Problem Display
PID: 200998 (8/8/p5P1/QP4Pp/p1B1p3/2P1Pp1K/7p/3Nb1kr w - - 0 1)

Palatz, Franz Ferdinand Ludwig

Teplitz-Schonauer Congress Book, 1923

8/8/p5P1/QP4Pp/p1B1p3/2P1Pp1K/7p/3Nb1kr

#4

9 + 9


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.b6!
      • threat
        • 2.Bxa6
          • threat
            • 3.Qb5
              • threat
                • 4.Qf1#
          • 2...f2
            • 3.Qb5
              • threat
                • 4.Qf1#
              • 3...f1Q+
                • 4.Qxf1#
              • 3...f1B+
                • 4.Qxf1#
              • 3...f1S
                • 4.Qxf1#
              • 3...f1R
                • 4.Qxf1#
      • 1...Bxc3
        • 2.Qxc3
          • threat
            • 3.Qe1#
          • 2...f2
            • 3.Qf6
              • threat
                • 4.Qxf2#
              • 3...f1Q+
                • 4.Qxf1#
              • 3...f1B+
                • 4.Qxf1#
              • 3...f1S
                • 4.Qxf1#
                • 4.Qf2#
              • 3...f1R
                • 4.Qxf1#
      • 1...Bf2
        • 2.Bxa6
          • threat
            • 3.Qb5
              • threat
                • 4.Qf1#
      • 1...f2
        • 2.Qf5
          • threat
            • 3.Qf4
              • threat
                • 4.Qg3#
              • 3...f1Q+
                • 4.Qxf1#
              • 3...f1B+
                • 4.Qxf1#
              • 3...f1S
                • 4.Qxf1#
              • 3...f1R
                • 4.Qxf1#
              • 3...h4
                • 4.Qg4#
      • 1...h4
        • 2.Bxa6
          • threat
            • 3.Qb5
              • threat
                • 4.Qf1#
          • 2...f2
            • 3.Qb5
              • threat
                • 4.Qf1#
              • 3...f1Q+
                • 4.Qxf1#
              • 3...f1B+
                • 4.Qxf1#
              • 3...f1S
                • 4.Qxf1#
              • 3...f1R
                • 4.Qxf1#
            • 3.Qf5
              • threat
                • 4.Qg4#
              • 3...f1Q+
                • 4.Qxf1#
              • 3...f1B+
                • 4.Qxf1#
              • 3...f1S
                • 4.Qxf1#
              • 3...f1R
                • 4.Qxf1#

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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).