[Event "10 minutes of tactics"] [Site "https://lichess.org/6c2Zkalz"] [Date "2022.02.06"] [White "Herlina_CSI"] [Black "CSI_21"] [Result "0-1"] [UTCDate "2022.02.06"] [UTCTime "14:39:45"] [WhiteElo "2143"] [BlackElo "2450"] [WhiteRatingDiff "-2"] [BlackRatingDiff "+6"] [Variant "Standard"] [TimeControl "600+0"] [ECO "A43"] [Opening "Benoni Defense: Old Benoni"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 c5 { A43 Benoni Defense: Old Benoni } 2. e3?! { (0.79 → 0.01) Inaccuracy. d5 was best. } (2. d5 Nf6 3. Nc3 d6 4. e4 e6 5. Bc4 Be7 6. Nge2 O-O) 2... cxd4 3. exd4 d5 4. Nc3 Nf6 5. Bd3 e6 6. Bg5 Bd6?! { (0.01 → 0.74) Inaccuracy. Nc6 was best. } (6... Nc6 7. Nf3 h6 8. Bf4 Bd6 9. Qd2 Bxf4 10. Qxf4 Nb4 11. Qe3) 7. Nf3 h6 8. Bh4 Nbd7 9. a3 a6 10. Qe2 Qb6 11. b3?? { (0.73 → -1.99) Blunder. O-O was best. } (11. O-O Qc7 12. Rfe1 O-O 13. Bg3 Bxg3 14. hxg3 b5 15. Nd1 Bb7 16. c3 g6 17. Qe3 Kg7) 11... Qc6?? { (-1.99 → 0.08) Blunder. Qa5 was best. } (11... Qa5 12. Qd2) 12. Qd2?? { (0.08 → -1.73) Blunder. Nd1 was best. } (12. Nd1) 12... O-O?? { (-1.73 → 0.05) Blunder. Bf4 was best. } (12... Bf4 13. Qxf4) 13. O-O b5 14. b4? { (-0.34 → -2.01) Mistake. Rfe1 was best. } (14. Rfe1 b4) 14... Bb7?! { (-2.01 → -0.87) Inaccuracy. Ne4 was best. } (14... Ne4 15. Bxe4 dxe4 16. d5 Qc4 17. Nd4 Be5 18. Rad1 exd5 19. f4 exf3 20. Rxf3 Nb6 21. h3) 15. Rae1 Rac8 16. h3?? { (-0.62 → -8.01) Blunder. Ne2 was best. } (16. Ne2 Ne4 17. Qe3 Qc7 18. Bg3 Nxg3 19. hxg3 Rfe8 20. c3 e5 21. dxe5 Nxe5 22. Nxe5 Bxe5) 16... Qxc3 17. Qe3 Ne4 18. Nh2 Bxh2+ 19. Kxh2 Qd2 20. Qf3 Qc3 21. Be7 Rfe8 22. Bc5 Ndxc5 23. bxc5 Qxd4 24. Rd1 Qxc5 25. Qh5 d4 26. Qg4 Qf5 27. Qh4 Qg5 28. Qxg5 hxg5 29. h4 gxh4 30. Kh3 g5 31. Kg4 f6 32. Kh5 Kg7 33. f4 Ng3+ 34. Kg4 Bxg2 35. Rg1?! { (-14.47 → Mate in 4) Checkmate is now unavoidable. fxg5 was best. } (35. fxg5 f5+) 35... Be4?! { (Mate in 4 → -10.07) Lost forced checkmate sequence. f5+ was best. } (35... f5+ 36. Kxg5 Rh8 37. Bxf5 Rh5+ 38. Kg4 exf5#) 36. fxg5 Bxd3 37. gxf6+ Kxf6 38. cxd3 Nf5 39. Rh1?! { (-10.60 → Mate in 14) Checkmate is now unavoidable. Kh3 was best. } (39. Kh3 Rg8 40. Rc1 Rg3+ 41. Rxg3 Rxc1 42. Rg8 Ne3 43. Kh2 Ke5 44. Rg5+ Kf4 45. Rg6 e5) 39... Rg8+ 40. Kf4 Rc2?! { (Mate in 16 → -14.53) Lost forced checkmate sequence. e5+ was best. } (40... e5+ 41. Ke4 Ke6 42. Rhg1 Ng3+ 43. Kf3 Rcf8+ 44. Kg2 Ne2+ 45. Kh1 Nxg1 46. Rxg1 Rxg1+ 47. Kxg1) 41. Rdf1?! { (-14.53 → Mate in 10) Checkmate is now unavoidable. Rdg1 was best. } (41. Rdg1 Rf2+) 41... Re2?! { (Mate in 10 → -69.86) Lost forced checkmate sequence. e5+ was best. } (41... e5+ 42. Ke4 Ke6 43. Rhg1 Rg3 44. Rxg3 Nxg3+ 45. Kf3 Nxf1 46. Kg4 h3 47. a4 h2 48. axb5) 42. a4?! { (-69.86 → Mate in 2) Checkmate is now unavoidable. Kf3 was best. } (42. Kf3 Re3+) 42... Re3 43. Rxh4 e5# { Black wins by checkmate. } 0-1