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Subject: Rebel 10's tactical blindness....

Author: Mark Young

Date: 17:59:35 05/22/99


In the game played today with GM Rohde's we have another example of Rebel 10's
tactical blindness with its 26th move f4. This is just the latest example of
Rebel 10's tendancy to miss tactics that other programs understand with ease. I
understand that all programs miss some tactics from time to time, but Rebel 10's
frequency of tactical blindness is perplexing to me. It misses stuff that other
programs see in seconds, even after playing a blunder its evaluation my not drop
for many moves before understanding the danger.

In the latest example I gave the position to Rebel 9, it had no problem seeing
that both 26. f4 and Bxb7 lose quickly and playing the correct 26. Bg2 as other
programs play.

On the other hand even after the move 26 f4, Rebel 10 still think it has an
advantage for almost 4 mins, before seeing the error of 26. f4.

Is this tactical blindness a bug in Rebel 10, or a justifiable design choice to
let rebel strengthen other areas of its play?



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