Fridrich Method way of solving the rubik's cube overview. C- cross, F- F2L, O- Orient Last-Layer and P- Permute Last-Layer. Invented by Jessica Fridrich in early 1980s, Fridrich method gained popularity among the second generation of speedcubers when it was published online in 1997. Currently it is by far the most popular speedcubing method, with most of the world-class speedcubers using it with minor modifications.Yes, Fridrich method requires a huge number of algorithms(more than a hundred) but it's worth it. Refer at the diagram below:
Cross:
The very first stage in this system is to locate and solve the 4 edge pieces which make up the Cross. The Cross is so called because when the 4 edge pieces are solved, a cross pattern is formed on the Down face (or wherever you decided to solve it, I advocate solving the Cross on the Down face throughout this tutorial). This is an intuitive step and requires no algorithms, but can always be solved in 8 moves or less.
During this stage, you locate a "pair" (simply a corner piece that belongs in the First Layer, and the corresponding edge piece that belongs above it in the Second Layer), and you use an algorithm to solve these pieces into the correct "slot" (the name for the area in which the solved pair resides). You need to solve 4 pairs in order to complete the First 2 Layers, known as the F2L, and there are 41 algorithms to learn (42 configurations including the solved case).
Orient Last-Layer (OLL):
To finish the cube after solving the F2L, you will need to solve the Last Layer. This is accomplished in 2 stages, the first of which is the Orient Last Layer stage, known as OLL. During this step, you will correct the Orientation (corner twist and edge flip) of every piece in the Last Layer, which results in the U face being solved, but not the U Layer. This is the toughest stage to learn, and many feel that mastering it is the turning point from being a beginner to becoming an expert. There are 57 cases to learn in this stage.
The final stage in the System. During this stage, you will correct the positions of each cubie in the Last Layer, without changing their Orientation. This results in a completed Last Layer, and therefore a solved cube, provided you have kept the F2L in tact. This stage has the longest sequences to learn, since you have the least freedom with which to move the pieces around. There are however, only 21 cases to learn.
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