Computer Chess Club Archives




Subject: 'Convenient' ChessBase bug handicapping UCI engines

Author: Gian-Carlo Pascutto

Date: 01:03:10 09/29/03

It seems that the ChessBase UCI support contains a rather 'convenient' bug
that severely handicaps UCI engines when playing tournaments under the
ChessBase interface:

An extract from Deep Sjeng's logs:

First game:

< setoption name Hash value 128
Allocated 4194304 hash entries, totalling 134217728 bytes, in shared memory.

All subsequent games:

< setoption name Hash value 1
Allocated 32768 hash entries, totalling 1048576 bytes, in shared memory.

So, they basically disable hashing for UCI engines after the first game.


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