Chess problem: 2 days ago

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Bruno's Chess Problem: 06/11/2021

E.A.Brunner, Deutsches Wochenschach, 1919

Mate in 5(****)
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. Re3! ... 2. Rxf1 ... 3. Rxe4 ... 4. Re8#
  1... gxf2 2. Rxf1 ... 3. Rxe4 ... 4. Re8#
     2... Rg3 3. Rxe4 ... 4. Re8#
        3... Re3 4. Rxe3 ... 5. Re8#
  1... Re1 2. Rc3 ... 3. c7+ Kxd7 4. c8=Q+ Kxd6 5. Qd8#
     2... bxc3 3. Rxe1 ... 4. Rxe4 ... 5. Re8#
        3... e3 4. Rxe3 ... 5. Re8#
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2021-06-11 20:58:28, by slowbut2
it works best in retrospect
2021-06-11 20:11:00, by problemist
"Eliminate all other factors, and the one which remains must be the truth." Sir Arthur Conan Doyle, "The Sign of the Four" (1890).
2021-06-11 19:51:25, by slowbut2
cont: < before north white rook guards westmost north white pawn before black pawn captures rook [before white rook captures] or white does three checks
2021-06-11 19:44:59, by slowbut2
[can't do copy paste]
2021-06-11 19:43:33, by slowbut2
cont:
< before south-black-rook defense
2021-06-11 19:42:00, by slowbut2
cont:
2021-06-11 19:41:05, by slowbut2
before my seeing more than problemist's last 2 comments from others’ comments: My better solution [arrived to through the 32-pixel, B&W, restartable-moving-pieces setting and “(?)”]: in view of the following possibility\s::::::
north white rook starts to east to problemist's spot :-)
2021-06-11 17:55:50, by slowbut2
before my seeing more than problemist's last 2 comments from others’ comments: My better solution [arrived to through the 32-pixel, B&W, restartable-moving-pieces setting and “(?)”]: in view of the following possibility\s::::::
north white rook starts to east to problemist's spot :-)
2021-06-11 16:47:20, by slowbut2
"2021-06-11 14:59:54, by problemist
But 2. RxR? does not suffice."
2021-06-11 16:41:42, by slowbut2
before my seeing others’ comments: My best better solution [arrived to through the 32-pixel, B&W, restartable-moving-pieces setting and “(?)”]: in view of the following possibility\s::::::
east rook starts to queen mate from north
2021-06-11 15:25:30, by problemist
Now you are in a dead end. Stick to 1. Re3.
2021-06-11 15:00:46, by slowbut2
before my seeing others’ comments: 1 ... bRg4!
2021-06-11 14:59:54, by problemist
But 2. RxR? does not suffice.
2021-06-11 14:54:00, by slowbut2
before my seeing others’ comments: My better solution [arrived to through the 32-pixel, B&W, restartable-moving-pieces setting and “(?)”]: in view of the following possibility\s::::::
east rook starts to mate from east with a rook
2021-06-11 14:41:08, by problemist
Still White has an answer to that :-)
2021-06-11 14:36:12, by slowbut2
before my seeing others’ comments: 1... bRe1!
2021-06-11 11:52:51, by problemist
Did you take 1.. Re1 into account?
2021-06-11 11:28:05, by slowbut2
before my seeing others’ comments: My easy-come (so doubtful) solution [arrived to through the 32-pixel, B&W, restartable-moving-pieces setting and “(?)”]: in view of the following possibility\s::::::
west rook starts to mate from east
2021-06-11 08:00:34, by problemist
"It has often and confidently been asserted, that man's origin can never be known: but ignorance more frequently begets confidence than does knowledge: it is those who know little, and not those who know much, who so positively assert that this or that problem will never be solved by science." Charles Darwin, "The Descend of Man" (1871).
2021-06-11 07:58:22, by problemist
Dedicated to J. Kohtz. 1. Kb7? is too slow: 1.. gxf2 2. Rxf1 Rg3. On 1. Re3 gxf2 2. Rxf1 3. Rxe4, but Black has the good defense 1.. Re1! and now the captures on e1 don't work: 2. Rexe1 gxf2 3. Rxe4 fxg1Q+; 2. Rgxe1 gxf2 3. Rxe4 fxe1Q. Here the point is 2. Rc3! ("zwecks Beseitigung schädlicher weißer Masse!", threat 3. c7+, Rxe1) bxc3 3. Rxe1 4. Rxe4 5. Re8# ("Eine Kombination von unheimlicher Tiefe.") No. 168 in the "Brunner-Buch".

Erich Anselm Brunner (* 11.12.1885 in Plauen, † 16.5.1938 in Zürich) German-Swiss composer, see wikipedia de, it, lv, ru, uk. "Erich Brunner composed around 600 strategic multimovers. The best of his problems were compiled by Moritz Henneberger and Hans Klüver, who completed Erich Brunner's selection, in "Erich Brunner - ein Künstler und Deuter des Schachproblems". The book can be downloaded from the internet as well as a list of errata, by Anton Baumann. Several themes are named after him or were researched by him, such as the Brunner-Turton, the Brunner-Dresdner, the Brunner-Plachutta, the Swiss theme, etc. For example: In Turton doubling a piece moves along a line (rank, file or diagonal), then a similarly-moving piece moves onto the same line in front of it, then this second piece moves again along this line, in the opposite direction to that of the first. The Brunner Turton is differentiated from the Loyd Turton by the fact that the first piece moved is of greater value than the second in Loyd-Turton, while in the former the two pieces are of equal value."

Günter Büsing commemorated Brunner's 125th anniversary in the 'Kalenderblatt' of 'Die Schwalbe' (December 2010): "Vor 125 Jahren wurde in Plauen im sächsischen Vogtland Erich Brunner (11.12.1885-16.05.1938) geboren, dessen Großvater aus der Schweiz als Schauspieler ans Braunschweiger Hoftheater gekommen war und dessen Vater in Plauen eine Gardinenfabrik betrieb. Das Schweizer Bürgerrecht hatte die Familie beibehalten, und Erich Brunner lebte zeitweise im Tessin (1918-28) und danach für einige Monate in Zürich, bevor er wieder nach Deutschland ging und seinen Wohnsitz in München nahm. Mit 21 veröffentlichte Brunner 1906 sein erstes Schachproblem. Im folgenden Jahr siedelte er nach Leipzig über, wo er dann in der Folge Komponisten wie Kohtz und Holzhausen kennenlernte, die ihn nachhaltig beeinflussten. Er komponierte rund 600 Probleme, eine 300 Aufgaben umfassende Auswahl davon wurde 1958 von Hans Klüver nach Vorarbeiten von M. Henneberger im Gedenkbuch 'Erich Brunner - Ein Künstler und Deuter des Schachproblems' publiziert. Intensiv hat er sich mit Turm-Manövern auseinandergesetzt. So hat er beispielsweise 1914 das Thema der Wechseltürme erstmals dargestellt."

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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