WCA Regulations — May 2021

Announced by Iván Brigidano Pérez on

Dear WCA Community,

The WRC would like to inform you about the versions of the WCA Regulations and Guidelines, which are going into effect May 1, 2021.

You can review all changes in this comparison on GitHub. You can click on “Files changed” to see the complete files of the Regulation and Guidelines, where all changes and additions are marked green and removals are red.



  • The competitor must have no physical contact with the puzzle cover while starting the attempt on Blindfolded events. (commit | discussion)
  • Modify A2b1 and F2a to not strictly require an announcement. (commit | discussion)
  • Require the competitor to finish signing (not just for the judge to finish signing) before the competitor may reset the timer. (commit | commit | discussion)
  • The competitor may align the faces in Blindfolded events. (commit | discussion)
  • Clarification regarding Guideline A7c4+ use. (commit | discussion)


  • Remove Article 6 from the Guidelines. (commit | discussion)
  • Allow for competitors to optionally use a self-supplied “surface” in Multi Blind. (commit | discussion)
  • The competitor may use correction materials for Fewest Moves. (commit | discussion)
  • Clarification regarding competitions requirements. (commit | commit | discussion)
  • Clarification regarding competitors wearing a smartphone on their pockets. (commit | discussion)
  • Removing the Regulation Y7e1. (commit)

Incidents Rulings

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