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Subject: I see Ruffian is the ONLY program that shows opening database statistics

Author: Andrey Popov

Date: 02:52:01 04/30/05

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I see Ruffian is the ONLY free program that shows the number of wins, draws and
losses in its database. It was made from many GM games and used as an opening
book.
Of course, many other program made their books from collections of GM games.
Nevertheless, they do not show this kind of statistics.
For example, Yace shows something like the following:
Nf3        flags   0 original count  92633 count  92633   10.8%
e4         flags   0 original count 366549 count 366549   42.8%
d4         flags   0 original count 312000 count 312000   36.5%
c4         flags   0 original count  69176 count  69176    8.1%
f4         flags   0 original count   1705 count   1705    0.2%
b4         flags   0 original count    490 count    490    0.1%
g3         flags   0 original count   8925 count   8925    1.0%
d3         flags   0 original count    243 count    243    0.0%
b3         flags   0 original count   2775 count   2775    0.3%
Nc3        flags   0 original count    896 count    896    0.1%
e3         flags   0 original count    198 count    198    0.0%
a3         flags   0 original count    108 count    108    0.0%
g4         flags   0 original count     51 count      0    0.0%
c3         flags   0 original count     95 count      0    0.0%
Nh3        flags   0 original count     11 count      0    0.0%
h3         flags   0 original count     61 count      0    0.0%
h4         flags   0 original count     10 count      0    0.0%
So it does not show the number of wins, draws and losses for each move.



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