1. c2c4  1... e7e5  2. b1c3  2... g8f6  3. g1f3  3... b8c6  4. e2e4 Quite popular these days. 4... f8b4  5. d2d3  5... a7a6 Black intends to keep his dark squared bishop. 6. f1e2  6... d7d6  7. h2h3  7... b4c5  8. e1g1  8... e8g8  9. c1e3 