Pawn promotion to Rook/Bishop


calvinhobbesliker> you would promote to a rook instead of a queen to prevent stalemating your opponent. same for bishop
Agreed! A few other reasons are: (1) to cause stalemate, (2) to checkmate your opponent faster, and of course (3) to punish players who refuse to resign.

A few other reasons are: <snip> (2) to checkmate your opponent faster <snip>
Likesforest - under what circumstance would this apply? When would a bishop/or rook permit faster checkmate than with a queen?

Manning> Likesforests - under what circumstance would this apply? When would a bishop/or rook permit faster checkmate than with a queen?
Take a look at an example I posted a month ago. In that example, White mates a couple moves faster with a rook because he doesn't have to worry about stalemate. And yes, there are real, practical games where this has actually happened. :)
Apologies if this is a rank newbie question.
I can think of circumstances where a pawn promotion to a knight is preferable to a queen - there was a puzzle on this the other day.
But are there any circumstances where promotion to a bishop or a rook is preferable to a queen? I can't think of any, (not that that means anything, of course)