Problem Display
PID: 40445 (8/8/6Q1/8/8/8/k7/2Kb4 w - - 0 1)

Speckmann, Werner

Heidelberger Tageblatt, 1967

8/8/6Q1/8/8/8/k7/2Kb4

#3

2 + 2


4349 Kleinste Schachaufgaben Drei- und Viersteiner 1970

SOLUTION


  • SOUND
  • Sets
    • 1...Ka1
      • 2.Qb1#
    • 1...Bb3
      • 2.Qa6+
        • 2...Ba4
          • 3.Qxa4#
    • 1...Ba4
      • 2.Qb1+
        • 2...Ka3
          • 3.Qb2#
  • Tries
    • 1.Qf7+?
      • 1...Ka1
        • 2.Qf6+
          • 2...Ka2
            • 3.Qb2#
        • 2.Qa7+
          • 2...Ba4
            • 3.Qxa4#
        • 2.Qg7+
          • 2...Ka2
            • 3.Qb2#
      • 1...Bb3
        • 2.Qa7+
          • 2...Ba4
            • 3.Qxa4#
      • 1...Ka3!
    • 1.Qg3?
      • threat
        • 2.Qc3
          • threat
            • 3.Qb2#
      • 1...Bf3
        • 2.Qxf3
          • 2...Ka1
            • 3.Qa8#
            • 3.Qa3#
      • 1...Bb3!
    • 1.Qa6+?
      • 1...Ba4
        • 2.Qxa4#
      • 1...Kb3!
    • 1.Qb6?
      • threat
        • 2.Qb2#
      • 1...Bb3
        • 2.Qa5+
          • 2...Ba4
            • 3.Qxa4#
        • 2.Qa7+
          • 2...Ba4
            • 3.Qxa4#
        • 2.Qa6+
          • 2...Ba4
            • 3.Qxa4#
      • 1...Ka3!
    • 1.Qe6+?
      • 1...Ka1
        • 2.Qe5+
          • 2...Ka2
            • 3.Qb2#
        • 2.Qa6+
          • 2...Ba4
            • 3.Qxa4#
        • 2.Qf6+
          • 2...Ka2
            • 3.Qb2#
      • 1...Bb3
        • 2.Qa6+
          • 2...Ba4
            • 3.Qxa4#
      • 1...Ka3!
    • 1.Qg8+?
      • 1...Ka1
        • 2.Qg7+
          • 2...Ka2
            • 3.Qb2#
        • 2.Qa8+
          • 2...Ba4
            • 3.Qxa4#
        • 2.Qh8+
          • 2...Ka2
            • 3.Qb2#
      • 1...Bb3
        • 2.Qa8+
          • 2...Ba4
            • 3.Qxa4#
      • 1...Ka3!
  • Keys
    • 1.Qd3!
      • threat
        • 2.Qc3
          • threat
            • 3.Qb2#
      • 1...Bb3
        • 2.Qa6+
          • 2...Ba4
            • 3.Qxa4#

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).