[Event "National Schools Online Chess Championship 2021 - Under 15 Open - Under 15 Open"] [Site "India"] [Date "2021.07.07"] [Round "3.138"] [White "Pratap Singh, Aayushmaan"] [Black "Nankani, Neel"] [Result "0-1"] [WhiteElo "985"] [BlackElo "831"] [Variant "Standard"] [TimeControl "-"] [ECO "A05"] [Opening "King's Indian Attack: Symmetrical Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nf3 Nf6 2. g3 g6 { A05 King's Indian Attack: Symmetrical Defense } 3. Bg2 Bg7 4. O-O O-O 5. Nc3 c5 6. d3 d5 7. e4 dxe4?! { (-0.60 → 0.09) Inaccuracy. d4 was best. } (7... d4 8. e5 dxc3 9. exf6 cxb2 10. Bxb2 exf6 11. d4 cxd4 12. Nxd4) 8. dxe4 Nc6 9. Be3 Qxd1 10. Rfxd1 b6?? { (0.46 → 2.35) Blunder. Nd7 was best. } (10... Nd7 11. a4 b6 12. Bf4 e5 13. Bd2 Rb8 14. h4 a6 15. Ra3 b5 16. axb5 axb5 17. Ra2) 11. Nd5?? { (2.35 → -0.36) Blunder. e5 was best. } (11. e5) 11... Nxd5 12. exd5 Na5 13. c3 Nc4 14. Ne1?? { (0.08 → -1.79) Blunder. Bc1 was best. } (14. Bc1) 14... Rb8?? { (-1.79 → 0.36) Blunder. Bg4 was best. } (14... Bg4 15. d6) 15. Nd3?? { (0.36 → -1.92) Blunder. Bf4 was best. } (15. Bf4) 15... Bb7?? { (-1.92 → 0.21) Blunder. Bg4 was best. } (15... Bg4 16. Bf4 Bxd1 17. Rxd1 Rbd8 18. b3 Nd6 19. c4 Rfe8 20. Kf1 h6 21. h4 Nf5 22. Bc7) 16. b3?? { (0.21 → -1.80) Blunder. Bg5 was best. } (16. Bg5) 16... Nxe3 17. fxe3 Bxc3?! { (-2.03 → -0.99) Inaccuracy. Rfd8 was best. } (17... Rfd8 18. Rac1 Bxd5 19. Bxd5 Rxd5 20. Nf4 Rdd8 21. Kf2 g5 22. Nd3 f5 23. h3 e6 24. g4) 18. Rac1 Bg7 19. e4? { (-0.80 → -2.56) Mistake. b4 was best. } (19. b4 c4) 19... f5?! { (-2.56 → -1.82) Inaccuracy. Bd4+ was best. } (19... Bd4+ 20. Kh1) 20. b4 fxe4 21. Bxe4 e6? { (-1.91 → -0.47) Mistake. Bd4+ was best. } (21... Bd4+ 22. Kh1) 22. Nf4?? { (-0.47 → -2.28) Blunder. bxc5 was best. } (22. bxc5) 22... Bd4+ 23. Kg2? { (-2.33 → -4.44) Mistake. Kh1 was best. } (23. Kh1 exd5) 23... exd5? { (-4.44 → -2.37) Mistake. Be3 was best. } (23... Be3 24. Rc3) 24. Nxd5?? { (-2.37 → -4.90) Blunder. Bxd5+ was best. } (24. Bxd5+) 24... Rf2+ 25. Kh1 Re8 26. Nf6+ Rxf6?? { (-6.61 → -1.06) Blunder. Bxf6 was best. } (26... Bxf6) 27. Bxb7 Re2 28. bxc5 Bxc5?! { (-1.12 → -0.45) Inaccuracy. bxc5 was best. } (28... bxc5 29. Re1) 29. Ba6 Rb2 30. Rf1 Rff2 31. Rxf2 Rxf2 32. Rd1 g5 33. Rd8+ Kg7 34. Rd7+ Kg6 35. Bd3+ Kf6 36. Rxh7? { (-0.12 → -1.36) Mistake. Rxa7 was best. } (36. Rxa7 Rd2 37. Bc4 h5 38. Bb3 g4 39. Rh7 Kg6 40. Rf7 Kg5 41. Rg7+ Kh6 42. Rf7 Re2) 36... g4? { (-1.36 → 0.00) Mistake. Rxa2 was best. } (36... Rxa2 37. h4) 37. Rxa7 Rd2 38. Bc4?? { (0.00 → Mate in 3) Checkmate is now unavoidable. Bf1 was best. } (38. Bf1 Rd1 39. Kg2 Rd2+) 38... Rd1+ 39. Kg2 Rg1# { Black wins by checkmate. } 0-1