Problem Display
PID: 260621 (8/6N1/1Q6/3k4/2p3K1/5P2/r2P4/8 w - - 0 1)

Kupper, Josef

Neue Zurcher Zeitung, 1954

8/6N1/1Q6/3k4/2p3K1/5P2/r2P4/8

#3

5 + 3


6490 yacpdb 2022

SOLUTION


  • SOUND
  • Sets
    • 1...Ke5
      • 2.Qe6+
        • 2...Kd4
          • 3.Qd6#
  • Tries
    • 1.Sf5?
      • threat
        • 2.Qd6#
      • 1...c3
        • 2.Se3+
          • 2...Ke5
            • 3.d4#
      • 1...Ra6!
    • 1.Se8?
      • threat
        • 2.Qd6#
      • 1...Ra6
        • 2.Sf6+
          • 2...Ke5
            • 3.f4#
      • 1...c3!
    • 1.Qc6+?
      • 1...Ke5
        • 2.Sf5
          • threat
            • 3.Qd6#
            • 3.f4#
        • 2.Se8
          • threat
            • 3.Qe4#
            • 3.Qd6#
          • 2...Kd4
            • 3.Qd6#
        • 2.Qe6+
          • 2...Kd4
            • 3.Qd6#
      • 1...Kxc6!
    • 1.Qe6+?
      • 1...Kd4
        • 2.Qd6#
      • 1...Kc5!
  • Keys
    • 1.Sh5!
      • threat
        • 2.Sf6+
          • 2...Ke5
            • 3.f4#
      • 1...Ke5
        • 2.Sf6
          • threat
            • 3.f4#
      • 1...c3
        • 2.Sf4+
          • 2...Kc4
            • 3.d3#
          • 2...Ke5
            • 3.d4#

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).