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Created page with "'''Home * Engines * Schaker''' FILE:OSI Challenger 4P.jpg|border|right|thumb| OSI Challenger 4P <ref>Ohio Scientific Challenger 4P computer, Image by [htt..."
'''[[Main Page|Home]] * [[Engines]] * Schaker'''
[[FILE:OSI Challenger 4P.jpg|border|right|thumb| OSI Challenger 4P <ref>Ohio Scientific Challenger 4P computer, Image by [https://commons.wikimedia.org/wiki/User:Bilby Bilby], August 8, 2010, [https://creativecommons.org/licenses/by/3.0/deed.en CC BY 3.0], [https://en.wikipedia.org/wiki/Wikimedia_Commons Wikimedia Commons], [https://en.wikipedia.org/wiki/Ohio_Scientific Ohio Scientific from Wikipedia]</ref> ]]
'''Schaker''',<br/>
a chess program by [[Edwin Knoop]] initially written in [[Basic]] as "intelligent" [[Type B Strategy|Shannon Type B]] approach, later re-written in [[6502]] [[Assembly|assembly]] more relying on [[Brute-Force|brute force]] <ref>[[Edwin Knoop]] ('''1983'''). ''Schaker'' in [[Peter van Diepen]] (ed.) ('''1983'''). ''Toernooibulletin van het Nederlands kampioenschap computerschaak 1982''. [http://www.schaakcomputers.nl/hein_veldhuis/database/files/05-1983,%20toernooibulletin%20van%20het%20Nederlands%20kampioenschap%20computerschaak%201982.pdf pdf] hosted by [[Hein Veldhuis]] ยป [[DOCCC 1982]]</ref>. Schaker played the [[DOCCC 1982]] where it ran on [https://en.wikipedia.org/wiki/Ohio_Scientific 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=
<span id="RebelSchaker"></span>[[DOCCC 1982]], round 4, [[Rebel]] - [[Schaker]]
<pre>
[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
</pre>
=External Links=
* [https://nl.wikipedia.org/wiki/Schaker Schaker - Wikipedia.nl] (Dutch)
=References=
<references />
'''[[Engines|Up one level]]'''
[[FILE:OSI Challenger 4P.jpg|border|right|thumb| OSI Challenger 4P <ref>Ohio Scientific Challenger 4P computer, Image by [https://commons.wikimedia.org/wiki/User:Bilby Bilby], August 8, 2010, [https://creativecommons.org/licenses/by/3.0/deed.en CC BY 3.0], [https://en.wikipedia.org/wiki/Wikimedia_Commons Wikimedia Commons], [https://en.wikipedia.org/wiki/Ohio_Scientific Ohio Scientific from Wikipedia]</ref> ]]
'''Schaker''',<br/>
a chess program by [[Edwin Knoop]] initially written in [[Basic]] as "intelligent" [[Type B Strategy|Shannon Type B]] approach, later re-written in [[6502]] [[Assembly|assembly]] more relying on [[Brute-Force|brute force]] <ref>[[Edwin Knoop]] ('''1983'''). ''Schaker'' in [[Peter van Diepen]] (ed.) ('''1983'''). ''Toernooibulletin van het Nederlands kampioenschap computerschaak 1982''. [http://www.schaakcomputers.nl/hein_veldhuis/database/files/05-1983,%20toernooibulletin%20van%20het%20Nederlands%20kampioenschap%20computerschaak%201982.pdf pdf] hosted by [[Hein Veldhuis]] ยป [[DOCCC 1982]]</ref>. Schaker played the [[DOCCC 1982]] where it ran on [https://en.wikipedia.org/wiki/Ohio_Scientific 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=
<span id="RebelSchaker"></span>[[DOCCC 1982]], round 4, [[Rebel]] - [[Schaker]]
<pre>
[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
</pre>
=External Links=
* [https://nl.wikipedia.org/wiki/Schaker Schaker - Wikipedia.nl] (Dutch)
=References=
<references />
'''[[Engines|Up one level]]'''
