Author: David Dahlem
Date: 07:19:22 09/15/04
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On September 15, 2004 at 10:02:13, Peter Berger wrote: >On September 15, 2004 at 09:52:04, David Dahlem wrote: > >>>1. g4 is in ECO. 1. f3 2. Kf2 is in ECO. >>> >>>They are _definitely_ oddball. >> >>Yes, these two examples are not the norm, i agree. And there are not any lines >>like this in the books i use for testing engines. BUT, if each engine plays the >>black and white side of these lines, it's still a fair match. >> >>Regards >>Dave > >Depends on what you call fair. If you start with 1. e4 e5 2. Bc4 Nc6 3. Qh5 Nf6 >as opening line and do a match between Shredder and TSCP it will end as a draw. > >I would expect a similar though weaker effect when you start with 1. f3 and 2. >Kf2. > >And you can probably still observe it though much weaker again if you start your >games with 1. e4 e6 2. d4 d5 3. Nc3 Bb4 or 1. d4 Nf6 2. Nf3 e6 3. c4 c5 , >perfectly valid lines, but known to not be understood well by computers. > >Peter Yes, but a match between two engines playing both sides of these last two lines could tell you which engines undertands the lines the most or least, which is one small measure of strength. After all opening book moves are exhausted, millions of unpredictable positions are possible, many that computers will not understand. But computers, just like humans, have to "think" in these positions. :-) Regards Dave
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