About Chess Mate Puzzle GameChess Mate Puzzle is a timed 50-stage checkmate puzzle. Select the appropriate pieces and move them to the correct positions to put your opponent in checkmate as fast as you can. If you get stuck you can use the suggestion button in the lower right. This is a JavaScript web application which uses cross-platform mobile-friendly HTML. All modern web browsers like Microsoft Edge, Apple Safari, Google Chrome, Mozilla Firefox and Opera should support it. This game works on just about any type of computing device including Microsoft Windows desktop computers, Apple OSX Mac computers, iOS powered tablets and phones like the iPad and iPhone, laptops like the Google Chromebook, and the many types of mobile phones from manufacturers like Samsung which are powered by Google Android.