Problems by Bob Roos

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
A Random Problem0.0010891337657%7.9Harden
All in the Family0.008951309170%5.8Harden
B Road Band0.0149016713078%5.8Harden
Bio Trip0.00644926773%7.7Harden
Car Vet0.0172430524380%7.7Harden
Cheese, If You Please0.0049726423689%3.5Mediumen
Compression0.0031968488%3.3Mediumen
Ghost Leg0.00471776170696%1.5Easyen
Just Passing Through0.0396436829881%5.0Mediumen
Math Trade0.0028437330983%3.4Mediumen
Mult!0.00412172201493%1.9Easyen
Oreperations Research0.061253835364%7.8Harden
Out of Sorts0.011481497136091%2.3Easyen
Over the Hill, Part 10.0015534731190%2.4Easyen
Over the Hill, Part 20.00809665177%6.6Harden
Pearls0.132078442045%8.7Harden
Restroom Monitor0.0126920415877%4.7Mediumen
Schedule0.00642211362%6.8Harden
Scholar's Lawn0.002070634775%7.8Harden
Simply Sudoku0.0093722417277%4.0Mediumen
Square Rooms0.00643674872%5.9Harden
Taxed Editor0.0041317912570%6.6Harden
Watch Where You Step0.0663419612262%7.5Harden
Weighty Tomes0.0046012410484%3.9Mediumen
Workers of the World Unite! Just Not Too Close.0.011880715983%5.6Harden