[Retros] using a=>b in Popeye

[Joost de Heer]

peter.fayers at virgin.net wrote:

> Can anyone please tell me how to enter diagram b when using stip a=>b in 

> Popeye?


begin
fors beginposition
stip a=>b7
fors endposition
end

In a=>b, black begins. If you want white to start, use 'option white'.

Example how to do a proofgame:

begin
fors rsbqkbsr/pppppppp/8/8/8/8/PPPPPPPP/RSBQKBSR
stip a=>b2
fors r1bqkbsr/pppppppp/8/4s3/8/8/PPPP1PPP/RSBQKBSR
opt whi
end

Joost