White makes the interference to avoid a stalemate by allowing a fight to the opposite King, which is met by a discovered mate by the same white piece.
ECHESSPEDIA
Quotes of the Day
I think I like chess. That’s the main reason that I’m able to play at a reasonably high level – that I really love chess. Always have and always will (smiles). It’s the best game in the world!
Nigel Short 2016
Looks like I’m going to raise the average age of the field and lower the average rating!
Garry Kasparov 2017
First of all, I am a mother, and only then a chessplayer
Ketevan Arakhamia-Grant 2009
You can’t look too annoyed or they’ll look for the mistake you’ve made. A lot of the time it’s about looking for these opportunities and if you give them a clue, the good players will find it.
Magnus Carlsen 2016
School is a waste of time for me. I want to be world chess champion, and they can’t teach me anything there.
Robert Fischer 1961