Stockfish Chess

Strong free chess program.
Features:

* Free, but much stronger than most commercial iPhone chess apps!

* Plays aggressive and dynamic chess, and is not afraid of sacrificing material for initiative or attacking chances.

* Adjustable playing strength.

* Choose between several styles of play: "Passive", "Solid", "Active", "Aggressive" or "Suicidal".

* Big, deep and varied opening book. Choose between three levels of book variety.

* Displays book moves and engine analysis, including search depth, evaluations and main lines.

* Allows you to easily set up board positions.

* Able to think during the opponent's time, for maximum playing strength (disabled by default, in order to save battery life).

* Supports saving and loading games to PGN files, sending games by e-mail, and transferring PGN files between your device and your computer.

* Play against the machine, or play both sides, with or without book moves and engine analysis displayed on the screen.

* Choose from nine piece sets and eight color schemes.

* Complete source code available under the GNU General Public License.

Need help? Use our Stockfish Chess Walkthrough page or sign up and make your contribution today.

What's new in version 2.13.0

This app has been updated by Apple to use the latest Apple signing certificate. Fixed a bug that caused the target area for the toolbar buttons to be shifted a few pixels up, making it difficult for some users to hit the buttons reliably. Fixed broken move lists (not the one below the board, but the one that appears after tapping "Move" and "Move List" -- does anybody use this one?) on the new larger iPhones.

About Stockfish Chess

Stockfish Chess is a free-to-play board game developed by Tord Romstad, and is available for download on both iOS and Android devices. The app is compatible with iOS 7.0 or later on the following devices: iPhone 11 Pro, X, Xs, SE, iPhone 8, 7, 6, iPad Pro and iPad Mini.

Click the button or scan the QR code below to download Stockfish Chess for iOS. Check out our downloads section to download Stockfish Chess for android and other platforms.

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