A lot of people including myself have beaten Chinook (it took me over 100 tries) and since it imposes a 4 min time limit per move it is unlikely those folks are using a program against it as it would allow no "deep study" time. Chinook apparently self corrects too because the same line won't work twice. It is sad a draw is a loss there because that pads Chinooks stats. Ed I'm sure many of your opponents betray their amaturism within a few moves and I assume you would put away your hardware at that point..or their won/loss record is so mediocre you don't consider them a threat. Allowing of course for a possible sandbag.