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'''[[Main Page|Home]] * [[People]] * Hans Zellner'''
'''Hans Zellner''',<br/>
a German programmer involved in the early development and compression of [[Endgame Tablebases|endgame tablebases]], making three, four and even five piece [[Endgame|endgames]] such as [[KRK]] (July 1985), KQK (September 1985), [[KPK]] (November 1985), KBBK (July 1986), [[KBNK Endgame|KBNK]], KQKR, and KBBKN available for [https://en.wikipedia.org/wiki/Home_computer home-computers], the three piece endgames and KBBK already on a [[Commodore 64]] <ref>[[Jaap van den Herik]], [[Bob Herschberg]] ('''1986'''). ''A note on KBBK''. [[ICGA Journal#9_4|ICCA Journal, Vol. 9, No. 4]]</ref> <ref>[[Hans Zellner]] ('''1986'''). ''Compressing Databases Down to Micro Size''. [[ICGA Journal#9_4|ICCA Journal, Vol. 9, No. 4]]</ref>. He developed a program which perfectly played KQKR to run on an [[Atari ST]] <ref>[http://www.schachfeld.de/threads/7862-computerschach-und-datenbanken-historischer-sammelthread Computerschach und Datenbanken - historischer Sammelthread] by hoppelstoppler, [http://www.schachfeld.de/forum.php Schachfeld.de], October 18, 2008 (German)</ref>, a five-piece endgame, KBBKN had to be stored on 59 [https://en.wikipedia.org/wiki/Floppy_disk floppy disks] <ref>Solutions to our 2012 Christmas Puzzles – Part 2 by [[John Nunn]], [[ChessBase]] Christmas Puzzles</ref>.
=Selected Publications=
<ref>[http://ilk.uvt.nl/icga/journal/docs/References.pdf ICGA Reference Database](pdf)</ref>
* [[Hans Zellner]] ('''1986'''). ''Compressing Databases Down to Micro Size''. [[ICGA Journal#9_4|ICCA Journal, Vol. 9, No. 4]]
* [[Hans Zellner]] ('''1987'''). ''KBBK Squeezed into a Micro''. [[ICGA Journal#10_1|ICCA Journal, Vol. 10, No. 1]]
* [[Hans Zellner]], [[Jaap van den Herik]], [[Bob Herschberg]] ('''1987'''). ''Corrections and Substantiations to KBNK''. [[ICGA Journal#10_3|ICCA Journal, Vol. 10, No. 3]]
* [[Hans Zellner]] ('''1989'''). ''The KPK Database Revisited''. [[ICGA Journal#12_2|ICCA Journal, Vol. 12, No. 2]]
* [[Hans Zellner]] ('''1989'''). ''KBBKN on a Micro''. [[ICGA Journal#12_3|ICCA Journal, Vol. 12, No. 3]]
=References=
<references />
'''[[People|Up one level]]'''
[[Category:Chess Programmer|Zellner]]
'''Hans Zellner''',<br/>
a German programmer involved in the early development and compression of [[Endgame Tablebases|endgame tablebases]], making three, four and even five piece [[Endgame|endgames]] such as [[KRK]] (July 1985), KQK (September 1985), [[KPK]] (November 1985), KBBK (July 1986), [[KBNK Endgame|KBNK]], KQKR, and KBBKN available for [https://en.wikipedia.org/wiki/Home_computer home-computers], the three piece endgames and KBBK already on a [[Commodore 64]] <ref>[[Jaap van den Herik]], [[Bob Herschberg]] ('''1986'''). ''A note on KBBK''. [[ICGA Journal#9_4|ICCA Journal, Vol. 9, No. 4]]</ref> <ref>[[Hans Zellner]] ('''1986'''). ''Compressing Databases Down to Micro Size''. [[ICGA Journal#9_4|ICCA Journal, Vol. 9, No. 4]]</ref>. He developed a program which perfectly played KQKR to run on an [[Atari ST]] <ref>[http://www.schachfeld.de/threads/7862-computerschach-und-datenbanken-historischer-sammelthread Computerschach und Datenbanken - historischer Sammelthread] by hoppelstoppler, [http://www.schachfeld.de/forum.php Schachfeld.de], October 18, 2008 (German)</ref>, a five-piece endgame, KBBKN had to be stored on 59 [https://en.wikipedia.org/wiki/Floppy_disk floppy disks] <ref>Solutions to our 2012 Christmas Puzzles – Part 2 by [[John Nunn]], [[ChessBase]] Christmas Puzzles</ref>.
=Selected Publications=
<ref>[http://ilk.uvt.nl/icga/journal/docs/References.pdf ICGA Reference Database](pdf)</ref>
* [[Hans Zellner]] ('''1986'''). ''Compressing Databases Down to Micro Size''. [[ICGA Journal#9_4|ICCA Journal, Vol. 9, No. 4]]
* [[Hans Zellner]] ('''1987'''). ''KBBK Squeezed into a Micro''. [[ICGA Journal#10_1|ICCA Journal, Vol. 10, No. 1]]
* [[Hans Zellner]], [[Jaap van den Herik]], [[Bob Herschberg]] ('''1987'''). ''Corrections and Substantiations to KBNK''. [[ICGA Journal#10_3|ICCA Journal, Vol. 10, No. 3]]
* [[Hans Zellner]] ('''1989'''). ''The KPK Database Revisited''. [[ICGA Journal#12_2|ICCA Journal, Vol. 12, No. 2]]
* [[Hans Zellner]] ('''1989'''). ''KBBKN on a Micro''. [[ICGA Journal#12_3|ICCA Journal, Vol. 12, No. 3]]
=References=
<references />
'''[[People|Up one level]]'''
[[Category:Chess Programmer|Zellner]]
