Thomas Snyder, the creator of this blog (who gathered a number of contributors throughout the years; recently slowed down the content) is a puzzle grandmaster and recently mind behind the popular LinkedIn queens game. Lots of great content on this website.
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[ 0.25 ms ] story [ 13.9 ms ] threadRelated, interview about LinkedIn games: https://www.linkedin.com/pulse/king-queens-world-sudoku-cham...