[Event "Memorial M.Najdorf (juniors) (under 18)"] [Site "Buenos Aires (Argentina)"] [Round "4"] [White "Rivas Lucas (ARG)"] [Black "Lupi Pablo Cesar (ARG)"] [Result "1-0"] [WhiteElo "1987"] [BlackElo "2067"] [ECO "B09"] [Opening "Pirc: Austrian, 5...c5"] 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 c5 6.e5 Ng4 7.Bb5+ Bd7 8.Bxd7+ Nxd7 9.h3 cxd4 10.Qxd4 dxe5 11.Qd5 e4 12.Ng5 Nh6 13.Ncxe4 Qb6 14.c3 Rd8 15.Qb3 Qa6 16.Be3 O-O 17.O-O-O b6 18.Rhe1 Nf6 {#r} 1-0