Marc Bourzutschky

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Marc Stephen Bourzutschky, 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's compact 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.

=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. The old record was 243 moves from a position in a rook and knight versus two knights endgame, discovered by Lewis Stiller in 1991. In March 2006, the wizards of 7-men endgames, Marc Bourzutschky and Yakov Konoval found a 330 moves win in KQBNkqb and in May 2006 a 517 moves win in KQNkrbn.

=Selected Publications=
 * Marc Bourzutschky (1992). Complex dynamics in systems with many degrees of freedom. Dissertation abstract
 * Marc Bourzutschky, John Tamplin, Guy Haworth (2005). Chess endgames: 6-man data and strategy. Theoretical Computer Science, Vol. 349, No. 2

=Forum Posts=
 * Subject: KRRNKRR win in 290: a new record by Marc Bourzutschky, CCC, October 16, 2005
 * pre-chess by Marc Bourzutschky, CCC, May 16, 2004

=External Links=
 * Endgame databases by Emil Vlasák
 * Open Chess Diary 311. 31 March 2006: White plays and wins in 330 moves by Tim Krabbé
 * Open Chess Diary 316. 26 May 2006: A 517-move win by Tim Krabbé

=References= Up one level