That Time Hikaru Made an Illegal Move

Summary by Krater

Hikaru Nakamura reacts to a compilation of illegal moves in top-level chess tournaments, discussing rule nuances and arbiter decisions in blitz games.

From the video

Answers: What are some illegal moves made by top chess grandmasters?

• illegal moves in chess
• blitz chess tournaments
• chess arbiter decisions
• clock hitting incidents
• pawn promotion rules

What it concludes

• Touching the clock with an elbow or hand while executing a move without pressing it deliberately can lead to confusion or penalties.
• Making an illegal move where there is no arbiter present can result in an automatic loss.
• Rule updates over the years have changed penalties for illegal moves from automatic forfeiture to time penalties in certain situations.