Problem Display
PID: 173389 (4k3/5R2/pB1pP3/5Pp1/1pp5/nq5p/6n1/5b1K w - - 0 1)

Mandler, Artur

1st Prize, Stella Polaris, 1967

4k3/5R2/pB1pP3/5Pp1/1pp5/nq5p/6n1/5b1K

#4

5 + 11


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Keys
    • 1.Rc7!
      • threat
        • 2.Rc8+
          • 2...Ke7
            • 3.Bd8+
              • 3...Ke8
                • 4.Bxg5#
                • 4.Bf6#
              • 3...Kf8
                • 4.Bf6#
        • 2.f6
          • threat
            • 3.Rc8#
          • 2...Kd8
            • 3.Rxc4+
              • 3...Ke8
                • 4.Rc8#
            • 3.Rc5+
              • 3...Ke8
                • 4.Rc8#
            • 3.Rc6+
              • 3...Ke8
                • 4.Rc8#
            • 3.f7
              • threat
                • 4.e7#
                • 4.f8Q#
                • 4.f8R#
      • 1...Kd8
        • 2.f6
          • threat
            • 3.Rxc4+
              • 3...Ke8
                • 4.Rc8#
            • 3.Rc5+
              • 3...Ke8
                • 4.Rc8#
            • 3.Rc6+
              • 3...Ke8
                • 4.Rc8#
            • 3.f7
              • threat
                • 4.e7#
                • 4.f8Q#
                • 4.f8R#
      • 1...Kf8
        • 2.Rc8+
          • 2...Ke7
            • 3.Bd8+
              • 3...Ke8
                • 4.Bxg5#
                • 4.Bf6#
              • 3...Kf8
                • 4.Bf6#
          • 2...Kg7
            • 3.Bd4+
              • 3...Kh6
                • 4.Rh8#
              • 3...Kh7
                • 4.Rh8#
      • 1...Qa4
        • 2.Rh7
          • threat
            • 3.Rh8+
              • 3...Ke7
                • 4.Bd8#
            • 3.f6
              • threat
                • 4.Rh8#
              • 3...Kf8
                • 4.Rh8#
          • 2...Kf8
            • 3.Rh8+
              • 3...Ke7
                • 4.Bd8#
              • 3...Kg7
                • 4.Bd4#
          • 2...Qd7
            • 3.exd7+
              • 3...Kf8
                • 4.d8Q#
                • 4.d8R#

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).