Rubik's Cube Record Broken
martinX writes "The Courier Mail has a story about a San Fran software developer who spins the cube faster than anyone else on the planet: 20 seconds to solve Rubik's Cube. I didn't think anyone still played with them." The winner, Dan Knights, said "It's sort of a dream come true", and credited Jessica Fridrich's cube-solving method as the key to winning, leaving the originator of the method in second place at the World Rubik's Cube Championships in Toronto at the weekend.
You can see the creator of the Fridrich method solve the cube here: http://www.ws.binghamton.edu/fridrich/video.html
Scrambling:
In all portions of the championship, puzzles will be scrambled using random moves generated by computer. The same sequences of random moves will be applied to the puzzle of each competitor to ensure each competitor will be starting with the same random puzzle state. This same method of scrambling will be used during the averages or best of 3 ?- type portions of competition. These random moves will be applied by independent jury-members.
The number of random moves depends on the puzzle. See the below example for explanation.
Rubiks 3x3x3: 25 moves
Rubiks 4x4x4, 40 moves
Rubiks 5x5x5, other: 60 moves etc
But what I REALLY want to know is, how the hell do you solve a cube while blindfolded? Seriously, there are three categories of blindfolded competitions.
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