When would it ever be beneficial to promote a pan to a bishop or rook?

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crazygin
I can imagine a scenario where promoting a pawn to a knight would result in checkmate in a way a promoted queen could not. I can’t imagine any scenario why getting a bishop or rook would be more beneficial then just a queen.

If i’m correct (which i very well might not be) then who decided to add the ability to promote to bishops and rooks?
GMPatzer
 
Here is an under promotion to avoid stalemate 

 

GMPatzer
Here you could under promote

 

crazygin
Thanks and good to know. i wonder how often under promoting actually happens to a persons advantage.
eric0022

When would it ever be beneficial to promote a pan to a bishop or rook?

 

I would promote it to a wok or even a microwave oven.

eric0022

Under-promoting usually avoids stalemate traps which otherwise a queen would have fallen to.

Chuck639
crazygin wrote:
I can imagine a scenario where promoting a pawn to a knight would result in checkmate in a way a promoted queen could not. I can’t imagine any scenario why getting a bishop or rook would be more beneficial then just a queen.

If i’m correct (which i very well might not be) then who decided to add the ability to promote to bishops and rooks?

This was a game from my drunk May two four long weekend. Black to move.

https://www.chess.com/game/live/46395010183