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WCCC 2006 Tournament

Junior (Computer)9/11(+7 -0 =4)[games]
Rybka (Computer)8.5/11(+7 -1 =3)[games]
Shredder (Computer)8.5/11(+6 -0 =5)[games]
Zappa (Computer)7.5/11(+4 -0 =7)[games]
Spike (Computer)6.5/11(+4 -2 =5)[games]
Jonny (Computer)6.5/11(+5 -3 =3)[games]
Diep (Computer)6.5/11(+5 -3 =3)[games]
Crafty (Computer)6/11(+5 -4 =2)[games]
Ikarus (Computer)6/11(+5 -4 =2)[games]
Delfi 46 (Computer)5.5/11(+4 -4 =3)[games]
IsiChess (Computer)5.5/11(+5 -5 =1)[games]
Chiron (Computer)4.5/10(+3 -4 =3)[games]
ParSOS (Computer)4.5/10(+4 -5 =1)[games]
Uragano3D (Computer)3/10(+3 -7 =0)[games]
Chaturanga (Computer)2/10(+2 -8 =0)[games]
Lion (Computer)2/5(+2 -3 =0)[games]
FIBChess (Computer)1/10(+1 -9 =0)[games]
ETABETA (Computer)0/10(+0 -10 =0)[games] Chess Event Description
WCCC 2006


 page 1 of 4; games 1-25 of 93  PGN Download
Game  ResultMoves YearEvent/LocaleOpening
1. Delfi 46 vs Junior 0-1392006WCCC 2006B40 Sicilian
2. Ikarus vs ETABETA 1-0282006WCCC 2006D48 Queen's Gambit Declined Semi-Slav, Meran
3. Zappa vs Jonny ½-½1602006WCCC 2006E19 Queen's Indian, Old Main line, 9.Qxc3
4. Spike vs Chiron  ½-½762006WCCC 2006B33 Sicilian
5. Diep vs FIBChess 1-0262006WCCC 2006B02 Alekhine's Defense
6. ParSOS vs Rybka 0-1682006WCCC 2006D47 Queen's Gambit Declined Semi-Slav
7. Uragano3D vs Crafty 0-1572006WCCC 2006A14 English
8. Chaturanga vs Lion  0-1492006WCCC 2006E40 Nimzo-Indian, 4.e3
9. Shredder vs IsiChess 1-0482006WCCC 2006E44 Nimzo-Indian, Fischer Variation, 5.Ne2
10. ParSOS vs ETABETA 1-0232006WCCC 2006E12 Queen's Indian
11. Diep vs IsiChess 1-0562006WCCC 2006B80 Sicilian, Scheveningen
12. Chaturanga vs FIBChess 1-0242006WCCC 2006B15 Caro-Kann
13. Uragano3D vs Jonny  0-1342006WCCC 2006B44 Sicilian
14. Delfi 46 vs Lion  0-1542006WCCC 2006C96 Ruy Lopez, Closed
15. Ikarus vs Crafty  0-1782006WCCC 2006B40 Sicilian
16. Zappa vs Chiron 1-0352006WCCC 2006B00 Uncommon King's Pawn Opening
17. Spike vs Junior 0-1622006WCCC 2006A29 English, Four Knights, Kingside Fianchetto
18. Shredder vs Rybka 1-0532006WCCC 2006C45 Scotch Game
19. IsiChess vs Chaturanga  1-0282006WCCC 2006E15 Queen's Indian
20. Crafty vs Shredder 0-1492006WCCC 2006B22 Sicilian, Alapin
21. Jonny vs Spike  0-1412006WCCC 2006D45 Queen's Gambit Declined Semi-Slav
22. Junior vs Ikarus 1-0602006WCCC 2006C78 Ruy Lopez
23. Rybka vs Diep 1-0582006WCCC 2006B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation
24. Lion vs Zappa 0-1542006WCCC 2006B77 Sicilian, Dragon, Yugoslav Attack
25. Chiron vs ParSOS 1-0872006WCCC 2006B54 Sicilian
 page 1 of 4; games 1-25 of 93  PGN Download
  REFINE SEARCH:   White wins (1-0) | Black wins (0-1) | Draws (1/2-1/2)  

Kibitzer's Corner
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May-31-06  hitman84: Pairings for round 9
No Name Total Result Name Total

1 Crafty, [4.5] : Junior, [6]
2 Shredder, [6] : Chiron, [4]
3 Zappa, [5.5] : Spike, [5]
4 ETABETA, [.5] : Rajlich, [5.5]
5 Jonny, [4.5] : Chaturanga, [2.5]
6 Delfi 4.6, [4] : DIEP, [4]
7 ParSos, [4] : IsiChess MMX, [4]
8 FIBChess, [1.5] : Ikarus, [4]
9 Uragano3d, [3] =:= BYE

May-31-06  jhoro: Shredder went for draw by move repetition at move 20 against ParSOS. Those engines should get some conditioning from Topalov. They are so young, but so afraid not to lose.
May-31-06  Dionyseus: Standings after round 10:
1. Junior 8/10
2-3 Shredder 7.5/10
Rybka 7.5/10
4. Zappa 7.0/10

One more round remaining, it will be played tomorrow, tiebreaks afterwards if necessary.

May-31-06  chessmoron: Any one has Zap! Chess (the commercial Zappa engine from chessbase)? Is it any good?
May-31-06  CapablancaFan: Shredder is a very hard program to defeat. It's record even against otherrograms is impressive.
Jun-01-06  borisbadenoff: As Junior has won his game against IsiChess.
Junior is the new WCC-Champion with 9/11.
Shredder being just half a point behind with 8.5/11. Rybka will probably also make the full point. Sharing the second place with Shredder

Jun-01-06  jhoro: Hardware according to the official website. What strikes me is that Zappa uses a 1.6MHz notebook with 512M memory. Zap!Chess would've done much better on a 4x2 AMD


Chaturanga: 1x1 Intel 3.2GHz, No
Chiron: 1x1 AMD 2.2GHz, No
Crafty: 4x2 AMD 2.4GHz, Yes
DIEP: 2x2 AMD 2.4GHz, Yes
Delphi: 1x1 Intel 3.0GHz, No
ETABETA: 1x1 Intel 3.0GHz, No
FIBChess: 1x1 AMD 2 GHz, No
Ikarus: 2x2 AMD 1.8GHz, Yes
IsiChess: MMX: 1x1 AMD 2.2GHz, No
Jonny: 1x2 AMD 2.5GHz, Yes
Junior: 2x2 Intel 3 GHz, Yes
ParSOS: 1x1 AMD 2 GHz, No
Rajlich: 4x2 AMD 2.4GHz, No
Shredder: 4x2 AMD 2.6GHz, Yes
Spike: 2x2 AMD 2.0GHz, Yes
Uragano3d: 1x1 AMD 2 GHz, No
Zappa: 512x1 Intel 1.6GHz, No

Jun-01-06  WillC21: <jhoro> I think you are mistaken. The chart you provided says nothing about memory, but rather appears to list cores.

For example, Shredder and Rajlich are listed at 8 cores(Dual Corex4), Junior is listed at 4(Dual Corex2).

By extension, we can imply that Zappa was running on 512 single core processors. Memory, an MB(or GB figure) is absent from the table altogether, although clock frequency(GHz) is provided.

Zappa was, I think, therefore the fastest there.

Jun-01-06  jhoro: 512-node SMP machine! I really doubt. Otherwise you were correct that I was guessing about the meaning of this 512 number.
Jun-01-06  jhoro: <WillC21>, I now think you were correct. That is what I found on Zappa's home page:


As I am now a graduate student in Computer Science at the University of Illinois at Urbana-Champaign, I managed to get some time on NCSA's Cobalt supercomputer, an SGI Altix 3700 with 1024 1.6GHZ Itanium2 processors. The machine ranks 60th in the world on the list and is so powerful that even the photographs are 18MB in size. Sadly, the machine is split into two parts and Zappa can only use 512 processors at once, but I estimate that it will be able to achieve a search speed of over 100 million positions per second, roughly equivalent to Deep Blue (of course, vastly superior in terms of actual play). I'd also like to take the time to put out a big thank-you to the NCSA helpdesk. I associate most helpdesks with week-long delays and gross incompetence, but the NCSA folks are both bright and hard-working. Thanks a lot! Genealogy>

Jun-01-06  jhoro: This of course makes Zappa's 4th place somewhat lousy. Final standings:
Jun-02-06  hitman84: Some nice pics from 14th WCCC :
Jun-02-06  chessmoron: <jhoro> How do you get Toga's book into the Arena interface? It only takes .abk not .bin. I just wish chessbase could make a free Fritz interface without any engines.
Jun-03-06  weepingwarrior: Junior Wins:
Place Name Raing Score Buchh.
1 Junior 2800 9 70.5
2-3 Shredder 2810 8.5 68.5
Rajlich 2820 8.5 62.5
4 Zappa 2830 7.5 73.0
5-7 Spike 2760 6.5 64.0
DIEP 2680 6.5 62.5
Jonny 2650 6.5 62.5
8-9 Crafty 2700 6 73.0
Ikarus 2660 6 58.0
10-11 IsiChess 2500 5.5 60.5
Delfi 4.6 2450 5.5 59.5
12-13 Chiron 2400 5 59.5
ParSos 2620 5 53.5
14 Uragano3d 2100 3.5 54.0
15 Chaturanga 1900 2.5 53.0
16 LION++ 1.5 2670 2 28.5
17 FIBChess 2000 1.5 55.0
18 ETABETA 1440 0.5 56.0
Jun-03-06  jhoro: <chessmoron: How do you get Toga's book into the Arena interface?> Place the .bin book(s) in the Toga folder. Make Toga active and press Ctrl+1 (can be accessed thru the menus or on rightclick). The bin book is there along with other options. Maybe it is possible to have full path, but I haven't tried it.
Jun-03-06  Marmot PFL: Rybka is an excellent program, but I believe this was its first championship and the pressure may have been too much. Junior and shredder have been there before - experience counts.
Jun-03-06  cotdt: yeah, Rybka was too nervous and lost against shredder
Jun-03-06  chessmoron: <Marmot PFL>, <cotdt>. Remember guys, the engine used in the Olympiad was not Rybka, it was Rajlich, a beta version. So I'm not that worried, it's just some bad luck on Vas' (the creator's) part.
Jun-05-06  neosystems: " chessmoron: <jhoro> How do you get Toga's book into the Arena interface? It only takes .abk not .bin. I just wish chessbase could make a free Fritz interface without any engines."

Mount it on a virtual drive. There are many DVD burning softwares that allow you to do this.

" chessmoron: What's the best free chess software out there?"

My favorite is Fritz (Deep Fritz 8 is what I have currently). However, chessbase provides many excellent alternatives such as (Deep) Shredder, Zappa (Zap! Chess), (Deep) Junior, HIARCS, ChessTiger. Are Rybka or Fruit commercially available?

Jun-05-06  chessmoron: <neosystems: Are Rybka or Fruit commercially available?> Of course. Rybka: Fruit:
Jun-05-06  jhoro: <neosystems:
" chessmoron: What's the best free chess software out there?" My favorite is Fritz (Deep Fritz 8 ...>

<neosystems>, i think you overlooked the word <free>

Jun-05-06  neosystems: I think I have. *hides in corner*
Jun-06-06  Knight13: Yeah, man! I knew Junior would win!!!!!
Nov-09-06  MarvinTsai: Rybka just won the 26th Open Dutch Computer Chess Championship:

But Junior didn't show...

Nov-09-06  zerathul: <chessmoron> Toga, without dubt
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