
The rarest move in chess
What is the rarest move in chess, by looking at Standard Algebraic Notation across billions of games?

Glish
English but without multi-syllable words, so there's 30% fewer syllables

Folding Paper
Simulate folding a piece of paper
Envelopes
How can straight lines give us curves? And which curves are they?

Big Chess
Chess variants on a 16x16 board, with peer-to-peer remote play

Abeyance
Rotate around planets, then leap to the goal

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