Author: Eugene Nalimov
Date: 10:37:24 09/28/01
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DTM, not DTC. After capture or promotion resulting position is stored in the other TB, not in the current one. Eugene On September 28, 2001 at 12:38:55, Mike Hood wrote: >Thanks for the reply, Eugene. I'm willing to accept I may be wrong, but how do >you explain the discrepancies I named? > >Mike > >On September 28, 2001 at 11:11:33, Eugene Nalimov wrote: > >>There is no bug in TBSTAT, and statistics is correct. >> >>Eugene >> >>On September 28, 2001 at 08:27:37, Mike Hood wrote: >> >>>On September 19, 2001 at 04:23:39, Les Fernandez wrote: >>> >>>>Has anyone tabulated the total win-lose-draw-broken positions for first the 3 >>>>then 4 and then the 5 piece sets? I know that the information is available on >>>>Bobs ftp site but hoping that someone has already done it for both WTM and BTM >>>>so I dont have to do them one by one. >>>> >>>>ie: >>>> >>>>EGTB WINS LOSE DRAW BROKEN >>>> >>>> 3 >>>> 4 >>>> 5 >>> >>>This is theoretically possible, but not very sensible at the moment. Most of the >>>TBS files on Robert Hyatt's ftp server are defective, probably due to a bug in >>>TBSTAT. >>> >>>For instance: >>> >>>krrk.tbs -- On black's move there are 1032 positions that lose in 16, but on >>>white's move the longest mate is Mate in 7. >>> >>>kqrkr.tbs -- On black's move there are 60 moves that are Mate in 5, but there >>>are ZERO moves that are Mate in 4. >>> >>>kbpk.tbs -- On white's move there is 1 position that is Mate in 31, but there >>>are ZERO moves that are Mate in 30. >>> >>>In most of the TBS files the number of broken positions is not listed. >>> >>>Over 50% of the TBS files are obviously defective, and I can't vouch for the >>>validity of the others. And, to ask a naive question, shouldn't the number of >>>Mates/Losses/Draws in a pawnless tablebase always be divisible by 4? >>> >>>I've reported the bug to Eugene by email a few weeks ago, but it hasn't been >>>fixed yet. >>> >>>Mike >>> >>>**** Dansez de la apusul pana la rasaritul soarelui ****
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