An idle chess buddy that sits in the corner of your screen Rather than letting your chess skills dull, try MiniMate. You'll be able to hone your chess skills all while still being productive. With countless puzzles, and a wide range of difficulty, you will have an endless amount of practice at your disposal. Get reminded every 5 minutes to complete a new puzzle. Keeping your puzzle skills fresh Select puzzle difficulty and play thousands of puzzles ranging from easy to hard.