1. e2e4  1... c7c5  2. g1f3  2... b8c6  3. f1b5  3... d7d6 This move is not as popular as 3...g6 or 3...e6, but it's also interesting. 4. e1g1  4... c8d7  5. f1e1  5... g8f6  6. c2c3  6... a7a6  7. b5f1  7... d7g4 A critical position. 8. h2h3  8... g4f3  9. d1f3 