Our Apps

SmallFish

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SmallFish is a strong but free chess playing app. It is powered by the latest Stockfish chess engine (version 10). The engine has a rating of about Elo 3300+, and is considered one of the strongest chess apps.

The app is excellent for deep analysis of your games. You can review your games with comments, or study how the great engine thinks. Recommneded for learning, playing and self-improvements.

SmallFish (iOS 6)

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The same SmallFish app that was made years ago. Suitable for the older devices. If you don't have the latest iOS devices or would like to try the older Stockfish (version 5) engne, this app is outstanding for you. It's free!

SmallChess

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SmallChess is a high quality and brilliantly presented chess playing app for iOS. It's suitable for everyone: from beginners to the world champion. You'll improve your chess with a very strong chess engine. An ultimate chess master in your pocket!

This self-made chess engine will present you strong challenge. This app offfers unbelievably number of features; guess-you-move, training, design your chess board, cool chess panels. It's a free download, why you don't you give this highly entertainmenting app a try?

The SmallChess app is recommended for chess players at all levels who love this wonderful game. You will find it innovative and enjoyful. The engine in this is decent, but not great.

SmallChess Pro

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SmallChess Pro has an upgraded and much more advanced chess engine than SmallChess. It is our main product. You will find yourself struggling against this beast. This app offers advanced chess engine programming technqiues, not available elsewhere. The boost in strength will be very beneficial; including but not limited to improviing your chess, and analyzing your games.

This app is recommended for advanced or serious chess players.

Chess Mini

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Chess Mini is a simple but interesting chess playing app. It uses the world's smallest chess engine - Micro-Max, coded in less than 2000 characters and 133 lines of source code. The entire source code can be printed on a single A4 paper and has less words than a high-school assignment.

This simple chess engine has a decent chess rating of about 1800. It is definitely beatable by human expert players. But ... can you defeat this mini engine?

Encyclopedia of Opening

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A library of five volumes (A, B, C, D, E), the five main groups of the classification of openings, provides readers a comprehensive collection of modern opening theory.

Mega - Encyclopedia of Opening

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A library of five volumes (A, B, C, D, E), the five main groups of the classification of openings, provides readers a comprehensive collection of modern opening theory. The exclusive annotated database. Examples from over 500 games and analyses are included.

Syzygy Tablebase

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Syzygy Chess Tablebase is an optional chess app for SmallFish. Download this app to import 5-men tablebase files for your Stockfish engine. You can also import your own Syzygy files with iTunes. This app also work on it's own for Syzygy tablebase endgame queries.