Problems by Lech Duraj

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Captain Obvious and the Rabbit-Man0.42251913336%6.1Harden
Chemist's vows0.00433171248628%3.1Mediumen
Crane0.0275224811546%5.1Mediumen
Draughts0.0156463124639%3.6Mediumen
Escape0.3310014176816%8.6Harden
Jewel Heist0.8415612095727%5.5Harden
Rubik's Rectangle0.271858831923%7.6Harden
The Imp0.093395188216%8.2Harden
Wheels0.0155661322937%3.5Mediumen
Word Equations0.05100046110322%7.4Harden