[Event "London m3 ;HCL 18"] [Site "03"] [Date "1834.??.??"] [Round "37"] [White "Louis Charles Mahe De La Bourdonnais (?)"] [Black "Alexander McDonnell (?)"] [Result "1-0"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [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 } e5 4. Bxc4 exd4 5. exd4 Nf6 6. Nc3 Be7 7. Nf3 O-O 8. h3 Nbd7 9. Be3 Nb6 10. Bb3 c6 11. O-O Nfd5 12. Qe2 f5 13. Rae1 g5?! { (0.47 → 1.14) Inaccuracy. Bf6 was best. } (13... Bf6 14. Bd2 a5 15. a4 Bd7 16. Qd3 Qc8 17. Nxd5 Nxd5 18. Re2 Re8 19. Rxe8+ Qxe8 20. Re1 Qc8 21. Bxd5+) 14. Bd2 Bf6 15. Ne5 Qe8?! { (1.26 → 2.25) Inaccuracy. Re8 was best. } (15... Re8 16. Qh5 Be6 17. f4 gxf4 18. Bxf4 Qe7 19. Bd2 Qg7 20. Nxd5 cxd5 21. Bc2 Bxe5 22. Rxe5 Nc4 23. Bh6) 16. f4?! { (2.25 → 1.61) Inaccuracy. Nxd5 was best. } (16. Nxd5 cxd5 17. Bb4 Be6 18. Bxf8 Qxf8 19. Ng4 Re8 20. Nxf6+ Qxf6 21. Qe5 Kf7 22. Qc7+ Re7 23. Qc5 h5) 16... g4 17. hxg4 fxg4 18. f5 Qh5 19. Bc2?? { (2.52 → 0.25) Blunder. Ne4 was best. } (19. Ne4 Bxe5 20. dxe5 Bxf5 21. Nf6+ Rxf6 22. exf6 Bg6 23. Qe7 Bf7 24. Qe5 Qxe5 25. Rxe5 Kh8 26. Bh6 Nc8) 19... Qh4? { (0.25 → 1.95) Mistake. Bxe5 was best. } (19... Bxe5 20. dxe5 Bxf5 21. Bh6 Qxh6 22. Bxf5 Kh8 23. e6 Qg7 24. Bxg4 Rxf1+ 25. Rxf1 Rg8 26. Nxd5 Nxd5 27. Bf3) 20. Qe4 Kh8 21. Nxg4 Nc4 22. Nxf6 Qxf6 23. Nxd5 cxd5 24. Qf4 Nxd2 25. Qxd2 Bd7 26. Re5 Rg8 27. Rfe1?! { (1.99 → 1.01) Inaccuracy. Bb3 was best. } (27. Bb3 Bc6 28. Qf4 Rae8 29. Rf2 Rd8 30. Re6 Qg5 31. f6 Rdf8 32. Re5 Qg4 33. Qd2 Qh4 34. Rf4 Rg4) 27... Qh4 28. R1e2 Bb5?! { (1.18 → 1.98) Inaccuracy. Raf8 was best. } (28... Raf8 29. Qe1 Qxd4+ 30. Qf2 Qxf2+ 31. Rxf2 Rf6 32. Rxd5 Bc6 33. Ra5 a6 34. Re5 Rg4 35. Re7 h5 36. Rfe2) 29. Rf2 Rg4?? { (1.87 → 4.85) Blunder. Raf8 was best. } (29... Raf8 30. Re6 Qg5 31. Qxg5 Rxg5 32. Re5 Rf6 33. Rxd5 Bc4 34. Ra5 a6 35. Rf4 b6 36. Ra3 Bd5 37. g4) 30. f6 Rxd4?! { (4.96 → 7.77) Inaccuracy. Rf8 was best. } (30... Rf8 31. Re7 Rxf6 32. Rxh7+ Qxh7 33. Bxh7 Rxf2 34. Qxf2 Kxh7 35. Qf7+ Kh6 36. Qxb7 a6 37. Qxd5 Rf4 38. Qe5) 31. Qe3 Rg4 32. Re7 d4?! { (13.96 → Mate in 12) Checkmate is now unavoidable. Rag8 was best. } (32... Rag8 33. Rxh7+ Qxh7 34. Bxh7 R8g5 35. f7 Rxg2+ 36. Rxg2 Rxg2+ 37. Kxg2 Kg7 38. Qe5+ Kxf7 39. Qxd5+ Kf6 40. Qxb5) 33. Qe5 Rg5 34. f7+ Rxe5 35. f8=Q+ Rxf8 36. Rxf8# { White wins by checkmate. } 1-0