With the bishop on c5 the knight usually goes to f6, which must be followed at some point by the move h6, to prevent Bg5. This is Black's ideal development, with the knight close to the king and the bishop on a good diagonal.
1. c2c4  1... e7e5  2. b1c3  2... g8f6  3. g1f3  3... b8c6  4. g2g3  4... d7d5  5. c4d5  5... f6d5  6. f1g2  6... f8c5 One of the main lines of the modern way of playing the English Opening. 7. d2d3  7... e8g8  8. c1d2 This is a thematic move, but rarely played before castling.