[Event "USU-ICC U-18"] [Site "https://lichess.org/UhyI6V9E"] [Date "2023.07.29"] [White "IlmiGais"] [Black "oyyenmok"] [Result "0-1"] [UTCDate "2023.07.29"] [UTCTime "02:32:42"] [WhiteElo "1633"] [BlackElo "2149"] [WhiteRatingDiff "-1"] [BlackRatingDiff "+9"] [Variant "Standard"] [TimeControl "600+5"] [ECO "D02"] [Opening "Queen's Pawn Game: London System"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. Nf3 Nf6 3. Bf4 { D02 Queen's Pawn Game: London System } Nbd7 4. e3 e6 5. Bd3 c5 6. c3 Be7 7. Qc2?! { (0.31 → -0.24) Inaccuracy. Ne5 was best. } (7. Ne5 Nxe5 8. dxe5 Nd7 9. O-O c4 10. Bc2 b5 11. e4 Nc5) 7... c4 8. Be2 Ne4?! { (-0.28 → 0.29) Inaccuracy. b5 was best. } (8... b5) 9. Nbd2 Ndf6?! { (0.53 → 1.22) Inaccuracy. Nxd2 was best. } (9... Nxd2 10. Nxd2) 10. b3?! { (1.22 → 0.33) Inaccuracy. Bxc4 was best. } (10. Bxc4 dxc4) 10... Qa5 11. Rc1? { (0.39 → -0.81) Mistake. b4 was best. } (11. b4) 11... b5?! { (-0.81 → -0.12) Inaccuracy. Ba3 was best. } (11... Ba3 12. Nxe4 Nxe4 13. O-O Bxc1 14. Rxc1 b5 15. Ne5 Bb7 16. bxc4 bxc4 17. f3 Nd6 18. Rb1) 12. b4?! { (-0.12 → -0.74) Inaccuracy. bxc4 was best. } (12. bxc4 bxc4) 12... Qb6 13. O-O a5 14. Ng5?? { (-0.73 → -2.62) Blunder. a3 was best. } (14. a3 Nd6 15. Ne5 O-O 16. g4 Qb7 17. Bd1 Nfe8 18. g5 f6 19. gxf6 gxf6 20. Ng4 Kh8) 14... Nxg5?! { (-2.62 → -1.93) Inaccuracy. Nxd2 was best. } (14... Nxd2 15. bxa5 Qxa5 16. Qxd2 h6 17. Nf3 Ne4 18. Qe1 b4 19. Ne5 Nxc3 20. Nc6 Qb6 21. Nxe7) 15. Bxg5 axb4 16. Bxf6 gxf6 17. Rb1 bxc3 18. Qxc3 Rxa2 19. Rfe1? { (-2.86 → -4.56) Mistake. Nxc4 was best. } (19. Nxc4 Qc7 20. Qb3 Rxe2 21. Nd6+ Qxd6 22. Qxb5+ Kf8 23. Qxe2 Ba6 24. Qh5 Bxf1 25. Qh6+ Kg8) 19... Bd7?! { (-4.56 → -3.58) Inaccuracy. Qa5 was best. } (19... Qa5 20. Qxa5 Rxa5 21. e4 dxe4 22. Nxe4 O-O 23. Nc3 b4 24. Ne4 c3 25. Nc5 e5 26. h4) 20. e4 b4 21. Qe3 c3 22. Nb3 dxe4 23. Qxe4 Bc6 24. Qd3 Rg8 25. g3 f5 26. Ra1 Rxa1 27. Rxa1 f6?? { (-4.23 → 2.17) Blunder. Bd5 was best. } (27... Bd5 28. Bd1 Kf8 29. Ra5 Be4 30. Qe2 Kg7 31. f3 Ba8 32. Kg2 Qd6 33. Bc2 Bd5 34. Ra6) 28. Bf3?? { (2.17 → -2.82) Blunder. Ra6 was best. } (28. Ra6 Qb7) 28... Kf7 29. Bxc6 Qxc6 30. f4 Qd5 31. Nc1 Rd8 32. Ne2 Ra8 33. Rf1 Ra2 34. Rc1 Bc5 35. Kf1?? { (-6.40 → Mate in 6) Checkmate is now unavoidable. Rd1 was best. } (35. Rd1 Bb6 36. h4 Qe4 37. Qxe4 fxe4 38. Kf1 c2 39. Re1 b3 40. Nc1 b2 41. Nxa2 b1=Q) 35... Rd2?! { (Mate in 6 → -10.26) Lost forced checkmate sequence. Qh1+ was best. } (35... Qh1+ 36. Kf2 Bxd4+ 37. Qe3 Bxe3+ 38. Kxe3 Qe4+ 39. Kf2 Qxe2+ 40. Kg1 Qg2#) 36. Qe3 Bxd4 37. Nxd4?! { (-10.40 → Mate in 3) Checkmate is now unavoidable. Qxd4 was best. } (37. Qxd4 Rxd4) 37... Qg2+ 38. Ke1 Qh1+ 39. Qg1 Qxg1# { Black wins by checkmate. } 0-1