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Subject: Re: Match Hiarcs6 Mac - MacChess 5.0

Author: Hans Havermann

Date: 12:02:36 01/15/99

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On January 14, 1999 at 17:39:05, Will Singleton wrote:

>Seems like an excellent showing to me.  Was that on one machine or two?  Time
>controls?  Perm brain enabled?

One machine: I manually made the moves alternating the programs between
foreground and background. I believe I had permanent brain enabled.

The first two games were rather longish (40/120:20/60 and 40/40) and I noticed a
definite time-control problem as I switched between the two programs: Both
programs developed what they thought were considerable time-advantages. I just
played through the time-controls: The effect, if any, was just to give both
sides much more time to think than they might have had in a *real* game. Both
games ended in a draw.

For the third encounter, I tried playing a game at 60/15. This game turned out
to be a bit of a shocker. Just a few moves out of opening book, MacChess
encounters:

r3k3/1pq2pp1/1np1p1p1/p7/Pb1P2nr/1QNBP1P1/1P1B1P2/R4RK1 w q -

and plays gxh4. I now realized that at *this* time control, MacChess spent most
of its "thinking" time (on my 66 MHz 601-PPC card running inside a Mac IIvx)
only just barely clearing the transposition table (which was set at 32 MB).

I played the remainder of the games at 5 minutes per move.



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