CCRL 40/40
Downloads and Statistics
August 31, 2010
Testing summary:
Total: 269'665 games
played by 875 programs
37814 CPU days (X2 4600+)

White wins: 96'456 (35.8%)
Black wins: 71'403 (26.5%)
Draws: 101'806 (37.8%)
White score: 54.6%

Thanks

Contributors

Following people submitted games to CCRL 40/40 database: Graham Banks, Shaun Brewer, Charles Smith, Ray Banks, Aser Huerga, Sarah Bird, Kirill Kryukov, George Speight, Martin Thoresen, Thomas Logan, Wassim Saeed, Andreas Schwartmann, Chris Taylor, Chuck Wilson, Gabor Szots.

Kirill Kryukov and Shaun Brewer automated statistical analysis and designed the web-site, with lot of useful feedback from other team members.

Ray Banks and Kirill Kryukov maintained the game database and published updates.

Authors of chess software we used

We want to thank Martin Blume for creating Arena - a great free chess interface. We also want to thank Matthias Gemuh for creating ChessGUI - another great free chess interface. We also used commercial interfaces: Chessbase interfaces, Shredder GUI by Stefan Mayer-Kahlen and Engine Research Tool by Lokasoft.

Odd Gunnar Malin made very useful adapters Wb2Uci and InBetween.

Eugene Nalimov and Andrew Kadatch created "Nalimov Tablebases". Daniel Shawul created Scorpio bitbases. Miguel Ballicora created Gaviota tablebases. We also thank members of EGTB Online project for making some of those endgame tablebases freely available online.

We are grateful to Harry Schnapp, Sedat Canbaz, Wael Deeb, Christopher Conkie, Mike Scheidl for creating high quality opening books we used in testing.

Most of all we would like to thank developers of all the chess engines we tested: Enrique Sanchez Acosta, Richard Allbert, Peter Alloysius, Leen Ammeraal, Volker Annuss, Edsel Apostol, Stan Arts, Ivan Bacigal, Amir Ban, Christian Barreteau, Steffen Basting, Aaron Becker, Ryan Benitez, Casper W. Berg, John Bergbom, Aart Bik, Norman Blais, Uri Blass, Volker Bohm, Ivan Bonkin, Michael Borgstadt, Bert van den Bosch, Borko Boskovic, Ross Boyd, Lucas Braesch, Oliver Brausch, Jan Brouwer, Alex Brunetti, Martin Bryant, Romain Burgot, Dieter Burssner, Shay Bushinsky, Vadim Bykov, Carlos del Cacho, Pedro Castro, Fabio Cavicchio, Vadim Chizhov, Piotr Cichy, Philipp Classen, Federico Corigliano, Anthony Cozzie, David Dahlem, Martin Danielsson, Jon Dart, Vadim Demichev, Antonio Dieguez, Dusan Dobes, Chrilly Donninger, Patrice Duhamel, Philippe Fabiani, Andrew Fan, Peter Fendrich, Helmut Fett, Martin Fierz, Guillermo Filia, Sune Fischer, Josue Forte, Klaus Friedel, Philippe Gailhac, Thomas Gaksch, Jose Carlos Martinez Galan, Onno Garms, Scott Gasch, Matthias Gemuh, Mincho Georgiev, Martin Giepmans, Fritz Grau, Thorsten Greiner, Neels Groenewald, Gabriel Guillory, Bas Hamstra, Tony Hecker, Raimund Heid, Andreas Herrmann, Dan Homan, Dan Honeycutt, Peter Horvath, Rudolf Huber, Robert Hyatt, Miguel Izquierdo, WH Lowery Jnr, Harald Johnsen, Christophe Jolly, Ben-Hur Carlos Langoni Junior, Pradu Kannan, Francois Karr, Niyaz Khasanov, Tord Romstad, Marco Costalba, and Joona Kiiski, David Kittinger, Jan Klima, Marek Kolacz, Johan de Koning, Alexey Korneychuk, Evgeniy Korniloff, Igor Korshunov, Pawel Koziol, Jonathan Kreuzer, Andrea Lanza, Fabien Letouzey, Tom Likens, Jacob Bors Lind, Anton Lindenmair, Gary Linscott, Dominique Longbien, Bruno Lucas, Andres Manzanares, Eric Marathee, Sergei Markoff, Mariusz Marszalkowski, Steve Maughan, Thomas Mayer, Vladimir Medvedev, Daniel Mehrmann, Johan Melin, John Merlino, Stefan Meyer-Kahlen, Tomasz Michniewski, Helge Milde, Anastasios Milikas, Maurizio Monge, Chris Moreton, Alex Morozov, Frans Morsch, Ferdinand Mosca, Edmund Moshamer, H.G. Muller, Ron Murawski, Aleksandar Naumov, Pallav Nawani, Sergei Nefedov, Jesper Nielsen, Phokham Nonava, Eric Oldre, Mathieu Page, Rahman Paidar, Salvador Pallares, Gian-Carlo Pascutto, Arkadiusz Paterek, Lance Perkins, Maciej Pestka, Jonatan Pettersson, Roland Pfister, Gunther Piez, Ilari Pihlajisto, Richard Pijl, Andy Platt, Mateusz Luksik, Poland, Marcus Prewarski, David Rabel, Vasik Rajlich, David Rasmussen, Fritz Reul, Charles Roberson, Jean-Francois Romang, Tord Romstad, Toma Roncevic, Alberto Alonso Ruibal, Jaime Benito de Valle Ruiz, Ivan Maklyakov, Russia, Maurizio Sambati, Aleksandrs Saveljevs, Ralf Schaefer, Ralf Schafer, Norman Schmidt, Frank Schneider, Ed Schroder, Sven Schuele, Sven Schule, Alessandro Scotti, Antonio Senatore, Fermin Serrano, Daniel Shawul, Michael Sherwin, Allard Siemelink, Will Singleton, Kai Skibbe, Vlad Stamate, Johanes Suhardjo, Steen Suurballe, James Swafford, Franck Tempet, Christophe Theron, Nathan Thom, Antonio Torrecillas, Eric Triki, Alexander Turikov, Ulrich Turke, Mark Uniacke, Engin Ustun, Per-Ola Valfridsson, Andres Valverde, Andres Valverdes, Pablo Vazquez, Stephan Vermeire, Richard Vida, Tom Vijlbrief, Paul Villanueva, Luigino Viscione, Zach Wegner, David Weller, Andrew Williams, Dan Wulff, Franck Zibi, Stefan Zipproth, Johannes Zwanzger.

Software we used for database management, statistics, game analysis, web-site publishing and communication

We want to thank Remi Coulom for creating a wonderful tool Bayeselo. We use it to compute our rating lists, LOS figures and performances.

David J. Barnes created PGN Extract which we use to perform opening classification of our game database.

Our statistics and processing is automated using Perl language, particularly ActivePerl distribution.

We used following great software for file and database management:

Other incredibly useful free software we use every day:



Created in 2005-2008 by CCRL team
Last games added on August 31, 2010