Problem Display
PID: 376 (2Bb4/1K2P1rN/R1Pk1nbR/5p2/3P3B/5Q2/1Np5/8 w - - 0 1)

Kish, Alexander

The Observer, 1937

(First published on Sun Mar 14 1937)

2Bb4/1K2P1rN/R1Pk1nbR/5p2/3P3B/5Q2/1Np5/8

#2

11 + 7


5088 How to Solve Chess Problems 1945
5066 Classic Chess Problems by Pioneer Composers 1970
5454 Near Snap 2007
15239 Valois Notebooks 2019
  • SOUND
  • Sets
    • 1...Rxe7+
      • 2.c7#
    • 1...Bf7
      • 2.exd8Q#
    • 1...Bxe7
      • 2.Sc4#
      • 2.c7#
    • 1...Sg4
      • 2.Sc4#
      • 2.c7#
    • 1...Sd5
      • 2.Sc4#
    • 1...Sh5
      • 2.Sc4#
      • 2.c7#
    • 1...Sxh7
      • 2.Sc4#
      • 2.c7#
    • 1...Se8
      • 2.Sc4#
      • 2.c7#
    • 1...Sg8
      • 2.Sc4#
      • 2.c7#
  • Tries
    • 1.Sxf6?
      • threat
        • 2.Se8#
        • 2.Qa3#
      • 1...Rxe7+
        • 2.c7#
      • 1...c1Q
        • 2.Se8#
      • 1...c1R
        • 2.Se8#
      • 1...Rg8
        • 2.Qa3#
      • 1...Be8
        • 2.Sxe8#
        • 2.Qa3#
      • 1...Ba5
        • 2.Se8#
      • 1...Bb6
        • 2.Se8#
      • 1...Kxe7!
    • 1.Qd5+?
      • 1...Kxe7
        • 2.Qe6#
        • 2.Qd7#
      • 1...Sxd5
        • 2.Sc4#
      • 1...Kxd5!
    • 1.Qf4+?
      • 1...Kd5
        • 2.Sxf6#
        • 2.Qe5#
      • 1...Kxe7!
    • 1.Qxf5?
      • threat
        • 2.Qe6#
        • 2.Qc5#
        • 2.Qe5#
      • 1...Rxe7+
        • 2.c7#
      • 1...Kxe7
        • 2.Qe6#
        • 2.Qd7#
      • 1...c1Q
        • 2.Qe6#
        • 2.Qe5#
      • 1...c1R
        • 2.Qe6#
        • 2.Qe5#
      • 1...Bf7
        • 2.Qd7#
        • 2.Qc5#
        • 2.Qe5#
        • 2.exd8Q#
      • 1...Bb6
        • 2.Qe6#
        • 2.Qe5#
      • 1...Se4
        • 2.Sc4#
        • 2.Qe6#
        • 2.Qd7#
        • 2.Qe5#
        • 2.c7#
      • 1...Sg4
        • 2.Sc4#
        • 2.Qe6#
        • 2.Qd7#
        • 2.Qc5#
        • 2.c7#
      • 1...Sd5
        • 2.Sc4#
        • 2.Qe6#
        • 2.Qd7#
        • 2.Qe5#
      • 1...Sd7
        • 2.Sc4#
        • 2.Qxd7#
        • 2.e8S#
      • 1...Bxf5!
  • Keys
    • 1.Qb3!
      • threat
        • 2.Qe6#
      • 1...Rxe7+
        • 2.c7#
      • 1...Kxe7
        • 2.Qe6#
      • 1...Bf7
        • 2.exd8Q#
      • 1...Sd5
        • 2.Sc4#
      • 1...Sd7
        • 2.e8S#

Anticipated by 50911(1923)

This anticipates 185747(1957)



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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).