Join our Discord to chat with fellow friendly gamers and our knowledgeable contributors!

Not an American user?


Colossus Chess 4 is a computer chess game. The game is customizable and you can monitor all your previous moves. It is even possible to see the computer thinking ahead and predicting your moves. The computer is hard to beat, and would win matches against other computer chess programs of the day. It can achieve the king-bishop-knight mate, which is the most difficult checkmate manuver possible in Chess.


Colossus Chess 4 Apple II The board
Colossus Chess 4 Commodore 64 title version
Colossus Chess 4 ZX Spectrum Game start
Colossus Chess 4 Amstrad PCW Game start

Promo Images

There are no promo images for this game

Alternate Titles

  • "Colossus 4.0" -- In-game title

User Reviews

There are no reviews for this game.

Critic Reviews

Your Sinclair ZX Spectrum Oct, 1986 8 out of 10 80
Computer Gamer BBC Micro Feb, 1987 80 out of 100 80
Computer Gamer ZX Spectrum Sep, 1986 14 out of 20 70


There are currently no topics for this game.



  • Commodore Format
    • July 1993 (Issue 34) - Modern Classics: Strategy

Contributed to by Trypticon (11035), Rola (8304), Kabushi (220180), Martin Smith (66862) and koffiepad (10530)