Example image of eyePlorer eyePlorer map for 'Sam Loyd': Sam Lloyd 1841 1911 April 10 Chess Chess composer January 31 New York Philadelphia Puzzle Recreational mathematics United States Chess problem Chessmetrics Ignatz Kolisch Paris 1867 chess tournament Fifteen puzzle Tangram Excelsior (chess problem) Henry Wadsworth Longfellow Checkmate Back from the Klondike Andrew Soltis Martin Gardner University of St Andrews Sam Lloyd (disambiguation) Pebble motion problems Sliding puzzle The Chess Monthly List of mathematicians who studied chess Oscar Schlömilch Lloyd (surname) Verbal arithmetic Henry Dudeney Dissection puzzle Milan Vukcevich Thinking outside the box Willard Fiske Transport puzzle Mad Hatter Chess problem terminology Helpmate History of chess Dunst Opening Alice's Adventures in Wonderland Stalemate