This was last week’s puzzle.

White wins by ignoring the threat to capture the rook with check:

1. Rh4! Qxc1+ 2. Kh2 Nh7 and now not the obvious Qxh7+ but instead 3. f5! to clear the sixth rank. Now 3… gxf5 4. Bxf5 exf5 5. Qxh7+ Kf8 6. Qh6+ Ke7 7. Qd6# or 3… exf5 4. Qxh7+ Kf8 5. Qh8+ Ke7 6. Qf6+ Kd7 7. Qd6#

You only pass the test if you found 3. f5!!

If I don’t have anything to hand I can just sit and watch my Twitter feed. It won’t be long before someone posts an interesting puzzle.

That’s what I did this week, and here’s what came up.

White to play and win. Not difficult: you only have to find one move, but it’s not the first. Thanks to Roger Emerson for informing me it’s based on a study by Kubbel (1st Prize 64 Magazine 1925)