開局

English Opening: Fianchetto, Ultra-Symmetrical, Mecking Variation

1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d4 cxd4 8.Nxd4 Ng4 9.e3
頂級棋手