[Event "2021 Autumn Marathon"] [Site "https://lichess.org/j5PhHmFv"] [Date "2021.10.23"] [White "Orelvorona"] [Black "LeonardoSilva"] [Result "0-1"] [UTCDate "2021.10.23"] [UTCTime "22:32:10"] [WhiteElo "2055"] [BlackElo "2082"] [WhiteRatingDiff "-5"] [BlackRatingDiff "+5"] [Variant "Standard"] [TimeControl "180+2"] [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 } e6 4. e3 Bd6 5. Bg3 O-O 6. Be2 c5 7. c3 Nc6 8. O-O b6 9. dxc5 bxc5 10. Nbd2 Bb7 11. Nb3?! { (-0.24 → -0.94) Inaccuracy. c4 was best. } (11. c4 Be7 12. Qa4 Qb6 13. Rac1 Rfd8 14. cxd5 exd5 15. a3 h6 16. Rfd1 a5 17. Qb5 Qa7) 11... Rc8?! { (-0.94 → -0.25) Inaccuracy. a5 was best. } (11... a5 12. Bxd6 Qxd6 13. c4 a4 14. cxd5 exd5 15. Nbd2 Rfb8 16. Rc1 h6 17. a3 Nd8 18. Qc2) 12. Nbd2?! { (-0.25 → -0.82) Inaccuracy. Bxd6 was best. } (12. Bxd6) 12... Be7 13. Qb3 Ba8 14. Rfd1 c4 15. Nxc4?? { (0.15 → -1.68) Blunder. Qc2 was best. } (15. Qc2 Qb6 16. b3 cxb3 17. axb3 a5 18. Rdc1 Bb7 19. Ne5 Ra8 20. Qb2 Rfc8 21. Ra2 h6) 15... dxc4 16. Rxd8 cxb3 17. Rxf8+ Bxf8 18. axb3 Rd8?? { (-2.36 → -0.34) Blunder. Ne4 was best. } (18... Ne4 19. b4 Nxg3 20. hxg3 Rc7 21. Kf1 g6 22. Nd2 Ne5 23. f4 Nd7 24. Bf3 Bxf3 25. Nxf3) 19. Bb5?? { (-0.34 → -2.56) Blunder. b4 was best. } (19. b4) 19... Nd5? { (-2.56 → -1.01) Mistake. Ne4 was best. } (19... Ne4 20. b4 Nxg3 21. hxg3 Bb7 22. Bxc6 Bxc6 23. Rxa7 Rd1+ 24. Kh2 Rd7 25. Ra6 Bb7 26. Rb6) 20. h3? { (-1.01 → -2.34) Mistake. b4 was best. } (20. b4 Nb6 21. Nd4 Nxd4 22. exd4 Nc8 23. Bc7 Rd5 24. Ba6 Rd7 25. Bb8 Bb7 26. Bb5 Re7) 20... h6? { (-2.34 → -0.68) Mistake. Bc5 was best. } (20... Bc5 21. b4 Bb6 22. Be2 Nf6 23. b5 Na5 24. Ra3 Bxf3 25. gxf3 Rc8 26. c4 Ne8 27. Bh2) 21. Bxc6? { (-0.68 → -2.18) Mistake. b4 was best. } (21. b4 Nb6 22. Bc7 Rc8 23. Bg3 f6 24. Nd2 e5 25. f3 Rc7 26. Nc4 Nxc4 27. Bxc4+ Kh7) 21... Bxc6 22. Rxa7 Nf6?! { (-2.28 → -1.44) Inaccuracy. f6 was best. } (22... f6 23. Nd4 Bd7 24. Ra5 Kf7 25. Ra7 Bc5 26. Rb7 Kg6 27. b4 Bxd4 28. exd4 Bc6 29. Ra7) 23. Nd4 Be4 24. b4 Bd3 25. Nc6 Rd5?! { (-0.42 → 0.49) Inaccuracy. Rc8 was best. } (25... Rc8 26. Ne5 Bb5 27. Nxf7 Ne4 28. Bf4 Be8 29. Ne5 g5 30. Bg3 Rd8 31. Ra1 Nxg3 32. fxg3) 26. Rb7? { (0.49 → -0.71) Mistake. Ra8 was best. } (26. Ra8 Rd7) 26... Kh7? { (-0.71 → 0.50) Mistake. Be4 was best. } (26... Be4 27. b5 Rc5 28. Rb6 Bd5 29. f3 Bxc6 30. bxc6 Nd5 31. Ra6 f6 32. e4 Ne7 33. c7) 27. Rxf7 Bd6 28. Bxd6 Rxd6 29. Ne5 Ba6?? { (0.46 → 4.41) Blunder. Rd5 was best. } (29... Rd5 30. Nxd3 Rxd3 31. b5 Rd1+ 32. Kh2 Rb1 33. b4 Nd5 34. c4 Nxb4 35. Rd7 Na2 36. Rd6) 30. Ra7?? { (4.41 → 0.87) Blunder. c4 was best. } (30. c4 h5 31. Ra7 Bc8 32. Kh2 h4 33. Rc7 Bd7 34. b5 Be8 35. c5 Rd2 36. b6 Rxb2) 30... Ne4?? { (0.87 → 3.88) Blunder. Rd1+ was best. } (30... Rd1+ 31. Kh2) 31. c4?? { (3.88 → 0.00) Blunder. f3 was best. } (31. f3 Nd2 32. Kf2 Bb5 33. Rb7 Ba4 34. c4 Nb1 35. Kg3 Rd2 36. Ra7 Bb3 37. b5 Rxb2) 31... Bc8?? { (0.00 → 4.98) Blunder. Rd1+ was best. } (31... Rd1+ 32. Kh2 Nd2 33. Rxa6 Nf1+ 34. Kg1 Nxe3+ 35. Kh2 Nf1+ 36. Kg1 Ne3+) 32. b5 Rd1+ 33. Kh2 Nxf2 34. Rc7 Rd8 35. Nf7 Rf8 36. Nd6 Nd3 37. Rxc8 Rf2 38. b6 Ne1 39. Ne4?? { (9.18 → 0.13) Blunder. b7 was best. } (39. b7) 39... Rxg2+ 40. Kh1 Rxb2 41. Nd6?? { (0.10 → Mate in 4) Checkmate is now unavoidable. Kg1 was best. } (41. Kg1 Nf3+) 41... Rxb6?? { (Mate in 4 → 0.00) Lost forced checkmate sequence. Nf3 was best. } (41... Nf3 42. Rh8+ Kg6 43. Rxh6+ gxh6 44. c5 Rh2#) 42. c5 Rb2 43. c6?? { (0.00 → Mate in 4) Checkmate is now unavoidable. Kg1 was best. } (43. Kg1 Kg6 44. Re8 Nf3+ 45. Kf1 Rd2 46. Rxe6+ Kh5 47. c6 Nh2+ 48. Ke1 Nf3+) 43... Nf3 44. c7 Rh2# { Black wins by checkmate. } 0-1