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Created page with "'''Home * Engines * Schak-H''' '''Schak-H''', (Schak-123, Schak123)<br/> an early chess program by Hans, Henk an..."
'''[[Main Page|Home]] * [[Engines]] * Schak-H'''
'''Schak-H''', (Schak-123, Schak123)<br/>
an early chess program by [[Hans van der Liet|Hans]], [[Henk van der Liet|Henk]] and [[Bert van der Liet]] <ref>[[Peter van Diepen]] (ed.) ('''1982'''). ''Toernooibulletin van het Nederlands kampioenschap computerschaak 1981 - Tabel 3. Deelnemers''. [http://www.schaakcomputers.nl/hein_veldhuis/database/files/03-1982,%20toernooibulletin%20van%20het%20Nederlands%20kampioenschap%20computerschaak%201981.pdf pdf] hosted by [[Hein Veldhuis]]</ref>. Schak-123 aka Schak-H ran on a self built system around the [https://en.wikipedia.org/wiki/Signetics_2650 Signetics 2650] [https://en.wikipedia.org/wiki/Microprocessor microprocessor], and was entirely programmed in [https://en.wikipedia.org/wiki/Machine_language machine language], the [https://en.wikipedia.org/wiki/Opcode opcode] entered via a bank of [https://en.wikipedia.org/wiki/Switch#Toggle_switch toggle-switches] for address and data input <ref>[http://www.talkchess.com/forum/viewtopic.php?t=48707&start=12 Re: Nightmare games from WCRCC 2013] by [[Joost Buijs]], [[CCC]], July 22, 2013</ref>. In 1978, Schak123 played one of the first matches between Dutch chess programs via telephone, and lost from [[IGM]] by [[Peter van Diepen]] <ref>[http://old.csvn.nl/pre_hist.html Prehistorie van het Nederlandse Computerschaak] (Dutch)</ref>. In 1978, it also played some sparring games versus [[Joost Buijs|Joost Buijs']] early [[Nightmare NL|Nightmare]] <ref>[http://www.talkchess.com/forum/viewtopic.php?t=48707&start=10 Re: Nightmare games from WCRCC 2013] by [[Joost Buijs]], [[CCC]], July 22, 2013</ref>. Schak-H played the first official Dutch Computer Chess Championship, the [[DOCCC 1981]], and the Group B of the [[DOCCC 1985]].
=Photos=
[[FILE:HenkvanderLietSchak-H.jpg|none|border|text-bottom|560px]]
Schak-H and [[Henk van der Liet]] (?) <ref>Image from [[Henk van der Liet]] ('''1982'''). ''Schak-H''. in [[Peter van Diepen]] (ed.) ('''1982'''). ''Toernooibulletin van het Nederlands kampioenschap computerschaak 1981. De Deelnemers''. [http://www.schaakcomputers.nl/hein_veldhuis/database/files/03-1982,%20toernooibulletin%20van%20het%20Nederlands%20kampioenschap%20computerschaak%201981.pdf pdf] hosted by [[Hein Veldhuis]] » [[DOCCC 1981]]</ref>
=Selected Games=
<span id="PK80SchakH"></span>[[DOCCC 1981]], [[PK|PK80]] - [[Schak-H]]
<pre>
[Event "DCCC 1981"]
[Site "Utrecht NED"]
[Date "1981.09.25"]
[Round "1-3"]
[White "PK80"]
[Black "Schak-H"]
[Result "0-1"]
1.e4 d5 2.exd5 Qxd5 3.Nc3 Qe5+ 4.Nce2 f6 5.d4 Qd6 6.Bf4 e5 7.Be3 Qb4+ 8.c3 Qxb2
9.Qa4+ Nc6 10.Rd1 exd4 11.Rxd4 Be6 12.Nf3 Qb1+ 13.Nc1 Nh6 14.Bc4 Bxc4 15.Qxc4
Nxd4 16.Qa4+ Nc6 17.Qd1 Rd8 18.Qa4 Nf5 19.O-O Bd6 20.Qc4 Ke7 21.Rd1 Bxh2+
22.Kxh2 Rxd1 23.Bc5+ Kd7 24.Qf7+ Nce7 25.Ne2 Rh1# 0-1
</pre>
=See also=
* [[SCHK-Y]]
=Publications=
* [[Henk van der Liet]] ('''1982'''). ''Schak-H''. in [[Peter van Diepen]] (ed.) ('''1982'''). ''Toernooibulletin van het Nederlands kampioenschap computerschaak 1981. De Deelnemers''. [http://www.schaakcomputers.nl/hein_veldhuis/database/files/03-1982,%20toernooibulletin%20van%20het%20Nederlands%20kampioenschap%20computerschaak%201981.pdf pdf] hosted by [[Hein Veldhuis]] » [[DOCCC 1981]]
=External Links=
* [http://old.csvn.nl/pre_hist.html Prehistorie van het Nederlandse Computerschaak] (Dutch)
* [http://www.csvnsupplementsite.nl/csvnp2.html Eerste Nederlands Kampioenschappen Computerschaken] (Dutch)
=References=
<references />
'''[[Engines|Up one level]]'''
'''Schak-H''', (Schak-123, Schak123)<br/>
an early chess program by [[Hans van der Liet|Hans]], [[Henk van der Liet|Henk]] and [[Bert van der Liet]] <ref>[[Peter van Diepen]] (ed.) ('''1982'''). ''Toernooibulletin van het Nederlands kampioenschap computerschaak 1981 - Tabel 3. Deelnemers''. [http://www.schaakcomputers.nl/hein_veldhuis/database/files/03-1982,%20toernooibulletin%20van%20het%20Nederlands%20kampioenschap%20computerschaak%201981.pdf pdf] hosted by [[Hein Veldhuis]]</ref>. Schak-123 aka Schak-H ran on a self built system around the [https://en.wikipedia.org/wiki/Signetics_2650 Signetics 2650] [https://en.wikipedia.org/wiki/Microprocessor microprocessor], and was entirely programmed in [https://en.wikipedia.org/wiki/Machine_language machine language], the [https://en.wikipedia.org/wiki/Opcode opcode] entered via a bank of [https://en.wikipedia.org/wiki/Switch#Toggle_switch toggle-switches] for address and data input <ref>[http://www.talkchess.com/forum/viewtopic.php?t=48707&start=12 Re: Nightmare games from WCRCC 2013] by [[Joost Buijs]], [[CCC]], July 22, 2013</ref>. In 1978, Schak123 played one of the first matches between Dutch chess programs via telephone, and lost from [[IGM]] by [[Peter van Diepen]] <ref>[http://old.csvn.nl/pre_hist.html Prehistorie van het Nederlandse Computerschaak] (Dutch)</ref>. In 1978, it also played some sparring games versus [[Joost Buijs|Joost Buijs']] early [[Nightmare NL|Nightmare]] <ref>[http://www.talkchess.com/forum/viewtopic.php?t=48707&start=10 Re: Nightmare games from WCRCC 2013] by [[Joost Buijs]], [[CCC]], July 22, 2013</ref>. Schak-H played the first official Dutch Computer Chess Championship, the [[DOCCC 1981]], and the Group B of the [[DOCCC 1985]].
=Photos=
[[FILE:HenkvanderLietSchak-H.jpg|none|border|text-bottom|560px]]
Schak-H and [[Henk van der Liet]] (?) <ref>Image from [[Henk van der Liet]] ('''1982'''). ''Schak-H''. in [[Peter van Diepen]] (ed.) ('''1982'''). ''Toernooibulletin van het Nederlands kampioenschap computerschaak 1981. De Deelnemers''. [http://www.schaakcomputers.nl/hein_veldhuis/database/files/03-1982,%20toernooibulletin%20van%20het%20Nederlands%20kampioenschap%20computerschaak%201981.pdf pdf] hosted by [[Hein Veldhuis]] » [[DOCCC 1981]]</ref>
=Selected Games=
<span id="PK80SchakH"></span>[[DOCCC 1981]], [[PK|PK80]] - [[Schak-H]]
<pre>
[Event "DCCC 1981"]
[Site "Utrecht NED"]
[Date "1981.09.25"]
[Round "1-3"]
[White "PK80"]
[Black "Schak-H"]
[Result "0-1"]
1.e4 d5 2.exd5 Qxd5 3.Nc3 Qe5+ 4.Nce2 f6 5.d4 Qd6 6.Bf4 e5 7.Be3 Qb4+ 8.c3 Qxb2
9.Qa4+ Nc6 10.Rd1 exd4 11.Rxd4 Be6 12.Nf3 Qb1+ 13.Nc1 Nh6 14.Bc4 Bxc4 15.Qxc4
Nxd4 16.Qa4+ Nc6 17.Qd1 Rd8 18.Qa4 Nf5 19.O-O Bd6 20.Qc4 Ke7 21.Rd1 Bxh2+
22.Kxh2 Rxd1 23.Bc5+ Kd7 24.Qf7+ Nce7 25.Ne2 Rh1# 0-1
</pre>
=See also=
* [[SCHK-Y]]
=Publications=
* [[Henk van der Liet]] ('''1982'''). ''Schak-H''. in [[Peter van Diepen]] (ed.) ('''1982'''). ''Toernooibulletin van het Nederlands kampioenschap computerschaak 1981. De Deelnemers''. [http://www.schaakcomputers.nl/hein_veldhuis/database/files/03-1982,%20toernooibulletin%20van%20het%20Nederlands%20kampioenschap%20computerschaak%201981.pdf pdf] hosted by [[Hein Veldhuis]] » [[DOCCC 1981]]
=External Links=
* [http://old.csvn.nl/pre_hist.html Prehistorie van het Nederlandse Computerschaak] (Dutch)
* [http://www.csvnsupplementsite.nl/csvnp2.html Eerste Nederlands Kampioenschappen Computerschaken] (Dutch)
=References=
<references />
'''[[Engines|Up one level]]'''
