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Subject: GM Preparation for Matches Against Chess Computer Programs

Author: Bob Durrett

Date: 11:55:24 11/08/00


Assume that a GM has developed and memorized a viable opening repertoire
for use against some specific chess program, such as Fritz on a PC.  Assume
also that the GM has reached a position at the end of one of his/her repertoire
lines and is trying to prepare for an upcoming match with that computer program.
 Finally, assume also that the GM's home computer is exactly half as fast as the
computer he/she will face in the upcoming match.  Then, is there any reason why
that GM cannot experiment with alternatives on the
home computer until a forced win is found [from that position]?  It might be
necessary to let the home computer think twice as long as the computer
will in the match, but that should not be a significant restriction when doing
home preparation.  This question boils down to the technical issue of whether or
not the same moves would be found on a slower computer if the amount of time
allowed was increased to compensate for the slower speed of the computer.  Also,
this question depends on the issue of whether or not chess computer programs,
like Fritz, are deterministic during play [after exiting the program's opening
book] versus the deliberate introduction of some form of randomness by the
programmers.  Finally, it is possible that the GM might prepare for a computer
move which is better than the move the computer might actually play, due to
allowing too much time for the move during home analysis.  Can anybody shed some
light on these technical issues?  The answers might help everybody to understand
the extent to which GMs [as well as the rest of us] can prepare for matches
against computers.



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