[Event "75° Abierto de Verano - Circulo de Ajedrez de Villa Ballester"] [Site "lichess.org"] [Date "2026.01.17"] [Round "4.1"] [White "Llanos, Guillermo"] [Black "Acosta, Pablo Ismael"] [Result "1/2-1/2"] [ECO "A36"] [WhiteElo "2248"] [BlackElo "2484"] [WhiteFideId "100358"] [BlackFideId "124311"] [PlyCount "43"] [GameId "2267329207717888"] [EventDate "2026.??.??"] 1. g3 c5 2. Bg2 Nc6 3. c4 Nf6 4. Nc3 e6 5. e4 d6 6. Nge2 h5 7. h3 Nd4 (7... d5 8. exd5 exd5 9. cxd5 Nb4 10. d4) 8. d3 g6 9. Be3 e5 10. Qd2 Bg7 11. Bg5 Ne6 12. Be3 (12. Bh4 g5 (12... Bh6 13. f4 exf4 14. gxf4 Nxf4 15. Nxf4 g5) 13. Bxg5 Nxg5 14. Qxg5 Bh6 15. Qh4) 12... h4 13. Nd5 (13. O-O-O) 13... hxg3 14. fxg3 Nxd5 15. cxd5 Nd4 16. O-O-O (16. Qd1) (16. Bg5 f6 17. Be3 Bd7 18. b4) 16... Bd7 (16... b5 17. Rdf1 b4 18. Bxd4) 17. Kb1 Qb6 18. g4 f6 19. g5 Nxe2 20. Qxe2 O-O-O 21. gxf6 Bxf6 22. Bf3 1/2-1/2