[Event "Valley Chess"] [Site "Tucson, AZ"] [Date "2017.04.04"] [Round "4"] [White "Carlos Boteo"] [Black "Andy Lin"] [Result "1-0"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "B21"] [Opening "Sicilian Defense: McDonnell Attack"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. f4 { B21 Sicilian Defense: McDonnell Attack } d6 3. Nf3 g6 4. Bc4 Bg7 5. O-O e6 6. d3 Ne7 7. a3 Nbc6 8. c3 O-O 9. Ba2 b5 10. Be3 a5 11. Nbd2 b4 12. d4 bxc3 13. bxc3 cxd4 14. cxd4 d5 15. e5 Ba6 16. Re1 Qd7 17. Nb3 Rfb8 18. Nc5 Qa7 19. Qc2 Bf8 20. g4 Bc4 21. Rac1 a4 22. Ng5? { (0.16 → -1.03) Mistake. Bxc4 was best. } (22. Bxc4 dxc4 23. Qxc4 Nd5 24. f5 Na5 25. Qxa4 exf5 26. gxf5 Nxe3 27. Rxe3 Bh6 28. Ree1 Bxc1) 22... Na5 23. Bb1?! { (-0.64 → -1.22) Inaccuracy. Nge4 was best. } (23. Nge4 dxe4) 23... Nb3 24. Rcd1? { (-1.13 → -2.42) Mistake. Nge4 was best. } (24. Nge4 Nxc1) 24... Nc6?? { (-2.42 → 0.15) Blunder. Nxc5 was best. } (24... Nxc5 25. dxc5 Bb3 26. Qf2 Bxd1 27. Rxd1 Rb3 28. f5 exf5 29. e6 f6 30. Nf7 Rxa3 31. Bh6) 25. Nxb3? { (0.15 → -1.47) Mistake. Nce4 was best. } (25. Nce4 Ncxd4 26. Nf6+ Kg7 27. Qf2 Bc5 28. Kh1 h6 29. Nxf7 Kxf7 30. f5 Ke7 31. fxe6 g5) 25... axb3?! { (-1.47 → -0.87) Inaccuracy. Rxb3 was best. } (25... Rxb3 26. Qf2 Rxa3 27. f5 h6 28. Nf3 Bb4 29. Rf1 Rb3 30. Bxh6 Bxf1 31. Rxf1 exf5 32. gxf5) 26. Qf2 Qxa3 27. f5 Qe7?? { (-0.48 → 1.66) Blunder. Ra7 was best. } (27... Ra7 28. Qh4 h6 29. fxg6 fxg6 30. Nxe6 Qe7 31. Qxe7 Bxe7 32. Bxg6 b2 33. Bb1 Bb4 34. Rf1) 28. f6 Qd7?? { (0.62 → 6.52) Blunder. Qa3 was best. } (28... Qa3 29. Qh4 h6 30. Nxe6 fxe6 31. Bxg6 Rb7 32. Qh5 Qa7 33. Be8 Bb5 34. g5 b2 35. Bxc6) 29. Qh4 h6 30. Nh3?? { (5.55 → 1.91) Blunder. Nf3 was best. } (30. Nf3) 30... Kh7?? { (1.91 → Mate in 7) Checkmate is now unavoidable. Qa7 was best. } (30... Qa7 31. Kh1) 31. Bxh6 Bxh6 32. g5 { Black resigns. } 1-0