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'''[[Main Page|Home]] * [[People]] * Marc Bourzutschky'''
'''Marc Stephen Bourzutschky''',<br/>
an American physicist and researcher in the field of [[Retrograde Analysis]] and [[Endgame Tablebases]]. He is creator of the six piece EGTBs for [[Johan de Koning|Johan de Koning's]] compact [[Chessmaster#EGTB|Chessmaster]] format. Since 2005, Marc Bourzutschky collaborated with [[Yakov Konoval]] on 7-man EGTB. Yakov wrote the generator and Marc the verification program and some utilities for extracting data <ref>[http://www.vlasak.biz/tablebase.htm Endgame databases] by [[Emil Vlasák]]</ref> <ref>[http://kirill-kryukov.com/chess/discussion-board/viewtopic.php?f=6&t=2176 Current status of 7-men tablebases?] by ZeroOne, [[Computer Chess Forums|CCRL Discussion Board Endgame Tablebases]], May 07, 2007</ref>.
=EGTB records=
In October 2005, Marc Bourzutschky and Yakov Konoval announced that a position in the ending of a KRRNkrr requires 290 moves to convert to a simpler winning endgame <ref>[https://www.stmintz.com/ccc/index.php?id=456178 Subject: KRRNKRR win in 290: a new record] by [[Marc Bourzutschky]], [[CCC]], October 16, 2005</ref>. The old record was 243 moves from a position in a rook and knight versus two knights endgame, discovered by [[Lewis Stiller]] in 1991 <ref>[https://en.wikipedia.org/wiki/Chess_endgame Chess endgame from Wikipedia]</ref>. In March 2006, the wizards of 7-men endgames, Marc Bourzutschky and Yakov Konoval found a 330 moves win in KQBNkqb <ref>[http://www.xs4all.nl/~timkr/chess2/diary_16.htm Open Chess Diary 311. 31 March 2006: White plays and wins in 330 moves] by [https://en.wikipedia.org/wiki/Tim_Krabb%C3%A9 Tim Krabbé]</ref> and in May 2006 a 517 moves win in KQNkrbn <ref>[http://www.xs4all.nl/~timkr/chess2/diary_16.htm Open Chess Diary 316. 26 May 2006: A 517-move win] by [https://en.wikipedia.org/wiki/Tim_Krabb%C3%A9 Tim Krabbé]</ref> <ref>[http://www.public.asu.edu/~kobes/ Bernard W. Kobes] ('''2008'''). ''The Apriori in Chess''. [http://www.public.asu.edu/~kobes/apriori-chess.pdf pdf] (draft)</ref>.
=Selected Publications=
* [[Marc Bourzutschky]] ('''1992'''). ''Complex dynamics in systems with many degrees of freedom''. Dissertation [http://adsabs.harvard.edu/abs/1993PhDT........83B abstract]
* [[Marc Bourzutschky]], [[John Tamplin]], [[Guy Haworth]] ('''2005'''). ''[http://centaur.reading.ac.uk/4524/ Chess endgames: 6-man data and strategy]''. [https://en.wikipedia.org/wiki/Theoretical_Computer_Science_%28journal%29 Theoretical Computer Science], Vol. 349, No. 2
=Forum Posts=
* [https://www.stmintz.com/ccc/index.php?id=456178 Subject: KRRNKRR win in 290: a new record] by [[Marc Bourzutschky]], [[CCC]], October 16, 2005
* [https://www.stmintz.com/ccc/index.php?id=365428 pre-chess] by [[Marc Bourzutschky]], [[CCC]], May 16, 2004
=External Links=
* [http://www.vlasak.biz/tablebase.htm Endgame databases] by [[Emil Vlasák]]
* [http://www.xs4all.nl/~timkr/chess2/diary_16.htm Open Chess Diary 311. 31 March 2006: White plays and wins in 330 moves] by [https://en.wikipedia.org/wiki/Tim_Krabb%C3%A9 Tim Krabbé]
* [http://www.xs4all.nl/~timkr/chess2/diary_16.htm Open Chess Diary 316. 26 May 2006: A 517-move win] by [https://en.wikipedia.org/wiki/Tim_Krabb%C3%A9 Tim Krabbé]
=References=
<references />
'''[[People|Up one level]]'''
'''Marc Stephen Bourzutschky''',<br/>
an American physicist and researcher in the field of [[Retrograde Analysis]] and [[Endgame Tablebases]]. He is creator of the six piece EGTBs for [[Johan de Koning|Johan de Koning's]] compact [[Chessmaster#EGTB|Chessmaster]] format. Since 2005, Marc Bourzutschky collaborated with [[Yakov Konoval]] on 7-man EGTB. Yakov wrote the generator and Marc the verification program and some utilities for extracting data <ref>[http://www.vlasak.biz/tablebase.htm Endgame databases] by [[Emil Vlasák]]</ref> <ref>[http://kirill-kryukov.com/chess/discussion-board/viewtopic.php?f=6&t=2176 Current status of 7-men tablebases?] by ZeroOne, [[Computer Chess Forums|CCRL Discussion Board Endgame Tablebases]], May 07, 2007</ref>.
=EGTB records=
In October 2005, Marc Bourzutschky and Yakov Konoval announced that a position in the ending of a KRRNkrr requires 290 moves to convert to a simpler winning endgame <ref>[https://www.stmintz.com/ccc/index.php?id=456178 Subject: KRRNKRR win in 290: a new record] by [[Marc Bourzutschky]], [[CCC]], October 16, 2005</ref>. The old record was 243 moves from a position in a rook and knight versus two knights endgame, discovered by [[Lewis Stiller]] in 1991 <ref>[https://en.wikipedia.org/wiki/Chess_endgame Chess endgame from Wikipedia]</ref>. In March 2006, the wizards of 7-men endgames, Marc Bourzutschky and Yakov Konoval found a 330 moves win in KQBNkqb <ref>[http://www.xs4all.nl/~timkr/chess2/diary_16.htm Open Chess Diary 311. 31 March 2006: White plays and wins in 330 moves] by [https://en.wikipedia.org/wiki/Tim_Krabb%C3%A9 Tim Krabbé]</ref> and in May 2006 a 517 moves win in KQNkrbn <ref>[http://www.xs4all.nl/~timkr/chess2/diary_16.htm Open Chess Diary 316. 26 May 2006: A 517-move win] by [https://en.wikipedia.org/wiki/Tim_Krabb%C3%A9 Tim Krabbé]</ref> <ref>[http://www.public.asu.edu/~kobes/ Bernard W. Kobes] ('''2008'''). ''The Apriori in Chess''. [http://www.public.asu.edu/~kobes/apriori-chess.pdf pdf] (draft)</ref>.
=Selected Publications=
* [[Marc Bourzutschky]] ('''1992'''). ''Complex dynamics in systems with many degrees of freedom''. Dissertation [http://adsabs.harvard.edu/abs/1993PhDT........83B abstract]
* [[Marc Bourzutschky]], [[John Tamplin]], [[Guy Haworth]] ('''2005'''). ''[http://centaur.reading.ac.uk/4524/ Chess endgames: 6-man data and strategy]''. [https://en.wikipedia.org/wiki/Theoretical_Computer_Science_%28journal%29 Theoretical Computer Science], Vol. 349, No. 2
=Forum Posts=
* [https://www.stmintz.com/ccc/index.php?id=456178 Subject: KRRNKRR win in 290: a new record] by [[Marc Bourzutschky]], [[CCC]], October 16, 2005
* [https://www.stmintz.com/ccc/index.php?id=365428 pre-chess] by [[Marc Bourzutschky]], [[CCC]], May 16, 2004
=External Links=
* [http://www.vlasak.biz/tablebase.htm Endgame databases] by [[Emil Vlasák]]
* [http://www.xs4all.nl/~timkr/chess2/diary_16.htm Open Chess Diary 311. 31 March 2006: White plays and wins in 330 moves] by [https://en.wikipedia.org/wiki/Tim_Krabb%C3%A9 Tim Krabbé]
* [http://www.xs4all.nl/~timkr/chess2/diary_16.htm Open Chess Diary 316. 26 May 2006: A 517-move win] by [https://en.wikipedia.org/wiki/Tim_Krabb%C3%A9 Tim Krabbé]
=References=
<references />
'''[[People|Up one level]]'''
