# Difference between revisions of "Petrus-W"

 Petrus-W method Information about the method Proposer(s): WarriorCatCuber Proposed: 2020 Alt Names: none Variants: Petrus No. Steps: 6 No. Algs: 1-58 (for the last layer corners and last 5 edges) Avg Moves: 47 Purpose(s):

The Petrus-W Method is a method for solving the 3x3x3 cube invented by WarriorCatCuber in 2020. The method is a variant on the Petrus method and is efficient enough to be used for advanced speedsolving.

## Steps

The steps are as follows:

1. 2x2: Solve a 2x2x2 block in the back of the cube
2. 2x2x3: Expand the 2x2x2 block into a 2x2x3 block, also on the back of the cube
3. EO: Fix the misoriented edges on the cube with ZZ-style EO (Edges oriented relative to where it belongs on the U, F, and D layers)
4. L2P: Solve the final two corner-edge pairs while only using R, U and L moves to preserve EO. This leaves only the last layer and the Down-Front edge piece to be solved
5. COLL: Solve the remaining 4 corners using COLL
6. L5EP: Permute the final five edges with L5EP as in Portico

## Pros

• Very few cube rotations are required; if you are able to plan your 2x2x3 in inspection, the number drops to zero
• EO is more free than in Petrus
• L2P has less regrips than in Petrus F2L
• Unlike in Petrus or ZZ, one has the ability to work with the empty DF edge during L2P
• You can orient 4 edges at a time, instead of being restricted to 2 at a time as in basic Petrus

## Cons

• Just like Petrus, you cannot look into EO during inspection time
• L5EP has slightly more algorithms than EPLL
• Unlike in Petrus or ZZ, you cannot easily solve the last layer in one look

## History

Petrus-W was originally proposed on the SpeedSolving Forums by user WarriorCatCuber on February 6, 2020. According to the creator, the idea came from a misinterpretation of another user's critique of a solve with the Petrus Method. After some thought and improvement, WarriorCatCuber decided to show the other forum users his new idea.