Problem Display
PID: 273158 (KR2n3/6pb/kp4r1/3N3R/pBp5/2P1p3/6n1/4b3 w - - 0 1)

Jonsson, Christer

Springaren, 1989

KR2n3/6pb/kp4r1/3N3R/pBp5/2P1p3/6n1/4b3

#5

6 + 11


SOLUTION


  • SOUND
  • Keys
    • 1.Ba5!
      • threat
        • 2.Sb4#
      • 1...Kxa5
        • 2.Sb4+
          • 2...Rg5
            • 3.Rxg5+
              • 3...Bf5
                • 4.Rxf5+
                  • 4...b5
                    • 5.Rfxb5#
                    • 5.Rbxb5#
        • 2.Sc7+
          • 2...Rg5
            • 3.Rxg5+
              • 3...Bf5
                • 4.Rxf5+
                  • 4...b5
                    • 5.Rfxb5#
                    • 5.Rbxb5#
      • 1...Bxc3
        • 2.Bxc3
          • threat
            • 3.Sb4#
          • 2...Kb5
            • 3.Sb4+
              • 3...Rg5
                • 4.Rxg5+
                  • 4...Bf5
                    • 5.Rxf5#
      • 1...bxa5
        • 2.Rg5
          • threat
            • 3.Rxg6+
              • 3...Bxg6
                • 4.Rb6#
              • 3...Sd6
                • 4.Sc7#
                • 4.Rxd6#
                • 4.Rb6#
              • 3...Sf6
                • 4.Sc7#
                • 4.Rb6#
          • 2...Rc6
            • 3.Rxg7
              • threat
                • 4.Ra7#
              • 3...Sc7+
                • 4.Rxc7
                  • threat
                    • 5.Rxc6#
                    • 5.Ra7#
                  • 4...Rxc7
                    • 5.Sxc7#
                    • 5.Rb6#
                  • 4...Rb6
                    • 5.Rxb6#
              • 3...Sxg7
                • 4.Rb6+
                  • 4...Rxb6
                    • 5.Sc7#
      • 1...Rg5
        • 2.Sb4+
          • 2...Kxa5
            • 3.Rxg5+
              • 3...Bf5
                • 4.Rxf5+
                  • 4...b5
                    • 5.Rfxb5#
                    • 5.Rbxb5#

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).