Rybka SMP 8 CPU - Zappa Mexico 8 cpu : The Revenge

Discussion of computer chess matches and engine tournaments.

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Daniel Charles

Re: Rybka SMP 8 CPU - Zappa Mexico 8 cpu : The Revenge

Post by Daniel Charles »

Xeon 5365
512 Mo
perfect 12.33
egtb 345

time 40/40 + 40/40 + 40 mn

Image

11 more games to run

It is interesting to notice that for this test the difference between Rybka and Zappa Mexico is less than 60 elo !!!

I test with draws books , however with tournament book Zappa and Rybka should be even closer ...

Even if Rybka is still the Big Chess master sometimes It could do some big mistake

look at this long game with Zappa victory in less than 36 moves !!!

[Event "rybkazappa-1"]
[Site "?"]
[Date "2007.11.27"]
[Round "38.1"]
[White "Zappa Mexico X64"]
[Black "Rybka 2.3.2a mp"]
[Result "1-0"]
[ECO "C13"]
[Annotator "0.20;0.21"]
[PlyCount "67"]
[EventDate "2007.11.13"]
[EventType "tourn"]
[Source "superchessengin"]
[TimeControl "40/2400:40/2400:2400"]

{Intel(R) Xeon(R) CPU X5365 @ 3.00GHz 0 MHz W=16.7 ply; 5,402kN/s;
13 TBAs; Perfect 12.33.ctg B=18.2 ply; 577kN/s; Perfect 12.33.ctg} 1. e4 {
B/0 0} e6 {B/0 0} 2. d4 {B/0 0} d5 {B/0 0} 3. Nc3 {B/0 0} Nf6 {B/0 0} 4. Bg5 {
B/0 0} dxe4 {B/0 0} 5. Nxe4 {B/0 0} Be7 {B/0 0} 6. Bxf6 {B/0 0} Bxf6 {B/0 0} 7.
Nf3 {B/0 0} O-O {B/0 0} 8. Qd2 {B/0 0} b6 {B/0 0} 9. O-O-O {0.20/18 175} Nc6 {
(Bb7) 0.21/17 40} 10. c3 {(Bc4) 0.28/17 142} Be7 {0.14/17 92} 11. Bd3 {
0.29/17 104} Bb7 {(a5) 0.18/17 77} 12. Rhe1 {(Qf4) 0.32/17 120} a5 {
(Na5) 0.14/17 110} 13. Qf4 {0.48/17 136} a4 {(Qd7) 0.63/18 403} 14. Neg5 {
0.50/17 130} g6 {0.61/17 10} 15. d5 {0.58/17 98} exd5 {0.38/18 27} 16. Qh4 {
0.58/16 0} Bxg5+ {(h5) 0.76/19 39} 17. Nxg5 {0.91/7 0} h5 {1.89/21 209} 18. g4
{1.93/16 99} Qf6 {(Qd7) 1.93/20 105} 19. gxh5 {0.98/8 0} Qh8 {2.00/19 50} 20.
Bxg6 {2.42/16 239} fxg6 {(Qh6) 2.31/19 88} 21. Rxd5 {3.09/15 135} Qh6 {
2.39/18 31} 22. Re6 {4.33/16 106} Ne7 {4.57/18 68} 23. Rde5 {4.33/16 0} Rf7 {
4.80/16 123} 24. Rxe7 {6.17/17 106} Bd5 {4.91/15 17} 25. c4 {6.17/17 0} Rxe7 {
5.10/15 46} 26. Rxe7 {6.17/16 0} Qxh5 {5.38/14 24} 27. Qxh5 {6.17/15 0} gxh5 {
5.57/17 11} 28. cxd5 {6.17/15 0} Ra5 {5.68/16 8} 29. Ne4 {(Rd7) 7.05/18 66} Kf8
{5.85/17 7} 30. Rd7 {7.05/17 0} Rb5 {6.50/19 86} 31. f3 {7.05/16 0} Ra5 {
(a3) 6.71/19 127} 32. Kd2 {9.48/18 74} h4 {6.68/16 27} 33. h3 {(Nc3) 9.48/17 0}
Rb5 {7.73/15 45} 34. Kc3 {14.24/19 139} 1-0




Daniel
Spock

Re: Rybka SMP 8 CPU - Zappa Mexico 8 cpu : The Revenge

Post by Spock »

Great stuff Daniel, this is a fascinating match. They are closer than I expected
Daniel Charles

Re: Rybka SMP 8 CPU - Zappa Mexico 8 cpu : The Revenge

Post by Daniel Charles »

Xeon 5365
512 Mo
perfect 12.33
egtb 345

time 40/40 + 40/40 + 40 mn

Image



around 50 elo after 50 games the difference is not so big on 8 cpu .
A good tournament book could overcome the 50 elo difference especially when it is tuned versus against this engine . Zappa Team probably tuned their white and black book versus Rybka . Their advantage was that almost the same Rybka they tested played against them ...
A.Cozzie did a very job improving his zappa & Erdo made a very good book tuned vs Rybka + a little bit luck and we had Zappa Mexico team victory at Mexico (congrats to them one more time )

Zappa Victory vs Rybka at Mexico was probably 50 % engine + Xeon + 25 % book + 25 % luck
Daniel Charles

Re: Rybka SMP 8 CPU - Zappa Mexico 8 cpu : The Revenge

Post by Daniel Charles »

For O.Hall

I will update tomorrow the website with .pgn (busy shopping today for Xmas :D )

for previous pgn just take a look at previous Post on this topics

Thanks

Daniel
Daniel Charles

Re: Rybka SMP 8 CPU - Zappa Mexico 8 cpu : The Revenge

Post by Daniel Charles »

Ok Now

Just updated my website with the .pgn from rybka vs Zappa

I will try to upload them to my replay zone too (if i remember how to do that :D )

Best

Daniel
Uri Blass
Posts: 10889
Joined: Thu Mar 09, 2006 12:37 am
Location: Tel-Aviv Israel

Re: Rybka SMP 8 CPU - Zappa Mexico 8 cpu : The Revenge

Post by Uri Blass »

Daniel Charles wrote:Xeon 5365
512 Mo
perfect 12.33
egtb 345

time 40/40 + 40/40 + 40 mn

Image



around 50 elo after 50 games the difference is not so big on 8 cpu .
A good tournament book could overcome the 50 elo difference especially when it is tuned versus against this engine . Zappa Team probably tuned their white and black book versus Rybka . Their advantage was that almost the same Rybka they tested played against them ...
A.Cozzie did a very job improving his zappa & Erdo made a very good book tuned vs Rybka + a little bit luck and we had Zappa Mexico team victory at Mexico (congrats to them one more time )

Zappa Victory vs Rybka at Mexico was probably 50 % engine + Xeon + 25 % book + 25 % luck
The time control that was used was practically longer than your time control.

Maybe zappa can score better at longer time control.

Uri
Daniel Charles

Re: Rybka SMP 8 CPU - Zappa Mexico 8 cpu : The Revenge

Post by Daniel Charles »

Hello Uri

It could be a probability too

Like Zappa Mexico score a lot better at long time control than at Fast time control .

Daniel