Best response to the King's Pawn Game (B00)

1. e4 · Black to move

What is the best response to the King's Pawn Game (1. e4)? Black to move. See the top replies ranked by opening theory and real-game results, starting with d5.

The main theoretical reply is d5, reaching the Scandinavian Defense.

Ranked replies for Black
e6 50% · 6g
e5 46% · 12g
c5 27% · 13g
c6 50% · 2g
d6 50% · 2g
Nc6 50% · 1g
Na6 theory
a5 theory
b6 theory
f6 theory