[Event "Pirogov"] [Site "https://lichess.org/xf137efe"] [Date "2022.01.29"] [White "Yanchen2020"] [Black "HeidelJake"] [Result "0-1"] [UTCDate "2022.01.29"] [UTCTime "18:02:52"] [WhiteElo "1419"] [BlackElo "1681"] [WhiteRatingDiff "-16"] [BlackRatingDiff "+4"] [Variant "Standard"] [TimeControl "1200+5"] [ECO "E60"] [Opening "Indian Defense: West Indian Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 g6 { E60 Indian Defense: West Indian Defense } 3. e3 Bg7 4. Nc3 d6 5. Nf3 O-O 6. Bd3 Nbd7 7. Qe2 e5 8. O-O Re8 9. e4? { (-0.04 → -1.41) Mistake. Bc2 was best. } (9. Bc2) 9... exd4 10. Nxd4 Nc5?! { (-1.42 → -0.33) Inaccuracy. Nxe4 was best. } (10... Nxe4 11. Nxe4 Bxd4 12. Qc2 Bg7 13. Bg5 f6 14. Bd2 Ne5 15. Rfe1 f5 16. Bg5 fxe4 17. Bxd8) 11. Re1?? { (-0.33 → -3.05) Blunder. Nb3 was best. } (11. Nb3 Nxd3 12. Qxd3 Ng4 13. Bf4 f5 14. h3 Ne5 15. Bxe5 Rxe5 16. exf5 Bxf5 17. Qd2 Be6) 11... Nfxe4 12. Nxe4 Bxd4 13. Qf3 Nxe4 14. Rxe4 Rxe4 15. Qxe4 Bg7? { (-3.62 → -2.15) Mistake. Qf6 was best. } (15... Qf6 16. Be3 Bxe3 17. Qxe3 Bd7 18. Qd2 Re8 19. Rd1 Bg4 20. f3 Bf5 21. Qf4 Re5 22. h4) 16. Rb1 Bf5 17. Qe2 Qe8 18. Qxe8+?? { (-2.21 → -8.07) Blunder. Be3 was best. } (18. Be3 Qe5 19. Qc2 Bxd3 20. Qxd3 Re8 21. b3 Kf8 22. Rd1 b6 23. h3 Qe4 24. Kf1 Qxd3+) 18... Rxe8 19. Be3 Bxd3 20. Rd1 Bxc4 21. b3 Ba6 22. h3 b6 23. Kh2 Be5+ 24. g3 Be2 25. Rc1 d5 26. Rxc7 Bxc7 27. Kg2 Be5 28. f4 Bc3 29. Kf2 d4 30. Kxe2 Rxe3+ 31. Kf2?! { (-16.65 → Mate in 8) Checkmate is now unavoidable. Kf1 was best. } (31. Kf1 d3) 31... Be1+ 32. Kf1 d3 33. Kg2 d2 34. h4 d1=Q 35. Kh3 Rxg3+ 36. Kh2 Qe2+ 37. Kh1 Qf1+ 38. Kh2 Qg2# { Black wins by checkmate. } 0-1