Author: David Dahlem
Date: 11:37:30 09/26/03
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On September 26, 2003 at 12:22:27, Alexander Yates wrote: >I've tested H9 against H8 in 4 engine matches. These were all blitz games @ 4+2. > >Hiarcs 9 did _poorly_ using its own book against Hiarcs 8 using its tournament >book. It lost with 10 W 18 L 22 D! >When they both used the H9 native book, H9 did only marginally better then H8, >and the same held true when H9 used the H8 Tour. book against H8 using the H9 >book. > >Then they both used the H8 Tour. book and again H9 did only slightly better. > >Conclusion after 200 games, H9 @ Blitz is _no_ stronger then H8! No real rating >gain...this is truly a disappointment, as I expected no less then a 50 pt. gain. > >Then I did one last match, same time controls, 50 games, using the H8 Tour. book >and played it against Hiarcs 8 Bareev, using the H8 Tour., and to my >surprise Hiarcs 8 Bareev won with a score of 19 W 9 L 22 D! > >IMO, at least at blitz, Hiarcs 8 Bareev is at least 50 pts. stronger than Hiarcs >8, while Hiarcs 9 failed to live up to its (my) expectations, and is >roughly even with Hiarcs 8. > >Hopefully, others here will test H9 against H8 and also test H8 Bareev against >both H8 and H9. > >It won't surprise me in the least, if Hiarcs 8 Bareev is the strongest engine of >the three...so far it appears it is! > >Of course this is blitz and running on the same machine. So two computer tests >may show different results. > >Still, my findings came as a surprise and I'm certain that Hiarcs 9 needs an >optimized book, as the default book didn't do it any favours. > >ChessBase are you listening? > > >Alex You can't draw any conclusions based on such fast time controls. Try testing at longer time controls to get more accurate conclusions! Dave
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