Author: Andrew Dados
Date: 17:44:36 07/09/99
Go up one level in this thread
On July 09, 1999 at 17:58:03, Peter McKenzie wrote: >On July 09, 1999 at 06:14:17, Ernst A. Heinz wrote: > >>On July 08, 1999 at 13:14:55, Christian Goralski wrote: >> >>> Nimzo-Paderborn >>> >>>Verbesserungen gegenueber Nimzo99 >>> >>> [...] >>> >>>b) Eigene komprimierte Endspiel-Datenbank, auf die auch in der Ruhesuche >>>zugegriffen wird. Dadurch werden Abtaeusche in gewonnene Endspiele sehr >>>schnell gefunden bzw. Abtaeusche in verlorene vermieden >> >>Just for the record and information of interested chess programmers: >> >>The new endgame databases of "Nimzo-Paderborn" are based on the >>knowledgeable encoding technique as introduced by "DarkThought" and >>decribed in my article "Knowledgeable Encoding and Querying of Endgame >>Databases" in the ICCA Journal 22(2), pp. 81-97. >> >>Chrilly Donninger further advanced my published scheme in "Nimzo". >> >>>c) Zusaetzlich (zum Nullmove) neue selektive Suchtechnik (Details sind aber >>>Top-Secret). >> >>In Paderborn, Chrilly openly admitted to employ multi-cut pruning. >>Maybe this is the "top secret" method ... >> >>The bibliographic refernces for multi-cut pruning follow below. >> >>Bj"ornsson, Y. and Marsland, T.A. (1999). >>Multi-cut pruning in alpha-beta search. >>1st International Conference on Computers and Games, >>Proceedings, H.J. van den Herik and H. Iida (eds.), >>pp. 15--24, LNCS 1558, Springer, ISBN 3-540-65766-5. >> >>Bj"ornsson, Y. and Marsland, T.A. (1998). >>Risk management in game-tree pruning. >>Technical Report TR 98-07, Department of Computing Science, >>University of Alberta. > >Perhaps someone could post a brief overview of what Multi-cut pruning is? >I've never heard of it before... There is a nice paper by M.Buro concerning M-ProbCut pruning (however applied to Othello). You may get it online at http://www.neci.nj.nec.com/homepages/mic/ps/improve.ps.gz I get a feeling null move concept is not far from multi-cut... -Andrew- > >> >>=Ernst=
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