Black and White

khanyan chess puzzle

Alexey Khanyan devised this “no-brainer” in 2008. Black is in check. His only legal response is to interpose one of his knights, which then checks White, who must capture the knight, and so on. The whole ensuing 22-ply bloodbath unfolds mechanically, always reaching the same conclusion.

Via Tim Krabbé’s chess diary. Krabbé writes, “As it is a no-brainer, I feel free not to give the moves.” See The Sure Thing.