Difference between revisions of "Socrates"

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Latest revision as of 17:00, 13 July 2019

Home * Engines * Socrates

Socrates,
a series of DOS chess programs by Don Dailey and Larry Kaufman. Socrates was initially the 8086 assembly port of the C program Heuristic Alpha, developed for Julio Kaplan's company Heuristic Software. It had its tournament debut at the ACM 1991. While the C program evolved to Mini and Titan aka Socrates II, winner of the ACM 1993 on a 486 PC ahead of Cray Blitz and HiTech, later sold to Electronic Arts as engine of the mass-market entry Kasparov's Gambit, its 32-bit x86 assembly counterpart Socrates, the best program at Harvard Cup 1992 with 3 out of 5, beating grandmasters Patrick Wolff, Maxim Dlugy and John Fedorowicz [2] , incorporated knowledge from Titan and evolved to Socrates 3.0, finally released and commercially market in 1993 not by Heuristic Software, but through a company called MDI [3] . Since Larry Kaufman mentioned in 1992 that Null Move Pruning doubles the speed of the search [4] , NMP was likely also implemented in Socrates.

Screenshot

Socrates3.gif

Socrates 3.0 Screen [5]

Photos & Games

WolffDailey1992.JPG

Harvard Cup 1992, Patrick Wolff and Don Dailey [6] [7]

[Event "3rd Harvard Cup 1992 G/25"]
[Site "New York, NY USA"]
[Date "1992.07.11"]
[Round "02"]
[White "Socrates"]
[Black "Patrick Wolff"]
[Result "1-0"]

1.e4 d6 2.d4 c6 3.Nf3 g6 4.Be2 Bg7 5.O-O Nf6 6.Nc3 Qc7 7.h3 Nbd7 8.Re1 O-O
9.a4 b6 10.Bc4 e6 11.Bd2 Bb7 12.e5 dxe5 13.dxe5 Nd5 14.Qe2 a6 15.Rad1 c5
16.Bxd5 exd5 17.e6 Nf6 18.Ng5 d4 19.exf7+ Kh8 20.Nb1 Qc6 21.Qf3 Qxf3 22.gxf3
h6 23.Re7 Bd5 24.Ne6 Bxe6 25.Rxe6 Rxf7 26.Rxb6 Kh7 27.Kg2 Nd7 28.Rb7 Rc8
29.Na3 c4 30.Ba5 Rc5 31.Bb6 Rg5+ 32.Kf1 Rd5 33.Nxc4 Nxb6 34.Rxb6 Rxf3 35.Rxa6
Rxh3 36.Ke2 Rc5 37.b3 Rc3 38.Rd2 h5 39.Re6 h4 40.Re4 Rh5 41.a5 h3 42.Rd1 Rxc2+
43.Kf1 Ra2 44.Re7 Kh6 45.Rf7 d3 46.Rd7 Ra1 47.Rxa1 Bxa1 48.Kg1 Be5 49.Nxe5 Rxe5
50.b4 Rb5 51.Rxd3 Rxb4 52.Rxh3+ Kg5 53.Ra3 Rb7 54.a6 Ra7 55.f3 Kf4 56.Kf2 Ke5
57.Kg3 g5 58.Kg4 Kf6 59.Ra5 Ke6 60.Kxg5 Kd6 61.f4 Kc6 62.f5 Kb6 63.Ra2 Ra8
64.a7 1-0

Game on Lichess.org

See also

Publications

Forum Posts

External Links

Chess Program

Socrates

References

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