Author: Enrique Irazoqui
Date: 13:57:12 04/27/00
Go up one level in this thread
On April 27, 2000 at 16:43:08, Bertil Eklund wrote: >On April 27, 2000 at 12:28:38, Enrique Irazoqui wrote: > >>On April 27, 2000 at 12:20:10, blass uri wrote: >> >>>On April 27, 2000 at 11:48:24, Enrique Irazoqui wrote: >>> >>>>On April 27, 2000 at 02:16:48, Chessfun wrote: >>>> >>>>> >>>>>All games on one Cel 433. >>>>>Ponder=off. >>>>>Tablebases used at 25 and longer. >>>>>Nunn 1 positions. >>>>>No opening books are loaded. >>>>> >>>>> 1 min game Fritz 6a 14.5 - 5.5 Crafty 17-10 >>>>> 2 min game Fritz 6a 14.5 - 5.5 Crafty 17-10 >>>>> 3 min game Fritz 6a 13.0 - 7.0 Crafty 17-10 >>>>> 5 min game Fritz 6a 15.5 - 4.5 Crafty 17-10 >>>>>10 min game Fritz 6a 13.0 - 7.0 Crafty 17-10 >>>>>25 min game Fritz 6a 13.0 - 7.0 Crafty 17-10 >>>>>60 min game Fritz 6a 15.5 - 4.5 Crafty 17-10 >>>>>Tourney times Fritz 6a 14.5 - 5.5 Crafty 17-10 >>>>> >>>>>Once I figure out how to autoplay from the Nunn 1 opening >>>>>positions I will play all games with ponder=on. >>>>> >>>>>Thanks. >>>> >>>>I find what you are doing very interesting, not so much concerning the relative >>>>strength of Fritz and Crafty, which a series of matches between them can't >>>>determine anyway, but regarding testing procedures. >>>> >>>>I ran 2 similar matches myself between Crafty 17.10 and Fritz 6a in the GUI of >>>>Fritz 6a, with the General book of F6 (Alex Kure), tablebases on (2.6 GB of the >>>>Turbo CDs) and 4MB hash for each engine. The first match was played on 2 P600E, >>>>Game/1 minute, ponder on. The second, on a single P600E, ponder on and game/2 >>>>minutes, since each program is using 50% of the CPU. >>>> >>>>In the first match, Fritz 6a won 15-5, which is consistent with your 14.5-5.5 >>>>and seems to indicate that ponder off doesn't hurt Crafty more than Fritz. >>> >>>I cannot compare between your match and the nunn match because the positions are >>>not the same. >>> >>>I guess that ponder off does not hurt crafty more than Fritz but to prove it you >>>should use the same positions. >>> >>>It is better to use something like the nunn match in every test otherwise the >>>lucky program with the choice of the opening has advantage. >>>You can use different positions and not have to use the nunn positions but every >>>program should play the same positions with white and black. >>> >>>Uri >> >>I find interesting this series of matches because they may tell us something >>about the value of ponder on/off, playing on 1 or 2 machines, blitz vs. slow >>games. About using the Nunn positions, I think that they are useful to avoid >>randomness and to measure engines instead of books, but maybe we can achieve the >>same by using the same book for both engines, as I did. So far, my results and >>Chessfun's are pretty consistent. >> >>Instead, there is lack of consistency between these blitz results and the SSDF >>match at 40:2 that Fritz wins so far by 15-10, or 60% instead of the 75% of the >>blitz matches. >> >>Enrique >Hi! > >One of the reasons could be that they use a similar book. If you use the same >book, or nearly the same I believe the results can be more even. I have been using exactly the same F6 General book for Crafty and for Fritz, and Chessfun is using the Nunn positions, so this can't be the reason. Enrique >Bertil
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