Hypothesis

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Dec 2023
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Suren on X: "✅ https://t.co/5nGvHBm5Vo Today I made a video about Henrik Kasparian's chess puzzle database which includes 30 thousand chess puzzles! In the precomputer era Kasparian used index cards to select everything in one place, and it took him decades to complete! #chess #chesspuzzle https://t.co/V1H2PMKfjN" / X

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1. chrisaldrich 24 Dec 2023
  
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  Brian Stephenson@bstephen2·Aug 5, 2020As for the Pirnie collection, not counted it, but I am slowly going through it for my online #ChessProblem database: http://bstephen.me.uk/meson/meson.pl?opt=top… . Also going through several boxes of the White-Hume Collection which I have.
  
  https://twitter.com/bstephen2/status/1290926377148076033
  
  George Hume Alain C. White chess puzzles White-Hume's zettelkasten digitized note collections Brian Stephenson
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Brian Stephenson

Alain C. White

White-Hume's zettelkasten

George Hume

digitized note collections

chess puzzles

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chrisaldrich

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twitter.com/surenaghabek/status/1290290990603890688