[%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.
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 