Problems by Lech Duraj

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Captain Obvious and the Rabbit-Man0.412511113834%6.5Harden
Chemist's vows0.00433184452729%3.1Mediumen
Crane0.0258527212044%5.6Harden
Draughts0.0156469326638%3.5Mediumen
Escape0.3310014968116%8.4Harden
Jewel Heist0.7514892366528%6.3Harden
Rubik's Rectangle0.211858982121%8.3Harden
The Imp0.093395368516%8.3Harden
Wheels0.0155666725238%3.5Mediumen
Word Equations0.05100050410521%7.3Harden