Author: Frank Quisinsky
Date: 09:01:49 03/03/04
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On March 03, 2004 at 09:11:52, Robert Allgeuer wrote: Hi Robert, maybe you can add your results in our Arena Support Forum. Per-Ola read our forum! The opening book in the directory of my CD is not the best book for Ruffian. I made here a mistake. The best books for Ruffian are Book 2 and Book 4 on my CD. With Book 4 Ruffian have very good results. I read here different results to the newer Ruffian versions 2.0.2 and 2.1.0. Results from Ruffian 2.1.0 in blitz should be better (have not try it). With 40 moves in 10 minutes an d 40 moves in 20 minutes I have clearly stronger results with Version 2.0.2. I am sure with more time are the results from Ruffian better. Ruffian is strong in blitz but stronger with longer time controls. Thanks for your impressions, very interesting! Best Frank >I have compared several Ruffian version in a kind of qualification tournament >for my YABRL Blitz rating list (see >http://f11.parsimony.net/forum16635/messages/62408.htm for latest published >list). > >Conditions: >Time control 300+2, all 3,4 and 5 men EGTB, hash 96MB, ponder off, Athlon >1.1GHz, Win2k, Winboard and WBTM tourney manager 0.60, Elostat 1.1b > >Participants: >Ruffian 1.0.1 with 1.0.1 book >Ruffian 2.0.0 with 2.0.0 book >Ruffian Leiden with the Leiden book >Ruffian 2.0.2 with 2.0.0 book >Ruffian 2.1.0 with 2.0.0 book >Ruffian 08.02.2004 (this is a beta version before release before 2.0.2 and >2.1.0) with 2.0.0 book > >and as opponents: >Smarthink 0.17a >Gromit 3.8.2 >Thinker 4.5b >Crafty 17.14DC >Crafty MPC >Aristarch 4.37 > > >All versions of Ruffian have played matches of 20 games each against each other >and against each opponent (Ruffian 1.0.1 had one duplicate game which was >removed). > > >Results: > > > Program Elo + - Games Score Av.Op. Draws > > 1 Ruffian 08.02.2004 : 2722 39 36 220 61.6 % 2640 37.7 % > 2 Ruffian Leiden : 2713 40 35 220 60.2 % 2640 38.6 % > 3 Ruffian v2.1.0 : 2703 41 35 220 58.9 % 2641 37.7 % > 4 Ruffian v2.0.2 : 2695 42 31 220 57.5 % 2642 45.0 % > 5 Ruffian v2.0.0 : 2664 45 31 220 52.7 % 2645 41.8 % > 7 Ruffian v1.0.1 : 2650 47 32 219 50.5 % 2646 37.9 % > > >Observations: >1. This applies of course only to the conditions of this test (Blitz etc.) >2. Ruffian 2.0.0 appears to be stronger than the free Ruffian 1.0.1, although >only a bit. In this test it is 14 ELO points, in my more accurate YABRL rating >list - after more than 800 games each - it is 28 points. >3. Ruffian Leiden and the newer versions (2.0.2, 2.1.0 and 08.02.2004) are >stronger than version 2.0.0. However, they are close to each other and it >appears difficult to determine which of them is indeed the strongest. >4. When looking at the results of version 2.1.0 in more detail, it becomes >apparent that it scores consistently less than the other Ruffian versions >(except 1.0.1), but "saves" its high rating only by scoring high in the direct >matches against Ruffian 2.0.2 and 08.02.2004. Nevertheless 2.1.0 appears to be >the weakest of the new Ruffian version in matches against other non-Ruffian >engines. >5. From the characteristics of its results it becomes apparent that 08.02.2004 >is a (late) beta version of Ruffian 2.0.2 (and not 2.1.0). It would be highly >interesting, whether this version is in fact identical to 2.0.2 (the measured 27 >points difference in strength are within the error margin) or there were some >changes made before release of 2.0.2, which might have decreased 2.0.2's playing >strength. >6. The Leiden version seems to be one of the strongest. Version 2.0.2 is a >bug-fix version of 2.0.0 and some 30 points stronger than 2.0.0. If I had a >wish, I would ask for a bug-fix Leiden version; that one would most probably be >the strongest Ruffian of all. > >Robert
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