Takuya Obata 1
- Image clipped from Takeshi Ito (2011). Clair 1/128 wins 5x5 Shogi Tournament. ICGA Journal, Vol. 34, No. 1, pp. 41↩︎
Takuya Obata,
a Japanese computer scientist, M.Sc in 2011 from the Department of Computer Science, University of Electro-Communications, Tokyo. As Shogi programmer, Takuya Obata is author of Clair 1/128 and 1/128 Rigan, and co-author of Bonanza 1. Clair 1/128 won the Gold medal in Shogi (5x5), Kanazawa 2010, ahead of runner-up Shokidoki by Harm Geert Muller, while Shokidoki won Gold in Yokohama 2013 ahead of 1/128 Rigan operated by Nakamichi Takashi. Clair 1/128 applies magic bitboards and the Bonanza method of automated tuning 2 3 4.
Selected Publications
- Takuya Obata, Takuya Sugiyama, Kunihito Hoki, Takeshi Ito (2010). Consultation Algorithm for Computer Shogi: Move Decisions by Majority. CG 2010
- Takuya Sugiyama, Takuya Obata, Kunihito Hoki, Takeshi Ito (2010). Optimistic Selection Rule Better Than Majority Voting System. CG 2010
- Kunihito Hoki, Tomoyuki Kaneko, Daisaku Yokoyama, Takuya Obata, Hiroshi Yamashita, Yoshimasa Tsuruoka, Takeshi Ito (2013). A System-Design Outline of the Distributed-Shogi-System Akara 2010. SNPD 2013
External Links
References
WCSC20 Participant List by Nobu, SHOGI-L, Shogi Google Group, February 02, 2010↩︎
Tomoyuki Kaneko, Kunihito Hoki (2011). Analysis of Evaluation-Function Learning by Comparison of Sibling Nodes. Advances in Computer Games 13↩︎
Kunihito Hoki, Tomoyuki Kaneko (2011). The Global Landscape of Objective Functions for the Optimization of Shogi Piece Values with a Game-Tree Search. Advances in Computer Games 13↩︎