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Subject: A simple opening trick

Author: Ricardo Gibert

Date: 10:43:33 10/05/03


There was a discussion about the value of playing oddball lines by amateur
programs to avoid the effective book lines of the stronger programs i.e.
http://www.talkchess.com/forums/1/message.html?319397. I thought about this a
little and a trick occurred to me that should work on most programs e.g.
Ruffian.

The easiest way to explain it is to jump into some examples:
   1. e3 e5 2. e4
   1. c3 e5 2. c4
   1. d3 d5 2. d4
   1. d3 e5 2. d4

What is this? Isn't White just dumping a tempo? Yes, but the idea is for white
to get the computer opponent out of book while retaining the advantage of
hundreds of years of opening theory for your own program!

It can be carried out with 2 possible motives in mind:
1- Reach a playable middlegame with a huge time advantage on the clock.
2- Play a sharp gambit defense in reverse. This is the idea of 1.d3 e5 2. d4
i.e. 2...exd4 3. Nf3

I would assume somebody has thought of this before and that some engines are
able to handle this easily. In fact, an engine that can't I would say has a bug
IMO. Which engines are able to cope with this trick effectively?



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