Changes

* [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] » , September 27, 2017 * [https://hyperallergic.com/424124/marcel-duchamp-john-cage-reunion-chess-toronto/ 50 Years Ago Today, Marcel Duchamp and John Cage Played Chess] by [https:Category//hyperallergic.com/author/elena-goukassian/ Elena Goukassian], March 5, 2018* [https://en.chessbase.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], [[ChessBase|Marcel DuchampChessBase News]], October 19, 2018 <ref>[https://worldchesshof.org/exhibit/reunion Reunion]| [https://en.wikipedia.org/wiki/World_Chess_Hall_of_Fame World Chess Hall of Fame]</ref> =References=<references />