Chess Puzzle of the Week (123)

It’s always an exciting day at the Chess Palace when the latest issue of The Problemist arrives through my letterbox.

The March 2021 Supplement includes an article by David Shire features some endgame studies by the great Leonid Kubbel which he considers suitable for introducing competitive players to the art of chess composition.

Here the good news is that you have an extra knight, but the bad news is that the black b-pawn is about to promote.

It’s White to play and draw, then. Your move!