> I invite anyone making that claim to find me an "advanced amateur" (as the article says of the LLM's level) chess player who ever makes an illegal move. Anyone familiar with chess can confirm that it doesn't really happen.
This is somewhat imprecise (or inaccurate).
A quick search on YouTube for "GM illegal moves" indicates that GMs have made illegal moves often enough for there to be compilations.
This is somewhat imprecise (or inaccurate).
A quick search on YouTube for "GM illegal moves" indicates that GMs have made illegal moves often enough for there to be compilations.
e.g. https://www.youtube.com/watch?v=m5WVJu154F0 -- The Vidit vs Hikaru one is perhaps the most striking, where Vidit uses his king to attack Hikaru's king.