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The Skewb (/ ˈ s k juː b /) is a combination puzzle and a mechanical puzzle similar to the Rubik's Cube. It was invented by Tony Durham and marketed by Uwe Mèffert . [ 1 ] Although it is cubical, it differs from the typical cubes ' construction; its axes of rotation pass through the corners of the cube, rather than the centers of the faces.
A scrambled Rubik's Cube. An algorithm to determine the minimum number of moves to solve Rubik's Cube was published in 1997 by Richard Korf. [10] While it had been known since 1995 that 20 was a lower bound on the number of moves for the solution in the worst case, Tom Rokicki proved in 2010 that no configuration requires more than 20 moves. [11]
Similar to the original Rubik's Cube, the Skewb differs in that its four axes of rotation pass through the corners of the cube rather than the centres of the faces. As a result, it is a deep-cut puzzle in which each twist scrambles all six faces.
3×3×3 Cube Single 3.13 Max Park: Pride in Long Beach 2023 Average 4.09 ... Skewb Single 0.75 Carter Kucala Going Fast in Grandview 2024 Average 1.52
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Similarly he produced the first Skewb (invented by Tony Durham). [6] Since that time, Mèffert and his associates have created more than 350 rotating mechanical puzzles and modifications. [4] Mèffert has produced puzzle designs by Tony Fisher, including the Golden Cube, [7] and Oskar van Deventer, including the Gear Cube.