Problem Display
PID: 46006 (4Nq1n/1p6/n4pp1/3p2p1/1p1k1p2/1P1N1P1Q/3K1P2/6b1 w - - 0 1)

Popa, Nicolae

The Problemist, 2002

4Nq1n/1p6/n4pp1/3p2p1/1p1k1p2/1P1N1P1Q/3K1P2/6b1

#3

7 + 12


SOLUTION


  • SOUND
  • Sets
    • 1...Qh6
      • 2.Qf1
        • threat
          • 3.Qa1#
    • 1...Qg8
      • 2.Qf1
        • threat
          • 3.Qa1#
  • Keys
    • 1.Qe6!
      • threat
        • 2.Qb6+
          • 2...Qc5
            • 3.Qxf6#
          • 2...Sc5
            • 3.Qxb4#
      • 1...Qxe8
        • 2.Qb6+
          • 2...Sc5
            • 3.Qxc5#
            • 3.Qxb4#
        • 2.Qxf6+
          • 2...Qe5
            • 3.Qxe5#
      • 1...Qd6
        • 2.Sxd6
          • threat
            • 3.Sb5#
            • 3.Qxf6#
      • 1...Qe7
        • 2.Qb6+
          • 2...Qc5
            • 3.Qxf6#
          • 2...Sc5
            • 3.Qxb4#
      • 1...Qg7
        • 2.Sxf6
          • threat
            • 3.Qxd5#
            • 3.Qe5#
          • 2...Qxf6
            • 3.Qxf6#
        • 2.Qb6+
          • 2...Sc5
            • 3.Qxc5#
            • 3.Qxb4#
      • 1...Qf7
        • 2.Qb6+
          • 2...Sc5
            • 3.Qxc5#
            • 3.Qxb4#
      • 1...Sc5
        • 2.Qb6
          • threat
            • 3.Qxb4#
      • 1...Sc7
        • 2.Sxc7
          • threat
            • 3.Sb5#
            • 3.Qxd5#
          • 2...Qc5
            • 3.Qxf6#
        • 2.Qb6+
          • 2...Qc5
            • 3.Qxc5#
            • 3.Qxf6#
      • 1...Sb8
        • 2.Sc7
          • threat
            • 3.Sb5#
            • 3.Qxd5#
          • 2...Qc5
            • 3.Qxf6#
        • 2.Qb6+
          • 2...Qc5
            • 3.Qxc5#
            • 3.Qxf6#
      • 1...Sf7
        • 2.Qxf6+
          • 2...Se5
            • 3.Qxe5#
      • 1...b5
        • 2.Qxa6
          • threat
            • 3.Qa1#
          • 2...Qc5
            • 3.Qxf6#
      • 1...b6
        • 2.Qxb6+
          • 2...Qc5
            • 3.Qxf6#
          • 2...Sc5
            • 3.Qxb4#

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).