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- - By walden (**) Date 2008-08-11 02:01 Edited 2008-08-11 02:36
Hello was wondering how I get the 64 bit Rybka for my computer as I don't see it on what I have paid for it shows some 32 Bit stuff where is the rest of the order??
anyone help me?
also can someone tell me why it takes 11.32 min to reach depth 22 and in Rybka 2.3.2 in the same position it onlt takes 3.45 min??
Parent - - By Uri Blass (*****) Date 2008-08-11 03:53
For your second question the reason is probably that rybka3 has less counterproductive pruning than rybka2.3.2a

Based on my experience Rybka2.3.2a simply prunes too much and it may need 18 plies to see  some tactics when after the first move of the combination she needs only 11 plies to see the problem.

Hopefully it happens less with Rybka3 and Rybka3 has better rules when not to prune.

Parent - By lkaufman (*****) Date 2008-08-11 04:04
Also Rybka 3 just runs almost twice as slow due to so much more chess knowledge.
Parent - By Dragon Mist (****) Date 2008-08-11 06:51
Files named "Rybka 3.exe" are 64-bit. Files named "Rybka 3 32-bit.exe" are 32-bit.
Parent - By Vasik Rajlich (Silver) Date 2008-08-11 20:31
This is normal, Rybka 3 has a different kind of search.

Parent - By Roland Rösler (****) Date 2008-08-11 22:36
In the naming of the new Rybka 3 products, you can see what Rybka team sees as standard: it´s the x64 multiprocessor version named Rybka 3.
The w32 version is named Rybka 3 32-bit and the one core version is named Rybka 3 1-cpu.

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