Author: Matthias Hartwich
Date: 01:29:47 07/02/01
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chess 0.5 was part of 4 articles in BYTE dec 78 to mar 79. It was written in standard pascal and had several errors. It was large program for that time so there were no hashtables. The evaluation was only rudimentary. I rewrote the program in Turbo-C for Atari ST (Motorola 68000 Processor with 8Mhz) and added hashtables. The program reached 100-150 nodes per second, that was a third of Gnuchess 4. I surely did not find all the errors so I decided to stop any effords on it. I think that Dieter Steinwender (coeditor of the german computer chess magazine CSS) used chess 0.5 as starting point for his diploma thesis in 1984. He added a pattern matching evaluation for queen's pawn game and called the program chess 0.9. Matthias
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