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Subject: Re: Endgame frequencies in practical play?

Author: Ricardo Gibert

Date: 08:04:26 06/24/99

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On June 24, 1999 at 02:30:42, Nicholas Cooper wrote:

>Hello all,
>
>I was just wondering how often each type of ending might occur in practical
>play? For instance, KRP-KR is very frequent but what of the others? Does anyone
>know what the relative frequencies are for the various endings- let's say just
>the five piece endings. How many times does KQP-KQ arise, and what of KNP-KN,
>KBP-KB etc. etc. etc.???
>
>If anyone has a large (say 1M games) database of games and the endings key
>"Finale" or something similar (which I have only heard of), would they mind
>generating a few statistics to get an idea of the prevalence of the endings?
>
>Any help is greatly appreciated.
>
>Regards,
>
>Nick Cooper :)

I got this from the Soltis book called Grandmaster Secrets: Endings.  It isn't
exactly what you asked for but I hope it helps.

                      - PERCENTAGE OF ALL ENDGAMES -

Tournament              R+Ps  R+[B|N]+P(s)   N vs B    Q    N    B    B    P
                                                                same opp
-----------------------------------------------------------------------------
Karlsbad 1911           19       30             5     14    3    4   .7   1.5
Moscow 1936             26       26            14      9    3    3    3    3
Santa Monica 1966       20        3             9      6    6    3    3    3
Leningrad 1973          26       29             6     12    3    0    3    3
Wijk aan Zee 1975       14       30             8     10   14    3    0    0
First four Kasparov-    21       54             6      9    2    2    0    0
   Karpov Matches
US Championship 1993    19       26             8     22    0    0    4    0



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