Problème d'il y a 3 jours

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Bruno's Chess Problem: 13/12/2018

P.Le Grand, 4eme Pr., Nederland v. Jugoslavia, 1986

Mat en 2(**)
chess problem diagram
Les blancs jouent

Astuce :

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Cacher la solution
1. Rd6! ... 2. Rxd5#
  1... Ne7, Nb6 2. Ng4#
  1... Nxf6 2. Qxf6#
  1... Nc3, Ne3 2. Nd7#
Cacher les commentaire

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2018-12-14 11:11:16, by problemist
Thanks for your feedback.
2018-12-14 09:16:58, by slowbut2
problemist,
it was a kind of apology for\explanation of my not referencing your earlier correction of my 1. Qh4.
2018-12-13 16:13:56, by problemist
Sorry, I didn't want to disturb your circles. Do you have another shot towards a solution of this problem?
2018-12-13 10:19:41, by slowbut2
2018-12-13 10:16:48, by slowbut2, was in preparation and and posting while problemist posted "2018-12-13 10:16:06, by problemist
1. Qh4? Nc3! "
2018-12-13 10:16:48, by slowbut2
thanks to problemist, re 2018-12-13 10:11:18, by slowbut2: 1. ... Nc3!
2018-12-13 10:16:06, by problemist
1. Qh4? Nc3!
2018-12-13 10:11:18, by slowbut2
before my seeing comments: My easy-come solution [submitted in a style the honorable problemist was imitating on 2018-11-09 08:29:17]: to mate with queen after some black move, white's qhfour starts
2018-12-13 09:23:38, by problemist
There is the double threat 2. Nd7#, Ng4# in the tries 1. Nd6?, d3? that fail to the unpins 1.. Ne7!, Nc3! In the solution (threat 2. Rxd5#) there follows a threat mate on a threat defense (both from the tries): 2. Nd7# on 1.. Nc3 and 2. Ng4# on 2.. Ne7. So this combines the Dombrovskis and the Hannelius theme. This combination was probably the theme of the tourney. FIDE Album.

Pieter (Piet) le Grand (* 8.6.1935) Dutch composer. "Henk and Piet le Grand are twin brothers and composers. They both became International Judges in 1964.Piet was until recently the president of the Dutch Chess Problem Society and the two- and threemover editor of the Dutch magazine Probleemblad." They invented the popular Le Grand theme (in the twomover the exchange of threat and mate for the same black defense). See also the article "Schemaproblemen, driezetten en bestuurskracht" (Schaakmagazine, december 2012), available online.

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