Problem Display
PID: 220707 (8/8/1pK2R2/1P4p1/p5p1/P2PpQN1/4P1pp/2b3kr w - - 0 1)

Howard, Kenneth Samuel

Die Schwalbe, 1928

8/8/1pK2R2/1P4p1/p5p1/P2PpQN1/4P1pp/2b3kr

#4

8 + 10


SOLUTION


  • SOUND
  • Keys
    • 1.Qxg4!
      • threat
        • 2.Qxa4
          • threat
            • 3.Qd1#
          • 2...Bd2
            • 3.Qd1+
              • 3...Be1
                • 4.Qxe1#
        • 2.Sf1
          • 2...Bxa3
            • 3.Sxe3
              • threat
                • 4.Rf1#
                • 4.Qxg2#
            • 3.Sd2
              • threat
                • 4.Rf1#
              • 3...exd2
                • 4.Qd4#
          • 2...Bb2
            • 3.Sxe3
              • threat
                • 4.Rf1#
                • 4.Qxg2#
          • 2...Bd2
            • 3.Sxd2
              • 3...exd2
                • 4.Qd4#
        • 2.Se4
          • threat
            • 3.Sxg5
              • threat
                • 4.Sh3#
          • 2...Bb2
            • 3.Qg3
              • threat
                • 4.Qe1#
                • 4.Qxe3#
        • 2.Qh3
          • threat
            • 3.Rf1+
              • 3...gxf1Q
                • 4.Qxf1#
              • 3...gxf1S
                • 4.Qxf1#
              • 3...gxf1B
                • 4.Qxf1#
              • 3...gxf1R
                • 4.Qxf1#
        • 2.Qb4
          • threat
            • 3.Qe1#
          • 2...Bd2
            • 3.Qb1+
              • 3...Bc1
                • 4.Qxc1#
              • 3...Be1
                • 4.Qxe1#
      • 1...Bb2
        • 2.Qxa4
          • threat
            • 3.Qd1#
          • 2...Bxf6
            • 3.Qd1+
              • 3...Kf2
                • 4.Se4#
          • 2...Bc3
            • 3.Qd1+
              • 3...Be1
                • 4.Qxe1#
        • 2.Qb4
          • threat
            • 3.Qe1#
          • 2...Bc3
            • 3.Qb1+
              • 3...Be1
                • 4.Qxe1#
            • 3.Qxc3
              • 3...g4
                • 4.Qa1#
                • 4.Qe1#
                • 4.Qc1#

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).