Problem Display
PID: 65960 (K4b2/5b2/1p1kp3/2NN2p1/4PP2/Q2P4/8/8 w - - 0 1)

Anonymous

The Chess Monthly (Hoffer), 1881

K4b2/5b2/1p1kp3/2NN2p1/4PP2/Q2P4/8/8

#3

7 + 6


SOLUTION


  • SOUND
  • Sets
    • 1...b5
      • 2.Qa6+
        • 2...Kxc5
          • 3.Qb6#
  • Tries
    • 1.Sa6+?
      • 1...Kc6
        • 2.Sb8+
          • 2...Kb5
            • 3.Sc3#
            • 3.Sc7#
      • 1...Kd7!
    • 1.Sd7+?
      • 1...Kc6
        • 2.Se5+
          • 2...Kb5
            • 3.Sc3#
            • 3.Sc7#
        • 2.Sb8+
          • 2...Kb5
            • 3.Sc3#
            • 3.Sc7#
      • 1...Kxd7!
    • 1.Qa7?
      • threat
        • 2.Qxb6#
        • 2.Qc7#
      • 1...Kxc5
        • 2.Qxb6#
      • 1...Kc6
        • 2.Qxb6#
      • 1...gxf4
        • 2.Qc7#
      • 1...bxc5
        • 2.Qc7#
      • 1...Be8
        • 2.Qc7#
      • 1...b5
        • 2.Qb6#
        • 2.Qc7#
      • 1...exd5!
  • Keys
    • 1.Qa4!
      • threat
        • 2.Sb7#
      • 1...Kxc5
        • 2.Qc4+
          • 2...Kd6
            • 3.Qc7#
      • 1...gxf4
        • 2.Sb7+
          • 2...Ke5
            • 3.Qa1#
      • 1...bxc5
        • 2.e5+
          • 2...Kxd5
            • 3.Qe4#
      • 1...exd5
        • 2.e5+
          • 2...Kxc5
            • 3.d4#
          • 2...Kc7
            • 3.Qd7#
          • 2...Ke7
            • 3.Qd7#
      • 1...b5
        • 2.Qa6+
          • 2...Kxc5
            • 3.Qb6#
      • 1...e5
        • 2.Sb7+
          • 2...Ke6
            • 3.f5#

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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).