[Bug-gnubg] Analysis result

[Peter Steinleitner]

Player Y has a better Cubeplay Statistics/decision (supernatural) and a
better Checkerplay Statistics/move than Player X, both have 20 Unforced
moves and 28 Total moves. But in the Overall Statistics Player X has a lower
error rate/decision. How is this possible?

                                     X               Y
Chequer Play Statistics:
Total moves                            28                   28
Unforced moves                         20                   20
Unmarked moves                          0                    0
Moves marked good                      24                   24
Moves marked doubtful                   2                    2
Moves marked bad                        1                    1
Moves marked very bad                   1                    1
Error rate (total)                    -0.509 (-12.523%)    -0.412 (-10.466%)
Error rate (per move)                   -25 ( -0.626%)       -21 ( -0.523%)
Chequerplay rating                    Casual player        Casual player

Luck Statistics:
Rolls marked very lucky                 1                    1
Rolls marked lucky                      1                    1
Rolls unmarked                         23                   25
Rolls marked unlucky                    2                    1
Rolls marked very unlucky               1                    0
Luck rate (total)                     -1.370 (-33.557%)    +0.761 ( +9.571%)
Luck rate (per move)                    -49 ( -1.198%)       +27 ( +0.342%)
Luck rating                           Better luck next tim Good dice, man!

Cube Statistics:
Total cube decisions                   28                    5
Close or actual cube decisions         12                    1
Doubles                                 0                    1
Takes                                   1                    0
Passes                                  0                    0
Missed doubles (below CP)               1 (-0.066 ( -1.680   0
Missed doubles (above CP)               0                    0
Wrong doubles (below DP)                0                    0
Wrong doubles (above TG)                0                    0
Wrong takes                             0                    0
Wrong passes                            0                    0
Error rate (total)                    -0.066 ( -1.680%)    +0.000
Error rate (per cube decision)           -5 ( -0.140%)        -0
Cube decision rating                  Expert               Supernatural

Overall Statistics:
Error rate (total)                    -0.575 (-14.203%)    -0.412 (-10.466%)
Error rate (per decision)               -18 ( -0.444%)       -20 ( -0.498%)
Equiv. Snowie error rate                -10                   -7
Overall rating                        Intermediate         Casual player
Actual result                          -50.00%              +50.00%
Luck adjusted result                    -6.87%               +6.87%
Luck based FIBS rating diff.          -138.72
Error based abs. FIBS rating          1605.6               1693.7
Chequerplay errors rating loss         440.6                356.3
Cube errors rating loss                  3.8                  0.0