Author: Tord Romstad
Date: 06:25:20 01/13/06
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On January 13, 2006 at 08:44:51, Pro Deo wrote: >Hi ! >A question-please: >What about the strength of this version of your engine ? As an author, I don't like giving very precise replies to questions like this concerning my own program. I have released a lot of versions of my own engine over the last couple of years, and I have seen many releases of engines by other authors. More often than not, the authors (including myself) are too optimistic. The results of the released versions are usually slightly inferior to the results in private, pre-release tests. I think the reason is that we all have our favorite conditions for testing. I, for instance, always play at a time control with an increment, I always play with pondering disabled, and I always disable opening books and learning. Even if no conscious tuning is done, it is hard to avoid that the engine gets optimised for the particular type of match settings you prefer. My time managment, for instance, probably works better in time controls with an increment than in old-fashioned x moves / y minutes time controls. When a new engine version is released, most testers will of course test it in conditions which are slightly different from the author's favorite test conditions. This means that the results will often be a bit worse than the author expected. Therefore, even though I have run hundreds of test games with versions very similar to Glaurung 1.0, I prefer not to post the results or my rating estimate. I leave the task of estimating the strength to independent testers. The best thing you can do at the moment is probably to have a look at the CEGT rating list: http://www.husvankempen.de/nunn/cegtrating4040best.html You will find Glaurung 051213, a one month old private version, on this list. I hope that Glaurung 1.0 is a little bit stronger, but the difference cannot possibly be very big. Patrick Buchmann has played some blitz games with Glaurung 1.0 beta 1, which is very similar to Glaurung 1.0: http://perso.wanadoo.fr/lefouduroi/tournois/tournois.htm The estimated rating in Patrick's test is on the level of Spike 1.0, but it's only 84 games, and I think Glaurung was rather lucky. Tord
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