Zugzwangs in chess studies

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Haworth, G. ORCID: https://orcid.org/0000-0001-9896-1448, van der Heijden, H. M. J. F. and Bleicher, E. (2011) Zugzwangs in chess studies. ICGA Journal, 34 (2). pp. 82-88. ISSN 1389-6911

Abstract/Summary

Van der Heijden’s ENDGAME STUDY DATABASE IV, HHDBIV, is the definitive collection of 76,132 chess studies. The zugzwang position or zug, one in which the side to move would prefer not to, is a frequent theme in the literature of chess studies. In this third data-mining of HHDBIV, we report on the occurrence of sub-7-man zugs there as discovered by the use of CQL and Nalimov endgame tables (EGTs). We also mine those Zugzwang Studies in which a zug more significantly appears in both its White-to-move (wtm) and Black-to-move (btm) forms. We provide some illustrative and extreme examples of zugzwangs in studies.

Item Type	Article
URI	https://reading-clone.eprints-hosting.org/id/eprint/23047
Item Type	Article
Refereed	Yes
Divisions	Science
Uncontrolled Keywords	chess, depth, DTC, DTM, DTR, DTZ, irony, study, zugzwang, zugzwang study
Publisher	The International Computer Games Association
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Date Deposited:	02 Sep 2011 09:30	Date item deposited into CentAUR
Last Modified:	25 Jan 2024 03:39	Date item last modified

References

Beasley, J. (2000). Creating reciprocal zugzwang studies. EBUR Vol. 12, No. 2, pp. 8-12. Berger, J. (19222). Theorie und Praxis der Endspeil. 2nd edition, esp. positions #398a and #401b. Bleicher, E. (2011). http://www.k4it.de/ Sub-7-man chess EGT-query service. Bleicher, E. and Haworth, G.McC. (2009). 6-man Chess and Zugzwangs. Advances in Computer Games (ed. H. Jaap van den Herik and P. Spronck), pp. 123-135. Proceedings of ACG12, Pamplona. Lecture Notes in Computer Science, 6048. ISSN 0302-9743. Springer-Verlag. Bleicher, E., Haworth, G.McC. and van der Heijden, H.M.J.F. (2010). Data-mining chess databases. ICGA Journal, Vol. 33, No. 4, pp. 212-214. Costeff, G. (2011). EG, Issues 1-152, pdf format. http://gadycosteff.com/eg/eg.html. Elkies, N.D., (1996). On Numbers and Endgames: Combinatorial Game Theory in Chess Endgames. Games of No Chance (ed. R.J. Nowakowski), pp. 135-150. Proceedings of the MSRI conference on Combinatorial Games. CUP, ISBN 0-521-64652-9. See also http://library.msri.org/books/Book29/files/elkies.pdf. Haworth, G.McC. (2003). Reference Fallible Endgame Play. ICGA Journal, Vol. 26, No. 2, pp. 81-91. Haworth, G. McC. (2009). The Scorched Earth Algorithm: presentation to the Chess Endgame Study Circle. Haworth, G. McC., Bleicher, E. and van der Heijden, H.M.J.F. (2011). Uniqueness in chess studies. ICGA Journal, Vol. 34, No. 1, pp. 22-24. Haworth, G. McC., Karrer, P., Tamplin, J.A. and Wirth, C. (2001). 3-5 Man Chess: Maximals and Mzugs. ICGA Journal, Vol. 24, No. 4, p. 225-230. Nunn, J. (1992). Secrets of Rook Endings. B.T. Batsford, London. ISBN 0-7134-7164-6. Nunn, J. (1994). Secrets of Pawnless Endings. B.T. Batsford, London. ISBN 0-7134-7508-0. Expanded Edition 2 including 6-man endgames (2002). Gambit. ISBN 1-9019-8365-X. Nunn, J. (1995). Secrets of Minor-Piece Endings. B.T. Batsford, London. ISBN 0-7134-7727-X. Tamplin, J. and Haworth, G.McC. (2001). Ken Thompson’s 6-man Tables. ICGA Journal, Vol. 24, No. 2, pp. 83-85. van der Heijden, H.M.J.F. (2010). http://www.hhdbiv.nl/. HHDBIV, ENDGAME STUDY DATABASE IV. Valois, P. (2011). Index to the Endgame Studies magazine, EG. http://www.arves.org/egindex.txt.

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