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Subject: Strange result

Author: Andreas Stabel

Date: 23:37:00 03/31/04


I'm working in the Norwegian meteorological institute where we have a very
powerful multiprocessor / multimachine computer system to do weather
simulations. The system has been idle a couple of months now while new
models were developed, so I installed a chess program I have made and have now
been running it for seven weeks.

The system is just an attempt at analysing the initial position to try to
develop alternate openings to established theory, but it has a complete
chess engine with all 5-man EGTBs and most of the generated 6-man too.

I have been looking for an opportunity like this, so I have made my system
capable of distributing the search over multiple CPUs and machines and I
have tested the program extensively.

Today when I arrived at work the program had just stopped with a draw score !
I don't understand this - it had so far 1.e4 c5 as the best opening with a
0.37 advantage for white, but now it seem to have just stopped with score = 0.
The strange thing is that it has searched very deep and have hit the EGTBs a
lot - something which I wouldn't have thought possible. Perhaps the 20TB
hash table has been part of it.

Can anybody help me explain this ?
All suggestions will be appreciated.

Best regards
Andreas Stabel



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