[Event "Apr. Schol. Challenge: K-12"] [Site "https://lichess.org/iaOzGIuj"] [Date "2023.04.05"] [White "joshr_000"] [Black "Dwijbapat"] [Result "1-0"] [UTCDate "2023.04.05"] [UTCTime "23:32:48"] [WhiteElo "1881"] [BlackElo "1746"] [WhiteRatingDiff "+7"] [BlackRatingDiff "-16"] [Variant "Standard"] [TimeControl "1500+5"] [ECO "D01"] [Opening "Rapport-Jobava System"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. Nc3 d5 3. Bf4 e6 { D01 Rapport-Jobava System } 4. e3 c5?! { (-0.35 → 0.38) Inaccuracy. Bb4 was best. } (4... Bb4 5. Ne2 O-O 6. a3 Be7 7. Nc1 c5 8. dxc5 Bxc5 9. Nb3) 5. Nb5 Na6 6. Nf3 Bd7 7. Nd6+?! { (0.61 → 0.00) Inaccuracy. c3 was best. } (7. c3 Be7 8. dxc5 Bxc5 9. Nd6+ Bxd6 10. Bxd6 Qb6 11. Ba3 Nc5) 7... Bxd6 8. Bxd6 Qa5+ 9. c3 cxd4?! { (0.09 → 0.64) Inaccuracy. Qb6 was best. } (9... Qb6 10. Bxa6 Qxd6 11. Bd3 O-O 12. Ne5 Be8 13. a4 a5 14. O-O Nd7 15. Nxd7 Bxd7 16. Bc2) 10. Nxd4 Ne4 11. Nb3 Qb6 12. Ba3 Nd6?! { (0.86 → 1.46) Inaccuracy. Nc7 was best. } (12... Nc7) 13. Qg4 O-O?! { (1.31 → 2.23) Inaccuracy. Nf5 was best. } (13... Nf5) 14. Qd4 Qc7? { (2.17 → 3.78) Mistake. Nb5 was best. } (14... Nb5 15. Qxb6 axb6 16. Bxf8 Kxf8 17. Bxb5 Bxb5 18. Kd2 e5 19. a4 Bd7 20. a5 b5 21. f4) 15. Bxa6 Nf5 16. Qc5 Qxc5 17. Nxc5 bxa6 18. Nxd7 Rfd8 19. Nc5 Rab8 20. Nxa6 Rb6 21. Nc5 Nd6 22. Na4 Rb5 23. Bxd6 Rxd6 24. b3 Rc6 25. Kd2 f5 26. Nb2 Rd6 27. Ke2 Kf7 28. Nd3 Kf6 29. Rab1 Ra6 30. a4 Rb8 31. Nc5 Rd6 32. h3 h5 33. f3 g5 34. g4 h4 35. gxf5 exf5 36. e4?! { (5.28 → 4.20) Inaccuracy. b4 was best. } (36. b4 a5 37. Rhd1 Kg7 38. Rd4 Re8 39. Rg1 Kh6 40. Kd2 Rg6 41. Nd3 Rge6) 36... Re8 37. Rhd1 Red8?! { (4.59 → 6.10) Inaccuracy. Rdd8 was best. } (37... Rdd8 38. Rd4 dxe4 39. fxe4 g4 40. Rbd1 Rxd4 41. cxd4 gxh3 42. e5+ Kg5 43. Kf3 Kg6 44. Rh1) 38. Nb7 dxe4 39. Nxd8 exf3+ 40. Kxf3 Rxd1 41. Rxd1 Kg6 42. c4 Kh5 43. c5 g4+?! { (11.83 → Mate in 7) Checkmate is now unavoidable. Kh6 was best. } (43... Kh6 44. c6 g4+ 45. hxg4 Kg5 46. gxf5 a6 47. Ke4 h3 48. Ke5 Kh4 49. c7 Kg4 50. f6) 44. hxg4+ fxg4+ 45. Kg2?! { (Mate in 7 → 10.69) Lost forced checkmate sequence. Kf4 was best. } (45. Kf4 Kg6 46. c6 Kg7 47. c7 h3 48. Rd7+ Kf6 49. c8=Q Kg6 50. Qa6+ Kh5 51. Rh7#) 45... g3?! { (10.69 → Mate in 19) Checkmate is now unavoidable. Kg5 was best. } (45... Kg5 46. c6) 46. Kh3 { Black resigns. } 1-0