Chess Master is a free iPhone game developed by Amr EL-Rafie. It offers a powerful AI engine with 80 difficulty levels, making it suitable for players of all skill levels. Whether you're a beginner or a seasoned chess player, this game will put your strategic thinking to the test.

One of the standout features of Chess Master is its ability to support two players, allowing you to play against your friends and compete to see who has the better skills. This adds a social element to the game and makes it even more enjoyable.

For those looking to become true chess masters, the game offers a recommendation to defeat each level twice in a row before moving on to the next level. This advice can help you improve your skills and progress through the game.

Chess Master also includes impressive features such as sound effects, 6 board themes, 6 chess sets, board rotation, undo/redo functionality, and the ability to save and load games. It is optimized for iPhone 5 and newer iPad models, ensuring a smooth and visually appealing experience.

It's important to note that Chess Master does have non-obstructive advertisements, but they do not interfere with gameplay.

Overall, Chess Master is a must-have game for chess fans. With its powerful AI engine, multiple difficulty levels, and the ability to play against friends, it provides a challenging and enjoyable chess experience.