[Event "F3 Regional de Ajedrez R. Ríos"] [Site "https://lichess.org/y3coNHHs"] [Date "2021.10.30"] [White "S11_ArturoAraneda"] [Black "S11_DanielMartinez"] [Result "0-1"] [UTCDate "2021.10.30"] [UTCTime "13:41:17"] [WhiteElo "1568"] [BlackElo "1610"] [WhiteRatingDiff "-35"] [BlackRatingDiff "+28"] [Variant "Standard"] [TimeControl "600+5"] [ECO "C50"] [Opening "Four Knights Game: Italian Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 Bc5 { C50 Four Knights Game: Italian Variation } 5. O-O O-O 6. b3?! { (0.08 → -0.92) Inaccuracy. d3 was best. } (6. d3 h6 7. h3 d6 8. Na4 Bb6 9. Nxb6 axb6 10. a4 Be6) 6... a6?! { (-0.92 → -0.13) Inaccuracy. d6 was best. } (6... d6 7. h3 Nd4 8. Na4 Nxe4 9. c3 Ne6 10. Nxc5 N4xc5 11. d4) 7. a3 b5 8. Be2 Bb7 9. b4 Ba7 10. Nd5? { (-0.65 → -2.21) Mistake. d3 was best. } (10. d3 Nd4) 10... Nxd5 11. exd5 Ne7 12. c3 f6 13. c4?! { (-1.75 → -2.46) Inaccuracy. d6 was best. } (13. d6 cxd6) 13... bxc4 14. Bxc4 Bxd5 15. Bxd5+ Nxd5 16. Qb3 c6 17. d3 Kh8 18. Nh4? { (-2.38 → -4.05) Mistake. Rb1 was best. } (18. Rb1) 18... Bd4? { (-4.05 → -2.47) Mistake. f5 was best. } (18... f5) 19. Bb2 Bxb2 20. Qxb2 f5 21. Qe2?? { (-2.75 → -9.14) Blunder. Nf3 was best. } (21. Nf3 d6 22. Rac1 Rc8 23. Rfe1 Qd7 24. Rc4 h6 25. Qc2 Rf6 26. Rc1 Ne7 27. Qa4 Qb7) 21... Qxh4 22. g3 Qd4 23. Rae1 Rae8 24. Kh1 f4 25. gxf4 Nxf4 26. f3 Nxe2 27. Rxe2 Qxd3 28. Ref2 e4 29. fxe4?! { (-15.83 → Mate in 5) Checkmate is now unavoidable. Re1 was best. } (29. Re1) 29... Qxf1+ 30. Rxf1 Rxf1+ 31. Kg2 Ra1 32. Kg3 Rxa3+ 33. Kg4 Rxe4+ 34. Kg5 Rxb4 35. h4 Ra5# { Black wins by checkmate. } 0-1