The latest issue of CHESS includes an entertaining article on the endgame studies of Vladimir Korolkov. In this example he teamed up with the great great Alexey Troitzky to win a first prize.

As always in endgame studies, there’s good news and bad news. The good news is that White has a large material advantage, with two pawns about to promote. The bad news is that his king is stuck in a box and threatened with immediate mate.

So how does White force a win? Come along to the Roebuck (the one in Hampton Hill, not the one in Richmond!) on Thursday and show me your solution!