Disclaimer: I'm not actually good at chess.

See all data and code to analyze here:
https://github.com/paralogical/rarest...

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"Casa Bossa Nova" Kevin MacLeod (incompetech.com)
"Impact Lento" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 4.0 License
http://creativecommons.org/licenses/b...