Problem Display
PID: 258484 (2n5/2Q3Kp/p5n1/N1P2p2/P1Bk1P1P/b2p1P2/3P4/1b6 w - - 0 1)

Leontieva, Nadezhda Aleksandrovna

4th HM., Buletin Problemistic, 1976

2n5/2Q3Kp/p5n1/N1P2p2/P1Bk1P1P/b2p1P2/3P4/1b6

#3

10 + 9


SOLUTION


  • SOUND
  • Sets
    • 1...Bb4
      • 2.Sb3+
        • 2...Kxc4
          • 3.Qf7#
    • 1...Bxc5
      • 2.Sc6+
        • 2...Kxc4
          • 3.Qf7#
    • 1...Sxf4
      • 2.Qe5+
        • 2...Kxe5
          • 3.Sc6#
    • 1...Sxh4
      • 2.Qe5#
    • 1...Se5
      • 2.Qxe5#
    • 1...Sge7
      • 2.Qe5#
    • 1...Sf8
      • 2.Qe5#
    • 1...Sh8
      • 2.Qe5#
    • 1...Sb6
      • 2.Qd6+
        • 2...Sd5
          • 3.Qxd5#
    • 1...Sd6
      • 2.Qxd6#
    • 1...Sa7
      • 2.Qd6#
    • 1...Sce7
      • 2.Qd6+
        • 2...Sd5
          • 3.Qxd5#
  • Tries
    • 1.Bf7?
      • threat
        • 2.Sb3#
      • 1...Bc2
        • 2.Bxg6
          • threat
            • 3.Qe5#
          • 2...Kd5
            • 3.Qe5#
          • 2...Sd6
            • 3.Qxd6#
      • 1...Ba2!
    • 1.Qd8+?
      • 1...Sd6
        • 2.Qxd6#
      • 1...Kxc5!
    • 1.Qd7+?
      • 1...Sd6
        • 2.Qxd6#
      • 1...Kxc5!
    • 1.Qf7?
      • threat
        • 2.Sb3#
        • 2.Qd5#
      • 1...Sxf4
        • 2.Sb3+
          • 2...Ke5
            • 3.Qf6#
      • 1...Kxc5!
  • Keys
    • 1.h5!
      • threat
        • 2.hxg6
          • threat
            • 3.Qe5#
          • 2...Sd6
            • 3.Qxd6#
      • 1...Bxc5
        • 2.Sc6+
          • 2...Kxc4
            • 3.Qf7#
      • 1...Sxf4
        • 2.Qe5+
          • 2...Kxe5
            • 3.Sc6#
      • 1...Bb4
        • 2.Sb3+
          • 2...Kxc4
            • 3.Qf7#
      • 1...Sb6
        • 2.Qd6+
          • 2...Sd5
            • 3.Qxd5#
      • 1...Sce7
        • 2.Qd6+
          • 2...Sd5
            • 3.Qxd5#

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).