1. e2e4  1... c7c5  2. g1f3  2... b8c6  3. f1b5  3... g8f6 Caruana used this move faithfully during the Candidates Tournament. 4. b5c6  4... d7c6  5. d2d3  5... d8c7  6. h2h3 A typical move, preventing …Bg4. It's not really necessary and it's probably not the most accurate, despite being the most played. 6... e7e5  7. b1c3 [%c_effect c3;square;c3;type;Inaccuracy;persistent;true] This doesn't seem like a very good square for the knight, which should probably be heading to c4. 7... f8e7  8. c1e3  8... f6d7 [%c_effect d7;square;d7;type;GreatFind;persistent;true] The well-known maneuver …Nd7-f8-e6 (or g6) comes into play. It's important that Black is able to avoid the f2-f4 advance, which is the best plan for White.