Problem Display
PID: 46708 (2q5/8/5p2/8/8/8/p1p5/k1K4Q w - - 0 1)

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

Source?, 1940

2q5/8/5p2/8/8/8/p1p5/k1K4Q

#4

2 + 5


3296 Shakhmatny zadachi miniaturi 1987

SOLUTION


  • SOUND
  • Keys
    • 1.Qf3!
      • threat
        • 2.Qxf6+
          • 2...Qc3
            • 3.Qxc3#
      • 1...f5
        • 2.Qh3
          • 2...Qb7
            • 3.Qc3+
              • 3...Qb2+
                • 4.Qxb2#
            • 3.Qh8+
              • 3...Qb2+
                • 4.Qxb2#
              • 3...Qg7
                • 4.Qxg7#
          • 2...Qc4
            • 3.Qh8+
              • 3...Qc3
                • 4.Qxc3#
              • 3...Qd4
                • 4.Qxd4#
          • 2...Qc5
            • 3.Qh8+
              • 3...Qd4
                • 4.Qxd4#
              • 3...Qc3
                • 4.Qxc3#
              • 3...Qe5
                • 4.Qxe5#
          • 2...Qc6
            • 3.Qh8+
              • 3...Qc3
                • 4.Qxc3#
              • 3...Qf6
                • 4.Qxf6#
          • 2...Qc7
            • 3.Qh8+
              • 3...Qe5
                • 4.Qxe5#
              • 3...Qc3
                • 4.Qxc3#
              • 3...Qg7
                • 4.Qxg7#
          • 2...Qb8
            • 3.Qc3+
              • 3...Qb2+
                • 4.Qxb2#
          • 2...f4
            • 3.Qxc8
              • 3...f3
                • 4.Qc3#
                • 4.Qh8#

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).