Problem Display
PID: 85547 (6Br/RK5P/p7/1pPp1Pb1/1pk4r/pN1R4/2P5/3N3b w - - 0 1)

Petri, Max

Die Schwalbe, 1963

6Br/RK5P/p7/1pPp1Pb1/1pk4r/pN1R4/2P5/3N3b

#4

10 + 10


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Keys
    • 1.Kb6!
      • threat
        • 2.Sa5#
      • 1...Rh6+
        • 2.f6
          • threat
            • 3.Sa5#
            • 3.Rd4#
          • 2...Rxf6+
            • 3.Ka5
              • threat
                • 4.Rd4#
              • 3...Rf4
                • 4.Se3#
              • 3...Be3
                • 4.Sxe3#
      • 1...Bd8+
        • 2.Rc7
          • threat
            • 3.Se3#
            • 3.Sd2#
            • 3.Sa5#
          • 2...Rh6+
            • 3.Ka7
              • threat
                • 4.Se3#
                • 4.Sd2#
                • 4.Sa5#
                • 4.Rd4#
          • 2...Bxc7+
            • 3.Kb7
              • threat
                • 4.Se3#
              • 3...Rh3
                • 4.Rd4#
              • 3...Re4
                • 4.Bxd5#
              • 3...Bf4
                • 4.Rd4#

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).