Keywords: An illustration of Ray Kurzweil's second half of the chessboard principle.svg Illustration of Second Half of the Chessboard Derived from Image Second Half of the Chessboard png 2008-04-24 Djk3 talk Image Second_Half_of_the_Chessboard png Djk3 Original upload log en wikipedia Second_Half_of_the_Chessboard svg wikitable - 2008-04-24 23 59 1600×1600× 187053 bytes Djk3 Summary Illustration of Second Half of the Chessboard Derived from Image Second Half of the Chessboard png April 24 2008 Djk3 talk - 2008-04-24 23 55 1600×1600× 136810 bytes en User Djk3 Djk3 Illustration of Second Half of the Chessboard Derived from Image Second Half of the Chessboard png April 24 2008 ~~~ Image Second_Half_of_the_Chessboard png Checkered |