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