[computer-go] 13x13 study.

[Don Dailey]

If you look at the table you will notice that going from level 4 to
level 11 (which is 7 doublings  and should take 128X longer)  only takes
59.43 X longer.

Some possible hypothesis:

   1. Computer more loaded during early games?   
   2. Mogo resigns earlier at longer levels.
   3. Mogo's "stop early" heuristic works better at longer levels. 


PLAYER        TIME/GME   RATING  GAMES     WIN%     Total games: 1028
------------  --------  -------  -----  -------
Mogo_13_11      645.36   2493.2     59    86.44   Mogo at 131072 play-outs
Mogo_13_10      367.31   2322.5     60    63.33   Mogo at 65536 play-outs
Mogo_13_09      194.76   2231.1    141    66.67   Mogo at 32768 play-outs
Mogo_13_08      109.11   2103.8    122    49.18   Mogo at 16384 play-outs
Mogo_13_07       79.86   2010.1    125    51.20   Mogo at 8192 play-outs
Mogo_13_06       39.13   1823.0    130    34.62   Mogo at 4096 play-outs
Gnugo-3.7.11    137.56   1800.0    297    68.69   Gnugo level 8
Mogo_13_05       19.80   1741.7    116    42.24   Mogo at 2048 play-outs
Mogo_13_04       10.86   1629.1    266    38.72   Mogo at 1024 play-outs
Mogo_13_03        5.29   1398.4    238    55.46   Mogo at 512 play-outs
Mogo_13_02        2.90   1198.9    276    57.97   Mogo at 256 play-outs
Mogo_13_01        1.69    909.9    226    12.39   Mogo at 128 play-outs


- Don


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