Problems by Lech Duraj

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Captain Obvious and the Rabbit-Man0.42251913336%6.1Harden
Chemist's vows0.00433167148029%3.1Mediumen
Crane0.0275224811546%5.0Mediumen
Draughts0.0156463124639%3.6Mediumen
Escape0.3310014166816%8.4Harden
Jewel Heist0.8415611995628%5.7Harden
Rubik's Rectangle0.271858831923%7.6Harden
The Imp0.093395047715%8.1Harden
Wheels0.0155660422738%3.4Mediumen
Word Equations0.05100046010322%7.4Harden