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Subject: Re: Hydra's opening book max. 10moves

Author: Roger D Davis

Date: 17:25:44 05/31/05

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On May 31, 2005 at 12:33:57, Dom Leste wrote:

>comments by Chilly at chessgames.com
>
>"Opening preperation is certainly a critical point. We use a very short opening
>book. Maximum 10 moves, sound main variations. Then we leave Hydra from the
>lash. I think it is difficult to find within the first 10 moves in
>main-variations killing-novelties. It is possible to find something afterwards.
>But Hydra is difficult to predict and it has already refuted some lines. Testing
>the novelty with Fritz is no real guaranntee. If the GM deviates quite early
>from theory, he has less time per move and has to do much more calculations."

Maybe they analyze to about 4 more plies out using Hydra on long term analysis
to extend their own book. It's consistent with their philosophy, at least.



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