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Subject: Re: can one autoplay on 2 different interfaces?

Author: Mike S.

Date: 16:50:22 07/27/02

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On July 27, 2002 at 19:05:38, Rajen Gupta wrote:

> can one autoplay on 2 different interfaces?
>
>eg i computer having 1 type of gui and the other having a different one?

Sure... that's one major advantage when different GUIs have that function.

I don't have much autoplayer experience, but when I tried it recently for a few
games, I did exactly that: Matching various different GUIs against each other.
For example, Der Bringer has Auto232 support, too. It was a bit tricky though
for me sometimes, when trying to determine which program should play white and
which black. Not every program offers to set both, Master/Slave and the color.
IIRC, usually the program which is configured as Master, will play Black (?).
I'm not sure at the moment. But it should be able to figure that out. The steps
necessary to start a game will be the same always, more or less.

Btw. if your computers don't have the same speed and you think about *speed
compensation*: That's also a bit tricky. If you calculate what additional time
one side gets during pondering (average), don't forget it's the average per move
of the *opponent*... I calculated that in about 1/3 of the moves, pondering will
guess the reply correctly. Which means that in 1/3 of the moves, one program
will get opponents thinking time in addition to it's own...

It may be necessary to disable ponder on the faster computer, to achieve fair
conditions (if the speed difference is big). I played with 40/15:00 with ponder
on P2/333 against 40/8:00 without ponder, on P3/700. This should give roughly
the same amount of CPU clock cycles per move on both machines (I didn't
cross-check the calculation now).

Regards,
M.Scheidl



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