Aperturas

Queen's Gambit Accepted: Classical, Steinitz Variation, Exchange Variation

1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O cxd4 7.exd4 Be7 8.Nc3 O-O
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