Best response to the English Opening: Symmetrical Variation, Three Knights Variation (A34)

1. c4 c5 2. Nc3 Nf6 3. Nf3 · Black to move

What is the best response to the English Opening: Symmetrical Variation, Three Knights Variation (1. c4 c5 2. Nc3 Nf6 3. Nf3)? Black to move. See the top replies ranked by opening theory and real-game results, starting with Nc6.

The main theoretical reply is Nc6, reaching the English Opening: Symmetrical Variation, Four Knights Variation.