Mar del Plata Open

Miguel Najdorf (2445)

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1994
1/2 : 1/2

Diego Valerga (2375)

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1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.e3 Ba6 5.Bd3 Bb4+ 6.Nc3 O-O 7.O-O Bxc3 8.bxc3 d5 9.Qb3