OPA

OPA (OLL Parity Avoidance) is a 4x4 speedsolving method where you can avoid OLL parity on a 4x4 (or possibly ever larger cubes). It's usually used together with Reduction or Hoya. Since the method usually starts by solving two adjacent centers, it isn’t very suited for Yau.

OLL Parity Avoidance method Information about the method Proposer(s): unknown Proposed: 2019?-2023 Alt Names: none Variants: None No. Steps: unknown No. Algs: unknown Avg Moves: 140-150 STM Purpose(s): Speedsolving

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