Problem Display
PID: 35877 (8/3R3p/p4p1P/p2NkB2/p6P/P7/8/5R1K w - - 0 1)

Massmann, Wilhelm Karl Heinrich

2nd Prize, Probleemblad, 1959

8/3R3p/p4p1P/p2NkB2/p6P/P7/8/5R1K

#4

8 + 6


SOLUTION


  • SOUND
  • Keys
    • 1.Bb1!
      • threat
        • 2.Sc7
          • 2...f5
            • 3.Rxf5#
      • 1...Kd4
        • 2.Sb6+
          • 2...Kc3
            • 3.Rf2
              • threat
                • 4.Rd3#
              • 3...Kb3
                • 4.Rd3#
          • 2...Ke3
            • 3.Sc4+
              • 3...Ke2
                • 4.Bd3#
          • 2...Kc5
            • 3.Rxf6
              • 3...Kb5
                • 4.Rd5#
          • 2...Ke5
            • 3.Sc4+
              • 3...Ke6
                • 4.Bf5#
      • 1...Ke6
        • 2.Sxf6
          • 2...Ke5
            • 3.Sg4+
              • 3...Ke6
                • 4.Bf5#
      • 1...f5
        • 2.Sc7
          • threat
            • 3.Rxf5#
          • 2...Kf6
            • 3.Rxf5+
              • 3...Kg6
                • 4.Rd6#
          • 2...f4
            • 3.Re1+
              • 3...Kf6
                • 4.Sd5#
                • 4.Se8#
                • 4.Re6#

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).