1. e2e4  1... c7c6  2. g1f3  2... d7d5  3. b1c3 Vachier-Lagravve's favorite anti-Caro-Kann  line. It seems as the leading French player attracted a lot of his  countrymen to follow him. 3... c8g4  4. h2h3  4... g4f3 