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Puzzles (3 cohencoins award for each match):

Puzzle r1TOD: 673

IM Caroline1 (1213) −6
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/7XuWMGjA"] [Date "2026.03.16"] [White "Caroline1"] [Black "KiRiLL"] [Result "0-1"] [UTCDate "2026.03.16"] [UTCTime "15:17:12"] [WhiteElo "1213"] [BlackElo "1337"] [WhiteRatingDiff "-6"] [BlackRatingDiff "+7"] [WhiteTitle "IM"] [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 Nf6 4. Bc4 Bc5 5. d3 { C50 Italian Game: Giuoco Pianissimo, Italian Four Knights Variation } d6 6. Be3 Bd7 7. Bxc5 dxc5 8. O-O O-O 9. Qe2?! { (0.30 → -0.30) Inaccuracy. h3 was best. } (9. h3 Qe7 10. Nb5 Rac8 11. a4 a6 12. Nc3 Rce8 13. a5 Nd4 14. Nxd4 cxd4 15. Ne2 c5) 9... Qe7?! { (-0.30 → 0.33) Inaccuracy. Nd4 was best. } (9... Nd4 10. Nxd4) 10. Rae1 Be6 11. Bxe6 Qxe6 12. Ng5 Qd6 13. Qe3 Nd4 14. Rc1 Ng4?! { (-0.69 → -0.18) Inaccuracy. Rae8 was best. } (14... Rae8 15. Kh1) 15. Qg3 Nf6 16. Rfe1 Rad8 17. Re3? { (-0.42 → -1.62) Mistake. Ne2 was best. } (17. Ne2 Rfe8 18. Nxd4 cxd4 19. Nf3 a5 20. Qg5 h6 21. Qd2 b6 22. Nh4 Qe6 23. f4 Qxa2) 17... Rfe8 18. Qh4 Qc6 19. Rh3?! { (-1.24 → -1.96) Inaccuracy. Nf3 was best. } (19. Nf3 c4) 19... b5?? { (-1.96 → 6.54) Blunder. h6 was best. } (19... h6) 20. Nxh7 Nxh7 21. Qxh7+ Kf8 22. Qh8+ Ke7 23. Qxg7 Rg8 24. Nd5+?? { (6.91 → -3.65) Blunder. Qxe5+ was best. } (24. Qxe5+ Kd7) 24... Ke6?? { (-3.65 → Mate in 11) Checkmate is now unavoidable. Qxd5 was best. } (24... Qxd5 25. Qxg8) 25. Qh6+? { (Mate in 11 → 7.08) Lost forced checkmate sequence. Rh6+ was best. } (25. Rh6+ Kd7 26. Qxf7+ Kc8 27. Rxc6 Rg7 28. Qxg7 Ne6 29. Rxe6 Rxd5 30. exd5 a6 31. Qf8+ Kb7) 25... Rg6 26. Qh4?? { (7.20 → 2.58) Blunder. Qh5 was best. } (26. Qh5) 26... Rdg8?? { (2.58 → Mate in 1) Checkmate is now unavoidable. Rxd5 was best. } (26... Rxd5 27. f4 exf4 28. exd5+ Qxd5 29. Re1+ Kd7 30. Qe7+ Kc6 31. Qe4 Qxe4 32. Rxe4 f3 33. g3) 27. Rg3?? { (Mate in 1 → 5.83) Lost forced checkmate sequence. Qe7# was best. } (27. Qe7#) 27... Rxg3?? { (5.83 → Mate in 1) Checkmate is now unavoidable. Ne2+ was best. } (27... Ne2+ 28. Kh1 Nxg3+ 29. fxg3 Qd7 30. Rf1 Qd8 31. Qh3+ Kd6 32. Rxf7 c6 33. Ne7 Qxe7 34. Rxe7) 28. hxg3? { (Mate in 1 → 7.99) Lost forced checkmate sequence. Qe7# was best. } (28. Qe7#) 28... c4? { (7.99 → Mate in 1) Checkmate is now unavoidable. Re8 was best. } (28... Re8 29. Kf1 c4 30. c3 cxd3 31. Rd1 f5 32. cxd4 fxe4 33. Nb4 e3 34. d5+ Kf7 35. dxc6) 29. f4?? { (Mate in 1 → 6.45) Lost forced checkmate sequence. Qe7# was best. } (29. Qe7#) 29... Ne2+ 30. Kf1 Nxc1? { (8.46 → Mate in 1) Checkmate is now unavoidable. Nxg3+ was best. } (30... Nxg3+ 31. Ke1 Re8 32. fxe5 Kd7 33. Nf6+ Kd8 34. Nxe8+ Kxe8 35. Qxg3 Qh6 36. Rd1 cxd3 37. Qxd3) 31. f5+?? { (Mate in 1 → 0.89) Lost forced checkmate sequence. Qe7# was best. } (31. Qe7#) 31... Kd6?? { (0.89 → Mate in 1) Checkmate is now unavoidable. Kd7 was best. } (31... Kd7 32. Nf6+) 32. Qf6+?? { (Mate in 1 → 5.77) Lost forced checkmate sequence. Qe7# was best. } (32. Qe7#) 32... Kc5 33. Qxf7?? { (5.92 → -0.21) Blunder. Qxe5 was best. } (33. Qxe5) 33... Rxg3 34. Qf8+?? { (0.00 → -1.73) Blunder. Kf2 was best. } (34. Kf2 cxd3 35. b4+ Kd4 36. c3+ Kxe4 37. Nf6+ Kxf5 38. Nh7+ Kg4 39. Qg7+ Kf5) 34... Qd6 35. Qc8?? { (-2.14 → -5.67) Blunder. Qb8 was best. } (35. Qb8 cxd3) 35... Nxa2?? { (-5.67 → -1.87) Blunder. cxd3 was best. } (35... cxd3 36. Nxc7 d2 37. Ne8+ Qc6 38. Qd8 Rg8 39. Qxd2 Rxe8 40. Qxc1 Qxe4 41. Qd2 Qxf5+ 42. Kg1) 36. Kf2?? { (-1.87 → -5.78) Blunder. Qb7 was best. } (36. Qb7 cxd3) 36... Rg7? { (-5.78 → -2.96) Mistake. cxd3 was best. } (36... cxd3 37. cxd3 Rxd3 38. Qb7 Nb4 39. Qxa7+ Kc6 40. Qxc7+ Qxc7 41. Nxb4+ Kd6 42. Nxd3 Qc4 43. Ne1) 37. f6? { (-2.96 → -4.69) Mistake. Qb7 was best. } (37. Qb7 Nb4) 37... Rf7 38. dxc4?! { (-5.02 → -7.32) Inaccuracy. Qb7 was best. } (38. Qb7 Nb4) 38... Kxc4?? { (-7.32 → -2.32) Blunder. Nb4 was best. } (38... Nb4 39. Qe8) 39. b3+?? { (-2.32 → -5.65) Blunder. Qh3 was best. } (39. Qh3 Kc5) 39... Kd4?! { (-5.65 → -3.75) Inaccuracy. Kc5 was best. } (39... Kc5 40. Qb7) 40. Kf3?? { (-3.75 → -9.20) Blunder. Qh3 was best. } (40. Qh3 Kc5) 40... Rxf6+ 41. Kg4 Rg6+ 42. Kf3 Qc5 43. Qe8 Qxc2 44. Qxg6 Qd3+?! { (-6.89 → -4.60) Inaccuracy. Qxb3+ was best. } (44... Qxb3+) 45. Kg4 Qxe4+ 46. Qxe4+ Kxe4 47. Nc3+? { (-4.40 → -12.07) Mistake. Nxc7 was best. } (47. Nxc7 Nc3 48. Na6 Nd5 49. g3 Ne3+ 50. Kh3 Kf3 51. Nb4 e4 52. Nc6 Nc2 53. Ne5+ Ke3) 47... Nxc3 48. g3 Kd3 49. Kh4 e4 50. g4 e3 51. g5 e2 52. Kh5 e1=Q 53. g6 Qe5+ 54. Kh6 Qh2+ 55. Kg5 Qf2 56. Kh6 Ke4 57. g7 Qf6+ 58. Kh7 Qf7 59. b4 Kf5 60. Kh8 Qh5+ 61. Kg8 Qe8+ 62. Kh7 Qg6+ 63. Kh8 Qh5+ 64. Kg8 Qe8+ 65. Kh7 Kf6 66. Kh6 Qg6# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
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