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The vast amount of detailed knowledge about doubled pawns, which rarely gets implemented, can be found in the article ''All About Doubled Pawns'' by [[Larry Kaufman]] <ref>[[Larry Kaufman]] ('''2005'''). ''[httphttps://danheismande.com.temp.realsslscribd.com/Articlesdocument/10151669/doubled_pawns.htm All-About-Doubled-Pawns All About Doubled Pawns]''. (first published in [https://en.wikipedia.org/wiki/Chess_Life Chess Life], May 2005, p.22)</ref>.