Problems by Lech Duraj

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Captain Obvious and the Rabbit-Man0.53251783140%6.0Harden
Chemist's vows0.00433142043330%3.3Mediumen
Crane0.0266422111351%4.2Mediumen
Draughts0.0176754320738%4.0Mediumen
Escape0.7210704006216%8.3Harden
Jewel Heist0.8415611705231%6.3Harden
Rubik's Rectangle0.271858731926%7.5Harden
The Imp0.093394957816%8.1Harden
Wheels0.0155658021237%3.6Mediumen
Word Equations0.0510004066717%7.6Harden