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
You only task in the opening is to reach a playable middle game.
Lajos Portisch
I never make mistakes in chess, I only have hallucinations!
Vlastimil Hort 1987
Good players actually use their long-term memory much more than inexperienced players, who use their short-term memory. Good players try to recall patterns.
Magnus Carlsen 2016 2016
Kramnik was the luckiest man in the history of chess. He never won a single cycle, he got all the matches that he played for political reasons.
Veselin Topalov 2014
My chess method is without formulas, without orthodox thinking. I always explain that chess is an art and that there are no definite judgments.
Lev Polugaevsky 1990 NIC