1. c2c4  1... c7c6  2. g1f3  2... d7d5  3. d2d4  3... g8f6  4. b1c3  4... d5c4  5. a2a4  5... c8f5  6. f3e5  6... b8d7  7. e5c4  7... d8c7  8. g2g3  8... e7e5 According to Megabase, the first time this complex Slav line occurred was back in 1929 (see below.) 9. d4e5  9... d7e5  10. c1f4  10... f6d7  11. f1g2  11... g7g5 11...g5 is better than 11...f6, claims the base. 12. c4e3  12... g5f4  13. e3f5  13... e8c8 