A new addition to the AI Factory family of engines, Aya Go is the work of Hiroshi Yamashita, a Computer Olympiad Gold medallist and 3 times World Computer Shogi Champion. Aya Go is a compact and fast Go engine, which has already appeared in IFE and will shortly appear on 2 major consoles. Aya has competed in 9 world computer tournaments, winning a Gold, 2 x Silvers and 2 x Bronze medals, competing against between 6 and 18 opponents.