Pandolfini’s Puzzler #24 – The 50-50 Problem – ChessKid.com https://www.chesskid.com/learn/articles/pandolfinis-puzzler-24---the-50-50-problem
: Unless we’re Rip Van Winkle, and can sleep for a very long time, every day we have
: Unless we’re Rip Van Winkle, and can sleep for a very long time, every day we have