Steven James Edwards

Steven James Edwards (February 7, 1957 - October 1, 2016) was an American computer scientist and computer programmer who specialized in chess. He specified the Portable Game Notation, the Forsyth–Edwards Notation - expanding on previous work by David Forsyth, and Extended Position Description with John Stanback. In 1994, he introduced a distance to mate endgame tablebase format, called the Edwards' tablebases. He authored chess programs and tools, such as Spector, Symbolic, the Chess in Lisp (CIL) package, and several others.

He died on October 1, 2016, at age 59 at his home in Raymond, New Hampshire, only a few weeks after his father James Edwards passed away, who introduced him to chess.

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