Author: Dieter Buerssner
Date: 11:03:38 01/06/02
Go up one level in this thread
On January 06, 2002 at 13:12:48, James T. Walker wrote:
>Here is a portion of a logfile from Yace 0.99.56.
>
>move c1c2
>white (28): Kc2
>Hint: Rd8
>
>{I guess that Yace is now pondering the move Rd8 by it's opponent here}
Correct.
>9 0 287 1580390 b3 d4 Re4 Ra8 a4 Bc6 bxc4 Bxe4 Bxe4 Ne1+ Kd1
>pondering: input: time 17994
>pondering: input: otim 19794
>pondering: input: d7a4
>
>{Here is the part I don't understand. Since the opponent did not play Rd8 but
>played d7a4, I expected yace to immediately stop pondering the Rd8 move and
>start over.
Yes, it does this, even when it does not look like it at the first.
> But it looks to me that Yace continues below for another 2.37
>seconds of pondering the Rd8 move in the 9th ply.
No. Actually about these 2.37 seconds after the last PV was posted, the new move
was input by the GUI.
> It then spits out a PV and a
>lot of statistics before starting to calculate it's next move. Is this correct
>???}
It immediately repeats the current PV, and (for the log file only) also slightly
reformats it. It does not make much a difference here, but it would break longer
PVs up into lines, that fit inside conventional 80 columns width editor windows.
Then it shows the statistics (also only in the log file).
>
>9 0 524 2821003 b3 d4 Re4 Ra8 a4 Bc6 bxc4 Bxe4 Bxe4 Ne1+ Kd1
You can see, that this is just the same as above, only the nodes and time are
updated. The idea of this repetition is: Some GUIs may not show PVs soon posted
after the search started. So, this should guarantee, that at least one PV is
seen.
> 2821003 5.242 0.00 9f. b3 d4 Re4 Ra8 a4 Bc6 bxc4 Bxe4 Bxe4 Ne1+ Kd1
>2821003 Nodes, 31.08% Leavenodes, 538154 Nodes/sec
>1921352 eval, 47.48% score, 8553951 genmoves, 15.35% captures le 356/238
>ext: pawn 4583, rcp 11019, chk 66885, repchk 13348, null 27, prune 174350
>htable: 2136321 store, 0 rejected, 2780152 probe, 37.6% f/p, 49.0% f/s
>entries 8333331 age 43 renew 0
>egtb probes 0, found 0 max_depth 29
Regards,
Dieter
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