IPSJ Yamashita SIG Research Award, 2003
The Association for Natural Language Processing, Journal Paper Award, 2003
Computer Shogi Association, Research Award, 2003
15th World Computer Shogi Championship, First Prize, 2005
14th World Computer Shogi Championship, Second Prize, 2004
12th World Computer Shogi Championship, First Prize, 2002
KLIC Programming Contest - Speed Category, First Prize, 1998