開局

Sicilian Defense: Nimzowitsch, Advance, Rubinstein Countergambit

1.e4 c5 2.Nf3 Nf6 3.e5 Nd5 4.Nc3 e6 5.Nxd5 exd5 6.d4 Nc6 7.dxc5
頂尖棋手