Author: Jorge Pichard
Date: 11:47:33 06/25/03
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On June 25, 2003 at 13:39:47, Stephen Ham wrote: >On June 25, 2003 at 11:52:15, Eduard Nemeth wrote: > >>In this 15 Positions: I agree with You. >> >>I have beat easy Fritz 8 but against F7 no (see in archive my games). >> >>But: this 15 positions are not real FULL-FRC in my eyes! >> >>Eduard > >Dear Guys, > >This is indeed surprising. However, here's my uneducated opinions. > >I've noticed that at very fast time controls, such as this (15') that "weaker" >engines sometimes prevail. But the stronger engines clearly dominate at longer >time controls. In fact, in my tests, the difference grows with increased time. >Most of my test games are conducted with 75'-90' per engine/game. Then I've >never seen a "weaker" engine win any tournament from stronger ones. > >Why is this? Somebody made the comment above that F7 outsearched F8. Again, my >speculation is that F8 is "smarter" (I think I've read claims to this effect >from CB). So under these rapid time controls, it won't seach as deeply (all >things being equal) since its greater heuristics causes it to search in greater >detail, which slows it down. Being slower, it can't search as deeply (all things >being equal). Rapid games are usually won by tactics, so faster engines will >prevail over "smarter" ones, all things being equal. I agree with you, I should have said Fritz 7.0.0.8 in Blitz of less than 30 Minutes per side is a litle bit stronger than Fritz 8.0.0.8 due to the reasons that you stated above. Pichard >Here's a caveat: I'm probably the least informed poster here regarding chess >engines. Nonetheless, my experiences above seem to support my conclusions. >However, I can only speculate regarding the "why" of this issue. > >All the best, > >Stephen
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