Chess problem: 2 days ago

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Bruno's Chess Problem: 09/24/2020

P.Gvozdjak, 1998

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

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

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1. Rxa6! ... 2. Nc4#
  1... Kxd5 2. c4#
  
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2020-09-24 10:55:11, by slowbut2
before my seeing others’ comments: My solution [arrived to through the 32-pixel, B&W, restartable-moving-pieces setting and “(?)”]: in view of the following possibility\s::::::::::::: black king captures\ white-rook captures\ ,,,,,,,,,,,,,,,,,,,,, it seems [ reverification is intended later on and before seeing others’ comments] that white's rasix starts
2020-09-24 10:39:42, by problemist
The "somewhat unorthodox" points of this problem are the key capturing a minor piece and the double refutations of the tries. These are owed to the extraordinary task of rendering a 5-fold cycle.
2020-09-24 06:30:38, by problemist
Pat a Mat, Dec 1998 (23\199).
2020-09-24 06:27:19, by problemist
Shown is a somewhat unorthodox 5-fold King's Le Grand cycle of threats and mates on 1.. K(x)d5 for 1. Ncxb3? (2. c4#) Kxd5 2. Rxc5#; 1. dxe6? (2. Rxc5#) Kd5 2. Qf5#; 1. Bh3? (2. Qf5#) Kxd5 2. Qxe6#;1. e3? (2. Qxe6#) Kxd5 2. Nc4# and the solution 1. Rxa6 (2. Nc4#) Kxd5 2. c4#. As a special feature the try keys are each refuted by two black defenses, e.g., 1. Ncxb3? c4!, Qf3! Reprinted as No. 1508 in Gvozdjak's "Cyclone" (2000).

Peter Gvozdják (* 16.11.1965 in Bratislava) Slovak composer and Grandmaster, see wikipedia en, it, lv. "Peter Gvozdják is especially interested in modern twomovers (whether they be orthodox or fairy). He is the author of the "Cyclone" books ("Cyclone" 2000 and "Cyclone 2" 2010), dedicated to cyclic themes. You can watch online his lecture about "Cyclone themes in twomovers" during the WCCC Kobe 2012." He is also a FIDE Master for chess solving.

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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