[Event "F1 Regional de Ajedrez R. Ríos"] [Site "https://lichess.org/CnAS6kha"] [Date "2021.10.23"] [White "S11_ArturoAraneda"] [Black "S11_BenitoCox"] [Result "1-0"] [UTCDate "2021.10.23"] [UTCTime "20:56:49"] [WhiteElo "1294"] [BlackElo "1294"] [WhiteRatingDiff "+154"] [BlackRatingDiff "-149"] [Variant "Standard"] [TimeControl "600+5"] [ECO "C47"] [Opening "Four Knights Game: Italian Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bc4 { C47 Four Knights Game: Italian Variation } Na5?! { (0.00 → 0.78) Inaccuracy. Nxe4 was best. } (4... Nxe4 5. Nxe4 d5 6. Bd3 dxe4 7. Bxe4 Bd6 8. d4 exd4 9. Bxc6+) 5. Bd3?! { (0.78 → 0.01) Inaccuracy. Nxe5 was best. } (5. Nxe5 Nxc4 6. Nxc4 Nxe4 7. Nxe4 d5 8. O-O dxe4 9. Qe2 Qd4) 5... c6?? { (0.01 → 2.25) Blunder. Nc6 was best. } (5... Nc6 6. Nd5 Nxd5 7. exd5 Nb4 8. Be4 c6 9. c4 d6 10. Bb1) 6. O-O?! { (2.25 → 1.39) Inaccuracy. Nxe5 was best. } (6. Nxe5 Be7) 6... d5?! { (1.39 → 2.43) Inaccuracy. Bd6 was best. } (6... Bd6 7. a3) 7. exd5?! { (2.43 → 1.38) Inaccuracy. Nxe5 was best. } (7. Nxe5) 7... cxd5?! { (1.38 → 2.62) Inaccuracy. Bd6 was best. } (7... Bd6) 8. Nxe5 Bd6 9. Nf3? { (2.89 → 1.18) Mistake. Bb5+ was best. } (9. Bb5+ Kf8 10. d4 a6 11. Be2 Nc6 12. Bf4 h6 13. Na4 Qc7 14. c4 dxc4 15. Bxc4 Bg4) 9... Bg4?! { (1.18 → 2.33) Inaccuracy. O-O was best. } (9... O-O 10. Be2 Nc6 11. Nb5 Bb8 12. Nbd4 Nxd4 13. Nxd4 a6 14. d3 Qd6 15. g3 Bh3 16. Re1) 10. Re1+ Kd7?? { (2.21 → 5.14) Blunder. Be7 was best. } (10... Be7 11. h3) 11. Bb5+?! { (5.14 → 3.39) Inaccuracy. Nxd5 was best. } (11. Nxd5 Nxd5) 11... Kc7 12. a3? { (3.97 → 2.12) Mistake. Be2 was best. } (12. Be2 a6) 12... a6?! { (2.12 → 2.94) Inaccuracy. d4 was best. } (12... d4) 13. Bd3? { (2.94 → 1.35) Mistake. Be2 was best. } (13. Be2 d4) 13... Re8 14. Rxe8 Qxe8 15. b4? { (2.05 → 0.58) Mistake. h3 was best. } (15. h3) 15... Nc6 16. b5?? { (0.62 → -3.26) Blunder. h3 was best. } (16. h3 Bxf3 17. Qxf3 Ne5 18. Qe2 d4 19. Ne4 Nxd3 20. cxd3 Qe5 21. Ng3 Qf4 22. Qd1 Re8) 16... axb5?? { (-3.26 → 3.09) Blunder. Nd4 was best. } (16... Nd4 17. Qf1) 17. Nxb5+ Kb6?? { (3.17 → 8.06) Blunder. Kd7 was best. } (17... Kd7) 18. Nxd6 Qd7 19. Nb5 Rh8 20. Nc3 Ka5 21. Nb5 Bf5 22. Bb2 h5 23. Bc3+ Kb6 24. a4 Ka6 25. Nd6+?! { (10.96 → 5.80) Inaccuracy. Bf1 was best. } (25. Bf1 Bh3 26. gxh3 Ne4 27. Ne5 Nxe5 28. Bxe5 b6 29. Qe2 Nc5 30. Bxg7 Rg8 31. Nd4+ Kb7) 25... Kb6?! { (5.80 → 12.05) Inaccuracy. Bxd3 was best. } (25... Bxd3 26. Nb5) 26. Nxf5 h4 27. N3xh4 Ne5 28. Bxe5 Qe6 29. Bd4+ Kc6 30. Bb5+ Kc7 31. a5 g6 32. Bb6+ Kb8 33. a6 bxa6 34. Rxa6 gxf5?! { (18.75 → Mate in 6) Checkmate is now unavoidable. Nd7 was best. } (34... Nd7 35. Qa1) 35. Qf3?! { (Mate in 6 → 17.81) Lost forced checkmate sequence. Qa1 was best. } (35. Qa1 Qe1+ 36. Qxe1 Re8 37. Bxe8 Kb7 38. Ra7+ Kc8 39. Bd7+ Nxd7 40. Qe8#) 35... Rxh4 36. Qg3+ f4 37. Qxh4 Qe4 38. Qh8+ Kb7 39. Qa8# { White wins by checkmate. } 1-0