Schaker

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OSI Challenger 4P [1]

Schaker,
a chess program by Edwin Knoop initially written in Basic as "intelligent" Shannon Type B approach, later re-written in 6502 assembly more relying on brute force [2]. Schaker played the DOCCC 1982 where it ran on OSI Challenger 1P and 4P computers, started the first day with 2/3 but lost the remaining six games to finish next-to-last.

Selected Games

DOCCC 1982, round 4, Rebel - Schaker

[Event "DOCCC 1982"]
[Site "Wageningen NED"]
[Date "1982.09.25"]
[Round "4"]
[White "Rebel"]
[Black "Schaker"]
[Result "1-0"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4 Qc7 7.Be3 Bg4 8.Be2 Bxe2 
9.Ndxe2 Qc4 10.Qd4 Qxd4 11.Bxd4 Nc6 12.O-O-O Nxd4 13.Rxd4 Rd8 14.e5 dxe5 
15.fxe5 Rxd4 16.Nxd4 Ng4 17.e6 fxe6 18.Nxe6 Ne3 19.Kd2 Nxg2 20.Nc5 b6 21.Nxa6 
Kd8 22.Nd5 b5 23.Ndc7 e5 24.Nxb5 Be7 25.c4 Bg5+ 26.Kc3 Ne3 27.b4 Bf6 28.a4 Re8 
29.c5 Nd5+ 30.Kc4 Nf4 31.c6 e4 32.c7+ Ke7 33.Re1 g5 34.Rxe4+ Ne6 35.Nc5 h5 
36.Rxe6+ Kf7 37.Nd6+ Kg6 38.Nxe8 g4 39.c8=Q h4 40.Rxf6+ Kh7 41.Qxg4 h3 42.Qg7# 
1-0

External Links

References

  1. Ohio Scientific Challenger 4P computer, Image by Bilby, August 8, 2010, CC BY 3.0, Wikimedia Commons, Ohio Scientific from Wikipedia
  2. Edwin Knoop (1983). Schaker in Peter van Diepen (ed.) (1983). Toernooibulletin van het Nederlands kampioenschap computerschaak 1982. pdf hosted by Hein Veldhuis » DOCCC 1982

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