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Rewrite a FEN's side to move

Source: R/fct_game_tracker.R
fen_with_turn.Rd

The en-passant square is cleared at the same time: it belongs to the side that was about to move, and is meaningless once the other side is on turn.

Usage

fen_with_turn(fen, turn)

Arguments

fen

A FEN string.

turn

"w" or "b".

Value

The FEN with its turn field replaced.