Chess problem: 8 days ago

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Bruno's Chess Problem: 01/09/2022

F.Fleck, 1st Pr., Memorial White, 1953

Mate in 2(**)
chess problem diagram
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1. Qf2! ... 2. Ng4#
  1... Kf4, Kf6 2. Nd5#
  1... Kd4 2. Nf5#
  
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2022-01-09 15:45:30, by problemist
"The awful thing is that beauty is mysterious as well as terrible. God and the devil are fighting there and the battlefield is the heart of man." Fyodor Dostoyevsky (1821-1881) "The Brothers Karamazov" (1879–1880).

FIDE Album. In the set there are three mates by self blocks 1.. Nd4, Nf6, Nf4 2. Ng4#, Rg5#, Qh8#. In the solution a radical change happens, new mates, new defenses, new theme: 1. Qf2! gives 3 flight squares and threatens 2. Ng4# by double check where 3 white lines are opened and new guards are established. On the K-flights to the squares that were self blocked in the set 1.. Kd4, Kf4, Kf6 2. Nf5#, Nd5#, Nd5#; not 2. Nc2?, Ng2?, Ng4? dual avoidance. I found it hard to come up with the key (3 stars). Reprinted in "Die Tat" 18 Sep 1954 (518); "Chess Life" 1955; "The Two-move Chess Problem - Tradition and Development" 1966; Breuer's "Ideengeschichte" 1982, No. 1352; "Ungarische Schach-Problem-Anthologie" 1983, No. 47; "The Problemist Supplement" 2015.

Ferenc Fleck (* 17.2.1908 in Budafok, † 25.2.1994 in Budapest) Hungarian composer, Honorary Master and FIDE Master, see wikipedia de, it, lv. The German article is to be recommended as it is particularly comprehensive and contains an extensive discussion of the Fleck theme and its variants. "Ferenc Fleck was Honorary Master in chess composition but also an international judge and left his name to the Fleck theme: "Separation of the threats (at least 3) by an equivalent number of black defences, and there is no dual after each defence" (source: Problemesis)." For more biographical details see also the Hungarian site magyarsakkszerzok.hu.
From Günter Büsing's 'Kalenderblatt' in 'Die Schwalbe', April 2008: "Mehrfache Drohungen sind in der Regel unerwünscht, doch anders ist es beim Fleck-Thema, wo es darum geht, dieselben durch schwarze Verteidigungszüge zu differenzieren. Wie weit dieses Spiel getrieben werden kann, zeigt die Aufgabe von [Petrus] Overkamp (Niederländisches JT, 1951–52, 2. Preis), in der [...] nicht weniger als sieben Drohungen [...] durch die schwarzen Züge eindeutig separiert werden [...] Den Erfinder dieses Vorwurfs, Ferenc Fleck (17.2.1908-25.2.1994), konnte der Schreiber 1987 bei einem Besuch des Münchner Problemkreises in Budapest noch persönlich kennenlernen."

Since the opening in October 2000, I had published online more than 6650 free chess problems. If you want more details, look at my chess figures pages.

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