Problem Display
PID: 42218 (3b4/1pn1p3/pP2P3/N6Q/k1N1p2p/p1P1P2P/6PK/8 w - - 0 1)

Nielsen, Karl Christian

1st Comm., BCF 032. Ty., 1939-1940

3b4/1pn1p3/pP2P3/N6Q/k1N1p2p/p1P1P2P/6PK/8

#3

10 + 9


SOLUTION


  • SOUND
  • Sets
    • 1...Sb5
      • 2.Qd1#
    • 1...Sd5
      • 2.Qe8#
    • 1...Sxe6
      • 2.Qe8#
    • 1...Sa8
      • 2.Qe8#
    • 1...Se8
      • 2.Qxe8#
    • 1...a2
      • 2.Qc5
        • threat
          • 3.Sb2#
          • 3.Qb4#
  • Tries
    • 1.Kg1?
      • 1...Sxe6
        • 2.Qe8#
      • 1...Sd5
        • 2.Qe8#
      • 1...Sb5
        • 2.Qd1#
      • 1...Sa8
        • 2.Qe8#
      • 1...Se8
        • 2.Qxe8#
      • 1...a2!
    • 1.Kh1?
      • 1...Sxe6
        • 2.Qe8#
      • 1...Sd5
        • 2.Qe8#
      • 1...Sb5
        • 2.Qd1#
      • 1...Sa8
        • 2.Qe8#
      • 1...Se8
        • 2.Qxe8#
      • 1...a2!
  • Keys
    • 1.Sd2!
      • threat
        • 2.Sac4
          • threat
            • 3.Qa5#
          • 2...Sd5
            • 3.Qe8#
          • 2...Sb5
            • 3.Qd1#
          • 2...a5
            • 3.Qxa5#
        • 2.Sxb7
          • threat
            • 3.Qa5#
          • 2...Sd5
            • 3.Qe8#
          • 2...Sb5
            • 3.Qd1#
          • 2...a5
            • 3.Qxa5#
      • 1...Sxe6
        • 2.Qe8+
          • 2...Kxa5
            • 3.Sc4#
      • 1...Sb5
        • 2.Qd1+
          • 2...Kxa5
            • 3.Sc4#
      • 1...Sd5
        • 2.Qe8+
          • 2...Kxa5
            • 3.Sc4#
      • 1...a2
        • 2.Sac4
          • threat
            • 3.Qa5#
          • 2...Sd5
            • 3.Qe8#
          • 2...Sb5
            • 3.Qd1#
          • 2...a5
            • 3.Qxa5#
      • 1...Sa8
        • 2.Qe8+
          • 2...Kxa5
            • 3.Sc4#
      • 1...Se8
        • 2.Qxe8+
          • 2...Kxa5
            • 3.Sc4#

FEATURES


NOT CLASSIFIED


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).