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Subject: Emulating Playing Styles In A Chess Engine

Author: Eric Liddiard

Date: 05:58:03 03/21/03


Hello – can you help me.

I am a (very) novice chess player and a newbee to computer chess.

As part of a psychological based project I wish to simulate the following
behaviour in a chess engine (my chosen engine is Beowulf):

Open / Extravert i.e. Creative, original, imaginative, untraditional, active,
optimistic.

The Open/Extravert player may be creative in their chess play, original in their
approach to particular positions, perhaps unconventional in that they deviate
from the classic styles or strategies of play. They may employ aggressive
tactics and be classed as a “hot headed” opponent. They could be related to
particular aspects tactical play – perhaps employing seemingly unorthodox
sacrifices to gain positional advantage etc.


Conscientious / Neurotic i.e. Organised, disciplined, perhaps insecure.

The Conscientious/Neurotic player may be a strategist at heart, employing
methodical, positional play into their game. While highly organised, certain
aspects of their character may see them playing in an over-cautious fashion with
key chess piece protection becoming a priority – with highly defensive tactics
and a reluctance not to expose certain pieces.



I have only a general appreciation of what tactics an aggressive player may
employ i.e.

Play actively with pawns e.g. opposite castled kings, pawn assault.

If well developed to mount an assault, perhaps sacrifice pieces to expose
opponents king.

If there is a winning material advantage, trade-off whenever possible -
sacrifice to remove risks (i.e. throw away a minor to get opponents last passed
pawn).

When losing, keep lining up assaults on the king, ignore defence mostly - hope
for opponent to miss something. Arrange pawn structures to block opponents
fianchettoed bishops etc.



Can anyone please suggest more tactics like this I could use to try and emulate
these 2 different chess behaviours. I am not looking to reproduce a grandmaster
– only trying to prove that a chess engine can play in a particular style of
play.

I would be extremely helpful for any advice you could offer – the more detailed
the better. Please feel free to post or email me in response.

Many thanks.

Eric.

ericliddiard@hotmail.com



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