Problem Display
PID: 118173 (6N1/P3Qr1r/p2P1p2/K1pn4/2k1Pn2/1Np1P3/2P1p3/4B3 w - - 0 1)

Petkov, Petko Andonov

Puig Ambros MT, 1962

6N1/P3Qr1r/p2P1p2/K1pn4/2k1Pn2/1Np1P3/2P1p3/4B3

#3

10 + 10


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Sc7
      • 2.Ka4
        • threat
          • 3.Sa5#
        • 2...a5
          • 3.Sxa5#
  • Tries
    • 1.Ka4?
      • threat
        • 2.Sa5#
      • 1...Sxe3
        • 2.a8Q
          • threat
            • 3.Qxa6#
          • 2...a5
            • 3.Qa6#
      • 1...Sb6+!
    • 1.Qb7?
      • threat
        • 2.Qxa6#
      • 1...Sb4
        • 2.Ka4
          • threat
            • 3.Sa5#
          • 2...Sxc2
            • 3.Qxa6#
          • 2...Sc6
            • 3.Qxa6#
          • 2...a5
            • 3.Sxa5#
            • 3.Qb5#
      • 1...Sc7
        • 2.Ka4
          • threat
            • 3.Sa5#
          • 2...a5
            • 3.Sxa5#
        • 2.Sd2+
          • 2...cxd2
            • 3.Qb3#
        • 2.dxc7
          • threat
            • 3.Qxa6#
      • 1...Rxb7!
    • 1.a8S?
      • threat
        • 2.Ka4
          • threat
            • 3.Sa5#
          • 2...Sb6+
            • 3.Sxb6#
          • 2...Sxe3
            • 3.Sb6#
          • 2...a5
            • 3.Sxa5#
      • 1...Sg2
        • 2.Qe6
          • threat
            • 3.Sb6#
            • 3.Qxd5#
      • 1...Sd3
        • 2.Qe6
          • threat
            • 3.Sb6#
            • 3.Qxd5#
      • 1...Rh3!
  • Keys
    • 1.a8Q!
      • threat
        • 2.Qxa6#
      • 1...Sb4
        • 2.Ka4
          • threat
            • 3.Sa5#
          • 2...Sxc2
            • 3.Qxa6#
          • 2...Sc6
            • 3.Qxa6#
          • 2...a5
            • 3.Sxa5#
      • 1...Sc7
        • 2.Ka4
          • threat
            • 3.Sa5#
          • 2...a5
            • 3.Sxa5#
        • 2.Qxc7
          • threat
            • 3.Qxc5#
            • 3.Qxa6#
        • 2.dxc7
          • threat
            • 3.Qxc5#
            • 3.Qxa6#

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).