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Subject: Re: Result (with ponder play Crafty in this game not better)

Author: Harald Faber

Date: 01:44:38 09/01/99

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On August 31, 1999 at 19:09:50, Frank Quisinsky wrote:

>Hello Robert,
>
>Result:
>~~~~~~~
>
>Time from Zarkov (WinBoard debug file)
>
>The game Zarkov - Crafty
>See post from yesterday, PGN and log file from Crafty !
>
>AMD K6-3 450 MHz, WinBoard 4.0.3, Ponder = OFF,
>Crafty 24/8 MB Hash, Zarkov 8 MB Hash
>40 moves in 40 minutes !
>Game from WT-5 tournament !
>
>I replay the game (Crafty with ponder = on)
>40 moves in 40 minutes !
>
>Result:
>
>2 other moves !


*1* single different move can change the whole game and result!


>Of course not enough analyses, but I make
>this analyses with many programs and I can
>not see that ponder is 50-100 ELO !
>
>Not more than 20-40 ELO (ponder = off) and
>10 ELO for an other time manangment !
>
>Kind regards
>Frank

Really hard to say.
1 different move cannot change a win into a double win. :-)
It even can change it to a draw or loss like it can change a draw to loss or win
or a loss into a draw or a win.
Very time extensive to find that out.
And the negative effect (played move X without ponder which is much better than
move Y with ponder) is certainly not because of ponder but because of search
depth+eval or didn't get Crafty to ply+n with ponder?

BTW your English is really....improvable. ;-)



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