Problem Display
PID: 69364 (8/8/2pPkPp1/4N3/4P3/4Q3/4K3/8 w - - 0 1)

Benko, Pal Charles

Chess Life & Review, 1970

8/8/2pPkPp1/4N3/4P3/4Q3/4K3/8

#3

6 + 3


SOLUTION


  • SOUND
  • Tries
    • 1.d7?
      • threat
        • 2.d8Q
          • threat
            • 3.Qe7#
          • 2...Kxe5
            • 3.Qe7#
      • 1...Kxe5
        • 2.d8Q
          • threat
            • 3.Qe7#
          • 2...Ke6
            • 3.Qe7#
      • 1...Kd6
        • 2.d8Q+
          • 2...Kxe5
            • 3.Qe7#
          • 2...Ke6
            • 3.Qe7#
      • 1...Kxf6!
    • 1.f7?
      • threat
        • 2.f8Q
          • threat
            • 3.Qe7#
          • 2...Kxe5
            • 3.Qe7#
      • 1...Kxe5
        • 2.f8Q
          • threat
            • 3.Qe7#
          • 2...Ke6
            • 3.Qe7#
      • 1...Kf6
        • 2.f8Q+
          • 2...Kxe5
            • 3.Qe7#
          • 2...Ke6
            • 3.Qe7#
      • 1...Kxd6!
  • Keys
    • 1.Qa7!
      • threat
        • 2.Qe7#
      • 1...Kxe5
        • 2.Ke3
          • threat
            • 3.Qe7#
          • 2...Kxd6
            • 3.Qe7#
          • 2...Ke6
            • 3.Qe7#
          • 2...Kxf6
            • 3.Qe7#

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).