Do experts make more errors when they are losing or behind?

Although Stockfish and Komodo have differences in their evaluation scales—happily less pronounced than they were 1 and 2 years ago—they agree that the world’s elite made six times more large errors when on the lower side of equality.

We don’t know how general this phenomenon is, but interestingly it seems to hold much more strongly for top players than for weak players.  That is from chess of course.

Here is much more detail from Ken Regan, along with some suggested hypotheses and resolutions.

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