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SD Chess,
a chess program developed in 1977 by Ira Baxter from Software Dynamics, written entirely in SD Compiler Basic on a 6800 microcomputer, using a minimax tree lookahead scheme ^[1]. To simplify the move generation, SD Chess stores the chess board in the middle of a 12 by 12 field, with the borders filled with white pawns ^[2]. SD Chess competed in the Microcomputer Chess Tournament of the Second West Coast Computer Faire, March 3–5, 1978. A program called Chess D by Ira Baxter was on the Stand-By list of the WCCC 1983 in New York ^[3].

Photos

SD Chess at The Second West Coast Computer Faire, March, 1978 [4]

See also

• Acronym

Publications

• Douglas Penrod (ed.) (1977). Computer Chess Newsletter, Issue 2. p. 9, pdf from The Computer History Museum, Courtesy of Peter Jennings
• Ira Baxter (1978). Software Dynamics Chess. Personal Computing, Vol. 2, No. 6, pp. 91
• Chris Morgan (1978). The Second West Coast Computer Faire. BYTE, Vol. 3, No. 7

References

1. ^ Douglas Penrod (ed.) (1977). Computer Chess Newsletter, Issue 2. p. 9, pdf from The Computer History Museum, Courtesy of Peter Jennings
2. ^ Ira Baxter (1978). Software Dynamics Chess. Personal Computing, Vol. 2, No. 6, pp. 91
3. ^ The Fourth World Computer Chess Championship (labeled 22nd ACM), pdf from The Computer History Museum, pdf from Danny Kopec
4. ^ Chris Morgan (1978). The Second West Coast Computer Faire. BYTE, Vol. 3, No. 7, hosted by Modern Mechanix, Photo 4: Ira Baxter’s chess playing system display, which competed in the Microcomputer Chess Tournament at the Faire. The level of play was impressive, and the winning program, called SARGON, was a 16 K byte Z-80 assembler program written by a husband and wife team, Kathe and Dan Spracklen.

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