Problem Display
PID: 220026 (8/8/2B5/4N3/3k4/2N2p2/5K2/6Q1 w - - 0 1)

Ender, Adolf

Badische Neueste Nachrichten, 1998

8/8/2B5/4N3/3k4/2N2p2/5K2/6Q1

#3

5 + 2


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Tries
    • 1.Sb5+?
      • 1...Kc5
        • 2.Qa1
          • threat
            • 3.Qd4#
          • 2...Kb4
            • 3.Qa3#
          • 2...Kb6
            • 3.Qa7#
      • 1...Kxe5!
    • 1.Sd5?
      • threat
        • 2.Qe1
          • 2...Kc5
            • 3.Qb4#
      • 1...Ke4
        • 2.Qg5
          • 2...Kd4
            • 3.Qe3#
      • 1...Kc5
        • 2.Qg5
          • 2...Kd4
            • 3.Qe3#
          • 2...Kd6
            • 3.Qe7#
      • 1...Kxe5!
    • 1.Qa1?
      • threat
        • 2.Sa4#
        • 2.Se4#
      • 1...Kc5
        • 2.Sb5
          • threat
            • 3.Qd4#
          • 2...Kb4
            • 3.Qa3#
          • 2...Kb6
            • 3.Qa7#
      • 1...Kxe5!
    • 1.Qg5?
      • threat
        • 2.Qe3#
      • 1...Kc5
        • 2.Sd5
          • 2...Kd4
            • 3.Qe3#
          • 2...Kd6
            • 3.Qe7#
      • 1...Kxc3!
  • Keys
    • 1.Se4!
      • 1...Kxe5
        • 2.Qg5+
          • 2...Kd4
            • 3.Qd5#
          • 2...Ke6
            • 3.Qf6#

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).