Problème d'il y a 3 jours

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Bruno's Chess Problem: 23/10/2021

D.Fawcett, English Chess Problem, 1876

Mat en 3(**)
chess problem diagram
Les blancs jouent

Astuce :

niveau : * (très facile) à ***** (très difficile)

Cacher la solution
1. Qd8! ... 2. Qb6 ... 3. Qb4#
  1... Kxe4 2. Ke6 Kf4 3. Qh4#
  
Cacher les commentaire

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2021-10-23 17:50:07, by slowbut2
well, by wikipedia, Ulam rather "In pure and applied mathematics, he proved some theorems and proposed several conjectures." and ' "After the H-bomb was made," Bethe recalled, "reporters started to call Teller the father of the H-bomb. For the sake of history, I think it is more precise to say that Ulam is the father, because he provided the seed, and Teller is the mother, because he remained with the child. As for me, I guess I am the midwife." '
2021-10-23 13:23:19, by slowbut2
it isn't a secret that mathematicians usually are proud of this lifestyle and recommend it to others too.
"Chess sometimes plays a similar role." - and chess problems might do it even more so.
By Wikipedia, the observations in the quote came from a great mathematician with different ideas who participated and contributed in the Manhattan Project.
2021-10-23 13:03:48, by slowbut2
before my seeing others’ problem-related comments: My solution [arrived to through the 32-pixel, B&W, restartable-moving-pieces setting and “(?)”]: in view of the following possibility\s::::::
southmost pawns indicate mate possibilities and assistance after black captures\
queen start to northwestmost bbefore black to east [or not] bbefore white king to southeast bbefore queen-mate from east\
black start not to east bbefore queen to southwest bbefore queen to south and mate\ \\ ,,,,,,,,,,,,,,,,,,,,, it seems [ re-verification is intended later on and before seeing others’ problem-related comments] that white's qdeight starts
2021-10-23 10:28:57, by problemist
"In many cases, mathematics is an escape from reality. The mathematician finds his own monastic niche and happiness in pursuits that are disconnected from external affairs. Some practice it as if using a drug. Chess sometimes plays a similar role. In their unhappiness over the events of this world, some immerse themselves in a kind of self-sufficieny in mathematics." S. M. Ulam (1909-1984) "Adventures of a Mathematician" (1976), p. 120.

First published in "Gentleman's Magazine," 1871. Reprinted in "The Chess Player's Chronicle (Staunton)," 1877; "Canadian Chess Problems," 1890; "White-Hume Collection," 2015. Meredith with 8 pieces. A good chess puzzle featuring zugzwang. The direct tries 1.Qe1?, Qf2+? (Qf6+?, Qh8+), Qe7 fail to 1.. Kc5!, Kxe4!, Kc3! The idea is to have access to b6, so one is eventually lead to the very problem-like key 1. Qd8!(zugzwang) where the wQ moves into ambush behind the wK with forthcoming Q-mates on the 4th rank. Now on 1.. Kc5, Kxc4, Kc3 2. Qb6(+) (zugzwang) 3. Qb4# and the star variation 1.. Kxe4 2. Ke6 (zugzwang) Kf4 3. Qh4#. Challenging to solve.

Douglas Fawcett, British composer. Not to be confused with the younger chess player Edward Douglas Fawcett (1866-1960).

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