Chess problem: 4 days ago

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Bruno's Chess Problem: 12/14/2017

W.Speckmann, Die Schwalbe, 1953

Mate in 6(****)
chess problem diagram
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1. Qe4!+
  1. ... Rbb7 2. Qd5 b3 3. Qg8+ Rb8 4. Qg2+ Rbb7 5. Qd5 ... 6. Qxb7#
              5. ... Kb8 6. Qd8#
           4. ... Rab7 5. Qc6 ... 6. Qxb7#
              5. ... Ka7 6. Qa6#
  1. ... Rab7 2. Qc6 b3 3. Qa4+ Ra7 4. Qe4+ Rbb7 5. Qd5 ... 6. Qxb7#
              5. ... Kb8 6. Qd8#
           4. ... Rab7 5. Qc6 ... 6. Qxb7#
              5. ... Ka7 6. Qa6#
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2017-12-14 09:27:58, by problemist
There's now also article about "Verners Špekmanis" in the Latvian wikipedia lv.
2017-12-14 06:18:48, by problemist
Meredith. All moves are performed by the wQ. The idea is to check on the diagonal h1-a8 and answer Rab7, Rbb7 by Qc6, Qd5 (therefore a check on c6 or d5 has to be avoided and so the key checks from e4) creating zugzwang. In the first round Black can move 2.. b3, but then comes a second round (initiated by 3. Qc6-a4+, Qd5-g8+ 4. Qe4+, Qg2+) after which mate is is unavoidable. It is interesting that the white Q-moves are unique. Not that hard to solve.

Werner Speckmann (*21.8.1913 in Dortmund, +23.2.2001 in Hamm) German composer and International Master, see wikipedia de, it, ru, "International Judge, he was a specialist of miniature logical problems. He wrote "Strategie im Schachproblem" in 1959, "Das logische Schachproblem" and "Schachminiaturen" in 1965, "Kleinste Schachaufgaben" in 1970. He composed mostly miniatures and was the editor of the problem section of the "Deutsche Schachzeitung" from 1973 till 1988. He was also interested in fairy chess and was the inventor of the fairy piece "Superpawn". His son Lothar Speckmann maintains the splendid website "Werner Speckmanns elektronische Schachbücher" to his memory. More reading in English (to be found among the "Nachrufe"): his obituary by Colin Russ published in "The Problemist", May 2001."

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