[Event "LOS OGROS INVITAN Arena"] [Site "https://lichess.org/dFiSARnX"] [Date "2024.10.06"] [White "Roberto_Mamani"] [Black "Santiago_Mamani"] [Result "1-0"] [UTCDate "2024.10.06"] [UTCTime "23:31:07"] [WhiteElo "1111"] [BlackElo "1384"] [WhiteRatingDiff "+10"] [BlackRatingDiff "-13"] [Variant "Standard"] [TimeControl "180+2"] [ECO "A40"] [Opening "Horwitz Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 e6 { A40 Horwitz Defense } 2. Nf3 d5 3. e3 c5 4. c3 Qb6 5. Bd3 Nf6 6. O-O Nc6 7. Qe2 Be7 8. Nbd2 O-O 9. e4?! { (0.59 → -0.07) Inaccuracy. dxc5 was best. } (9. dxc5 Bxc5) 9... c4? { (-0.07 → 1.45) Mistake. cxd4 was best. } (9... cxd4) 10. Bc2 e5?? { (1.48 → 3.75) Blunder. Bd7 was best. } (10... Bd7 11. Re1 Rac8 12. e5 Ne8 13. a4 Na5 14. h4 f5 15. exf6 gxf6) 11. dxe5 dxe4? { (2.98 → 5.79) Mistake. Nxe4 was best. } (11... Nxe4 12. Nxe4 dxe4 13. Qxe4 g6 14. Qxc4 Be6 15. Qa4 Rad8 16. Bb3 Bd5 17. Bxd5) 12. Nxe4? { (5.79 → 2.94) Mistake. exf6 was best. } (12. exf6 exf3 13. Qe4 g6 14. fxe7 Re8 15. Qxf3 Ne5 16. Qg3 Rxe7 17. Qh4 Re8) 12... Nxe4 13. Qxe4 g6 14. Qxc4 Bg4?? { (2.60 → 6.04) Blunder. Re8 was best. } (14... Re8 15. Qa4 Be6 16. Bb3 Bc5 17. Bxe6 Rxe6 18. Qh4 Nxe5 19. Ng5) 15. Ng5?? { (6.04 → 2.12) Blunder. Qxg4 was best. } (15. Qxg4 a5 16. Rb1 Bc5 17. Qf4 a4 18. Be3 Bxe3 19. fxe3 Ra5 20. b4 axb3) 15... Bxg5 16. Bxg5 Be6?! { (2.81 → 4.07) Inaccuracy. Nxe5 was best. } (16... Nxe5 17. Qf4) 17. Qf4 Rfd8 18. Qf6 Kf8?? { (4.45 → Mate in 1) Checkmate is now unavoidable. Qc5 was best. } (18... Qc5 19. Rfe1 Qf8 20. Qf4 Rd7 21. h4 Ne7 22. Rad1 Rad8 23. Rxd7 Rxd7 24. h5) 19. Bh6+? { (Mate in 1 → 8.03) Lost forced checkmate sequence. Qh8# was best. } (19. Qh8#) 19... Ke8 20. Qh8+? { (7.42 → 3.90) Mistake. Rad1 was best. } (20. Rad1 Rd5 21. Qh8+ Kd7 22. Qxa8 Rxd1 23. Rxd1+ Kc7 24. Qf8 Qxb2 25. Be4 Qe2) 20... Kd7 21. Qxh7?? { (3.97 → -0.29) Blunder. Qf6 was best. } (21. Qf6 Kc7 22. b4 Rd7 23. Be3 Qa6 24. Bc5 Re8 25. Rfe1 Red8 26. Bb3) 21... Qc7?? { (-0.29 → 5.41) Blunder. Rh8 was best. } (21... Rh8 22. Rad1+ Kc7 23. Qg7 Rag8 24. Qf6 Rxh6 25. Bb3 Rgh8 26. Bxe6 fxe6 27. h3) 22. Bf4 Ke7?! { (4.58 → 7.10) Inaccuracy. Qb6 was best. } (22... Qb6 23. Rfd1+ Kc7 24. Bb3 Rxd1+ 25. Rxd1 Rd8 26. Re1 Ne7 27. Bxe6 Qxe6 28. h3) 23. Bg5+ Ke8 24. Qh8+ Kd7 25. Qf6?! { (7.67 → 5.62) Inaccuracy. Rfd1+ was best. } (25. Rfd1+ Kc8 26. Rxd8+ Nxd8 27. Rd1 Bd7 28. Bxg6 b5 29. e6 fxe6 30. Be4 Rb8) 25... Nxe5?! { (5.62 → 7.99) Inaccuracy. Re8 was best. } (25... Re8 26. Rad1+ Kc8 27. Rd6 a5 28. Bxg6 a4 29. Be4 Ra5 30. Bxc6 bxc6 31. Rfd1) 26. Rad1+ Ke8? { (7.71 → Mate in 1) Checkmate is now unavoidable. Kc6 was best. } (26... Kc6 27. Rxd8 Rxd8 28. Qxd8 Qxd8 29. Bxd8 Bxa2 30. Rd1 f5 31. b3 Nd7 32. Ra1) 27. Qh8# { White wins by checkmate. } 1-0