[Event "IM LagrangeEquation simul"] [Site "https://lichess.org/KkHjXJvu"] [Date "2024.03.03"] [White "LagrangeEquation"] [Black "Makadamiya112"] [Result "1-0"] [UTCDate "2024.03.03"] [UTCTime "13:30:58"] [WhiteElo "2488"] [BlackElo "1744"] [WhiteTitle "IM"] [Variant "Standard"] [TimeControl "300+5"] [ECO "D20"] [Opening "Queen's Gambit Accepted: Old Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. c4 dxc4 3. e3 { D20 Queen's Gambit Accepted: Old Variation } e6 4. Bxc4 Nc6?! { (0.32 → 1.20) Inaccuracy. Nf6 was best. } (4... Nf6 5. Nf3 c5 6. O-O a6 7. dxc5 Bxc5 8. Qxd8+ Kxd8 9. Be2) 5. Nf3 Nf6 6. O-O g6 7. Nc3 Bg7 8. Qe2?! { (2.21 → 1.42) Inaccuracy. Re1 was best. } (8. Re1 O-O 9. e4 h6 10. h3 b6 11. Be3 Bb7 12. Qd2 Kh7) 8... O-O 9. Rd1 b6 10. e4 Bb7 11. Bg5 h6 12. Bh4?! { (1.11 → 0.35) Inaccuracy. Bf4 was best. } (12. Bf4 g5 13. Be3 Na5 14. Bd3 Ng4 15. e5 Nxe3 16. Qxe3 f5 17. b4 Nc6 18. Bc4 Nxb4) 12... Qd7? { (0.35 → 2.01) Mistake. g5 was best. } (12... g5 13. Bg3) 13. Ne5 Qc8 14. f4?! { (1.63 → 0.97) Inaccuracy. Nxc6 was best. } (14. Nxc6 Bxc6 15. Rac1 Qd7 16. Bb3 Rae8 17. h3 a6 18. Qe3 Ba8 19. Ba4 b5 20. Bc2) 14... Nxe5 15. dxe5 Nh7 16. Rd2 a5?! { (0.95 → 1.92) Inaccuracy. g5 was best. } (16... g5 17. Bg3) 17. Rad1 g5 18. Bg3 Ba6 19. Nb5 c6?! { (2.00 → 3.08) Inaccuracy. Bxb5 was best. } (19... Bxb5 20. Bxb5 c6 21. Rc1 gxf4 22. Bxf4 a4 23. Bxc6 Ra5 24. Rd3 Rc5 25. Rxc5 bxc5 26. Bxa4) 20. Nd6 Bxc4 21. Qxc4 Qc7 22. Rc1?! { (3.71 → 2.57) Inaccuracy. f5 was best. } (22. f5 b5 23. Qe2 exf5 24. exf5 Rfd8 25. Qh5 Qa7+ 26. Kh1 a4 27. f6 Bf8 28. h4 a3) 22... f6? { (2.57 → 5.01) Mistake. gxf4 was best. } (22... gxf4 23. Bxf4 Qe7 24. Rd3 Kh8 25. Qxc6 f6 26. Qc3 fxe5 27. Bxe5 Bxe5 28. Qxe5+ Qf6 29. Qd4) 23. exf6 Bxf6 24. fxg5?! { (4.61 → 3.59) Inaccuracy. Qxe6+ was best. } (24. Qxe6+ Kh8 25. f5 g4 26. Rxc6 Qg7 27. e5 Bg5 28. Re2 b5 29. Qb3 a4 30. Qc3 a3) 24... Bxg5 25. Qxe6+ Kh8 26. Be5+ Nf6 27. Rf1 Bxd2?? { (5.15 → Mate in 7) Checkmate is now unavoidable. Qg7 was best. } (27... Qg7 28. Rd3 Ra7 29. Rdf3 Re7 30. Rxf6 Bxf6 31. Qxf6 Rxe5 32. Qxf8+ Qxf8 33. Rxf8+ Kh7 34. Rf2) 28. Bxf6+?? { (Mate in 7 → 6.82) Lost forced checkmate sequence. Rxf6 was best. } (28. Rxf6 Be3+ 29. Kh1 Rxf6 30. Qxf6+ Kh7 31. Qf5+ Kg8 32. Qg6+ Kf8 33. Qf6+ Kg8 34. Qh8#) 28... Rxf6 29. Rxf6 Qg7 30. Nf5 Qh7?! { (5.39 → 7.12) Inaccuracy. Qg4 was best. } (30... Qg4 31. Rxh6+ Bxh6 32. Qxh6+ Kg8 33. h3 Qd1+ 34. Kh2 Ra7 35. Qg5+ Kf8 36. e5 Qd5 37. Qf6+) 31. Rf7 Qg8?? { (6.68 → Mate in 2) Checkmate is now unavoidable. Qxf7 was best. } { Black resigns. } (31... Qxf7 32. Qxf7 Rg8 33. Qf6+ Kh7 34. Kf2 a4 35. Kf3 a3 36. Qe7+ Kh8 37. bxa3 c5 38. Qf6+) 1-0