Problem Display
PID: 209944 (8/1R5q/4K1p1/8/4k1r1/3p3N/2Np3r/Q7 w - - 0 1)

Gold, Samuel

200 Schachaufgaben, 1883

8/1R5q/4K1p1/8/4k1r1/3p3N/2Np3r/Q7

#4

5 + 7


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Qa8!
      • threat
        • 2.Rb4#
        • 2.Rc7#
        • 2.Rd7#
        • 2.Re7#
        • 2.Rf7#
        • 2.Rg7#
        • 2.Rxh7#
      • 1...Qg8+
        • 2.Rf7+
          • 2...Qxa8
            • 3.Rf4+
              • 3...Rxf4
                • 4.Sg5#
      • 1...Kf3
        • 2.Rf7+
          • 2...Kg3
            • 3.Qf3+
              • 3...Kh4
                • 4.Rxh7#
      • 1...dxc2
        • 2.Rb3+
          • 2...Qb7
            • 3.Qxb7+
              • 3...Kd4
                • 4.Qd5#
                • 4.Qb4#
            • 3.Qa4+
              • 3...Qb4
                • 4.Qxb4#

FEATURES


NOT CLASSIFIED


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).