Problems by Lech Duraj

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Captain Obvious and the Rabbit-Man0.41251943436%6.6Harden
Chemist's vows0.00433173749729%3.0Mediumen
Crane0.0275225011747%5.1Mediumen
Draughts0.0156464925639%3.5Mediumen
Escape0.3310014237117%8.3Harden
Jewel Heist0.8415612095727%5.5Harden
Rubik's Rectangle0.271858831923%7.6Harden
The Imp0.093395198316%8.1Harden
Wheels0.0155661523138%3.5Mediumen
Word Equations0.05100046910322%7.7Harden