Problem Display
PID: 201250 (8/8/7N/8/6Pk/Q7/3KN3/8 w - - 0 1)

Massmann, Wilhelm Karl Heinrich

Gelsenkirchener allgemeine Zeitung, 1922

8/8/7N/8/6Pk/Q7/3KN3/8

#3

5 + 1


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Tries
    • 1.Qc1?
      • threat
        • 2.Kc2
          • 2...Kh3
            • 3.Qh1#
        • 2.Kc3
          • 2...Kh3
            • 3.Qh1#
        • 2.Kd3
          • 2...Kh3
            • 3.Qh1#
      • 1...Kh3
        • 2.Qh1#
      • 1...Kg5!
    • 1.Qd6?
      • threat
        • 2.Sg1
          • 2...Kg5
            • 3.Sf3#
        • 2.Qf4
          • 2...Kh3
            • 3.Qg3#
        • 2.Qe5
          • 2...Kh3
            • 3.Qg3#
        • 2.Qd5
          • 2...Kh3
            • 3.Qh1#
      • 1...Kh3
        • 2.Qg3#
      • 1...Kg5!
    • 1.Qa1?
      • threat
        • 2.Qe5
          • 2...Kh3
            • 3.Qg3#
      • 1...Kh3
        • 2.Qh1#
      • 1...Kg5!
    • 1.Qa8?
      • threat
        • 2.Qd5
          • 2...Kh3
            • 3.Qh1#
      • 1...Kh3
        • 2.Qh1#
      • 1...Kg5!
  • Keys
    • 1.Sf4!
      • 1...Kg5
        • 2.Qe7+
          • 2...Kxf4
            • 3.Qe3#
          • 2...Kxh6
            • 3.g5#

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).