The Rubiks' Cube Friedrich method (CFOP) solves the cube layer by layer using algorithms in each step, not messing up the solved pieces:Cross,F2L,OLL, PLL
Online Rubik's Cube speedsolving timer with built-in scramble generator for WCA twisty puzzles. The stopwatch collects and analizes training statistics, calculates averagesand shows the evolution of performance on a graphical display.