No more castling problems, but I was intrigued with G.F. Anderson’s work with the April 15th puzzle. Here’s one he did with C.C. Palmer. A mate in two.

In continuing our theme, here’s a mate in two.

If you did Friday’s puzzle, you have a hint on today’s solution. But don’t forget to do your income tax first! It’s a mate in four.

Many of you will recognize this Sam Loyd classic. I’m having it do an encore bow so as to give you a hint as to next week’s puzzles.

A dazzling display by a minister during the Major Open of the British Championship in 1929.

A very minimalist position with a charming key. It’s a mate in two.