Problème d'il y a 4 jours

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Bruno's Chess Problem: 27/12/2025

V.Rudenko, E.Y.Livshits, 2eme Pr, 3eT. FIDE, 1961

Mat en 2(***)
chess problem diagram

Les blancs jouent

Astuce :

Vous pouvez changer l'aspect de l'échiquier (menu Anciens/Préférences)

1. Nf4! ... 2. Rxd5#
  1. ... Nb8, Nd8, Na7, Ne7, Nxa5, Nb4 2. Bxf6#
  1. ... Ne5, dxc5 2. Nfe6#
  1. ... Kxc5 2. Qb6#
  1. ... Ke5 2. Rxd5#

2025-12-27 09:30:05, by problemist: "Was there anything more exciting in life than seeking answers?"
Isaac Asimov (1920-1992) "Prelude to Foundation," 1988.

FIDE Album. Shown are changed mates in three phases, a 3x2-Zagoruiko. A random move of wNd3 threatens 2. Rxd5# and gives two flight squares. On 1. Ne1? Nc~, Ne5 2. Nef3#, Nc2#, but 1.. Be5!; on 1. Nf2? Nc~, Ne5 2. Nf3#, Ne6#, but 1.. Ke5!. The solution is 1. Nf4 Nc~, Ne5 2. Bxf6#, Nfe6#. By play 1.. Kxc5, dxc5 2. Qb6#, Nfe6#. Black corrections. Tertiary white correction. Reprinted as No. 1573 in Breuer's "Ideengeschichte" (1982) and as No. 1043 in Rudenko's "Преследование темы" (1983).

Эдуард Яковлевич Лившиц (* 23.9.1938 in Dnepropetrovsk) Russian-Ukrainian composer and International Master, see wikipedia lv, ru. "Eduard Livshitz composes direct mates."

Валентин Федорович Руденко (* 19.2.1938 in Yenakiieve, † 2.4.2016) Ukrainian composer and Super-Grandmaster, see wikipedia de, fr, it, lv, ru, uk. "The late Valentin Fedorovich Rudenko was a world-famous composer (no. 4 in the FIDE-Album top of composers with 229 points) considered by some as the best orthodox problem composer. He was also the author of one of the best chess problem composition books ever written "Преследование темы.— Москва, 1983". He proposed the date of January 4th as International Day of Chess Composition. His problems reached space levels when his threemover of Suomen Shakki 1957, 1st prize, was aboard the mission SOYUZ 9 (it is now on display in a museum in Cheboksary)." By profession he was a leading engineer in the Soviet (and later Russian) space program. A recent selection of 9 of his problems with ample commentary appeared in "Phénix" 352-353, Mars-Avril 2024, pp. 13682-13685, in "32 Compositeurs ukrainiens et 32 années d'indépendance pour un univers de 64 cases" by Gérard Doukhan, Alain Pallier, Michel Caillaud, and Laurent Riguet.

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