Author: Christophe Theron
Date: 10:46:02 04/23/01
Go up one level in this thread
On April 23, 2001 at 02:43:23, Uri Blass wrote:
>On April 23, 2001 at 02:17:26, Tanya Deborah wrote:
>
>>On April 22, 2001 at 12:29:34, Uri Blass wrote:
>>
>>>Tiger14(depth 3)-Deep Fritz(depth 3) 16.5-3.5
>>>Tiger14(depth 4)-Deep Fritz(depth 4) 7.5-12.5
>>>Tiger14(depth 5)-Deep Fritz(depth 5) 13-7
>>>Tiger14(depth 6)-Deep Fritz(depth 6) 14-6
>>>Tiger14(depth 7)-Deep Fritz(depth 7) 13.5-6.5
>>>Tiger14(depth 8)-Deep Fritz(depth 8) 10.5-9.5
>>>Tiger14(depth 9)-Deep Fritz(depth 9) 14-6
>>>Tiger14(depth 10)-Deep Fritz(depth 10) 9.5-10.5
>>>
>>>Tiger14(depth 4)-Deep Fritz(depth 3) 17.5-2.5
>>>Tiger14(depth 5)-Deep Fritz(depth 4) 19-1
>>>Tiger14(depth 6)-Deep Fritz(depth 5) 18-2
>>>Tiger14(depth 7)-Deep Fritz(depth 6) 15-5
>>>
>>>Tiger14(depth 3)-Deep Fritz(depth 4) 6-14
>>>
>>>Tiger14(depth 4)-Deep Fritz(depth 5) 8-12(this result should be 12.5-7.5 but
>>>deep fritz failed to mate because of having only part of the tablebases and the
>>>engines agreed to a draw in a position that the evaluation was mate against
>>>tiger).
>>>
>>>Tiger14(depth 5)-Deep Fritz(depth 6) 7-13
>>>Tiger14(depth 6)-Deep Fritz(depth 7) 8-12
>>>Tiger14(depth 7)-Deep Fritz(depth 8) 7-13
>>>
>>>The advantage of one ply seems to be very significant in the nunn match and you
>>>can see that the side that searched deeper won in all the matches.
>>>
>>>Deep Fritz at depth X seems to be 100 about elo better than Tiger at depth X-1
>>>when Tiger14 at depth X seems to be more than 200 elo better than Tiger14.
>>>
>>>It means that at small depthes 1 ply is probably worth at least 150 elo rating
>>>for the nunn match.
>>>There is of course a significant statistical error and we need more games.
>>>
>>>Uri
>>
>>Very interesting Uri!
>
>Here are more results
>Tiger14(depth 8)-Deep Fritz(depth 7) 14-6
>Deep Fritz(depth 9)-Tiger14(depth 8) 12.5-7.5
>Tiger14(depth 9)-Deep Fritz(depth 8) 8.5-1.5(this match was not finished because
>I stopped it in the middle)
>
>>
>>But how did you make that Fritz move when it is on depth4 or 5 ??
>>I believe that many of this games (at depth 3,4,or5) take only a few seconds.
>>Is this right?
>
>Correct games at these depthes takes only few seconds so I could finish the nunn
>match at small depthes in few minutes.
>
>I have some more results at small depthes(this time of Gambittiger2 against Deep
>Fritz
>
>Gambit2(depth 3)-Deep Fritz(depth 3) 8.5-11.5
>Gambit2(depth 4)-Deep Fritz(depth 4) 10.5-9.5
>Gambit2(depth 5)-Deep Fritz(depth 5) 13-7
>Gambit2(depth 6)-Deep Fritz(depth 6) 12-8
>
>Gambit2(depth 3)-Deep Fritz(depth 4) 4.5-15.5
>Gambit2(depth 4)-Deep Fritz(depth 3) 16.5-3.5
>Gambit2(depth 4)-Deep Fritz(depth 5) 9.5-10.5
>Gambit2(depth 5)-Deep Fritz(depth 4) 17-3
>
>You can see that the Deeper searcher at shallow depthes is always winning the
>match if you use tiger and fritz.
>
>
>
>
>>
>>If the program using a 8x procesor machine against Kramnink, see one ply more
>>than the normal fast machine, how strong will be ?? in elo??
>
>I do not know.
>
>I believe in diminishing return and the results seem to suggest diminishing
>return but I need more games to prove it stattistically.
>
>Uri
>>
>>Tanya.
Go on Uri, that's interesting.
Christophe
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.