The Rubik’s CubeSolver

Ernő Rubik

Hungarian InventorJuly 13, 1944

Mechanics of the Cube

Moves Notation

• Standard face-turns

• Slice Moves

• Cube rotation

Abelian Group

* I X X2 X'

I I X X2 X'

X X X2 X' I

X2 X2 X' I X

X' X' I X X2

How to solve a Rubik’s Cube

• Optimum Solution – God’s Algorithm

• Layer-by-Layer Method (LL method)

• Jessica Fridrich Method (F2L-OLL-PLL)

• F2l with Keyhole-OLL-PLL

Solving Statistics:

Step Upper Bound Average

Top Cross 11 5.14

F2L 82 50.48

Total 97 73.22