Problem Display
PID: 37299 (1b1B4/3P1Q1p/r2pNpr1/1B1pkp2/4p2P/4p2P/3PKP2/4R3 w - - 0 1)

Harder, Karl

Zucker, Manfred

4th Prize, Schach, 1977

1b1B4/3P1Q1p/r2pNpr1/1B1pkp2/4p2P/4p2P/3PKP2/4R3

#3

11 + 11


SOLUTION


  • SOUND
  • Sets
    • 1...Rg1
      • 2.Bxf6#
      • 2.Qxf6#
    • 1...Rg2
      • 2.Bxf6#
      • 2.Qxf6#
    • 1...Rg3
      • 2.Bxf6#
      • 2.Qxf6#
    • 1...Rg4
      • 2.Bxf6#
      • 2.Qxf6#
    • 1...Rg5
      • 2.Bxf6#
      • 2.Qxf6#
    • 1...Rg7
      • 2.Bxf6#
      • 2.Qxf6#
    • 1...Rg8
      • 2.Bxf6#
      • 2.Qxf6#
    • 1...exd2
      • 2.f4+
        • 2...exf4 ep+
          • 3.Kxd2#
    • 1...exf2
      • 2.d4+
        • 2...exd4 ep+
          • 3.Kxf2#
  • Tries
    • 1.Qxg6?
      • threat
        • 2.Qxf6#
      • 1...d4
        • 2.Qxf6+
          • 2...Kd5
            • 3.Qxf5#
      • 1...hxg6!
  • Keys
    • 1.Qe7!
      • threat
        • 2.Sc5+
          • 2...Kd4
            • 3.Sb3#
          • 2...Kf4
            • 3.dxe3#
      • 1...exd2
        • 2.f4+
          • 2...exf4 ep+
            • 3.Kxd2#
      • 1...exf2
        • 2.d4+
          • 2...exd4 ep+
            • 3.Kxf2#
      • 1...d4
        • 2.Sc7+
          • 2...Kf4
            • 3.Sd5#
      • 1...f4
        • 2.Sc5+
          • 2...Kd4
            • 3.Sb3#
          • 2...Kf5
            • 3.Qe6#
      • 1...Ra2
        • 2.Sg7+
          • 2...Kd4
            • 3.Bb6#
          • 2...Kf4
            • 3.Sh5#
      • 1...Ra3
        • 2.Sg7+
          • 2...Kd4
            • 3.Bb6#
          • 2...Kf4
            • 3.Sh5#

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