Problems by Lech Duraj

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Captain Obvious and the Rabbit-Man0.412511073735%6.6Harden
Chemist's vows0.00433183652328%3.1Mediumen
Crane0.0258526912045%5.6Harden
Draughts0.0156468226539%3.5Mediumen
Escape0.3310014938116%8.4Harden
Jewel Heist0.7514892346528%6.3Harden
Rubik's Rectangle0.211858962122%8.3Harden
The Imp0.093395338416%8.4Harden
Wheels0.0155665624838%3.6Mediumen
Word Equations0.05100049210421%7.7Harden