[Event "Memorial M.Najdorf (qual.) (under 20)"] [Site "masterchessopen.com Buenos Aires (Argentina)"] [Date "2003.10.06"] [Round "7"] [White "Lafuente Pablo (ARG)"] [Black "Obregon Andres Carlos (ARG)"] [Result "1/2-1/2"] [WhiteElo "2473"] [BlackElo "2297"] [ECO "E32"] [Opening "Nimzo-Indian: Classical, 4...d6"] 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d6 5.a3 Bxc3+ 6.Qxc3 Qe7 7.Nf3 Nbd7 8.e3 O-O 9.b3 b6 10.Bb2 Bb7 11.O-O-O c5 12.Kb1 Rac8 13.d5 e5 14.Qc2 e4 15.Nd2 Rfe8 16.Be2 b5 17.g4 bxc4 18.bxc4 Nb6 19.g5 Nfd7 20.h4 {#d} 1/2-1/2