1. c2c4  1... g8f6  2. b1c3  2... e7e5  3. g1f3  3... b8c6  4. g2g3  4... c6d4 A solid line which served Black well in the past. 5. f1g2  5... d4f3  6. g2f3  6... f8b4  7. d1b3  7... a7a5  8. e1g1  8... b4c5  9. d2d3 