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World records in speedcubing are ratified by the World Cube Association (WCA). [1] The WCA ratifies records in 17 events. All events except 3×3×3 multi-blind have two categories: single and average.
From December 10, 2011 to December 17, 2016, Hays was the only person to hold the 6x6 world record single, taking the record from 1:54.81 to 1:32.77. [13] On March 10, 2018, Hays became the first person to solve a 7x7 in under 2 minutes in competition, breaking the world record with a time of 1:59.95.
Rainbow Cube, a cuboctahedron-shaped puzzle, the Rainbow Cube was removed from the list of official WCA events in 2007. [30] Siamese Cube, two connected 3×3s, the Siamese Cube was removed from the list of official WCA events in 2007. [30] 3×3 with No Inspection, 3×3 with No Inspection was removed from the list of official WCA events in 2006 ...
The Rubik's Cube is a 3D combination puzzle invented in 1974 [2] [3] by Hungarian sculptor and professor of architecture Ernő Rubik. Originally called the Magic Cube, [4] the puzzle was licensed by Rubik to be sold by Pentangle Puzzles in the UK in 1978, [5] and then by Ideal Toy Corp in 1980 [6] via businessman Tibor Laczi and Seven Towns ...
for the 3-cube is rotations of a 2-polytope (square) in 2-space = 4; for the 2-cube is rotations of a 1-polytope in 1-space = 1; In other words, the 2D puzzle cannot be scrambled at all if the same restrictions are placed on the moves as for the real 3D puzzle. The moves actually given to the 2D Magic Cube are the operations of reflection.
Feliks Aleksanders Zemdegs [1] (/ ˈ f ɛ l ɪ k s ˈ z ɛ m d ɛ ɡ z /, Latvian: Fēlikss Zemdegs; born 20 December 1995) is an Australian Rubik's Cube speedsolver.He is one of only two speedcubers ever to win the World Cube Association World Championship twice (the other being Max Park), winning in 2013 and 2015, and is widely considered the most successful and greatest speedcuber of all time.
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A cube layer is a one-cubie-thick slice of the cube perpendicular to its axis of rotation. Outer layers (faces) contain more cubies than inner layers. For a cube of size , there will be layers along any given axis. Cube face The meaning of a cube face depends on the context in which it is used.