CFOP Method
The CFOP Method (Cross - F2L - OLL - PLL), sometimes known as the Fridrich method, is one of the most commonly used methods in speedsolving a 3x3x3 Rubik's Cube. This method was first developed in the early 1980s combining innovations by a number of speed cubers. Czech speedcuber Jessica Fridrich is generally given credit for popularizing it by publishing it online in 1997.
The method works on a layer-by-layer system, first solving a cross on the bottom, continuing to solve the first two layers (F2L), orienting the last layer (OLL), and finally permuting the last layer (PLL).
History
Basic layer-by-layer methods were among the first to arise during the early 1980s cube craze. David Singmaster published a layer-based solution in 1980 which proposed the use of a cross.
The major innovation of CFOP over beginner methods is its use of F2L, which solves the first two layers simultaneously. This step was not invented by Jessica Fridrich. According to Singmaster's report on the 1981 world championship, Fridrich was then using a basic layer method, while Dutch competitor Guus Razoux Schultz had a primitive F2L system.
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Vers la r�vision du code �lectoral - Le CFOP d�nonce un passage en force
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