During the fourth game in the Philadelphia series, international chess master and Vice-President of the International Computer Chess Association(ICCA) David Levy compared the style of the computer to that of a former world chess champion, Bobby Fischer of the United states. 费城系列赛第四场比赛中,国际象棋大师,国际电脑象棋协会副主席大卫利维将电脑的棋风和一位前国际象棋世界冠军美国的博比费希尔的棋风作了一个比较。