20 ply or more, yes, that is the reason I do not play those monsters which does not give any chance to you.
BTW, my second beloved dedicated unit -after my first love, Champion Chess challenger- , was a Constellation 3.6, which I played a lot, lost a lot, won a lot, etc. I remember a mate I got with a deep search of 16 moves on my side. Probably the moment when my chess brain got his best...
After lot of years I got a Superconny and there I have most of my current pleasures. And I have other contrivances coming from your mind, David, as some little hand held units that play even better than SC. Saphire, one of them.
They are strong and I lose lot of games, BUt you always have some chance to get a point or half a point. They go deep, but not THAT deep as these PC monsters.
As Steven B, I get most of my fun from those units which I collect to this day. And I feel, talking to you, as some of my readers feel, I suppose, talking to me when I am in the old exercise of signing books. Feel happy and weird, that is...
One of the charms of this place has been precisely that: I have known Martin Bryant, ed Schroeder, Bob, Don, Larry, sherwin and so many others chess programmers that to me, sometime, where kind of Olympus gods far above my head.
Now I just stopped a game againts wchess which was in state of equilibrium. Thats the moment to stop...
Fern