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  1. Dec 2023
  2. twitter.com twitter.com
    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
      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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    twitter.com/surenaghabek/status/1290290990603890688