Problem Display
PID: 22998 (4k3/4P3/3P1P2/8/4p3/4K3/8/4Q3 w - - 0 1)

Kubbel, Leonid Ivanovich (AKA Kubbel, Karl Artur Leonid)

1st HM., Svenska Dagbladet, 1929

4k3/4P3/3P1P2/8/4p3/4K3/8/4Q3

#3

5 + 2


2988 Izbrannie Kompozitsi 1985
3296 Shakhmatny zadachi miniaturi 1987

SOLUTION


  • SOUND
  • Tries
    • 1.Qd2?
      • 1...Kd7
        • 2.Qd5
          • 2...Kc8
            • 3.e8Q#
          • 2...Ke8
            • 3.d7#
      • 1...Kf7!
    • 1.Qf2?
      • 1...Kf7
        • 2.Qf5
          • 2...Ke8
            • 3.f7#
          • 2...Kg8
            • 3.e8Q#
      • 1...Kd7!
    • 1.Qd1?
      • 1...Kd7
        • 2.Qd5
          • 2...Kc8
            • 3.e8Q#
          • 2...Ke8
            • 3.d7#
      • 1...Kf7!
    • 1.Qf1?
      • 1...Kf7
        • 2.Qf5
          • 2...Ke8
            • 3.f7#
          • 2...Kg8
            • 3.e8Q#
      • 1...Kd7!
  • Keys
    • 1.Qa5!
      • threat
        • 2.Qd8+
          • 2...Kf7
            • 3.e8Q#
        • 2.Qe5
          • 2...Kd7
            • 3.e8Q#
          • 2...Kf7
            • 3.e8Q#
      • 1...Kd7
        • 2.Qd5
          • 2...Kc8
            • 3.e8Q#
          • 2...Ke8
            • 3.d7#
      • 1...Kf7
        • 2.Qf5
          • 2...Ke8
            • 3.f7#
          • 2...Kg8
            • 3.e8Q#

FEATURES


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