Problem Display
PID: 135358 (n2n4/6B1/3p1Q2/qp6/pP6/p1pP4/k1K5/8 w - - 0 1)

Laib, Kurt Friedrich

Die Schwalbe, 1935

n2n4/6B1/3p1Q2/qp6/pP6/p1pP4/k1K5/8

#3

5 + 9


SOLUTION


  • SOUND
  • Sets
    • 1...Ka1
      • 2.Qxc3+
        • 2...Ka2
          • 3.Qa1#
      • 2.Qf1+
        • 2...Ka2
          • 3.Qb1#
    • 1...Qc7
      • 2.Qf1
        • threat
          • 3.Qb1#
    • 1...Qa6
      • 2.Qf1
        • threat
          • 3.Qb1#
    • 1...Sb6
      • 2.Qxc3
        • threat
          • 3.Qa1#
    • 1...Sc7
      • 2.Qxc3
        • threat
          • 3.Qa1#
  • Tries
    • 1.Qe6+?
      • 1...d5
        • 2.Qxd5+
          • 2...Ka1
            • 3.Bxc3#
      • 1...Sxe6!
  • Keys
    • 1.Qd4!
      • threat
        • 2.Qd5+
          • 2...Ka1
            • 3.Bxc3#
      • 1...Ka1
        • 2.Qg1+
          • 2...Ka2
            • 3.Qb1#
        • 2.Qxc3+
          • 2...Ka2
            • 3.Qa1#
      • 1...Qxb4
        • 2.Qxb4
          • threat
            • 3.Qb1#
          • 2...Ka1
            • 3.Qxa3#
            • 3.Qb1#
      • 1...Qc7
        • 2.Qg1
          • threat
            • 3.Qb1#
      • 1...Sb6
        • 2.Qxc3
          • threat
            • 3.Qa1#
      • 1...Sc7
        • 2.Qxc3
          • threat
            • 3.Qa1#
      • 1...d5
        • 2.Qxd5+
          • 2...Ka1
            • 3.Bxc3#

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).