Problem Display
PID: 253923 (8/7P/1K3k1P/8/2P2P2/8/Q1P5/3B4 w - - 0 1)

Genenncher, Frank

Schach, 1972

8/7P/1K3k1P/8/2P2P2/8/Q1P5/3B4

#3

8 + 1


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Tries
    • 1.Bg4?
      • threat
        • 2.Qa7
          • 2...Kg6
            • 3.Qg7#
      • 1...Ke7
        • 2.Qa7+
          • 2...Kd6
            • 3.Qa3#
            • 3.Qc7#
            • 3.Qd7#
          • 2...Kf6
            • 3.Qg7#
          • 2...Kd8
            • 3.Qd7#
            • 3.h8Q#
            • 3.h8R#
          • 2...Ke8
            • 3.h8Q#
            • 3.h8R#
          • 2...Kf8
            • 3.h8Q#
            • 3.h8R#
      • 1...Kf7
        • 2.Qa7+
          • 2...Kf6
            • 3.Qg7#
          • 2...Kg6
            • 3.Qg7#
          • 2...Ke8
            • 3.h8Q#
            • 3.h8R#
          • 2...Kf8
            • 3.h8Q#
            • 3.h8R#
      • 1...Kg6!
    • 1.h8Q+?
      • 1...Ke6
        • 2.Qf8
          • 2...Kd7
            • 3.Bg4#
      • 1...Kg6
        • 2.Qf8
          • 2...Kh7
            • 3.Qg7#
      • 1...Ke7
        • 2.Qa7+
          • 2...Kd6
            • 3.Qe5#
            • 3.Qf6#
          • 2...Ke6
            • 3.Qe5#
        • 2.c5
          • 2...Kd7
            • 3.Qf7#
      • 1...Kf7
        • 2.Qa7+
          • 2...Ke6
            • 3.Qe5#
          • 2...Kg6
            • 3.Qah7#
      • 1...Kf5!
  • Keys
    • 1.Qa3!
      • 1...Kf5
        • 2.Qd6
          • 2...Ke4
            • 3.Qe5#
      • 1...Ke6
        • 2.Qf8
          • 2...Kd7
            • 3.Bg4#
      • 1...Kg6
        • 2.Qf8
          • 2...Kxh7
            • 3.Qg7#
      • 1...Kf7
        • 2.Qd6
          • 2...Ke8
            • 3.Bh5#

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).