The answer is R-h3 check. The black king is forced to take the white pawn on e4, leaving white to play R-h4 check, winning black’s rook, and the game. Congratulations if you found the answer! Look for another challenging chess endgame puzzle in my next post.

Here is another chess endgame puzzle where we’re looking for the winning move.  It’s white to play. See if you can find the correct move. The answer will appear in my next post.

The two most obvious moves for white are either Rxf6 check or exf check. The important difference is where the black king ends up. Rxf6 check followed by …Kxf6, then exf followed by …Kxf5 leaves the black king on f5, and white with a draw and virtually no hope for a win.
But, if you reverse the sequence and [...]

Here is a online chess endgame puzzle that came from a game played by one of my students. It focuses on finding the winning move instead of a checkmate like the previous chess puzzles.
It’s white to move and there are a few obvious continuations. A couple of them lead to draws, but one leads to [...]

Here are the answers to the online chess puzzles numbers 26-28. I hope you found the solutions to all of them!
Chess Puzzle #26. The answer is simply, e4.
Chess Puzzle #27. The answer is N-h6, check. The black king is forced to move to f8. White then plays Nxe6 for checkmate.
Chess Puzzle #28. The answer is Qxc6. Black is [...]