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Re: "Fair" comparisons

Posted by Olaf Vancura on Tuesday, 13 January 1998, at 4:43 p.m., in response to "Fair" comparisons, posted by Steve Heston on Tuesday, 13 January 1998, at 4:07 p.m.

Steve's point is true to some degree.

K-O with 17 rounded plays performs almost as well as K-O with 45 _unrounded_ plays.

The same will not be true for systems with a high playing efficiency.

Effectively, the figure in our book (showing gain as a function of counting strategy) rises and turns over fairly rapidly. Other systems (most notably balanced ones) will not turn over as quickly.

So there are two effects here, and LL has chosen a point in between what's best for K-O and others. LL's choice of 40 index plays, I think, is quite fair. K-O would have fared even better had he chosen only 16 or so, something reminiscent of Schlesinger's Ill 18 which is used by a lot of folks.

This of course avoids the issue of more errors with a more complex count. On this issue, learned men have begged to differ, so I won't start a new war here.

Olaf


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