Colossus Chess 2∙0 (Commodore 64)

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Colossus Chess 2∙0 is a computer program that allows you to play the computer at a game of chess. The rules of chess are followed and includes the moves 'Castling' and 'En-passent'. As well as a normal game there are various options that can be chosen to further enhance the experience of the program. You can play as either white or black as well as just allow the computer to play itself. The whole board is shown on the screen viewed from above but there is another screen that shows you all the moves that have been played as well as various stats on how the computer is thinking. The board can be set up to allow you to place the pieces in various places as well as play various check positions to solve. A tournament mode can be set up by adjusting the time allowed for each move to be played.


Colossus Chess 2∙0 Commodore 64 Game in progress
Colossus Chess 2∙0 Commodore 64 The moves played and the computers stats
Colossus Chess 2∙0 Commodore 64 Title Screen
Colossus Chess 2∙0 Commodore 64 Your move?

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Chess Programs

The game was played against 15 other computer programs on various platforms for 16 matches and beat them all. Here are the results:

White-Knight Mk11 - BBC Publications (BBC) 11-5
Superchess 3.0 - CP-Software (Spectrum) 12-4
Grandmaster - Audiogenic (CBM 64) 12-4
Cyrus IS Chess - Sinclair (Spectrum) 13-3
Spectrum Chess II - Artic (Spectrum) 14-2
Chess - Acornsoft (BBC) 16-0
Chess - Bug-Byte (BBC) 16-0
Chess - Computer Concepts (BBC) 16-0
Chess - Program Power (BBC) 16-0
Chess - Atari (Atari) 16-0
Chess - Oric (Oric) 16-0
Chess - Psion (Spectrum) 16-0
Master Chess - Mikro-Gen (Spectrum) 16-0
Sargon 2.0 - Hayden (Apple II) 16-0
ZX Chess - Artic (ZX81) 16-0

White-Knight was the 1983 Home Computer European Champion


  • Zzap!
    • May 1985 (Issue 1) - #31 'It's the Zzap! 64 Top 64!'

FatherJack (62754) added Colossus Chess 2∙0 (Commodore 64) on Nov 13, 2014