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Puzzles (3 cohencoins award for each match):

Puzzle aLY8s: 999999999

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/JZjSHZZK"] [Date "2025.09.28"] [White "Dom"] [Black "Jihoon"] [Result "0-1"] [UTCDate "2025.09.28"] [UTCTime "17:02:40"] [WhiteElo "1461"] [BlackElo "1047"] [WhiteRatingDiff "-26"] [BlackRatingDiff "+36"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C45"] [Opening "Scotch Game: Malaniuk Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 Nc6?! { (0.41 → 1.03) Inaccuracy. Nf6 was best. } (1... Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4) 2. e4 e5 3. Nf3?! { (0.88 → 0.03) Inaccuracy. d5 was best. } (3. d5 Nce7 4. Ne2 f5 5. exf5 Nxf5 6. Ng3 Nxg3 7. hxg3 Nf6 8. Be3 Bb4+ 9. c3 Ba5) 3... exd4 4. Nxd4 Bb4+?! { (0.09 → 0.75) Inaccuracy. Nf6 was best. } { C45 Scotch Game: Malaniuk Variation } (4... Nf6) 5. c3?! { (0.75 → 0.21) Inaccuracy. c3 was best. } (5. c3) 5... Bc5 6. Be3 Qf6?! { (0.49 → 1.10) Inaccuracy. Bb6 was best. } (6... Bb6 7. Bd3) 7. Bc4 Bxd4?? { (0.92 → 3.50) Blunder. Nge7 was best. } (7... Nge7 8. O-O) 8. Bxd4?? { (3.50 → 1.12) Blunder. cxd4 was best. } (8. cxd4 Nge7) 8... Nxd4 9. Qxd4 Qxd4 10. cxd4 Nf6?! { (1.02 → 1.87) Inaccuracy. d6 was best. } (10... d6 11. Nc3) 11. e5 Ne4 12. O-O O-O 13. Nc3?? { (2.80 → -2.81) Blunder. Re1 was best. } (13. Re1) 13... Nd2 14. Rfd1?? { (-2.75 → -6.01) Blunder. b3 was best. } (14. b3 Nxf1 15. Kxf1 d6 16. Nb5 dxe5 17. Nxc7 Rb8 18. dxe5 Bd7 19. a4 Rbc8 20. Nb5 Be6) 14... Nxc4 15. b3 Nb6 16. Nb5 d5?! { (-7.45 → -5.02) Inaccuracy. Nd5 was best. } (16... Nd5 17. Rdc1) 17. Nxc7 Rb8 18. a3 Bg4 19. Rd2 Rbd8 20. Nb5 f6 21. exf6 Rf7? { (-7.14 → -3.96) Mistake. Rxf6 was best. } (21... Rxf6 22. Rc2) 22. Nxa7? { (-3.96 → -6.60) Mistake. f3 was best. } (22. f3 Bf5 23. fxg7 a6 24. Nc3 Rc8 25. Ne2 Kxg7 26. Re1 Bg6 27. h4 Nd7 28. Rc1 Rxc1+) 22... Rxf6?! { (-6.60 → -4.89) Inaccuracy. Bd7 was best. } (22... Bd7) 23. Nb5 Rc6 24. Na7?! { (-5.10 → -7.13) Inaccuracy. a4 was best. } (24. a4 Re8 25. h4 Bd7 26. h5 Rec8 27. Re2 Rc1+ 28. Rxc1 Rxc1+ 29. Kh2 Bxb5 30. axb5 Kf7) 24... Rc3 25. b4 Ra8 26. Nb5 Rb3 27. Rda2 Nc8?! { (-6.25 → -3.88) Inaccuracy. Bd7 was best. } (27... Bd7 28. Nd6 Bc6 29. Re2 Nc4 30. Nf5 Rbxa3 31. Rxa3 Rxa3 32. h4 Kf8 33. h5 Ra8 34. Nxg7) 28. h3 Be6?? { (-3.76 → 2.99) Blunder. Bd7 was best. } (28... Bd7 29. Nc7) 29. Nc7 Kf7?? { (3.00 → 7.68) Blunder. Ra6 was best. } (29... Ra6 30. Nxa6) 30. Nxa8 Nd6 31. Nc7 Nf5 32. Nxe6 Kxe6 33. Rd1 Kd6 34. g4 Nh4 35. Kh2 Nf3+ 36. Kg3 Ng5+ 37. Kf4?? { (4.84 → Mate in 2) Checkmate is now unavoidable. Kh2 was best. } (37. Kh2) 37... Nxh3+ 38. Kf5 Nxf2?? { (Mate in 1 → 6.56) Lost forced checkmate sequence. Rf3# was best. } (38... Rf3#) 39. Rdd2?? { (6.56 → Mate in 4) Checkmate is now unavoidable. Rxf2 was best. } (39. Rxf2 Rxa3) 39... Ne4?? { (Mate in 4 → -0.15) Lost forced checkmate sequence. Rf3+ was best. } (39... Rf3+ 40. Kg5 Ne4+ 41. Kh4 g5+ 42. Kh5 Rh3#) 40. Re2?? { (-0.15 → Mate in 1) Checkmate is now unavoidable. g5 was best. } (40. g5 g6+ 41. Kg4 Nxd2 42. Rxd2 Rxa3 43. Rh2 Rd3 44. Rxh7 Rxd4+ 45. Kf3 Rxb4 46. Rg7 Ke5) 40... Rf3# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
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