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HIARCS 5 (0.5) Source code

This is the source code of HIARCS 5 (known as version 0.5 to avoid confusion with commercial HIARCS versions of the 1990s).

This source code dates from March 1983 and is the source code of HIARCS 0.5 as submitted as an A Level project at Welwyn Garden City College. The source is in the Basic+ language and ran on a PDP11/70 located in Hatfield Polytechnic Campus, Hatfield.

The source is on a dot matrix print out and the pages have been scanned in and are presented here as jpeg images. Click on the image you want to see. The b listings are a landscape view of the listing page where some of the lines were too long.

Resurrect HIARCS 0.5 and win a Prize!

I must admit to be intrigued to know if some one could get this source running again on PC or Mac. There are a number of prizes on offer for anyone who can successfully get this oldie chess program running again!  You can read more about the Resurrect HIARCS prize competition here.

If you need clarification on part of the listing because the scanned image is not clear, please email Mark Uniacke on .

Source code by images are below...

           

Listing 0      Listing 0b     Listing 1     Listing 2

              

 Listing 3     Listing 4     Listing 5      Listing 6

           

Listing 7     Listing 8     Listing 9      Listing 10

 

Source is copyright (c) 1980-2007 Mark Uniacke. All rights reserved.

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"It is exhilarating to play [HIARCS], more, a lot more than with any other strong program. It is a real pleasure to be defeated that way. Fast, lightning, unexpected death." - Fernando Villegas, April 2007
"HIARCS is much better positionally than Deep Blue." - Garry Kasparov 1997 (after game 5 of the rematch)
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Copyright © 2007 Applied Computer Concepts Ltd. All rights reserved. Last modified: Tuesday May 20, 2008.