Problem Display
PID: 33965 (8/Q7/1N4P1/1pPP4/1k6/p3P3/4K3/B7 w - - 0 1)

Kaiser, Gerhard

Deutsche Schachzeitung, 1937

8/Q7/1N4P1/1pPP4/1k6/p3P3/4K3/B7

#4

8 + 3


3773 FIDE Album (1914-1944) (II) 1972

SOLUTION


  • SOUND
  • Keys
    • 1.Bh8!
      • 1...Kb3
        • 2.Qg7
          • threat
            • 3.Qc3+
              • 3...Ka2
                • 4.Qc2#
            • 3.Qa1
              • threat
                • 4.Qb1#
              • 3...Kc2
                • 4.Qd1#
              • 3...Kb4
                • 4.Qc3#
              • 3...a2
                • 4.Qb2#
                • 4.Qc3#
          • 2...Ka2
            • 3.Qa1+
              • 3...Kb3
                • 4.Qb1#
          • 2...Kc2
            • 3.Qa1
              • threat
                • 4.Qd1#
              • 3...Kb3
                • 4.Qb1#
          • 2...b4
            • 3.Qa1
              • threat
                • 4.Qb1#
              • 3...Kc2
                • 4.Qd1#
              • 3...a2
                • 4.Qb2#
      • 1...a2
        • 2.Ba1
          • 2...Kb3
            • 3.Qg7
              • threat
                • 4.Qb2#
                • 4.Qc3#
              • 3...Kc2
                • 4.Qb2#
              • 3...Ka3
                • 4.Qb2#
                • 4.Qc3#
              • 3...Kb4
                • 4.Qc3#
          • 2...Kxc5
            • 3.Qc7+
              • 3...Kb4
                • 4.Qc3#

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).