The Chess Piece Who Swallowed A Fly IM Daniel Rensch Jan 28, 2015 5 min What happens when a chess piece swallows a fly? IM Daniel Rensch shows you how players make this common beginner’s mistake. The error of blocking your own pieces creates a cascade of more blockages, reminding IM Rensch of the famous children’s song about an old lady who swallowed a fly. Stick around for IM Rensch’s spoken-word chess rendition of the classic Burl Ives song. Don't forget to take the ChessKid lesson on openings in the related links!