Crazy Stone is a top-level program that plays the
game of Go (Weiqi, Baduk), by Rémi Coulom (with the help of Fabien Letouzey in February-March 2016). Commercial Versions
Crazy Stone is distributed commercially by
Unbalance Corporation. It is available for various platforms and languages, as indicated in this table:
If you have any problem buying or using Crazy Stone, please contact
Unbalance, not me.
2016-03-21: Crazy Stone took the
third place of the UEC Cup. It is considerably stronger thanks to deep learning. It reached 7d on KGS, and entered the KGS top 100! 2015-03-21: Crazy Stone
won the UEC Cup, and lost a 3-stone game against Cho Chikun in the Densei-sen. 2014-03-24: Recently, Crazy Stone established a solid 6-dan rank on KGS, took the second place of the 7th UEC Cup, and won in the Densei-sen in a 4-stone game against Norimoto Yoda.
2013-03-20: Crazy Stone won a H4 game against
Yoshio Ishida 9p during the First Densei-sen. 2013-03-17: Crazy Stone is in good shape: after winning four KGS tournaments in a row, it won the
6th UEC Cup. 2012-08-02: Crazy Stone played two H4 games against
Catalin Taranu 5p during the European Go Congress. Crazy Stone won the first game, and lost the second game. 2011-11-26: established a solid 5d rank on KGS (see its
rank graph). 2011-04-23:
first victory against human 5d on KGS, a game commented by Alexandre Dinerchtein (3p). 2008-12-14: won the
second edition of the UEC Cup and a H7 game against Kaori Aoba (4p). 2008-09-04: won
a H8 game against Kaori Aoba (4p), during the FIT2008 conference in Tokyo, Japan. 2008-08-06: won the 19x19 tournament of the European Go Congress.
2007-06-19: participated in the 12th Computer Olympiad:
2006-06-02: won the gold medal of the
11th Computer Olympiad (9x9). 2005-09-04: participated in the
Sixth KGS Computer Go Tournament. Acknowledgements
The development of Crazy Stone was carried out using the Grid'5000
experimental testbed, an initiative from the French Ministry of Research
through the ACI GRID incentive action, INRIA, CNRS and RENATER and other
contributing partners (see
The development of Crazy Stone also used computational power provided
by the COCOA/FEDER project.