Problem Display
PID: 230153 (1B1kn2K/N2p4/6b1/4Q2n/8/8/2rp4/5R2 w - - 0 1)

Gordian, Yury Markovic

Kozyura, Gennady Volodimirovich

Zadachi i Etyudi, 2000

1B1kn2K/N2p4/6b1/4Q2n/8/8/2rp4/5R2

#3

5 + 7


SOLUTION


  • SOUND
  • Sets
    • 1...Bd3
      • 2.Rf7
        • threat
          • 3.Qe7#
    • 1...Be4
      • 2.Rf7
        • threat
          • 3.Qe7#
    • 1...Bf7
      • 2.Rxf7
        • threat
          • 3.Qe7#
    • 1...Bh7
      • 2.Rf7
        • threat
          • 3.Qe7#
    • 1...Sd6
      • 2.Bxd6
        • threat
          • 3.Qe7#
  • Tries
    • 1.Bd6?
      • threat
        • 2.Be7#
        • 2.Qe7#
      • 1...Sef6
        • 2.Qe7#
      • 1...Sc7
        • 2.Qe7#
      • 1...Seg7
        • 2.Qe7#
      • 1...Sxd6!
  • Keys
    • 1.Rf8!
      • threat
        • 2.Bd6
          • threat
            • 3.Be7#
            • 3.Qe7#
        • 2.Qg5+
          • 2...Sf6
            • 3.Qxf6#
      • 1...d1Q
        • 2.Qg5+
          • 2...Sf6
            • 3.Qxf6#
      • 1...d1R
        • 2.Qg5+
          • 2...Sf6
            • 3.Qxf6#
      • 1...Rc5
        • 2.Qxc5
          • threat
            • 3.Bc7#
          • 2...d5
            • 3.Qd6#
            • 3.Qc7#
          • 2...d6
            • 3.Qxd6#
            • 3.Qc7#
      • 1...Rc6
        • 2.Sxc6+
          • 2...Kc8
            • 3.Qc7#
          • 2...dxc6
            • 3.Qc7#
      • 1...Bf7
        • 2.Rxf7
          • threat
            • 3.Qe7#
        • 2.Qg5+
          • 2...Sf6
            • 3.Qxf6#

FEATURES


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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).