1. e4 e5
2. Nf3 Nc6
3. Bb5 a6
4. B×c6 d×c6
5. 0-0 Qd6
6. Na3 Be6 (2)
1. e4
1…e5
2. Nf3
2…Nc6
3. Bb5
3…a6
4. B×c6
4…d×c6
5. 0-0
5…Qd6
6. Na3
6…Be6 (2)
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Bg5-Old Main Line-1 1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 a6 6 Bg5 e6 7 f4 Be7 8 ... -
1 e4 c5 2 Nf3 d6 3 d4 cxd4 4 Nxd4 Nf6 5 Nc3 e6 6 Be3 Nc6 7 Bc4 1 e4 1….c5 2 Nf3 2….d6... -
1 e4 c5 2 Nf3 d6 3 e4 cxd4 4 Nxd4 a6 5 Nc3 Nc6 6 Be2 1 e4 1….c5 2 Nf3 2….e6 3 d4 3...