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Puzzles (3 cohencoins award for each match):

Puzzle PWVus: 999999999

GM Nathan4 (1334) +13
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/DtPGE0d9"] [Date "2026.01.24"] [White "Nathan4"] [Black "Matthew11"] [Result "1-0"] [UTCDate "2026.01.24"] [UTCTime "00:18:54"] [WhiteElo "1334"] [BlackElo "1344"] [WhiteRatingDiff "+13"] [BlackRatingDiff "-24"] [WhiteTitle "GM"] [BlackTitle "GM🤪"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C50"] [Opening "Italian Game: Giuoco Pianissimo, Normal"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 { C50 Italian Game: Giuoco Pianissimo, Normal } 5. O-O d6 6. Nc3 O-O 7. Qe2?! { (0.21 → -0.74) Inaccuracy. Na4 was best. } (7. Na4 Bb6 8. a3 h6 9. Nxb6 axb6 10. Re1 Be6 11. Bxe6 fxe6 12. c3 Qe8 13. Bd2 Rd8) 7... Qe7? { (-0.74 → 0.58) Mistake. Bg4 was best. } (7... Bg4 8. Be3 Nd4 9. Bxd4 Bxd4 10. h3 Bxf3 11. Qxf3 a5 12. a4 c6 13. Nd1 Ba7 14. Ne3) 8. Be3?! { (0.58 → 0.00) Inaccuracy. Bg5 was best. } (8. Bg5) 8... Bxe3 9. Qxe3 Ng4 10. Qg5 Qxg5 11. Nxg5 Nf6?! { (0.04 → 0.87) Inaccuracy. h6 was best. } (11... h6) 12. f3?? { (0.87 → -1.59) Blunder. Nb5 was best. } (12. Nb5 Ne8 13. f4 a6 14. Nc3 h6 15. Nxf7 Rxf7 16. Bxf7+ Kxf7 17. fxe5+ Kg8 18. exd6 cxd6) 12... h6 13. Nxf7 Rxf7 14. Bxf7+ Kxf7 15. Nd5?! { (-1.70 → -2.38) Inaccuracy. Nb5 was best. } (15. Nb5 Ne8 16. f4 Kg8 17. fxe5 Nxe5 18. Nc3 Be6 19. d4 Nd7 20. Rae1 a5 21. b3 c6) 15... Nxd5 16. exd5 Nd4? { (-2.40 → -1.13) Mistake. Nb4 was best. } (16... Nb4 17. f4) 17. c3?? { (-1.13 → -5.29) Blunder. f4 was best. } (17. f4 Kg8 18. Rf2 exf4 19. Re1 g5 20. Re8+ Kf7 21. Rd8 b5 22. c3 Nf5 23. g3 Bb7) 17... Nc2 18. Rac1 Ne3 19. Rfe1 Nxd5 20. c4 Nb6? { (-6.94 → -3.78) Mistake. Nb4 was best. } (20... Nb4 21. d4 Nd3 22. dxe5 Nxc1 23. exd6 Be6 24. Rxc1 cxd6 25. Re1 Rd8 26. Rxe6 Kxe6 27. Kf2) 21. b4 c5?? { (-4.49 → -0.22) Blunder. Bf5 was best. } (21... Bf5 22. c5) 22. b5?? { (-0.22 → -5.80) Blunder. bxc5 was best. } (22. bxc5 dxc5 23. Rxe5 Nd7 24. Rf5+ Kg6 25. Rd5 b6 26. d4 cxd4 27. Rxd4 Nc5 28. Rd8 Bb7) 22... Bf5 23. Re3 d5? { (-5.91 → -3.26) Mistake. g5 was best. } (23... g5) 24. cxd5 Nxd5?? { (-4.05 → -0.04) Blunder. Nd7 was best. } (24... Nd7) 25. Rxe5 Be6 26. Rxc5 Nb4 27. Rc7+ Kf6 28. Re2 Nxd3?? { (-0.21 → 1.73) Blunder. Rb8 was best. } (28... Rb8 29. Re4) 29. a4?? { (1.73 → -0.20) Blunder. Rxb7 was best. } (29. Rxb7 Nc1 30. Rc2 Nxa2 31. Rcc7 Rd8 32. h4 g6 33. h5 Nb4 34. Rh7 Rd1+ 35. Kh2 Nd5) 29... Bc4?? { (-0.20 → 8.14) Blunder. Rb8 was best. } (29... Rb8) 30. Rxc4 Ne5 31. Rce4 Nd3 32. Re6+ Kf5 33. g4+ Kg5 34. Kg2? { (8.63 → 4.35) Mistake. Rd6 was best. } (34. Rd6 Nf4 35. Re7 Nh3+ 36. Kg2 Kh4 37. Rxg7 Nf4+ 38. Kf1 Rh8 39. Rxb7 Kh3 40. Rxa7 Kxh2) 34... Kh4? { (4.35 → 8.02) Mistake. Nf4+ was best. } (34... Nf4+) 35. h3?? { (8.02 → 2.39) Blunder. Re8 was best. } (35. Re8 Nf4+ 36. Kh1 Rxe8 37. Rxe8 Ng6 38. Re6 Kg5 39. a5 Nh4 40. Re7 Nxf3 41. Rxg7+ Kh4) 35... Nf4+ 36. Kh2?? { (2.02 → 0.30) Blunder. Kf2 was best. } (36. Kf2 Nxe6 37. Rxe6 Rc8 38. Re7 Rc2+ 39. Ke3 Rc3+ 40. Ke2 Rc2+ 41. Kd3 Ra2 42. Rxg7 Kxh3) 36... Nxe6 37. Rxe6 Rf8? { (0.25 → 1.68) Mistake. Rd8 was best. } (37... Rd8 38. Re7 Rd4 39. Rxg7 Rxa4 40. Kg2 Ra2+ 41. Kf1 Kg3 42. Rxb7 Kxh3 43. Rf7 Kg3 44. Ke1) 38. Re5 g5?? { (1.86 → 4.18) Blunder. g6 was best. } (38... g6 39. Kg2) 39. a5?? { (4.18 → -4.35) Blunder. Re6 was best. } (39. Re6) 39... Rxf3 40. Re6 Rxh3+ 41. Kg2 Rg3+ 42. Kh2 Rh3+ 43. Kg2 Rg3+ 44. Kf2 Rxg4?? { (-4.43 → Mate in 1) Checkmate is now unavoidable. Kxg4 was best. } (44... Kxg4 45. Rxh6) 45. Rxh6# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting