Instead of copying the centre, the reply comes from the side. Both kings come under fire early, so one slip decides it. Of the four central squares, pawns stand on e4 · e5. 2 pieces have left the board. Neither side has castled yet.
The position
Length
15 moves
To move
Black
Legal replies
35
Minor pieces out
White 3 · Black 2
Material
level
Castling rights left
KQkq
FEN
rn1qkb1r/1p3ppp/p2pbn2/4p3/4P3/1NN1BP2/PPP3PP/R2QKB1R b KQkq - 0 8
Move by move
Each move spelled out: which piece went from where to where.