Chess problem: 3 days ago

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Bruno's Chess Problem: 12/15/2017

F.Istokovics, 2nd HM, Jubil? Szoghy, 1981

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

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1. Qf6! ... 2. Qe5#
  1... Bg7 2. Re5#
  1... Qxf5, Qe6 2. QxQ#
  1... Bxe7+ 2. Nxe7#
  1... Rxe3+ 2. Nxe3#
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2017-12-18 08:17:17, by problemist
There is also the try 1. Qg4? (threat 2. Qe4#) Rh4 2. e4# (this shows the Dombrovskis paradox w.r.t. the try variation 1. b3? (threat 2. e4#) Rh4!) which fails to 1.. Qe6!
2017-12-15 13:39:55, by slowbut2
my better solution: whaite's qfsix is start
2017-12-15 13:34:24, by slowbut2
thanks to 2017-12-15 05:53:09, by problemist: 1. Ng3? Bxe7+!
2017-12-15 13:31:18, by slowbut2
before my seeing comments: My solution: to queen mate\foresee defenses , white's ngthree is start before mate
2017-12-15 07:02:25, by problemist
The mate 1.. Bg7 2. Re5# is not in the set. Also Meson mentions the tries 1. Kb3? (threat 2. Re5#), b3? (threat 2. e4#) that fail to 1.. Bg7! (this variation provides the Dombrovskis theme), Rh4! Any more content?
2017-12-15 05:53:09, by problemist
One phase twomover. Several mates are prepared already in the set and only a suitable key is needed. It is by the wQ threatening 2. Qe5#. The set mates follow on 1.. Bxe7+, Rxe3+, Qxf5, Qe6, Bg7. Any idea about the theme? It is not a Barnes as yacpdb suggests.

Ferenc Istokovics (*29.11.1937 in Baja, +16.5.1986 in Baja) Hungarian composer. "Ferenc Istokovics was a twomover composer." For more biographical information see the Hungarian site magyarsakkszerzok.hu.

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