Statistik Original Extra Sharpen

All solvers performed better with original than sharpen
All solvers solved 51, 57-65, 68,73, 76, 77SL, 78-83 and 86 both original and sharpen
All original levels were solved by at least one solver.
8 sharpen levels were solved by none of the solvers.
JSoko and YASS failed to solve the original 71X but solved sharpen.

2017-20-08 Solver statistics for Original Extra Sharpen

J = JSoko
S = Sokolution
T = Takaken
Y = YASS

F = Failed/Unsolved

       | Original                  | Sharpen                   |
Level  | J  S  T  Y  Moves  Pushes | J  S  T  Y  Moves  Pushes |
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51X    |              328    333   |              379    =     |
52X    |    F     F  1437   1563   | F  F  F  F  1699   1769   |
53X    |              509    532   |          F   604    652   |
54X    |              521    553   | F            711    984   |
55X    |              346    358   | F  F     F   432    436   |
56X    |              527    563   | F            650    660   |
57X    |              540    550   |              537    578   |
58X    |              554    570   |              863    877   |
59X    |              582    703   |              612   1037   |
60X    |              380    400   |              469    =     |
61X    |              728    749   |              959    982   |
62X    |              630    646   |              645    =     |
63X    |             1017   1081   |             1502   1550   |
64X    |              963    971   |              977    991   |
65X    |              609    645   |              776    818   |
66X    | F  F  F      935   1013   | F  F  F  F  1002   1074   |
67X    |             1003   1035   | F  F  F  F  1209   1277   |
68X    |             1083   1147   |             1326   1340   |
69X    | F  F  F     1239   1277   | F  F  F  F  1426   1484   |
70X    |              924    978   |    F        1059   1129   |
71X    | F  F     F   838    973   |    F        1005   1253   |
72X    | F  F         757    773   | F  F     F  1027   1043   |
73X    |             1255   1259   |             1505   1509   |
74X    | F  F         586    614   | F  F  F  F   744    762   |
75X    |              891   1335   |    F         890   1381   |
76X    |              884    884   |              812    940   |
77X    | F  F     F  1471   1511   | F  F  F  F  2048   2076   |
77SL   |              399    400   |              310    =     |
78X    |              355    364   |              325    327   |
79X    |              418    442   |              341    361   |
80X    |              539    =     |              432    444   |
81X    |              445    462   |              393    415   |
82X    |              341    357   |              374    384   |
83X    |              464    =     |              538    =     |
84X    |              368    387   |       F      358    376   |
85X    |   F         1203   1231   | F  F  F     1268   1296   |
86X    |              478    502   |              505    539   |
87X    |              692    843   |       F  F   866    936   |
88X    | F  F         924    962   | F  F     F   970    =     |
89X    |    F        1255   1333   | F  F  F  F  1377   1421   |
90X    | F  F     F  1426   1512   | F  F  F  F  1613   1661   |
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Failed | 8 11  2  4                |14 15 11 13