Changes

* [httpshttp://hyperallergicwww.openculture.com/4241242014/07/marcel-duchampduchamps-johnart-cage-reuniondeco-chess-toronto/ 50 Years Ago Today, set.html Marcel Duchamp and John Cage Played , Chess Enthusiast, Created an Art Deco ChessSet That's Now Available via 3D Printer | Open Culture], July 2014* [https://en.chessbase.com/post/the-story-of-a-picture The story of a picture] by [https://hyperallergicen.chessbase.com/author/elenaandre-goukassian/ Elena Goukassianschulz André Schulz], March 5, 2018 » [[:Category:John CageChessBase|John CageChessBase News]], November 17, 2015* [http://www.openculture.com/2017/09/when-john-cage-marcel-duchamp-played-chess-on-a-chessboard-that-turned-chess-moves-into-electronic-music-1968.html When John Cage & Marcel Duchamp Played Chess on a Chessboard That Turned Chess Moves Into Electronic Music (1968) | Open Culture] , Sepetmber 2017 * [httphttps://www.openculturehyperallergic.com/2014/07424124/marcel-duchampsduchamp-john-artcage-decoreunion-chess-settoronto/ 50 Years Ago Today, Marcel Duchamp and John Cage Played Chess] by [https://hyperallergic.com/author/elena-goukassian/ Elena Goukassian], March 5, 2018 * [https://en.chessbase.html com/post/50th-anniversary-of-reunion-and-the-death-of-marcel-duchamp Marcel Duchampand John Cage "Reunion"] by [https://en.chessbase.com/author/macauley-peterson Macauley Peterson], Chess Enthusiast, Created an Art Deco Chess Set That's Now Available via 3D Printer [[ChessBase| Open CultureChessBase News]], October 19, 2018