Central pawns disappear early and the lines swing open. Pieces, not pawns, are the ones that take the open squares. Of the four central squares, pawns stand on d5. 1 pieces have left the board. Neither side has castled yet.
The position
Length
4 moves
To move
White
Legal replies
30
Minor pieces out
White 0 · Black 1
Material
39 · 38
Castling rights left
KQkq
FEN
rnbqkb1r/ppp1pppp/5n2/3P4/8/8/PPPP1PPP/RNBQKBNR w KQkq - 1 3
Move by move
Each move spelled out: which piece went from where to where.