Problems by Lech Duraj

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Captain Obvious and the Rabbit-Man0.412511223831%6.7Harden
Chemist's vows0.00433188453328%3.0Mediumen
Crane0.0258528712343%5.4Mediumen
Draughts0.0156471327539%3.5Mediumen
Escape0.3310015108216%8.3Harden
Jewel Heist0.7514892476526%6.2Harden
Rubik's Rectangle0.2118581092119%8.3Harden
The Imp0.093395518716%8.1Harden
Wheels0.0155667225538%3.5Mediumen
Word Equations0.05100053210720%7.5Harden