Author: STEPHEN A. BOAK
Date: 19:17:35 01/07/99
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On January 07, 1999 at 03:48:28, blass uri wrote: > >On January 07, 1999 at 02:12:55, Ricardo Sant Ana wrote: > >>Does anyone know the results of rebel10b upgrade agaisnt rebel10 from original >>CD ? I heard that the first algorithms from Tiger was already implemented in >>Rebel10 giving Rebel10 2-3 times faster search algorithm. So, what are real >>results of it ? Is there a match Rebel10 x Rebel10b ?? Can anyoone post the >>results ? > >I read that Rebel10 b is not 2-3 times faster >The 2-3 times faster Rebel is not commercial > >Uri Uri, I always enjoy your posts--thanks for sharing your thoughts and ideas. It is true that the 2-3 times faster Rebel is not part of the commercially sold, full Rebel 10, 10a or 10b software versions. However, the special Rebel 10 chess engine (not Rebel 10 full program, not 10a, not 10b, but a special engine only) for use with ECTool is said by Rebel or Schroder to include 2-3 times faster algorithms based on what has already been learned from Chess Tiger. I was already a paid and registered ECTool owner (necessary to allow use of Rebel 9 or Rebel 10 special analysis engines for ECTool) and I downloaded the special Rebel 10 engine for ECTool, free as part of my Rebel 10 subscription. From my experience in analyzing many games using ECTool and the special Rebel 10 engine, the Rebel 10 special engine is indeed faster than the Rebel 10, 10a or 10b full Rebel versions. It usually generates faster times for best lines at each ply level as it cranks away during position or game analysis. I do all my game analysis after OTB tournaments using the ECTool and Rebel 10 special engine, instead of the full Rebel 10b version--because it is faster. I haven't rigorously tested it, but I have compared it on a few positions. I'm not sure that it is faster in *all* positions, but it may be. The ECTool software has another analysis advantage over the full Rebel 10 software in that it allows the user to mark multiple selected moves in the game score with an asterisk and then, upon request, it will analyze only the asterisked moves in the game. It does this automatedly, skipping the moves without an asterisk. Thus it will spend time only on the moves you wish to be analyzed, not on all moves from some initial position until the end of the game. This avoids wasting analysis time on routine recaptures and other obvious or uninteresting moves. I recommend that people interested in Rebel products spend some time reading the many screens on the Rebel website. There is a lot of material there, and much interesting stuff. And, the Rebel bulletin board is a better site to discuss Rebel specifically with other users or get an answer from the Rebel Support team. --Steve
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