Problems by Lech Duraj

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Captain Obvious and the Rabbit-Man0.412511163833%6.5Harden
Chemist's vows0.00433185352929%3.1Mediumen
Crane0.0258527712043%5.6Harden
Draughts0.0156469826638%3.5Mediumen
Escape0.3310015018116%8.4Harden
Jewel Heist0.7514892416527%6.3Harden
Rubik's Rectangle0.2118581032120%8.3Harden
The Imp0.093395418516%8.3Harden
Wheels0.0155667025438%3.5Mediumen
Word Equations0.05100051810520%7.6Harden