Author: Dann Corbit
Date: 13:51:36 08/01/02
Go up one level in this thread
On August 01, 2002 at 16:34:10, Peter Berger wrote:
>I gave the position to Yace for a day.
>
>2809633279 15:34:24 -0.13 16. 1...Ra6 2.cxb4 Bxb4 3.Nc1 Be7 4.h3 Ra1 5.Bd2
> Raa8 6.Bc3 Rab8 7.Kh2 {HT} {0}
>input: exit
> 420554644 19:10:49 -0.13 16f. 1...Ra6 2.cxb4 Bxb4 3.Nc1 Be7 4.h3 Ra1 5.Bd2
> Raa8 6.Bc3 Rab8 7.Kh2 {HT} {0}
>420554644 Nodes, 870.08% Leavenodes, 6091 Nodes/sec
>560563882 eval, 482.94% score, 2597051296 genmoves, 159.55% captures le 640/814
>ext: pawn 13489484, rcp 248607563, chk 558173599, repchk 85749399, null 816563,
>prune 2301783257
>htable: 1517205022 store, 3077 rejected, 3636975885 probe, 91.8% f/p, 220.1% f/s
>entries 31999998 age 1 renew 0
>interior recognizer probes 1223, found 1223 egtb probes 0, found 0 max_depth 45
>black ( 1): input: quit
>
>PIV2200, 384MB Hash, the Nodes/sec looks like the counter doesn't like too long
>searches.
>
>I think Junior was simply "lucky" to find this move and that it was good.
I wonder what Amir/Shay have to say. I am curious about how Junior knew the
move was the best. At any rate I think Junior is possibly lucky, but also must
be good. Just a big {brainless} boost in passed pawn value would cause it to
get crunched most of the time, so I think something else is at play. Perhaps
they have a recognizer that knows *when* to boost the value of passed pawns.
In any case, it was a breathtaking move and I still marvel at it more than any
other move I have seen a chess program play.
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