Ortega is fast and easy to learn. CLL requires more algs but is "faster" than Ortega. EG has more algs than CLL, but CLL is a subset of EG.
Really though, if you want to be fast at 2x2, you'd learn all the methods like Ortega, Guimond, EG, etc, so you can use whichever will have the best solution.
Really though, if you want to be fast at 2x2, you'd learn all the methods like Ortega, Guimond, EG, etc, so you can use whichever will have the best solution.