Confused/underpromotion
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A rook can go anywhere a Queen can go, but not in the same number of turns. A Queen attacks more squares than a rook because it can move diagonally as well. Therefore, a rook may avoid giving stalemate where a Queen would.
Here's a typical position where underpromotion saves the day. Be sure to click on "Move List". If White queens his pawn he's immediately mated.
I was on another website where underpromotion to a knight resulted in checkmate. Normally probably in 98% of cases it would be the case to promote to queen, but not always is it good to do so.
The diagram above answers this question. An example of a game where underpromotion to a knight leading to checkmate is demonstrated at blog.chess.com/Charlie91/knighting-the-pawn. In that example, queening would still lead to a win but with more moves.
to prevent stalemate, or just super specific positions that you need to underpromote
Dec 11, 2020
0
#7
Let’s be honest: most of the time underpromotion is done because it’s funny.
I'm reading about underpromotion in a book and I just don't get it. I understand the concept but I don't understand this: in the example, promotion to a queen led to stalemate so making the pawn a rook was suggested. someone help me understand the difference. anywhere a queen can go, a rook can go...thanks.