Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Draw against Crafty 18.10 after only 10 moves!?

Author: Chessfun

Date: 21:30:14 06/25/01

Go up one level in this thread


On June 25, 2001 at 20:44:26, Robert Hyatt wrote:

>On June 25, 2001 at 14:40:05, Uri Blass wrote:
>
>>On June 25, 2001 at 11:47:52, Robert Hyatt wrote:
>>
>>>On June 25, 2001 at 10:24:08, Eduard Nemeth wrote:
>>>
>>>>On June 25, 2001 at 10:11:20, Ralf Elvsén wrote:
>>>>
>>>>>On June 25, 2001 at 09:03:27, Eduard Nemeth wrote:
>>>>>
>>>>>>"Now" I played this curious game. Why this? ;-)
>>>>>>
>>>>>>Have fun. :)
>>>>>>
>>>>>>Nemeth,E - Crafty 18.10 (with trojan check) [B20]
>>>>>>Stufe=Blitz:10'.  Stuttgart, 25.06.2001
>>>>>>
>>>>>> 58MB, General.ctg. P600
>>>>>> 1.e4 c5 2.e5 Sc6  0.05/10  17  3.f4 d6  -0.01/11  16  4.Sf3 dxe5  0.00/9  14
>>>>>>5.fxe5 a6  0.08/9  13  6.Sc3 Dc7  0.00/9  16  7.Sd5 Dd8  0.00/10  10  8.Sc3 Dc7
>>>>>>0.00/10  29  9.Sd5 Dd8  0.00/11  12  10.Sc3 ½-½
>>>>>>
>>>>>>Endposition:
>>>>>>
>>>>>>[D]r1bqkbnr/1p2pppp/p1n5/2p1P3/8/2N2N2/PPPP2PP/R1BQKB1R b KQkq -
>>>>>>
>>>>>>
>>>>>>[Event "Blitz:10'"]
>>>>>>[Site "Stuttgart"]
>>>>>>[Date "2001.06.25"]
>>>>>>[Round "?"]
>>>>>>[White "Nemeth,Eduard"]
>>>>>>[Black "Crafty 18.10"]
>>>>>>[ECO "B20"]
>>>>>>[Result "1/2-1/2"]
>>>>>>
>>>>>>1. e4 {0} c5 {0} 2. e5 {4} Nc6 {0.05/10 17} 3. f4 {3} d6
>>>>>>{-0.01/11 17} 4. Nf3 {2} dxe5 {0.00/9 14} 5. fxe5 {2} a6
>>>>>>{0.08/9 14} 6. Nc3 {4} Qc7 {0.00/9 17} 7. Nd5 {4} Qd8
>>>>>>{0.00/10 11} 8. Nc3 {2} Qc7 {0.00/10 29} 9. Nd5 {2} Qd8
>>>>>>{0.00/11 12} 10. Nc3 {2} 1/2-1/2
>>>>>>
>>>>>>Eduard
>>>>>
>>>>>I guess you had the contempt factor set to zero. To make Crafty
>>>>>show you the contempt you deserve, set it to e.g. -20 or -30 :)
>>>>>(centipawns if I remember it right)
>>>>>
>>>>>Ralf
>>>>
>>>>Hi!
>>>>
>>>>Yes, what You say is right. But contempt for Crafty 18.10 is "standard"
>>>>on Zero. Why this??
>>>>
>>>>Eduard
>>>
>>>
>>>The main reason is SSDF testing and others playing comp vs comp matches.  If
>>>crafty doesn't know it is playing a computer, it won't know to set the contempt
>>>to 0.00 (which is what I _always_ use in comp vs comp games).  It is safer to
>>>set it to 0 as the default, and then tell humans to set it correctly.  And on
>>>a chess server it is dynamically set when xboard/winboard tells crafty the
>>>opponent's server rating...
>>
>>Is there something wrong with using the rating of the opponent for the contempt
>>also when the opponent is a computer?
>>
>>I think that you are not going to be happy with a draw against a computer
>>program when the program is weaker and Crafty plays against programs that are
>>clearly weaker then it because of hardware and software.
>>
>>Uri
>
>
>I simply don't believe it is "safe".  I can't think of _any_ program I would
>like to give a .3 positional edge to, and assume I can overcome that and draw
>or win the game.
>
>I used to do this, but it because pretty obvious it is a bad idea...

I think your right. I don't know of any program
that is prepared to give away anything.
I have a few simple line with Ct.ini that Tiger will always
take as a draw. Naturally against me he should look for something
better but against another program is to risky IMO.

Sarah.






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.