Problem Display
PID: 256207 (5K2/7Q/8/5pPp/B3pP2/p1BpP3/rn1N1pp1/k4r1R w - - 0 1)

Klett, Carl

Main-Post, 1973

5K2/7Q/8/5pPp/B3pP2/p1BpP3/rn1N1pp1/k4r1R

#4

9 + 11


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Bb3!
      • threat
        • 2.Bg8
          • threat
            • 3.Qf7
              • threat
                • 4.Qxa2#
      • 1...Rxh1
        • 2.Bg8
          • threat
            • 3.Qf7
              • threat
                • 4.Qxa2#
          • 2...f1Q
            • 3.Qf7
              • threat
                • 4.Qxa2#
              • 3...Qb1
                • 4.Sb3#
          • 2...g1Q
            • 3.Qf7
              • threat
                • 4.Qxa2#
              • 3...Qb1
                • 4.Sb3#
      • 1...g1S
        • 2.Bg8
          • threat
            • 3.Qf7
              • threat
                • 4.Qxa2#
          • 2...Se2
            • 3.Rxf1+
              • 3...Sc1
                • 4.Rxc1#
      • 1...Rg1
        • 2.Bg8
          • threat
            • 3.Qf7
              • threat
                • 4.Qxa2#
          • 2...f1Q
            • 3.Qf7
              • threat
                • 4.Qxa2#
              • 3...Qb1
                • 4.Sb3#

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).