Problems by Lech Duraj

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Captain Obvious and the Rabbit-Man0.42251903337%6.1Harden
Chemist's vows0.00433156146430%3.0Mediumen
Crane0.0275224711547%4.9Mediumen
Draughts0.0156460623038%3.7Mediumen
Escape0.3310014116716%8.5Harden
Jewel Heist0.8415611925328%6.3Harden
Rubik's Rectangle0.271858821923%7.5Harden
The Imp0.093395037715%8.1Harden
Wheels0.0155660622737%3.4Mediumen
Word Equations0.05100045110122%7.5Harden