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Puzzles (3 cohencoins award for each match):

Puzzle vKM4o: 770

Puzzle ZtKWt: 476

Puzzle drdWR: 571

Puzzle P75BS: 326

Puzzle UCGL4: 707

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/mUo7CpcO"] [Date "2025.06.18"] [White "Sasha"] [Black "AppleBotHaley"] [Result "0-1"] [UTCDate "2025.06.18"] [UTCTime "23:32:36"] [WhiteElo "1490"] [BlackElo "1797"] [WhiteRatingDiff "-2"] [BlackRatingDiff "+3"] [WhiteTitle "IM🧁"] [BlackTitle "🍎"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A48"] [Opening "London System"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 Nf6 2. Nf3 g6 3. Bf4 { A48 London System } Bg7 4. e3 d5 5. c3 Nc6?! { (0.33 → 0.92) Inaccuracy. O-O was best. } (5... O-O 6. h3) 6. Bd3?! { (0.92 → 0.25) Inaccuracy. h3 was best. } (6. h3 O-O 7. Be2 Nd7 8. O-O e5 9. Bh2 e4 10. Nfd2 Ne7 11. c4 c5 12. Nc3 cxd4) 6... O-O 7. O-O Bg4?! { (0.08 → 0.66) Inaccuracy. Nh5 was best. } (7... Nh5) 8. Nbd2 Re8 9. h3 Bc8 10. Ne5?! { (1.41 → 0.74) Inaccuracy. Bb5 was best. } (10. Bb5 Bd7) 10... Nxe5 11. Bxe5 Bd7?! { (0.85 → 1.39) Inaccuracy. c6 was best. } (11... c6) 12. Bxf6? { (1.39 → 0.11) Mistake. a4 was best. } (12. a4 Qc8 13. c4 Be6 14. Rc1 c6 15. a5 dxc4 16. Nxc4 Nd7 17. Bxg7 Kxg7 18. e4 Bxc4) 12... Bxf6 13. Nf3 Bg7 14. Re1 Bf5?! { (-0.02 → 0.97) Inaccuracy. c6 was best. } (14... c6 15. Qb3) 15. Bxf5 gxf5 16. Nh4 e6 17. Nf3?! { (1.11 → 0.55) Inaccuracy. Qh5 was best. } (17. Qh5 c5 18. g4 f4 19. Re2 Qc7 20. Rf1 Rac8 21. Nf3 fxe3 22. fxe3 f6 23. Qh4 Rf8) 17... Kh8 18. Ne5?! { (0.72 → -0.26) Inaccuracy. Rc1 was best. } (18. Rc1 c6) 18... Bxe5 19. dxe5 Rg8 20. Qh5 f6?? { (-0.20 → 1.54) Blunder. Rg6 was best. } (20... Rg6 21. g3 c6 22. Kh2 Qc7 23. f4 Rag8 24. Rg1 c5 25. Rg2 c4 26. Qe2 Rh6 27. Rag1) 21. exf6?! { (1.54 → 0.51) Inaccuracy. Qf7 was best. } (21. Qf7 Rg6) 21... Qxf6 22. f3?? { (0.24 → -6.16) Blunder. Qe2 was best. } (22. Qe2) 22... Rg7?? { (-6.16 → -0.64) Blunder. Rg5 was best. } (22... Rg5 23. Qxg5 Qxg5 24. Re2 Qg3 25. c4 Rg8 26. Rae1 Qd6 27. b4 dxc4 28. Kh1 Qxb4 29. e4) 23. e4?? { (-0.64 → -5.76) Blunder. Kh1 was best. } (23. Kh1) 23... Rag8 24. Re2 c6?? { (-6.09 → -0.60) Blunder. Rg5 was best. } (24... Rg5 25. Qxg5 Qxg5 26. exf5 Qxf5 27. a4 d4 28. cxd4 Qxf3 29. Rae1 Qxh3 30. Rf2 Qg4 31. a5) 25. exd5?? { (-0.60 → -4.38) Blunder. e5 was best. } (25. e5 Qe7) 25... cxd5?? { (-4.38 → 0.00) Blunder. Rg5 was best. } (25... Rg5 26. Qxg5 Qxg5 27. d6 Qf4 28. Rd1 Qc4 29. Kf1 Kg7 30. b3 Qa6 31. d7 Rd8 32. Rd6) 26. Rae1?? { (0.00 → -6.75) Blunder. Kh1 was best. } (26. Kh1 Rg3 27. Rd1 b5 28. a3 a5 29. f4 Qg7 30. Rg1 a4 31. Rd2 Re3 32. Re2) 26... Qg6?? { (-6.75 → 1.57) Blunder. Rg5 was best. } (26... Rg5) 27. Qxg6 Rxg6 28. Kh1?! { (1.40 → 0.47) Inaccuracy. g4 was best. } (28. g4 fxg4 29. fxg4 h5 30. Rxe6 Rxe6 31. Rxe6 hxg4 32. h4 Rd8 33. Kg2 d4 34. cxd4 Rxd4) 28... e5? { (0.47 → 1.52) Mistake. h5 was best. } (28... h5 29. Rxe6 Rxg2 30. Rh6+ Kg7 31. Kxg2 Kxh6+ 32. Kf2 Rg6 33. h4 Rb6 34. b3 Ra6 35. a4) 29. Rg1? { (1.52 → 0.19) Mistake. Rd1 was best. } (29. Rd1) 29... Re6 30. f4 e4 31. g4? { (0.00 → -1.37) Mistake. Rd2 was best. } (31. Rd2 Rd6 32. Rd4 h5 33. Rgd1 Rgd8 34. c4 Kg7 35. Rxd5 Rxd5 36. cxd5 Kf6 37. Kh2 h4) 31... Rf6? { (-1.37 → 0.00) Mistake. Rh6 was best. } (31... Rh6 32. Rh2) 32. Rd2? { (0.00 → -1.22) Mistake. g5 was best. } (32. g5 Ra6 33. Rd1 Rd8 34. a3 Rad6 35. Kg2 Kg7 36. Red2 b5 37. Kg3 Kg6 38. Rd4 a6) 32... fxg4?! { (-1.22 → -0.49) Inaccuracy. Rh6 was best. } (32... Rh6 33. Rh2 Rh4 34. Rd1 fxg4 35. Rxd5 g3 36. Re2 Rxh3+ 37. Kg1 Rh4 38. Re5 Rxf4 39. R2xe4) 33. hxg4 Rxf4 34. Rxd5 Rfxg4?! { (-0.90 → -0.26) Inaccuracy. Rg6 was best. } (34... Rg6 35. Rg2 Kg7 36. Rd7+ Rf7 37. Rxf7+ Kxf7 38. Kh2 Ke6 39. Kg3 Rf6 40. Rh2 h6 41. Rf2) 35. Rxg4 Rxg4 36. Rd8+?? { (-0.20 → -4.31) Blunder. Rd7 was best. } (36. Rd7 Rg7 37. Rd8+ Rg8 38. Rd7 e3 39. Re7 Rd8 40. b4 Rd3 41. Kg2 Rxc3 42. Kf3 Ra3) 36... Rg8?? { (-4.31 → -0.20) Blunder. Kg7 was best. } (36... Kg7 37. Kh2 Kf6 38. Re8 Kf5 39. Re7 b6 40. Rf7+ Ke5 41. Rxh7 e3 42. Rxa7 Kf5 43. Rf7+) 37. Rxg8+?? { (-0.20 → -7.12) Blunder. Rd7 was best. } (37. Rd7 e3 38. Re7 Rd8 39. b4 Rd3 40. Kg2 Rxc3 41. Rxb7 Ra3 42. Kf3 Kg8 43. Re7 h5) 37... Kxg8 38. Kg2 h5?! { (-7.36 → -5.22) Inaccuracy. Kf7 was best. } (38... Kf7 39. Kf2 Ke6 40. Kg3 Kd6 41. Kf4 Kd5 42. a4 h5 43. a5 a6 44. b3 h4 45. Kg4) 39. Kf2 h4 40. b4 h3 41. Kg3 e3 42. Kxh3 e2 43. a4 e1=Q 44. c4 Qxb4 45. c5 Qxc5 46. a5 Qxa5 47. Kg3 Qe5+ 48. Kg4 Kf7 49. Kf3 Kf6 50. Kg4 Qe4+ 51. Kg3 Kg5 52. Kf2 Kg4 53. Kg1 Qf3 54. Kh2 Qf2+ 55. Kh1 Qf1+ 56. Kh2 Qe1 57. Kg2 Kf4 58. Kh3 Qg3# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
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