Problem Display
PID: 31982 (8/6Bp/1N1pK1p1/2prp1P1/2Pkp3/7R/1Pn1P1N1/8 w - - 0 1)

Rudenko, Valentin Fedorovich

Europe Echecs, 1974

8/6Bp/1N1pK1p1/2prp1P1/2Pkp3/7R/1Pn1P1N1/8

#3

9 + 9


SOLUTION


  • SOUND
  • Sets
    • 1...Sa1
      • 2.Se1
        • threat
          • 3.e3#
        • 2...e3
          • 3.Rh4#
        • 2...Sc2
          • 3.Sxc2#
    • 1...Se1
      • 2.Sxe1
        • threat
          • 3.Sc2#
          • 3.e3#
        • 2...e3
          • 3.Rh4#
    • 1...Sa3
      • 2.Se1
        • threat
          • 3.e3#
        • 2...Sxc4
          • 3.Sc2#
        • 2...e3
          • 3.Rh4#
        • 2...Sc2
          • 3.Sxc2#
    • 1...Se3
      • 2.Sxe3
        • threat
          • 3.Sc2#
    • 1...Sb4
      • 2.Se1
        • threat
          • 3.e3#
        • 2...e3
          • 3.Rh4#
        • 2...Sc2
          • 3.Sxc2#
    • 1...e3
      • 2.Rh4#
  • Tries
    • 1.Se1?
      • threat
        • 2.Sxc2#
      • 1...Se3
        • 2.Bh6
          • 2...Sxc4
            • 3.Sc2#
          • 2...Sd1
            • 3.Sc2#
          • 2...Sf1
            • 3.Sc2#
          • 2...Sc2
            • 3.Sxc2#
          • 2...Sg2
            • 3.Sc2#
          • 2...Sg4
            • 3.Sc2#
          • 2...Sf5
            • 3.Sc2#
        • 2.Rh4
          • threat
            • 3.Sf3#
          • 2...Sxc4
            • 3.Sc2#
          • 2...Sd1
            • 3.Sc2#
          • 2...Sf1
            • 3.Sc2#
          • 2...Sc2
            • 3.Sxc2#
          • 2...Sg2
            • 3.Sc2#
          • 2...Sg4
            • 3.Sc2#
          • 2...Sf5
            • 3.Sc2#
        • 2.Rh6
          • 2...Sxc4
            • 3.Sc2#
          • 2...Sd1
            • 3.Sc2#
          • 2...Sf1
            • 3.Sc2#
          • 2...Sc2
            • 3.Sxc2#
          • 2...Sg2
            • 3.Sc2#
          • 2...Sg4
            • 3.Sc2#
          • 2...Sf5
            • 3.Sc2#
        • 2.Rxh7
          • 2...Sxc4
            • 3.Sc2#
          • 2...Sd1
            • 3.Sc2#
          • 2...Sf1
            • 3.Sc2#
          • 2...Sc2
            • 3.Sxc2#
          • 2...Sg2
            • 3.Sc2#
          • 2...Sg4
            • 3.Sc2#
          • 2...Sf5
            • 3.Sc2#
      • 1...Sxe1!
    • 1.Se3?
      • threat
        • 2.Sxc2#
      • 1...Sa1
        • 2.Bh6
          • 2...Sc2
            • 3.Sxc2#
          • 2...Sb3
            • 3.Sc2#
      • 1...Se1
        • 2.Bh6
          • 2...Sf3
            • 3.Sc2#
          • 2...Sc2
            • 3.Sxc2#
          • 2...Sg2
            • 3.Sc2#
          • 2...Sd3
            • 3.Sc2#
      • 1...Sa3
        • 2.Bh6
          • 2...Sxc4
            • 3.Sc2#
          • 2...Sb1
            • 3.Sc2#
          • 2...Sc2
            • 3.Sxc2#
          • 2...Sb5
            • 3.Sc2#
      • 1...Sb4
        • 2.Bh6
          • 2...Sa2
            • 3.Sc2#
          • 2...Sc2
            • 3.Sxc2#
          • 2...Sd3
            • 3.Sc2#
          • 2...Sa6
            • 3.Sc2#
          • 2...Sc6
            • 3.Sc2#
      • 1...Sxe3!
  • Keys
    • 1.Bh6!
      • 1...e3
        • 2.Bg7
          • threat
            • 3.Rh4#
          • 2...Ke4
            • 3.Rh4#
      • 1...Sa1
        • 2.Se3
          • 2...Sc2
            • 3.Sxc2#
          • 2...Sb3
            • 3.Sc2#
      • 1...Se1
        • 2.Se3
          • 2...Sf3
            • 3.Sc2#
          • 2...Sc2
            • 3.Sxc2#
          • 2...Sg2
            • 3.Sc2#
          • 2...Sd3
            • 3.Sc2#
      • 1...Sa3
        • 2.Se3
          • 2...Sxc4
            • 3.Sc2#
          • 2...Sb1
            • 3.Sc2#
          • 2...Sc2
            • 3.Sxc2#
          • 2...Sb5
            • 3.Sc2#
      • 1...Se3
        • 2.Se1
          • 2...Sxc4
            • 3.Sc2#
          • 2...Sd1
            • 3.Sc2#
          • 2...Sf1
            • 3.Sc2#
          • 2...Sc2
            • 3.Sxc2#
          • 2...Sg2
            • 3.Sc2#
          • 2...Sg4
            • 3.Sc2#
          • 2...Sf5
            • 3.Sc2#
      • 1...Sb4
        • 2.Se3
          • 2...Sa2
            • 3.Sc2#
          • 2...Sc2
            • 3.Sxc2#
          • 2...Sd3
            • 3.Sc2#
          • 2...Sa6
            • 3.Sc2#
          • 2...Sc6
            • 3.Sc2#

FEATURES


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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).