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
” The fact that a player is very short of time is, to my mind, as little to be considered an excuse as, for instance, the statement of the law-breaker that he was drunk at the time he committed the crime.”
Alexander Alekhine
When your house is on fire, you can’t be bothered with the neighbors. Or, as we say in chess, if your King is under attack, don’t worry about losing a pawn on the queenside.
Garry Kasparov
In one game it is too difficult to play both for win and draw simultaneously.
Mihail Tal 1969
Tactics is what you do when there is something to do; strategy is what you do when there is nothing to do.
Savielly Tartakower
In addition to talent, Magnus has the health of a racehorse and a powerful nervous system.
Vladimir Kramnik 2015