Problems by Lech Duraj

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Captain Obvious and the Rabbit-Man0.41251943436%6.6Harden
Chemist's vows0.00433176050529%3.1Mediumen
Crane0.0258525811946%5.6Harden
Draughts0.0156466826339%3.4Mediumen
Escape0.3310014307117%8.6Harden
Jewel Heist0.8415612115727%5.9Harden
Rubik's Rectangle0.211858852125%7.6Harden
The Imp0.093395208316%8.3Harden
Wheels0.0155661523138%3.4Mediumen
Word Equations0.05100046910322%7.7Harden