ke2 46. Ra2+ Kd3 47. Ra3+ Kc2 48. Ra2+ Kb3 49. Ra7 Qe2+ 50. Kh3?! { (-74.28 → Mate in 9) Checkmate is now unavoidable. Kh3 was best. } (50. Kh3 g5 51. Ra1 Qg4+ 52. Kg2 Qe4+ 53. Kf1 Qh1+ 54. Ke2 Qxa1 55. g4 fxg4 56. Ke3 Qd4+) 50... g6 51. Rxh7 e4? { (Mate in 6 → -9.42) Lost forced checkmate sequence. g5 was best. } (51... g5 52. Rb7+ Kc2 53. Rc7+ Kd1 54. Rd7+ Ke1 55. Rd2 Kxd2 56. g4 Qxg4#) 52. Rb7+ Ka2 53. Ra7+ Kb2 54. Rb7+ Kc3 55. Rc7+ Kb4 56. Rg7 Qg4+ 57. Kg2 e3 58. Rb7+ Kc5 59. Rc7+ Kd6 60. Rc3 e2 61. Rd3+ Ke5 62. Re3+ Kd4 63. Kf2 Qh3 64. Rxe2 Qxh2+ 65. Kf3 Qh5+ 66. Kf2 g5 67. Rd2+ { White offers draw } 67... Ke4 68. Re2+ Kd3 69. Re3+ Kd2 70. Re5 Qg4 71. Rd5+ Kc3 72. Re5 Qd4+ 73. Re3+ Kd2 74. Kf3 Qxe3+ 75. Kg2 g4 76. Kh1 Qe2 77. Kg1 Ke3 78. Kh1 Kf3 79. Kg1 Qg2# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
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