Problem Display
PID: 260019 (6bk/1K3p2/3P1P2/4B1P1/4P3/1Q4P1/8/8 w - - 0 1)

Hirsch, Klaus

Neue Zurcher Zeitung, 1970

6bk/1K3p2/3P1P2/4B1P1/4P3/1Q4P1/8/8

#3

8 + 3


6490 yacpdb 2022

SOLUTION


  • SOUND
  • Tries
    • 1.Ka6?
      • 1...Bh7
        • 2.Qxf7
          • threat
            • 3.Qg7#
      • 1...Kh7!
    • 1.Kb6?
      • 1...Bh7
        • 2.Qxf7
          • threat
            • 3.Qg7#
      • 1...Kh7!
    • 1.Ka7?
      • 1...Bh7
        • 2.Qxf7
          • threat
            • 3.Qg7#
      • 1...Kh7!
    • 1.Kc7?
      • 1...Bh7
        • 2.Qxf7
          • threat
            • 3.Qg7#
      • 1...Kh7!
    • 1.Kb8?
      • 1...Bh7
        • 2.Qxf7
          • threat
            • 3.Qg7#
      • 1...Kh7!
    • 1.Qd1?
      • 1...Kh7
        • 2.Qh5#
      • 1...Bh7!
    • 1.Qa2?
      • 1...Kh7
        • 2.Qh2+
          • 2...Kg6
            • 3.Qh6#
      • 1...Bh7!
    • 1.Qc2?
      • 1...Kh7
        • 2.Qh2+
          • 2...Kg6
            • 3.Qh6#
      • 1...Bh7!
    • 1.Qb1?
      • 1...Kh7
        • 2.Qh1+
          • 2...Kg6
            • 3.Qh6#
      • 1...Bh7!
    • 1.Qb2?
      • 1...Kh7
        • 2.Qh2+
          • 2...Kg6
            • 3.Qh6#
      • 1...Bh7!
    • 1.Qf3?
      • 1...Kh7
        • 2.Qh5#
      • 1...Bh7!
    • 1.g4?
      • 1...Kh7
        • 2.Qh3+
          • 2...Kg6
            • 3.Qh5#
            • 3.Qh6#
      • 1...Bh7!
    • 1.g6?
      • 1...Bh7
        • 2.Qxf7
          • threat
            • 3.Qg7#
            • 3.Qxh7#
            • 3.g7#
      • 1...fxg6!
  • Keys
    • 1.Qe6!
      • 1...Kh7
        • 2.Qh3+
          • 2...Kg6
            • 3.Qh6#
      • 1...fxe6
        • 2.f7+
          • 2...Kh7
            • 3.f8S#
      • 1...Bh7
        • 2.Qh3
          • 2...Kg8
            • 3.Qc8#

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).