Problem Display
PID: 106629 (6n1/1pQ5/kP1pK3/3P4/2Np4/1bpN4/P1P5/2b5 w - - 0 1)

Kadourek, Eduard

Lidova Demokracie, 1956

6n1/1pQ5/kP1pK3/3P4/2Np4/1bpN4/P1P5/2b5

#3

8 + 8


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Kb5
      • 2.Qd7+
        • 2...Kxc4
          • 3.axb3#
        • 2...Ka6
          • 3.Sb4#
  • Tries
    • 1.Qc5?
      • threat
        • 2.Sb4#
        • 2.Qa5#
      • 1...Bxc4
        • 2.Sb4#
      • 1...Ba3
        • 2.Qa5#
      • 1...dxc5!
    • 1.Qxb7+?
      • 1...Kb5
        • 2.Sxd6+
          • 2...Ka4
            • 3.Qa6#
            • 3.Qa8#
            • 3.Qa7#
          • 2...Ka5
            • 3.Qa7#
        • 2.Qc6+
          • 2...Ka6
            • 3.Sb4#
        • 2.Qa7
          • threat
            • 3.Sxd6#
          • 2...Kxc4
            • 3.Qa6#
          • 2...Bxc4
            • 3.a4#
          • 2...Ba3
            • 3.Sxa3#
          • 2...Bf4
            • 3.Sa3#
        • 2.Qd7+
          • 2...Kxc4
            • 3.Qc6#
            • 3.axb3#
          • 2...Ka6
            • 3.Sb4#
      • 1...Kxb7!
    • 1.Qd7?
      • threat
        • 2.Sb4#
      • 1...Ba3
        • 2.axb3
          • threat
            • 3.Qa4#
          • 2...Bb4
            • 3.Sxb4#
        • 2.cxb3
          • threat
            • 3.Qa4#
          • 2...Bb4
            • 3.Sxb4#
      • 1...Bxc4!
  • Keys
    • 1.Qb8!
      • threat
        • 2.Qa7+
          • 2...Kb5
            • 3.Sxd6#
      • 1...Kb5
        • 2.Qe8+
          • 2...Kxc4
            • 3.axb3#
          • 2...Ka6
            • 3.Sb4#
      • 1...Bxc4
        • 2.Qa7+
          • 2...Kb5
            • 3.a4#
      • 1...Bd2
        • 2.Qa7+
          • 2...Kb5
            • 3.Sa3#
            • 3.Sxd6#
      • 1...Ba3
        • 2.Qa7+
          • 2...Kb5
            • 3.Sxa3#
      • 1...Be3
        • 2.Qa7+
          • 2...Kb5
            • 3.Sa3#
            • 3.Sxd6#
      • 1...Bf4
        • 2.Qa7+
          • 2...Kb5
            • 3.Sa3#
      • 1...Bg5
        • 2.Qa7+
          • 2...Kb5
            • 3.Sa3#
            • 3.Sxd6#
      • 1...Bh6
        • 2.Qa7+
          • 2...Kb5
            • 3.Sa3#
            • 3.Sxd6#

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).