underpromotion

ThePowerOfCats

post your puzzles and games That you played that involve under promotion here.

bp.png--> bn.png

wp.png-->wb.png

ThePowerOfCats

 

Nordlandia
It's a draw even black is a full rook ahead. 

 

Trexler3241

 

eric0022

 

Promotion to black knight.

eric0022

 

Trexler3241

 

eric0022

You mean 24. a8=B.

eric0022

 

Trexler3241

What should white do now?

pfren
Nordlandia έγραψε:
It's a draw even black is a full rook ahead. 

 

 

Of course this example has no practical valude, but 6.Bef4 loses.

White can draw with 6.Bf2, check here:

https://syzygy-tables.info/

arjunjagan
 

 

eric0022

 

Underpromotion as a defensive measure to prolong an inevitable checkmate.

eric0022

 

Trexler3241
What should White promote into?

 

eric0022

 

eric0022

 

Trexler3241
eric0022 wrote:

 

That’s called “unnecessary under promotion”.

eric0022
Trexler3241 wrote:
eric0022 wrote:

 

That’s called “unnecessary under promotion”.

 

I forgot the opening which uses this underpromotion trick. There was one, but I could not remember the order.

Trexler3241