# Turing’s Machine Lite

> Play the historic Turing chess computer program with modern enhancements. (iPhone/iPad app by DBRG Ltd..)

- Source: https://appshunter.io/ios/app/turings-machine-lite/id1114457564 (this page in markdown: same URL + `.md`)
- Developer: [DBRG Ltd.](https://appshunter.io/developer/964613425)
- Category: Games, Entertainment, Board, Strategy
- Price: Free
- Rating: 4.50/5 from 4 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 8.0 · 78 MB
- Languages: American English
- Released: 2016-05-19
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/turings-machine-lite/id1114457564/reviews.md

## What is Turing’s Machine Lite?

Can you beat Turing’s Machine?

NOTE: This is the ‘lite’ version of Turing’s Machine. The full version contains many more difficulty levels, puzzles, pieces and boards.

In 1947, Alan Turing and David Champernowne created the world’s first chess playing computer program, which they named “TuroChamp”. The program was devised with pencil and paper, the calculations being performed manually by Turing and Champernowne themselves - each move would take them half an hour or more to calculate.

This app includes an implementation of the original “TuroChamp”, so you can play the original version, as conceived in 1947, without having to carry out all those tedious pencil and paper calculations. We’ve also added deeper search and a more modern version of the engine, so you can play a stronger version of Turing’s machine - up to around 2000 Elo. Finally, we’ve added puzzles, practice levels and various two-player modes, so that you can use your device as a virtual chessboard.

TuroChamp was the very first chess computer program and it still holds up well despite its idiosynchratic playing style - a style entirely appropriate to the incisive, determined and eccentrically humorous character of its creators. Perhaps more significantly, it represents the only A.I. left to us by the father of Artificial Intelligence.

Other features include:

- Support for all skill levels from total novice to expert (2000 Elo).
- Supports all orientations, so you can make full use of your iPad Smart Case or stand.
- Supports iOS multitasking, so you can follow along with videos/ebooks.
- Focus mode, to hide the UI so you can focus on the board.
- Two player mode over BlueTooth / Lan.
- Tabletop mode so you can use your device as a virtual chessboard.
- Puzzles and practice levels, so you can practice your endgames or play some interesting challenge levels.
- Mini-tournament mode - a six-game mini tournament mode for the more serious player.
- Various different boards, pieces and graphical options.
- Elo rating estimation from your game results.

## Key features

- Original TuroChamp implementation
- Modern engine up to 2000 Elo
- Puzzles and practice levels
- Two-player modes (Bluetooth/LAN)
- Virtual chessboard (Tabletop mode)
- Mini-tournament mode
- Elo rating estimation

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/turings-machine-lite/id1114457564/reviews.md

### 4/5 — Works!

*2024-05-28*

Works — well. I can beat it sometimes.
The chess mode is fantastic!
The Temple of doom is a killer, but it also gets confused and hangs occasionally, and I have to unload the app entirely and reload it from the App Store. Something is fishy.

### 4/5 — Works!

*2024-05-27*

Works — well.  I can beat it sometimes.

## Frequently asked questions about Turing’s Machine Lite

### What is Turing's Machine Lite?

Turing's Machine Lite is a free mobile game that implements the world's first chess playing computer program, "TuroChamp," created by Alan Turing and David Champernowne in 1947. It offers both the original version and a stronger, modern engine.

### Does Turing's Machine Lite have ads?

No, Turing's Machine Lite is completely ad-free, allowing for an uninterrupted gaming experience. This is consistent with its free monetization model.

### What are the different game modes in Turing's Machine Lite?

Turing's Machine Lite offers various modes including playing against the classic or modern AI engine, puzzles, practice levels, a six-game mini-tournament, and two-player modes over Bluetooth or LAN.

### Can I play Turing's Machine Lite offline?

Yes, Turing's Machine Lite supports offline play, allowing you to enjoy the chess game and its features without an internet connection.

### What is the Elo rating of the engine in Turing's Machine Lite?

The app provides an implementation of the original "TuroChamp" and a more modern engine that plays at a strength of up to approximately 2000 Elo, catering to a wide range of skill levels.

### Is Turing's Machine Lite suitable for beginners?

Yes, Turing's Machine Lite supports all skill levels, from total novices to experts. The inclusion of puzzles and practice levels also makes it a good tool for learning and improving.

### What devices is Turing's Machine Lite available on?

Turing's Machine Lite is available on iPhone, iPad, and iPod touch devices. It also supports iOS multitasking for enhanced usability.

### How often is Turing's Machine Lite updated?

The latest version of Turing's Machine Lite is 1.9.1, which was last updated on November 21, 2017. While not frequently updated recently, it offers a stable experience of the classic chess program.

## Version history (last 3 releases)

### 1.9.1 — 2017-11-21

This app has been updated by Apple to display the Apple Watch app icon.

- Bugfixes
- Performance improvements
- Modifications to move takeback logic

### 1.7 — 2016-07-12

-Bugfixes (including a fullscreen display bug, some z-order and animation issues).
-Performance improvements.

### 1.5 — 2016-05-19

No release notes.

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## More apps by DBRG Ltd.

- [Primus Chess](https://appshunter.io/ios/app/primus-chess/id1059380269)
- [Primus Chess Lite](https://appshunter.io/ios/app/primus-chess-lite/id1108509545)

All apps by DBRG Ltd.: https://appshunter.io/developer/964613425

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*