Problem Display
PID: 126846 (8/8/P1P5/P1P5/k1K5/1N6/1PN5/n2BB3 w - - 0 1)

Denkovski, Ivan

4th Place, Liga Problemista, 1987/4

8/8/P1P5/P1P5/k1K5/1N6/1PN5/n2BB3

#3

10 + 2


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Sa3?
      • threat
        • 2.Sxa1#
      • 1...Sxb3
        • 2.Bxb3#
      • 1...Sc2!
    • 1.Se3?
      • threat
        • 2.Sxa1#
      • 1...Sxb3
        • 2.Bxb3#
      • 1...Sc2!
    • 1.Sb4?
      • threat
        • 2.Sa2
          • threat
            • 3.Sc3#
            • 3.Sxa1#
          • 2...Sxb3
            • 3.Bxb3#
        • 2.Sd5
          • threat
            • 3.Sxa1#
            • 3.Sc3#
            • 3.Sb6#
      • 1...Sxb3
        • 2.a7
          • 2...Kxa5
            • 3.a8Q#
            • 3.a8R#
      • 1...Sc2!
    • 1.Scd4?
      • threat
        • 2.Sxa1#
      • 1...Sxb3
        • 2.Bxb3#
      • 1...Sc2!
    • 1.Sc1?
      • threat
        • 2.Sxa1#
      • 1...Sxc2
        • 2.Bxc2#
      • 1...Sb3!
    • 1.Sd2?
      • 1...Kxa5
        • 2.a7
          • threat
            • 3.a8Q#
            • 3.a8R#
          • 2...Ka4
            • 3.a8Q#
            • 3.a8R#
          • 2...Ka6
            • 3.a8Q#
            • 3.a8R#
      • 1...Sxc2
        • 2.a7
          • 2...Kxa5
            • 3.a8Q#
            • 3.a8R#
      • 1...Sb3!
    • 1.Sbd4?
      • threat
        • 2.Sxa1#
      • 1...Sxc2
        • 2.Bxc2#
      • 1...Sb3!
  • Keys
    • 1.a7!
      • threat
        • 2.a8S
          • threat
            • 3.Sb6#
      • 1...Sxc2
        • 2.Sd2
          • 2...Kxa5
            • 3.a8Q#
            • 3.a8R#
      • 1...Sxb3
        • 2.Sb4
          • 2...Kxa5
            • 3.a8Q#
            • 3.a8R#

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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).