Problem Display
PID: 3458 (8/2PN4/8/p1PN3K/r2k4/p4Q2/3p4/8 w - - 0 1)

Orlimont, PA (= Ernst Krieger)

Kolnische Zeitung, 1936

8/2PN4/8/p1PN3K/r2k4/p4Q2/3p4/8

#3

6 + 5


SOLUTION


  • SOUND
  • Tries
    • 1.Qc3+?
      • 1...Ke4
        • 2.S7f6+
          • 2...Kf5
            • 3.c8Q#
            • 3.c8B#
      • 1...Kxd5!
  • Keys
    • 1.c8S!
      • threat
        • 2.Sd6
          • threat
            • 3.Qe4#
          • 2...d1Q
            • 3.Qxd1#
          • 2...d1B
            • 3.Qxd1#
      • 1...Kc4
        • 2.Sd6+
          • 2...Kd4
            • 3.Qe4#
      • 1...d1Q
        • 2.Qxd1+
          • 2...Kc4
            • 3.Sd6#
          • 2...Ke4
            • 3.Sd6#
      • 1...d1S
        • 2.Qxd1+
          • 2...Kc4
            • 3.Sd6#
          • 2...Ke4
            • 3.Sd6#
      • 1...d1B
        • 2.Qxd1+
          • 2...Kc4
            • 3.Sd6#
          • 2...Ke4
            • 3.Sd6#
      • 1...d1R
        • 2.Qxd1+
          • 2...Kc4
            • 3.Sd6#
          • 2...Ke4
            • 3.Sd6#
      • 1...Rc4
        • 2.Sd6
          • threat
            • 3.Sb5#
            • 3.Sf5#
            • 3.Qe4#
        • 2.Qe3+
          • 2...Kxd5
            • 3.Se7#

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).