[Event "XXXI Panamerican Youth Chess Festival 2021 - U14 Open"] [Site "Florianópolis, State of Santa Catarina, Brazil"] [Date "2021.09.04"] [Round "9.9"] [White "Amigo Quintana, Antu"] [Black "Guarniz Sandoval, Harold Oliver Paul"] [Result "*"] [WhiteElo "1779"] [BlackElo "1202"] [Variant "Standard"] [TimeControl "-"] [ECO "D85"] [Opening "Grünfeld Defense: Exchange Variation, Modern Exchange Variation"] [Termination "Unterminated"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Rb1 { D85 Grünfeld Defense: Exchange Variation, Modern Exchange Variation } O-O 9. Be2 b6 10. O-O Qc7 11. e5?! { (0.87 → 0.12) Inaccuracy. Re1 was best. } (11. Re1 Bg4 12. h3 Bxf3 13. Bxf3 Nc6 14. d5 Na5 15. Qd3 Nb7 16. Bd2 Rae8 17. c4 e6) 11... Rd8 12. Bf4 Bb7 13. Bc4?! { (0.27 → -0.38) Inaccuracy. Qc1 was best. } (13. Qc1 cxd4) 13... e6 14. Qe2 Nc6 15. Rfd1 Ne7 16. Rbc1 Nd5?! { (-0.51 → 0.17) Inaccuracy. h6 was best. } (16... h6 17. Bd3 Nf5 18. Bxf5 exf5 19. h4 cxd4 20. Rxd4 Bxf3 21. Qxf3 Bxe5 22. Bxe5 Qxe5 23. h5) 17. Bg3? { (0.17 → -1.10) Mistake. Bg5 was best. } (17. Bg5 Rdc8) 17... Rac8?! { (-1.10 → -0.39) Inaccuracy. Bh6 was best. } (17... Bh6 18. Rc2) 18. Bh4 Rd7 19. Bb5 Bc6 20. Ba6 Bb7 21. Bb5 Bc6 22. Bg5 h6 23. Be3 Rcd8?! { (-1.10 → -0.39) Inaccuracy. Bxb5 was best. } (23... Bxb5 24. Qxb5) 24. h4 Bxb5 25. Qxb5 c4 26. Nd2? { (-0.26 → -1.40) Mistake. a4 was best. } (26. a4 Qc8) 26... Rc8?? { (-1.40 → 0.47) Blunder. Nxe3 was best. } (26... Nxe3 27. fxe3) 27. Ne4 Qc6 28. Qb1 Bf8?! { (-0.16 → 0.41) Inaccuracy. b5 was best. } (28... b5 29. a3) *