Author: Komputer Korner
Date: 15:28:09 11/15/98
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On November 14, 1998 at 12:23:14, John Wentworth wrote: >Does anyone know where I could get source code for a chess program that was >written in VB? Thanks for any help. SCHACH AM PC. Ed parry wrote " Yep. A friend of mine found one written in german a while back and another converted to English for me. the authors are Chrilly Donniger (Nimzo commerical chess author) and Dieter Steinwelder. I thini tha latter is a Master+ chess player and may have helped with that aspect. C Donniger is well known in chess progeamming circles as a high end chess programmer. I think his commerical program Nimzo is in the GM range. - My friend told me he got it from a book written (or coverted to) English, but I could not locate ANY books by Donniger and/or Steinwelder at Amazon.com. The source is in VB/QB/PDS. I only recently got it cleaned up enough to run. The translator is not QB/VB fluent and some keywords were used (TO, FROM, FIELD, END) and had to be gloablly changed as well as all labels and variable with underscores. For the reord - I also got a version working in PowerBASIC v3.2, but it is consistently about twice as slow (NPS wise). MINIMAXE.BAS compiled with PDS seems to have a NPS speed on my system that equates with other freeware/shareware sources I have found. ie: 1200-2400 NPS on my 486/33 - 8 megs. I am not sure of the legalities of offering this source outright however. I intend on contacting Donniger and asking about it, and whether or not his book is available in English anywhere. This is NOT a run of the mill cruddy BASIC chess player. I was playing it head to head with Tom Kerrigans TSCP critter yesterday and they both played about the same. BOTH are 4 ply (with extensions) critters. Interestingly enough, I think that MINIMAXE.BAS (English version of MINIMAX.BAS) is more of a beginners targeted program - it uses simplier techniques such as offset move generation, and the move assement routines seem rather simple and basic. ie: So far, I have not detected much specific info. It DOES have a good amount of pawn assessment routines and I have noticed some redundancies re: black vs white assessments. ie: duplicate code blocks - one for black, the other for white Ed Parry - au606@lafn.org
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