Problem Display
PID: 199181 (b1Q5/8/3p1p2/3k1p2/7K/1Np5/2N5/8 w - - 0 1)

Genttner, Jaroslav

Moravskoslezsky denik, 1921

b1Q5/8/3p1p2/3k1p2/7K/1Np5/2N5/8

#3

4 + 6


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Sets
    • 1...Ke5
      • 2.Qe8+
        • 2...Kf4
          • 3.Qe3#
        • 2...Kd5
          • 3.Se3#
    • 1...Bc6
      • 2.Qxf5+
        • 2...Kc4
          • 3.Sa5#
  • Tries
    • 1.Se3+?
      • 1...Ke5
        • 2.Qxf5#
      • 1...Ke4!
    • 1.Scd4?
      • threat
        • 2.Qe6#
      • 1...Ke5
        • 2.Qxf5#
      • 1...Ke4!
    • 1.Sbd4?
      • threat
        • 2.Qxf5+
          • 2...Kc4
            • 3.Qb5#
      • 1...f4
        • 2.Qf5+
          • 2...Kc4
            • 3.Qb5#
      • 1...Bc6!
    • 1.Qxf5+?
      • 1...Kc4
        • 2.Sa5#
      • 1...Kc6!
    • 1.Qxa8+?
      • 1...Ke5
        • 2.Qe8+
          • 2...Kf4
            • 3.Qe3#
          • 2...Kd5
            • 3.Se3#
      • 1...Ke6
        • 2.Qe8+
          • 2...Kd5
            • 3.Se3#
      • 1...Kc4!
    • 1.Qe8?
      • threat
        • 2.Se3#
      • 1...f4
        • 2.Scd4
          • threat
            • 3.Qe6#
          • 2...Kc4
            • 3.Qb5#
      • 1...Kc4!
  • Keys
    • 1.Kg3!
      • threat
        • 2.Kf4
          • threat
            • 3.Se3#
            • 3.Sb4#
        • 2.Sb4+
          • 2...Ke4
            • 3.Qe6#
            • 3.Qe8#
          • 2...Ke5
            • 3.Qe8#
      • 1...f4+
        • 2.Kxf4
          • threat
            • 3.Se3#
            • 3.Sb4#
      • 1...Ke4
        • 2.Qe6+
          • 2...Kd3
            • 3.Se1#
            • 3.Sb4#
      • 1...Ke5
        • 2.Qe8+
          • 2...Kd5
            • 3.Se3#
      • 1...Bc6
        • 2.Qxf5+
          • 2...Kc4
            • 3.Sa5#
      • 1...Bb7
        • 2.Sb4+
          • 2...Ke4
            • 3.Qe6#
            • 3.Qe8#
          • 2...Ke5
            • 3.Qe8#

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).