Problem Display
PID: 210605 (KNn1bqk1/8/1prpP1p1/2p5/8/8/4R3/B4Q2 w - - 0 1)

Menendez, Gregorio

La Strategie, 1870

KNn1bqk1/8/1prpP1p1/2p5/8/8/4R3/B4Q2

#4

6 + 9


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Rh2!
      • threat
        • 2.Rh8#
      • 1...Qg7
        • 2.Sd7
          • threat
            • 3.Qf8+
              • 3...Qxf8
                • 4.Rh8#
            • 3.Bxg7
              • threat
                • 4.Qf8#
              • 3...Kxg7
                • 4.Qf8#
              • 3...Bf7
                • 4.Qxf7#
          • 2...Qxa1+
            • 3.Qxa1
              • threat
                • 4.Rh8#
                • 4.Qh8#
          • 2...Bxd7
            • 3.Qf7+
              • 3...Qxf7
                • 4.Rh8#
            • 3.Bxg7
              • threat
                • 4.Qf7#
                • 4.Qf8#
              • 3...Kxg7
                • 4.Qf7#
          • 2...Qf6
            • 3.Bxf6
              • threat
                • 4.Rh8#
            • 3.Qxf6
              • threat
                • 4.Rh8#
                • 4.Qg7#
                • 4.Qh8#
                • 4.Qf8#
          • 2...Qh6
            • 3.Qf8+
              • 3...Kh7
                • 4.Sf6#
                • 4.Rxh6#
                • 4.Qg7#
                • 4.Qh8#
              • 3...Qxf8
                • 4.Rh8#
            • 3.Rxh6
              • threat
                • 4.Rh8#
                • 4.Qf8#
          • 2...Bf7
            • 3.Qxf7+
              • 3...Qxf7
                • 4.Rh8#
            • 3.exf7+
              • 3...Qxf7
                • 4.Rh8#
            • 3.Bxg7
              • threat
                • 4.Qxf7#
              • 3...Kxg7
                • 4.Qxf7#
              • 3...Bxe6
                • 4.Qf8#
              • 3...Be8
                • 4.Qf8#

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).