Author: Albert Silver
Date: 06:30:45 01/29/06
Go up one level in this thread
On January 29, 2006 at 08:32:13, Vasik Rajlich wrote:
>On January 28, 2006 at 16:50:28, Albert Silver wrote:
>
>>On January 28, 2006 at 14:06:00, M Hurd wrote:
>>
>>>It seems that 13 b's search has been speeded up. On some test positions it seems
>>>to get through the plys slightly quicker than previous versions and will
>>>sometimes find the solution 1 ply earlier. For the testing of positions with
>>>previous versions of Rybka the search soundness setting Ultrasolid appeared from
>>>limited testing to be better than solid, however with 13b solid seems better,
>>>what do others here think ? Whether this is true with games only time will tell.
>>>
>
>I am 99.9% sure that ultrasolid is either better than solid in all of the Betas,
>or worse than solid in all of the Betas.
Perhaps a 4th opponent is necessary. In my testing, UltraSolid scores a bit
better with Fritz 9, about the same against Hiarcs 10, and worse against Fruit
2.2. Worse enough that it kills whatever it gains from Fritz 9 and then some, so
that after the 150 games of the 3 matches it actually does a fraction worse.
This has happened twice though. Maybe I'll try one of its most difficult
opponents in my previous testing: Gambit Fruit 4bx, and see what happens.
Albert
>
>If things get any more complicated I'll need a few more neurons to handle
>everything :)
>
>Vas
>
>>>Its nice to see the score show a mate when one is found. Its also good to see
>>>the table bases being accessed in the display.
>>>
>>>Ah well, time to do some more testing......... :-)
>>>
>>>Regards
>>>
>>>Mike
>>
>>I forgot to post the results, but it scored less well against Fruit 2.2 using
>>UltraSolid in my 3m + 2s match. It's hard to determine whether the issue is
>>simply the higher chance of swings at such a fast time control (I have seen many
>>more at faster time controls than at slower ones), or whether US isn't really
>>better (maybe just as good only).
>>
>>I still want to test other parameters such as the Good Position and Bad
>>Position, as well as test other Improving Position settings.
>>
>> Albert
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