Author: George Sobala
Date: 00:06:29 03/09/03
Someone posted a request a few weeks ago - he wanted an engine that would make unsound sacrifices (like a bad Tal I suppose) that would challenge a mid-rated human player. Of course, the problem with any decent engine is that if it sacs something, you know you've lost! Well I've managed to warp a Deep Sjeng personality in this direction quite successfully. Attacks the king wildly, chucks pieces and pawns left right and centre but is hard to beat (at Blitz) for a player rated under ICC 2000. Gets annihalated by simple chess engines - eg mscp (ICC rating 1700 or so). Now running as "redshift" on ICC. Here is the personality file. Not exactly rocket science to create! By the way - beware of a bug - the Personality Editor that comes with Deep Sjeng doesn't save the "style" option to the file. Just use a text editor. ======================================================================= # Deep Sjeng 1.0 personality style=offensive pawn=70 bishop=100 knight=100 rook=100 queen=70 bishop pair=100 mobility=400 attraction=400 pawnstructure=35 passed pawns=150 kingsafety=400 piece placement=400 maximum depth=10 strength=100 selectivity=2 extra tactics=True limit extensions=False lazy evaluation=True futility pruning=True forward pruning=True singular extensions=True nullmove=dynamic tactical search=always =======================================================================
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