Rybka 4

  
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A. Kushnaryov, 2272
E. Gossmann, 2103

1/2-1/2

See game 110667




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Rybka 4!


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Peter Marriott    (2010-05-26)
Rybka 4!

Rybka 4 is released! Find info on http://www.rybkachess.com/index.php?auswahl=Purchase+Rybka <bf> if you wanna buy it!


Ilmars Cirulis    (2010-05-26 22:11:22)
Rybka 4!

cool!
now everyone will beat me. :)


Thibault de Vassal    (2010-05-30 23:40:07)
Rybka 4!

So did anyone test this new version of the engine already?


Wayne Lowrance    (2010-06-01 22:35:19)
Rybka 4!

not impressive


Thibault de Vassal    (2010-06-01 22:42:07)
Rybka 4!

Strange... many rybkaforum members will harass Vasik with questions on these performances, most probably :/

Just looking at the new CEGT rating lists, Rybka 4 would be 30 to 80 points stronger than Rybka 3 :

CEGT 40/20

1 Deep Rybka 4 x64 4CPU 3220 39 39 200 74.8% 3031 40.5%
2 Rybka 3 x64 4CPU 3181 10 10 3099 73.9% 3000 35.3%
3 Stockfish 1.7.1 x64 4CPU 3159 11 11 2201 69.1% 3019 40.3%
4 Rybka 3 x64 2CPU 3146 10 10 3481 72.6% 2977 35.7%
5 Naum 4.2 x64 4CPU 3140 15 15 1226 61.5% 3059 44.4%

CEGT 40/4

1 Rybka 4.0 x64 4CPU 3265 24 24 500 70.7% 3112 40.6%
2 Rybka 3.0 Dynamic x64 4CPU 3233 19 19 1200 79.8% 2994 25.9%
3 Rybka 3.0 x64 4CPU 3231 9 9 4300 78.0% 3012 30.2%
4 Rybka 3.0 Human x64 4CPU 3229 21 21 1000 78.8% 3001 26.8%
5 Stockfish 1.7.1 x64 4CPU 3198 13 13 2150 72.2% 3032 33.1%


Wayne Lowrance    (2010-06-02 01:57:19)
Rybka 4!

I am not trying to discourage anyone from buying R4, not at all, I purchased it.
I am just going by my quick blush testing, and I am not very impressed. I ran a 50 game match with fire 3.1.1 and the results were about equal.
You know guys, I would rate at R3+ as it has some of the annoying bugs fixed. BTH. I have not yet able to get"large Pages to work" should add up to 10 elo, but not on my comp which will be somewhat less. I will be happy to put the engine up for bronze games for evaluation, Wayne


Wayne Lowrance    (2010-06-02 02:23:46)
Rybka 4!

ooops that should be Fire 1.3.1
Wayne


Thibault de Vassal    (2010-06-02 02:54:02)
Rybka 4!

I did not hear about Fire 1.31 before... probably the new name of Firebird!?


Wayne Lowrance    (2010-06-02 16:23:43)
Rybka 4!

Fire = Firebird Thibault, my bad. I am running a match, R4-SF 50 games Nunn2 TB. interesting so far after 33 of 50 games score is +12=15-6. +64 elo strength over stockfish.
Not too bad. This Firebird engine needs looking into. I will run a Nunn2 match next.
Oh, BTW, R4 is not running with default paramaters. I have modified them. This quite fun.
Wayne


Thibault de Vassal    (2010-06-02 16:34:58)
Rybka 4!

No, you were right Wayne, Fire is the name... it looks like Firebird has been renamed to Fire.


Daniel Parmet    (2010-06-03 07:29:29)
Rybka 4!

Whats Nunn2?


Peter Marriott    (2010-06-03 20:44:26)
Rybka 4!

Thib, Firebird was changed to Fire because someone emailed Norman and asked him to change the name because I guess a company name is Firebird...So Norman simply shortened it to "Fire". Fire 1.31 is new, but I don't think there is an elo increase.









 

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