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- A60-A79 1. d4 Nf6 2. c4 c6 3. d5 e6 Modern Benoni Defense, A73 - 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O - Benoni Defense: Classical Variation, Main Line, A73f - 10.h3 - Classical (1956), SÉRIE A
Buenos Aires olm 1978 – Round 1 – Polugaevsky, Lev – 1-0 – Acuna Vilela, Jose Alberto – G1
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- A80-A99 1. d4 f5 Dutch, A93 - 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5 7.b3 - Dutch Defense: Stonewall Variation, Botvinnik Variation, A93d - 7…Nc6 - Stonewall, Botvinnik (1956), SÉRIE A
Buenos Aires olm 1978 – Round 1 – Schmidt, Waldemar – 1/2-1/2 – Spassky, Boris V. – G28
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