Author: Brian Katz
Date: 20:40:18 03/01/03
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On March 01, 2003 at 19:50:05, Mike Hood wrote: >On March 01, 2003 at 19:30:05, Brian Katz wrote: > >>On March 01, 2003 at 08:32:27, Mike Hood wrote: >> >>>The Nalimov endgame tablebases can be downloaded for free from Bob's ftp site, >>>but I suppose it's nice to be able to buy them from Chessbase if you're without >>>the Internet or have a slow connection. However, I don't see the point in >>>offering a selection of the "most important" 5-piece tablebases. I think that >>>the collection should be sold complete or not at all. After all, the most >>>important endgame to me is usually the one that cropped up in my last club >>>match, and Chessbase has no way of knowing that. >>> >>>Just my opinion..... >> >>I purchased the 9 Disk set of Nalimov Tablebases from this very site. >>There are a few 5 piece endgames missing. The missing 5 piece endgames are >>ridiculous endgames like KQRN vs K KQQQ vs K and some other endgames with King >>and 3 pieces vs a King or KRPP vs K. > >Well, yes... most Kxxx vs K endgames are useless by themselves, since chess >programs would have no trouble finding a win by calculation once these positions >arise. However, I find tablebases like KQRN-K valuable to speed up the search >during probing. If a search branch is found with only these five pieces on the >board the engine can return the "Mate in N" value from the tablebase and then >spend time examining other branches instead of wasting time going deeper into >this branch. I suspected that would be the case and that is why I ended up generating the missing 26 endgames. I have plenty of space on my harddrive. My Tablebase folder is over 7 gig. I have an 80 gig harddrive and I still have well over 50 gig of empty space. It will be a long time if ever at all, before I use up most of the empty space. Plus this computer is used primarily for chess anyway, so why not just enjoy it. It is a great learning tool. It is kind of fun to have all of the Tablebase endgames. Brian Katz
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