Problem Display
PID: 170770 (2Q5/k7/P7/2K5/3B3r/8/6b1/8 w - - 0 1)

Fabel, Karl

Basler Nachrichten, 1961

2Q5/k7/P7/2K5/3B3r/8/6b1/8

#4

4 + 3


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Keys
    • 1.Bf2!
      • threat
        • 2.Kb5+
          • 2...Rd4
            • 3.Bxd4#
        • 2.Kd6+
          • 2...Rd4+
            • 3.Bxd4#
      • 1...Rf4
        • 2.Be3
          • threat
            • 3.Kb5+
              • 3...Rd4
                • 4.Bxd4#
            • 3.Kd6+
              • 3...Rd4+
                • 4.Bxd4#
          • 2...Rf5+
            • 3.Kb4+
              • 3...Rc5
                • 4.Bxc5#
            • 3.Kc4+
              • 3...Rc5+
                • 4.Bxc5#
            • 3.Kd6+
              • 3...Rc5
                • 4.Bxc5#
          • 2...Ra4
            • 3.Kb5+
              • 3...Rd4
                • 4.Bxd4#
            • 3.Kd6+
              • 3...Rd4+
                • 4.Bxd4#
          • 2...Rd4
            • 3.Bxd4
              • threat
                • 4.Kb4#
                • 4.Kc4#
                • 4.Kb5#
                • 4.Kd6#
          • 2...Rg4
            • 3.Kb5+
              • 3...Rd4
                • 4.Bxd4#
            • 3.Kd6+
              • 3...Rd4+
                • 4.Bxd4#
          • 2...Rh4
            • 3.Kb5+
              • 3...Rd4
                • 4.Bxd4#
            • 3.Kd6+
              • 3...Rd4+
                • 4.Bxd4#
          • 2...Rf6
            • 3.Kb5+
              • 3...Rb6+
                • 4.Bxb6#

FEATURES


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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).