Problems by Lech Duraj

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Captain Obvious and the Rabbit-Man0.412511023736%6.5Harden
Chemist's vows0.00433183152329%3.1Mediumen
Crane0.0258526312046%5.5Harden
Draughts0.0156467626539%3.5Mediumen
Escape0.3310014727917%8.7Harden
Jewel Heist0.7514892286529%6.2Harden
Rubik's Rectangle0.211858902123%8.2Harden
The Imp0.093395278416%8.3Harden
Wheels0.0155665124738%3.6Mediumen
Word Equations0.05100048610421%7.6Harden