Reijer Grimbergen Jeff Rollason Board Maps and Hill-Climbing for Opening and Middle Game Play in Shogi. 171-187 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2883&spage=171 2002 conf/cg/2002 Computers and Games db/conf/cg/cg2002.html#GrimbergenR02