Problem Display
PID: 30584 (8/2p2p2/2P2P2/1RN1P3/PPk5/3pK3/1P1P3p/n3N2B w - - 0 1)

Stevenson, Edward

The Problemist, 1966

8/2p2p2/2P2P2/1RN1P3/PPk5/3pK3/1P1P3p/n3N2B

#3

12 + 6


SOLUTION


  • SOUND
  • Sets
    • 1...Sc2+
      • 2.Sxc2
        • 2...dxc2
          • 3.b3#
          • 3.d3#
    • 1...Sb3
      • 2.Sb7
        • threat
          • 3.Bd5#
        • 2...Sc5
          • 3.Sa5#
  • Tries
    • 1.Ke4?
      • threat
        • 2.Sc2
          • threat
            • 3.Sa3#
            • 3.Se3#
          • 2...Sxc2
            • 3.b3#
          • 2...dxc2
            • 3.d3#
        • 2.Sg2
          • threat
            • 3.Se3#
          • 2...Sc2
            • 3.b3#
      • 1...Sc2
        • 2.b3#
      • 1...Sb3!
    • 1.Sc2?
      • threat
        • 2.Sa3#
      • 1...dxc2
        • 2.d3#
      • 1...Sxc2+!
    • 1.Sexd3?
      • threat
        • 2.b3+
          • 2...Sxb3
            • 3.Sb2#
      • 1...Sb3
        • 2.Sf4
          • threat
            • 3.Bd5#
            • 3.d3#
        • 2.Sb7
          • threat
            • 3.Bd5#
          • 2...Sc5
            • 3.Sa5#
      • 1...Sc2+!
    • 1.Scxd3?
      • threat
        • 2.Bd5#
      • 1...Kb3
        • 2.Bd5+
          • 2...Kxa4
            • 3.Ra5#
      • 1...Sc2+!
    • 1.Rb7?
      • 1...Sc2+
        • 2.Sxc2
          • 2...dxc2
            • 3.b3#
            • 3.d3#
      • 1...Sb3!
    • 1.Rb8?
      • 1...Sc2+
        • 2.Sxc2
          • 2...dxc2
            • 3.b3#
            • 3.d3#
      • 1...Sb3!
  • Keys
    • 1.Sg2!
      • threat
        • 2.Ke4
          • threat
            • 3.Se3#
          • 2...Sc2
            • 3.b3#
      • 1...Sc2+
        • 2.Ke4
          • threat
            • 3.b3#
          • 2...Sa1
            • 3.Se3#
          • 2...Sd4
            • 3.Se3#
      • 1...Kd5
        • 2.Sf4+
          • 2...Kc4
            • 3.Bd5#
          • 2...Kxe5
            • 3.Se4#
      • 1...Sb3
        • 2.Sf4
          • threat
            • 3.Bd5#

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).