Chess problem: 8 days ago

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Bruno's Chess Problem: 09/09/2021

F.Burchard, Berner Tagwacht, 1946

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

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Archives of checkmates over the last 10 days can be consulted.

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1. Be2! ... 2. Rb3#
  1... Bf7 2. R3d5#
  1... Bh5 2. Rf3#
  1... Bxd7+ 2. Rxd7#
  1... Kb5 2. Rc3#
  1... exd3 2. Bxd3#
  
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2021-09-09 18:23:02, by problemist
Though the Burkhardt theme is named after today's problem it was shown already by A. C. Challenger, Morning Post, 1896. In fact this is a record where all 14 possible moves of a wR as the front piece of a battery are forced after black defenses, see No. 117 in Jeremy Morse "Chess Problems -- Tasks and Records" 3rd Edition, 2016.
2021-09-09 08:09:28, by slowbut2
before my seeing others’ comments: My easy-come [so often wrong] solution [arrived to through the 32-pixel, B&W, restartable-moving-pieces setting and “(?)”]: in view of the following possibility\s::::::
south rook uncovers bishop check and guards or captures or blocks [or bishop capture and mate\
\\ ,,,,,,,,,,,,,,,,,,,,, it seems [ re-verification is intended later on and before seeing others’ comments] that white's betwo starts
2021-09-09 06:53:36, by problemist
"—— Three quarks for Muster Mark! \ Sure he hasn’t got much of a bark \ And sure any he has it's all beside the mark." James Joyce (1882-1941) "Finnegans Wake" (1939, p. 383). (Wikipedia: "These lines were the source of the name of the particular entities known in modern physics as Quarks." See also the section "Etymology" in the entry "Quark".)

Shown is the twomover theme "Burkhardt-Mate": The key creates a white battery that threatens mate by an arbitrary move of the front piece. The black defenses separate the white mates (see Sidler's "problemschach" (1968), p. 21). 1. Be2 (2. Rd3~#) Bxd7+, Bf7, Bh5, Bb6~, Kb5 2. Rxd7#, R3d5#, Rf3#, Rb3#, Rc3# and 1.. PxR 2. BxP#. Reprinted in "Problem Observer" (2015). On the composer yacpdb comments: "In several books the author was cited as F. Burkhardt. This seems to be wrong. In the Albrecht collection F. Burkhardt was substituted by Raymond Burkhardt."

Raymond Burkhardt, French composer.

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