It then announces the result given optimal play, and will play perfectly from that point on. On the PC, this version does this for the final 10 plys. On the Vax, the last 12 plys are played perfectly. The actual optimal line of play found can be displayed by Mutilatr if requested by the human opponent. Perimeter stones are considered bad.
Mobility is considered good.
Squares one away from a corner are bad unless the corner is occupied. Piece count is only considered near the end. Mutilatr utilizes a table of all possible edge configurations, each with a numerical score. Mutilatr can adjust its search depth without user intervention. If this is selected, then tournament mode is assumed, and search time will average between 20 seconds and 1 minute.