开局

English Opening: Symmetrical, Fianchetto, Rubinstein Variation

1.c4 c5 2.g3 Nf6 3.Bg2 d5 4.cxd5 Nxd5 5.Nc3 Nc7 6.Nf3 Nc6 7.Qa4 Bd7
顶级棋手