Problems by Lech Duraj

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Captain Obvious and the Rabbit-Man0.412511353828%6.9Harden
Chemist's vows0.00433189853528%3.0Mediumen
Crane0.0258529612342%5.6Harden
Draughts0.0156471527639%3.5Mediumen
Escape0.3310015208216%8.4Harden
Jewel Heist0.7514892506526%6.4Harden
Rubik's Rectangle0.2118581172118%8.2Harden
The Imp0.093395658715%8.1Harden
Wheels0.0155668726338%3.4Mediumen
Word Equations0.05100055610819%7.2Harden