01 · FACE NAMES
The six fixed centers name the faces.
The center pieces never trade places. In your current grip, U is up, D is down, L is left, R is right, F is front, and B is back. Read the letters from position, not sticker color.
If you rotate the entire cube, your front and right references rotate with it. Keep one front and one top face for a complete algorithm until the notation feels automatic.
02 · TURN DIRECTION
Clockwise is judged while looking straight at that face.
For R, imagine standing to the right and looking directly at the right face. Turn it 90° clockwise. R' turns that same face 90° counterclockwise from the same viewpoint.
A 2 means a half turn. R2 has the same result as R R or R' R'. Clockwise and counterclockwise no longer matter for a 180° turn.
03 · PRACTICE
Use short return drills to align your eyes and hands.
On a solved cube, repeat R R', U U', and F F' five times each. The goal is not speed. Watch which edges and corners enter a new layer on every turn.
Next, perform R U R' U' slowly. One set does not restore the cube, but six identical sets do. Keep the same front and track the front-right-top corner to see an algorithm as a piece path instead of a password.
QUESTIONS
Questions beginners ask at this stage
01Does prime mean turn left?
No. It means counterclockwise while looking directly at the named face.
02Can I rotate the whole cube during an algorithm?
Yes, but every face reference changes. Beginners make fewer errors by keeping the same front and top until the sequence ends.
03Why can a drag feel different from a button?
Buttons execute fixed face notation. A drag interprets the sticker and gesture direction, so buttons are better for learning notation first.