1. e2e4  1... c7c5  2. g1f3  2... d7d6  3. d2d4  3... c5d4  4. f3d4  4... g8f6  5. b1c3  5... a7a6  6. c1g5  6... e7e6  7. d1f3 A rare line, which became popular thanks to the efforts of the unforgettable Bronstein. Recently Nepomniachtchi added it to his repertoire as well. 7... f8e7 