context: 1. e2e4  1... e7e5  2. g1f3  2... b8c6  3. f1c4  3... f8c5  4. c2c3  4... g8f6  5. d2d4  5... e5d4  6. e4e5 A fashionable line, embraced by Wesley So, among other GMs. 6... d7d5  7. c4b5  7... f6e4  8. c3d4 