Problem Display
PID: 55355 (7Q/8/8/4N3/3k4/1K6/2P5/3N4 w - - 0 1)

Wurzburg, Otto

Source?, 0000

7Q/8/8/4N3/3k4/1K6/2P5/3N4

#3

5 + 1


3757 Schachminiaturen I 1902
3713 Snap 2005

SOLUTION


  • SOUND
  • Tries
    • 1.Sd3+?
      • 1...Ke4
        • 2.Qf6
          • 2...Kd5
            • 3.Sc3#
        • 2.Qh5
          • 2...Kd4
            • 3.Qe5#
      • 1...Kd5!
    • 1.Sd7+?
      • 1...Ke4
        • 2.Qf6
          • 2...Kd5
            • 3.Sc3#
      • 1...Kd5!
    • 1.Qf6?
      • threat
        • 2.Sc3
          • 2...Ke3
            • 3.Sc4#
          • 2...Kc5
            • 3.Sd3#
            • 3.Sd7#
      • 1...Ke4
        • 2.Sd3
          • 2...Kd5
            • 3.Sc3#
        • 2.Sd7
          • 2...Kd5
            • 3.Sc3#
      • 1...Kc5
        • 2.Sd7+
          • 2...Kb5
            • 3.Qb6#
          • 2...Kd5
            • 3.Sc3#
        • 2.Qc6+
          • 2...Kd4
            • 3.Sf3#
      • 1...Kd5!
    • 1.Qh1?
      • 1...Kc5
        • 2.Qc6+
          • 2...Kd4
            • 3.Sf3#
      • 1...Kxe5!
    • 1.Qa8?
      • 1...Kc5
        • 2.Qc6+
          • 2...Kd4
            • 3.Sf3#
      • 1...Kxe5!
    • 1.c4?
      • 1...Kc5
        • 2.Qh6
          • 2...Kd4
            • 3.Qe3#
      • 1...Ke4!
  • Keys
    • 1.Sc3!
      • threat
        • 2.Qf6
          • 2...Ke3
            • 3.Sc4#
          • 2...Kc5
            • 3.Sd3#
            • 3.Sd7#
      • 1...Ke3
        • 2.Sd3
          • 2...Kd2
            • 3.Qh6#
          • 2...Kf3
            • 3.Qh3#
      • 1...Kc5
        • 2.Sc4
          • 2...Kc6
            • 3.Qc8#

This anticipates 26422(0000)

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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).