Become a Grand Master with Mate in One Move online game! Whether you are a chess master or only an amateur, this unique collection of chess problems will absorb your spare time. Isn't it easy to checkmate in one move? Play this board game online and try it yourself! As you progress through 54 levels, finding the solution from the first try becomes more and more challenging. Your excellence brings you trophies, and you can improve your results replaying particular levels when you complete them all.