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  9... e8g8  10. f3g2 