e4 c5 Nf3 Nc6 Bb5 g6 O-O Bg7 c3 e5 d4
e4 c5 Nf3 Nc6 Bb5 g6 O-O Bg7 c3 Nf6 d4
e4 c5 Nf3 Nc6 Bb5 g6 O-O Bg7 Re1 e5 b4
e4 c5 Nf3 Nc6 Bb5 Na5 b4