Chess problem: 6 days ago

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Bruno's Chess Problem: 04/09/2024

H.Ahues, Die Schwalbe, 2006

Mate in 2(***)
chess problem diagram
White to play

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Level : * (very easy) to ****** (very hard)

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1. Nc3! ... 2. Nb5#
  1... Nd5+ 2. Rxd5#
  1... Bf3 2. Bxe3#
  1... Be2, Rf3 2. Ne2#
  
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2024-04-09 10:12:51, by problemist
"The Lord God is subtle, but malicious he is not."

Albert Einstein (1879-1955) Originally said in German to Princeton University mathematics professor Oswald Veblen, May 1921, while Einstein was in Princeton for a series of lectures, upon hearing that an experimental result by Dayton C. Miller of Cleveland, if true, would contradict his theory of gravitation; but the result turned out to be false. Some say by this remark Einstein meant that Nature hides her secrets by being subtle, while others say he meant that Nature is mischievous but not bent on trickery. The above translation was popularized by Abraham Pais, but the original German word “raffiniert” is difficult to translate. Other appropriate adjectives, while not as pretty as “subtle,” are crafty, wily, tricky, cunning. Permanently inscribed in stone above the fireplace in the faculty lounge, 202 Jones Hall (called Fine Hall until Princeton’s new mathematics building with the same name was constructed) as “Raffiniert ist der Herr Gott, aber boshaft ist Er nicht” (“Herr Gott” should be “Herrgott”). Quoted widely in various translated versions, for example, in Pais, Subtle Is the Lord; Frank, Einstein: His Life and Times, 285; and Hoffmann, Albert Einstein: Creator and Rebel, 146.

Published in Die Schwalbe, Oct 2003 (203\11995). Commendation. Dedicated to Dr. Werner Issler (1933-2023) on the occasion of his 70th birthday. No wPs. As expected by this composer white line combinations are shown: Theme A (Barulin defense: "A square in the black King's field is guarded by two white linemovers. A threat closes one of these lines and Black defends by closing another.") This is combined with Grimshaw interferences on f3. The tries 1. Nc7? (2. Ne6#, Nb5#), Nf4? (2. Ne6#) work on the Barulin defenses using the Grimshaw 1.. Bf3, Rf3 2. Bxe3#, Ne2# but fail to the Barulin defenses 1.. Rf3!, Bf3! The key is 1. Nc3 (2. Nb5#) and now the Grimshaw interferences of the Barulin defenses are used both ways 1.. Rf3, Bf3 2. Ne2#, Bxe3# Side variations are 1.. Be2, Nd5+ 2. Nxe2#, Rxd5#.

Herbert Siegfried Oskar Ahues (* 2.3.1922 in Berlin, † 11.7.2015 in Bremen) German composer and Grandmaster, see wikipedia de, fr, it, lv, ru. "The son of otb-IM Karl Ahues was a specialist of modern twomovers, especially the white lines combinations (A, B, C themes) presented with thematic try play. He has composed more than 2000 problems and has been GM since 1989. He was also International Judge. He has published a selection of his best problems: "Meine besten Schachprobleme. 600 ausgewählte Zweizüger und 3 Dreizüger" (1988, 2nd ed. 2006). His "Weiße Linienkombinationen mit thematischen Verführungen" was published as a special issue of "Die Schwalbe."

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