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Puzzles (3 cohencoins award for each match):

Puzzle s8a58: 999999999

GM👑 WO1000 (1716?) +26
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/wI5VL3d4"] [Date "2025.11.27"] [White "Junhee"] [Black "WO1000"] [Result "0-1"] [UTCDate "2025.11.27"] [UTCTime "00:04:35"] [WhiteElo "1700"] [BlackElo "1716"] [WhiteRatingDiff "-10"] [BlackRatingDiff "+26"] [WhiteTitle "GM⏳"] [BlackTitle "GM👑"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C50"] [Opening "Italian Game: Giuoco Pianissimo, Italian Four Knights Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5?! { (0.18 → 0.88) Inaccuracy. Nf6 was best. } (3... Nf6 4. Bb5 Nd4 5. Nxd4 exd4 6. e5 dxc3 7. exf6 Qxf6 8. dxc3 Qe5+ 9. Qe2 Qxe2+ 10. Kxe2) 4. Bc4?! { (0.88 → 0.25) Inaccuracy. Nxe5 was best. } (4. Nxe5 Nxe5 5. d4 Bd6 6. dxe5 Bxe5 7. Bd3 d6 8. h3 Bxc3+ 9. bxc3 Qe7 10. O-O Nf6) 4... Nf6 5. d3 { C50 Italian Game: Giuoco Pianissimo, Italian Four Knights Variation } O-O 6. Be3 Bxe3 7. fxe3 d6 8. Nd5 Be6 9. Nxf6+ Qxf6 10. Bxe6 fxe6 11. c3 d5?! { (0.00 → 0.53) Inaccuracy. Qh6 was best. } (11... Qh6 12. Qe2 Rf6 13. O-O Qh5 14. Rf2 Raf8 15. Raf1 g5 16. Nd2 Qxe2 17. Rxe2 Rxf1+ 18. Nxf1) 12. exd5 exd5 13. e4 d4 14. Qc2?! { (0.62 → -0.17) Inaccuracy. Qb3+ was best. } (14. Qb3+ Kh8 15. O-O dxc3 16. bxc3 Rab8 17. Rad1 Qe7 18. d4 exd4 19. cxd4 Qxe4 20. Rfe1 Qg6) 14... Qf4?! { (-0.17 → 0.64) Inaccuracy. h6 was best. } (14... h6 15. Qb3+ Kh7 16. O-O Qd6 17. Qd5 dxc3 18. Qxd6 cxd6 19. bxc3 Nd8 20. Nd2 Ne6 21. Nc4) 15. Qd2?! { (0.64 → 0.00) Inaccuracy. O-O was best. } (15. O-O dxc3) 15... Qe3+?? { (0.00 → 3.73) Blunder. Qf6 was best. } (15... Qf6 16. O-O Qd6 17. Qc2 h6 18. Qb3+ Kh7 19. Qd5 Qe7 20. Qb5 Qd6) 16. Qxe3 dxe3 17. Ke2 Rf6 18. Kxe3 Raf8 19. Rhd1 Rg6 20. g3 h5 21. d4?? { (3.90 → 1.54) Blunder. Rf1 was best. } (21. Rf1 Rgf6) 21... exd4+?! { (1.54 → 2.21) Inaccuracy. Rgf6 was best. } (21... Rgf6 22. Nd2 exd4+ 23. cxd4 Rf2 24. Rac1 Rxh2 25. d5 Ne5 26. Kd4 Ng4 27. Rxc7 Re2 28. Nb1) 22. Nxd4?? { (2.21 → 0.00) Blunder. cxd4 was best. } (22. cxd4 Rgf6 23. Nh4 Rf2 24. Rac1 Rxb2 25. d5 Ne5 26. Rxc7 Ng4+ 27. Kd4 Rb4+ 28. Kc3 Rxe4) 22... Nxd4?? { (0.00 → 1.81) Blunder. Ne5 was best. } (22... Ne5 23. Rf1 Nc4+ 24. Ke2 Re8 25. b3 Nd6 26. Kd3 c5 27. Nf3 Nxe4 28. Rae1 Rge6 29. Kc2) 23. cxd4 Rgf6 24. Rh1?? { (2.05 → -0.10) Blunder. d5 was best. } (24. d5 c6 25. Rac1 Rf3+ 26. Kd4 Rf2 27. b4 Rxh2 28. d6 Rd8 29. e5 Kf7 30. b5 Ke6) 24... Rf2? { (-0.10 → 1.41) Mistake. Rf3+ was best. } (24... Rf3+ 25. Kd2 Rf2+ 26. Kd3 R8f3+ 27. Kc4 c6 28. Rhc1 Re3 29. e5 Rxh2 30. Kc5 Rxg3 31. Kd6) 25. b3?? { (1.41 → Mate in 1) Checkmate is now unavoidable. e5 was best. } (25. e5) 25... R8f3# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting