Chess problem: 2 days ago

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Bruno's Chess Problem: 09/27/2016

M.Kovacevic, Internet Tourney Award, 1999

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

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

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1. Qh2! ... 2. Ng6#
  1. ... Bxf5,Kd6 2. Nf7#
  1. ... d4 2. Bb8#
  1. ... Rxa7 2. Ne2#
  1. ... Rxf4 2. Qxf4#
  
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2016-09-27 08:04:04, by problemist
Theme: "Try key A has one threat B and two defeats x and y. In the solution defense x allow mate A (Vladimirov) and defense y allow mate B (Dombrovskis)." In the present problem the original theme is extended: The try 1. Ne2? now has two threats 1. Bb8#, Nf7# and three defeats 1.. Rxa7, d4, Bxf5. In the solution on 1.. Rxa7 follows 2. Ne2# (Vladimirov) and on 1.. d4, Bxf5 the threats from the try as mates (Dombrovskis). Comment by the Judge Paz Einat: "An interesting interpretation of the theme. The try presents two threats and three refutations. In the solution the try threats appear as mates after two of the "refutation moves" and the third provides the "Vladimirov" mate." 6th HM. The report with all awards is available online.

GM Марјан Ковачевић (*8.4.1957), SRB, see wikipedia de, en, it, lv, sr. "Marjan Kovačević has been GM in composition since 2007, International Judge since 1989 and GM in solving since 1988. He is a very regular and genial presence at the World Chess Composition Congress. Besides being a first class solver and composer, he is also an excellent writer, thanks to his professional experience as a journalist. His latest remarkable achievement in that field was his Mat Plus article-interview about Odette Vollenweider. His problems are usually very elegant."
2016-09-27 07:39:44, by slowbut2
before my seeing comments: My solution: to double-check mate\foresee defenses, white's qhtwo is start before mate with q\n\b\ \etc.

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