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Subject: Re: Dieps 700 elo-book in action:

Author: Uri Blass

Date: 14:54:40 02/27/05

Go up one level in this thread


On February 27, 2005 at 17:33:02, Arturo Ochoa wrote:

>On February 27, 2005 at 14:06:58, Peter Skinner wrote:
>
>>On February 27, 2005 at 07:17:44, Sandro Necchi wrote:
>>
>>>Well, Vincent said that if an engine play Elo 3000 than the book is giving in
>>>these tournaments 700 points and the program is 2300 Elo strong.
>>>
>>>I do not think Diep is playing Elo 3000 so the Vincent's rule cannot be used.
>>>
>>>Sandro
>>
>>Diep wasn't even playing at a 2400 level at the IPCCC.
>>
>>With all the games (well all games that were actually posted) from the event and
>>using a start value of 2400, Diep scored:
>>
>>Program                          Elo    +   -   Games   Score   Av.Op.  Draws
>>
>>  1 Hydra                          : 2810  239 220     9    88.9 %   2449   22.2
>>%
>>  2 Shredder                       : 2715  320 296     9    83.3 %   2436   11.1
>>%
>>  3 Gandalf                        : 2566  214 205     9    61.1 %   2488   33.3
>>%
>>  4 Spike                          : 2499  267 247     9    61.1 %   2420   11.1
>>%
>>  5 Nexus                          : 2455  292 292     7    50.0 %   2455   14.3
>>%
>>  6 Ikarus                         : 2447  220 220     7    50.0 %   2447   42.9
>>%
>>  7 Anaconda                       : 2436  207 207     9    50.0 %   2436   33.3
>>%
>>  8 Jonny                          : 2428  207 207     9    50.0 %   2428   33.3
>>%
>>  9 SOS                            : 2418  207 207     9    50.0 %   2418   33.3
>>%
>> 10 The Baron                      : 2417  187 183     9    55.6 %   2378   44.4
>>%
>> 11 Diep                           : 2397  187 183     9    55.6 %   2358   44.4
>>%
>> 12 Neurologic                     : 2218  177 194     8    37.5 %   2307   50.0
>>%
>> 13 Patzer                         : 2208  177 195     9    33.3 %   2329   44.4
>>%
>> 14 Quark                          : 2169  205 229     9    27.8 %   2335   33.3
>>%
>> 15 IsiChess                       : 2150  248 286     8    25.0 %   2341   25.0
>>%
>> 16 Matador                        : 2041  173 291     9    16.7 %   2321   33.3
>>%
>
>Rg. 	Titel 	Name 	     Pkte 	Wtg.
>1 	  	Hydra 	        8 	44½
>2 	  	Shredder 	7½ 	43
>3 	  	Gandalf 	5½ 	47
>4 	  	Spike 	        5½ 	42½
>5 	  	Ikarus 	        5 	42
>6 	  	The Baron 	5 	39
>7 	  	Diep 	        5 	37
>8 	  	Anaconda 	4½ 	44
>9 	  	SOS 	        4½ 	43
>10 	  	Nexus 	        4½ 	43
>11 	  	Johnny 	        4½ 	43
>12 	  	Patzer 	        3 	35½
>13 	  	Neurologic 	3 	34
>14 	  	Isichess 	2½ 	38½
>15 	  	Quark 	        2½ 	36
>16 	  	Matador 	1½ 	36
>
>http://wwwcs.upb.de/~IPCCC/IPCCC2005/r3.HTM
>According to the Official Standing Table of teh Tournament, Diep was seventh and
>not eleventh as you put in your table.

The table is not officical standing table but performance table based on the
event and the assumption that the average rating is 2400 so I do not see the
problem with it.

Diep played relatively weaker opponents(for example did not play hydra) so the 5
that it scored may be considered as worse than 4.5 that scored other programs.

>
>About your point, Diep was:
>
>1) 6th. in Paderborn 2004: http://wwwcs.upb.de/~IPCCC/IPCCC2004/ranking.html
>2) 4th. in 4th International CSVN Tournament:
>http://www.computerschaak.nl/ict4tour.html
>3) 3rd. in 12th World Computer Chess Championship 2004:
>http://www.cs.biu.ac.il/games/results.html
>4) 1st. in Dutch Open 2004: http://www.computerschaak.nl/docc04.html.
>
>They are all the Official Tables and they don´t say that Diep was under 2400
>Elo.

I agree that there is no proof for rating under 2400

Peter made the assumption that the average rating of the field is 2400 and the
only thing that I can say is that we do not know the average rating of the
field.

> I do not see that your table is proving anything.

It certainly can prove nothing about rating.
It may only suggest that diep in 2005 did not perform better than the average of
the field(if the average of the field is 2400 then Diep's performance is 2397).



>
>By the way, the current responsable of the Book is Erdogan. I have just pointed
>out the Diep performance for the year 2004. Less than 2400 Elo?!! :))) How could
>your table prove that?

I do not see where peter mentioned the year 2004.
He meant 2005.

Uri



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