CohenChessClub.com

[Event "October Chess Megatournament"] [Site "https://cohenchessclub.com/v2c4eQmG"] [Date "2026.10.25"] [White "Ioana"] [Black "Caleb5"] [Result "0-1"] [UTCDate "2026.10.25"] [UTCTime "19:21:36"] [WhiteElo "697"] [BlackElo "1340"] [WhiteRatingDiff "-1"] [BlackRatingDiff "+1"] [BlackTitle "NM"] [Variant "Standard"] [TimeControl "600+1"] [ECO "C23"] [Opening "Bishop's Opening: Boi Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Bc4?! { (0.49 → -0.10) Inaccuracy. Nf3 was best. } (2. Nf3 Nc6) 2... Bc5 { C23 Bishop's Opening: Boi Variation } 3. Qh5 g6?? { (-0.26 → 9.47) Blunder. Qe7 was best. } (3... Qe7 4. d3 d6 5. Nc3 c6 6. Bb3 Nf6 7. Qg5 a5 8. a4 Rg8 9. Nge2 h6 10. Qg3) 4. Qxe5+ Ne7 5. Qxc5 c6 6. e5 Nf5 7. Nf3 Ne3 8. fxe3 f6 9. Nd4 fxe5 10. Nf3 e4 11. Ne5 Na6?! { (10.27 → Mate in 1) Checkmate is now unavoidable. Qh4+ was best. } (11... Qh4+ 12. g3 Qe7 13. Qxe7+ Kxe7 14. O-O Rf8 15. b3 Rxf1+ 16. Bxf1 d5 17. Ba3+ Ke8 18. Nc3) 12. Qd5?? { (Mate in 1 → -6.00) Lost forced checkmate sequence. Bf7# was best. } (12. Bf7#) 12... cxd5 13. Bxd5 g5?? { (-5.87 → 0.00) Blunder. Qg5 was best. } (13... Qg5 14. Nc3 Qxe5 15. O-O Nb4 16. Bb3 Rf8 17. Rxf8+ Kxf8 18. a3 Nc6 19. d4 exd3 20. cxd3) 14. Bf7+?? { (0.00 → -1.66) Blunder. O-O was best. } (14. O-O Nb4 15. Nf7 Qe7 16. Nc3 O-O 17. Nh6+ Kh8 18. Nf7+) 14... Ke7 15. Rf1?? { (-1.77 → -4.63) Blunder. O-O was best. } (15. O-O d6) 15... g4?? { (-4.63 → 0.00) Blunder. Qc7 was best. } (15... Qc7 16. d4) 16. Nxg4?? { (0.00 → -4.83) Blunder. Nc3 was best. } (16. Nc3 Nb4 17. b3 d6 18. Ba3 Nxc2+ 19. Kd1 Nxa3 20. Nd5+ Kf8 21. Be6+ Ke8 22. Bf7+) 16... h5?? { (-4.83 → 0.38) Blunder. d6 was best. } (16... d6) 17. Nf2?? { (0.38 → -6.07) Blunder. Ne5 was best. } (17. Ne5 d6) 17... h4?? { (-6.07 → -1.50) Blunder. Kxf7 was best. } (17... Kxf7 18. Nc3 d5 19. b3 Ke8 20. Bb2 Rg8 21. g3 Be6 22. Nfxe4 dxe4 23. Nxe4 Bh3 24. Nf6+) 18. g3?? { (-1.50 → -6.00) Blunder. Bb3 was best. } (18. Bb3) 18... hxg3 19. hxg3 Rh5?? { (-5.62 → 5.62) Blunder. Kxf7 was best. } (19... Kxf7 20. b3) 20. g4?? { (5.62 → -4.38) Blunder. Bxh5 was best. } (20. Bxh5) 20... Rg5?? { (-4.38 → -1.00) Blunder. Rh2 was best. } (20... Rh2) 21. Nxe4 Rxg4 22. Rf6?? { (-1.28 → -7.70) Blunder. b3 was best. } (22. b3 Rxe4) 22... Rxe4 23. d3 Rh4 24. e4 Kxf6 25. e5+ Kxf7 26. Bh6 Rxh6 27. Kf1 Re6 28. Nd2 Rxe5 29. d4?! { (-21.14 → Mate in 4) Checkmate is now unavoidable. Ne4 was best. } (29. Ne4 d5) 29... Re8?! { (Mate in 4 → -17.27) Lost forced checkmate sequence. Qf6+ was best. } (29... Qf6+ 30. Nf3 Qxf3+ 31. Kg1 Rg5+ 32. Kh2 Qg2#) 30. Re1?! { (-17.27 → Mate in 4) Checkmate is now unavoidable. Nf3 was best. } (30. Nf3 Qf6) 30... Rh8?! { (Mate in 4 → -17.13) Lost forced checkmate sequence. Qf6+ was best. } (30... Qf6+ 31. Nf3 Qxf3+ 32. Kg1 Rxe1+ 33. Kh2 Rh1#) 31. Re4?! { (-17.13 → Mate in 8) Checkmate is now unavoidable. Nf3 was best. } (31. Nf3 Qf6) 31... Nb4?! { (Mate in 8 → -16.57) Lost forced checkmate sequence. Qf6+ was best. } (31... Qf6+ 32. Ke2 Rh2+ 33. Kd3 d5 34. c3 Qf2 35. Re7+ Kxe7 36. Kc2 Qxd2+ 37. Kb3 Bd7 38. Ka3) 32. Rf4+ Kg7 33. Rg4+ Kh7 34. Rh4+?! { (-16.67 → Mate in 6) Checkmate is now unavoidable. c3 was best. } (34. c3 Rf8+) 34... Qxh4 35. Ke2 Qxd4 36. c3 Qh4 37. Ke3 Qe1+ 38. Kf3 Qxd2 39. cxb4 Qxb4 40. Ke3 Qxb2 41. Ke4 Qxa2 42. Ke5 Re8+ 43. Kf6 Rh8 44. Ke7 Rg8 45. Kd6 Rg7 46. Ke5 Qa6 47. Kf4 Rg6 48. Kf3 Rh6 49. Kg2 Qa3 50. Kg1 Rb6 51. Kh1 Rb2 52. Kg1 Qa1# { Black wins by checkmate. } 0-1