Here are the details I promised of my last (very badly played) 
tournament.

I would welcome comments on the discrepancies in the comparison, and 
particularly on the large discrepancies in comparison of individual 
moves. 

Adding the normal manually-calculated (from Maven suggestions) 
endgame figures to the Quackle kibitzer figures up to but not 
including the endgame, the comparisons look like this.

Game 1)   Maven sim          121
           Quackle kibitz     140

Game 2)   Maven sim          131
           Quackle kibitz     124

Game 3)   Maven sim          174
           Quackle kibitz     157

Game 4)   Maven sim          149
           Quackle kibitz     118

Game 5)   Maven sim          48   (so it wasn't all bad)
           Quackle kibitz     20

Game 6)   Maven sim          61
           Quackle kibitz     70

The averages over the 6 games are Maven 114, Quackle 105.

What bothers me most is the discrepancy in some of the individual
move equity losses.

Here are a few examples:

Maven Quackle
43      55
21      34
16       9
41      30
8       20
14      28
1       10
9        0
0       15
19       0

The suggestion was made on UK-S that it is not necessary to sim 
every move and that experience should be enough to tell you which 2 
or 3 moves need simming. In response to that I posted the following 
details of my fifth game at Shipley last Sunday, v Darryl Francis. 
I asked, "Without reference to anything but the Quackle kibitzer, 
which moves would you consider it necessary to sim?" 


Darryl                         Pete
Change 5    -       0    0    ALRRUWZ   LUZ        G8a    24   24
QUIVER      H7d     19   19   ARRWIED   QUIVERIER  H7d    63   87
TREACLY     F11a    24   43   ADRWAOO   AROW       L12a   32   119
ICY         J10d    10   53   ADGINOR   ORGANDIE   A14a   78   197
MOOI        A12d    27   80   BEIMNTT   WEMB       O12d   33   230
SPOUSInG    C7d     74  154   INTTOGN   INGOT      D8d    30   260
AXIL        F13a    40  194   NTBANTE   BANT       E5d    17   277
aDVANCE     B2d     88  282   ENTSANE   NONE       N11d   18   295
FaTED       A1a     27  309   AESTPEE   PEE        A7d    20   315
VOGUE       B3a     18  327   AESTJSW   JEW        F2d    29   344
HO          F6d     28  355   AESSTAI   SETA       G3d    27   371
REF         M12d    26  381   ADEIIRS   DI         H4d    16   387
KO          A4d     24  405   AEIRS     ARISE      I1d    17   404
             - HAULT -8  397                               +8   412

The suggested response was the first move, the third and maybe one 
or two more.

Here is the move-by-move comparison of a Maven sim and a Quackle 
kibitz.

               Maven sim    Quackle kibitz
LUZ           Best          Best
QUIVERIER     Best          Best
AROW          Best          Best
ORGANDIE      Best          Best
WEMB          Best          Best
INGOT         Best          Best
BANT          -5.82         -5.6
NONE          -9.46         -3.8
PEE           Best          -2.6
JEW           -6.26         Best
SETA          -18.57        Best

Endgame moves (manual calculation)
DI            -8.0
ARISE         Best

My contention is that the kibitzers of both Maven and Quackle are
not reliable enough for us to accept their estimates without
simming. It would be interesting to see a comparison of a Maven sim
with a Quackle sim. Perhaps someone for whom Quackle runs fast could
do one to compare?

Pete 






 
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