The Spacious Mind
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Commodore 64 Emu Colossus Chess 4.0 (1985)

Written by Martin P. Briant, COLOSSUS CHESS 4.0 was published in 1985. The game look and feel remains the same as its predecessor COLOSSUS 2.0, but the chess engine is much improved and plays a lot stronger. There are plenty of configuration options in this game. COLOSSUS 4.0 is probably the strongest chess program ever published for the Commodore 64/128. Most chess players will find COLOSSUS CHESS 4.0 a tough and challenging opponent.

The PC direction keys can be used to play COLOSSUS CHESS 4.0. SHIFT + T = Level Mode, there are 6 Modes. Mode 2 = Time per move mode. Mode 1 = Tournament Mode. Holding down the SHIFT key and pressing the letter O, orientates the chess board. SHIFT plus letter N = New Game. Pressing SPACE BAR at any time takes you to the Analysis Screen.

You can find OPTIONS by pressing all the keys and making a note of the functions.  Most of the functions are hidden therefore also try to press all the keys while holding down the TAB (= RESTORE key on a Commodore 64/128) key, the CONTROL key or the SHIFT key.

You can read about the original COLOSSUS 4.0 here:

Click to go to original Colossus Chess 4.0 (1985)

 

The approximate rating for COLOSSUS CHESS 4.0 is 1650 - 1750 ELO (1850 - 1950 USCF)

Information

Commodore 64 Emulator Colossus Chess 4.0 (1985)

Technical Specifications

Commodore 64  Emulator Colossus Chess 4.0 (1985)

Manufacturer

Programmer

CDS Software Ltd.

Martin P. Bryant

Year:

1985

File Type:

D64

Download:

Colossus 4.0

Language:

6502 Assembly

File Size:

171 KB

Media:

C64 Emulator

Processor Type

Speed

ROM

RAM

6502

8 Bit

1.023 MHz (NTSC)

20 KB

64 KB

Move Entry

Options Selection

Playing Levels

Opening Library

Take Back Moves

Keyboard

Keyboard

6 Modes Unlimited

> 3000

Yes

Position Setup/Ver.

Display Move Info/Analysis

Solve Mate

Save Game / Ponder

Hint/ Teach Mode

Yes / Yes

Yes / Yes

Yes

Yes / Yes

Yes / Yes

Active Level:

30 S or 60/30

Tournament Level:

3 Min or 40/20

Infinite Level:9

Mode 5

Game Information

The Spacious Mind

Active Games (30s:1 or 60/30 etc.)

Tournament Games (180s:1 or 40/2 hrs)

#

W

D

L

%

ELO

#

W

D

L

%

ELO

38

21

7

10

64.47

1676

n/a

n/a

n/a

n/a

n/a

n/a

Colossus Chess 4.0 - Loading Screen

Colossus Chess 4.0 - Level Mode 1

Commodore 64  Emulator Colossus Chess 4.0 (1985)  Loading Screen

Commodore 64  Emulator Colossus Chess 4.0 (1985)  Level Mode 1

Colossus Chess 4.0 - Game Screen

Colossus Chess 4.0 - Analysis Screen (SPACE BAR)

Commodore 64  Emulator Colossus Chess 4.0 (1985)  Game Screen

Commodore 64  Emulator Colossus Chess 4.0 (1985)  Analysis Screen (SPACE BAR)

The Spacious-Mind Active game results (shown above) are from games played with a Commodore 64 or 128. Playing COLOSSUS CHESS 4.0 with an Emulator should play exactly the same as using a Commodore 64 or 128.

Chess Game Examples

The game example below originates from the C64 Open Championship and was played with a real Commodore 64 or 128 and original COLOSSUS CHESS 4.0 software, however the Emulator Software should play exactly as the original game.

 
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