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SmallFish Chess for Stockfish

By Ted Wong

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SmallFish is an open source project based on the Stockfish chess engine. It uses the latest Stockfish chess engine (Stockfish 8), rated about Elo 3300+ and is one of the strongest chess apps.

The app derives directly from the Stockfish iOS app and borrow code from SmallChess (another top chess app) to create stunning chess playing experience for absolutely no cost! The strongest chess app is free, something very hard to believe but it's true.

SmallFish offers you three distinct ways to improve your game. You can review your game with comments, or study how Stockfish thinks, or track your progress. You can also control the internal engine parameters.

The interface is an example of a "flatten" design - dropping of heavy textures and the addition of several new simple user interface elements.

SmallFish is simply amazing.

What's New in Version 10.5.3

Fixed a bug: 0-0+ and 0-0-0+ in a PGN game should no longer crash the app.

This update also reduces the possibility of a crash in Syzygy 6-men endgames. Running Syzygy 6-men requires very significant system resources, something not all iPhones/iPads can handle. Your device should have at least 2GB RAM, and you should not run too many 6-men endgames. Although mobile devices have become noticeably better, we are still a few years away from perfectly utilizing the tablebase technology.

If you have any issues with tablebase or the app, please email


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Customer Reviews


I love the idea of offering multiple good move options in advice mode when show arrows is activated in options. Stockfish is a strong chess engine!

SmallFish Chess for Stockfish
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This app is designed for both iPhone and iPad
  • Free
  • Category: Games
  • Updated:
  • Version: 10.5.3
  • Size: 72.1 MB
  • Language: English
  • Seller:

Compatibility: Requires iOS 10.0 or later. Compatible with iPhone, iPad, and iPod touch.

Customer Ratings

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