Re: Réf. : [Bug-gnubg] Understanding the stats

[Albert Silver]

I hope this is readable.

                                     Opponent                    Me
Chequer Play Statistics:
Total moves                           159                  162
Unforced moves                        126                  140
Unmarked moves                          0                    0
Moves marked good                     137                  140
Moves marked doubtful                   7                   14
Moves marked bad                        8                    4
Moves marked very bad                   7                    4
Error rate (total)                    -2.013 ( -3.049)     -1.595 ( -2.896)
Error rate (per move)                  -16.0 ( -0.024)      -11.4 ( -0.021)
Chequerplay rating                    Intermediate         Advanced

Luck Statistics:
Rolls marked very lucky                 3                    3
Rolls marked lucky                     12                   10
Rolls unmarked                        132                  139
Rolls marked unlucky                   11                    7
Rolls marked very unlucky               1                    3
Luck rate (total)                     -1.394 ( +0.800)     -0.545 ( -0.242)
Luck rate (per move)                    -8.8 ( +0.005)       -3.4 ( -0.001)
Luck rating                           None                 None

Cube Statistics:
Total cube decisions                  107                  110
Close or actual cube decisions         11                   20
Doubles                                 6                    4
Takes                                   4                    5
Passes                                  0                    1
Missed doubles (below CP)               0                    0
Missed doubles (above CP)               0                    3 (-0.301
( -0.301))
Wrong doubles (below DP)                4 (-0.729 ( -0.729))   1
(-0.383 ( -0.765))
Wrong doubles (above TG)                0                    0
Wrong takes                             3 (-0.806 ( -1.058))   0
Wrong passes                            0                    0
Error rate (total)                    -1.535 ( -1.787)     -0.684 ( -1.066)
Error rate (per cube decision)        -139.6 ( -0.162)      -34.2 ( -0.053)
Cube decision rating                  Awful!               Beginner

Overall Statistics:
Error rate (total)                    -3.548 ( -4.836)     -2.278 ( -3.962)
Error rate (per decision)              -25.9 ( -0.035)      -14.2 ( -0.025)
Equiv. Snowie error rate               -11.1                 -7.1
Overall rating                        Casual player        Intermediate
Actual result                          +3.000               -3.000
Luck adjusted result                   +1.958               -1.958
Advantage (actual) in ppg             +0.4286              -0.4286
95% confidence interval (ppg)          3.1388               3.1388
Advantage (luck adjusted) in ppg      +0.2797              -0.2797
95% confidence interval (ppg)          0.9709               0.9709



On 9/22/06, Christian Anthon <address@hidden> wrote:
> Albert, could you provide the full statistics. That should make things
> a bit clearer.
>
> Ian, I don't think the luck is normalised to cube=1, and so it may be
> that Albert made his errors at higher cube values.
>
> Christian.