Problem Display
PID: 170630 (3Q4/4K3/8/8/4k3/3N4/4P3/8 w - - 0 1)

Massmann, Wilhelm Karl Heinrich

Basler Nachrichten, 1968

3Q4/4K3/8/8/4k3/3N4/4P3/8

#3

4 + 1


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Tries
    • 1.Qa5?
      • threat
        • 2.Qe5#
      • 1...Kd4
        • 2.Qc5+
          • 2...Ke4
            • 3.Qe5#
      • 1...Ke3!
    • 1.Qb6?
      • 1...Kd5
        • 2.Qc5+
          • 2...Ke4
            • 3.Qe5#
      • 1...Kf5!
    • 1.Qc7?
      • threat
        • 2.Qe5#
      • 1...Kd4
        • 2.Qc5+
          • 2...Ke4
            • 3.Qe5#
      • 1...Kd5
        • 2.Qc3
          • 2...Ke4
            • 3.Qe5#
        • 2.Qc5+
          • 2...Ke4
            • 3.Qe5#
      • 1...Kf5
        • 2.Qg3
          • 2...Ke4
            • 3.Qe5#
      • 1...Ke3!
    • 1.Qd4+?
      • 1...Kf5
        • 2.Qg7
          • 2...Ke4
            • 3.Qe5#
      • 1...Kxd4!
    • 1.Qd6?
      • threat
        • 2.Qe5#
      • 1...Kf5
        • 2.Qg3
          • 2...Ke4
            • 3.Qe5#
      • 1...Ke3!
    • 1.Qc8?
      • 1...Kd4
        • 2.Qc5+
          • 2...Ke4
            • 3.Qe5#
      • 1...Kd5
        • 2.Qc3
          • 2...Ke4
            • 3.Qe5#
        • 2.Qc5+
          • 2...Ke4
            • 3.Qe5#
      • 1...Ke3!
  • Keys
    • 1.Qh8!
      • threat
        • 2.Qe5#
      • 1...Ke3
        • 2.Qb2
          • 2...Ke4
            • 3.Qe5#
      • 1...Kd5
        • 2.Qc3
          • 2...Ke4
            • 3.Qe5#
      • 1...Kf5
        • 2.Qg7
          • 2...Ke4
            • 3.Qe5#
        • 2.Qh5+
          • 2...Ke4
            • 3.Qe5#

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).