comment: The knight development on e2 was Kasparov's favorite. White can wait by playing 8.Qc2 before deciding where the knight goes, or he can also play 8.Nf3.
context: 1. d2d4  1... d7d5  2. c2c4  2... e7e6  3. b1c3  3... g8f6  4. c4d5  4... e6d5  5. c1g5  5... f8e7  6. e2e3  6... c7c6  7. f1d3  7... b8d7 