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Bruno's Chess Problem: 24/09/2025

E.Altmann, F.Sackmann, Deutsches Wochenschach V, 1916

Mat en 2(***)
chess problem diagram

Les blancs jouent

Astuce :

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1. Ng7! d5 2. Qc5#
  1... Bd4 2. Qe1#
  1... Bf6 2. Qxf6#
  1... Bxg7 2. Qxg7#
  1... Kd4 2. Rb5#

2025-09-24 08:31:07, by problemist: "Through the release of atomic energy, our generation has brought into the world the most revolutionary force since man’s discovery of fire."
Albert Einstein (1879-1955) In a letter of support for the Emergency Committee of Atomic Scientists, January 22, 1947. Many such letters were sent under various dates. Einstein Archives 40-010.

Block problem, a mate is set for any black move and a suitable waiting move is needed. The key is 1. Ng7 zugzwang giving the flight d4 with the new mate 1.. Kd4 2. Rb5#; and mates from the set 1.. Bd4, Bf6 (Bxg7) 2. Qe1#, QxB#; 1.. d5 2. Qc5, Qb4#.

Ernst Altmann (* 1890, † 18.10.1916 in WW1) German composer from Heidelberg.

Franz Sackmann (* 12.7.1888 in Brannenburg, † 22.2.1927 in Kaiserslautern) German composer, see wikipedia de, it. "Franz Sackmann composed direct mates and studies and left his name to a logical multimover theme: the Sackmann combination (also called Albain theme). The same white manoeuvre (on the same line) threatening a mate can be achieved in more ways. Only one of them works, because it anticipatorily parries the best black defence. - Franz Sackmann was the editor of the problem column in the "Süddeutschen Schachblättern" (1908) and in the "Deutschen Schachblättern" (1909-1911)."

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