8/8/8/8/8/8/8/8 w - - 0 1

How this works 👁

Enter any number of instructions, separated by spaces. Later instructions can overwrite previous instructions.
Once you're done, click copy, and enter the FEN code into the lichess analysis board, or your computer program of choice.

Bf4 = White bishop on f4
kb8 = Black king on b8
P(e4 d4 c4) = White pawns on e4, d4, and c4
btp = Black to Play
K = White can castle kingside
xq = Black cannot castle queenside
epf6 = En Passant is legal on f6(Black has just played f5)
#6 = Move number 6
30/ = 30 half-moves made since last pawn move or piece capture
start = Begin with the starting position, rather than an empty board
xb1 = No piece on b1