1. e2e4  1... c7c6  2. d2d4  2... d7d5  3. e4d5 When Bobby Fischer played this variation, no one paid much attention to it, but it looks like he was many years ahead of his time. Check the wonderful game Fischer vs. Petrosian, Belgrade 1970. 3... c6d5  4. f1d3  4... g8f6 