Problem Display
PID: 258493 (1b2n3/p1R5/2p4Q/1p3P2/2r2P2/3B4/4P3/B1k1K3 w - - 0 1)

Leontieva, Nadezhda Aleksandrovna

Shakhmaty v SSSR, 1968

1b2n3/p1R5/2p4Q/1p3P2/2r2P2/3B4/4P3/B1k1K3

#3

8 + 7


SOLUTION


  • SOUND
  • Sets
    • 1...Rxf4
      • 2.Rxc6#
      • 2.Qxf4#
  • Tries
    • 1.Qh3?
      • threat
        • 2.Qe3#
      • 1...Re4
        • 2.Bxe4
          • threat
            • 3.Rxc6#
            • 3.Qa3#
            • 3.Qc3#
            • 3.Qe3#
        • 2.Rxc6+
          • 2...Rc4
            • 3.Qe3#
        • 2.Qe3+
          • 2...Rxe3
            • 3.Rxc6#
      • 1...Rc2!
    • 1.Qe6?
      • threat
        • 2.Qe3#
      • 1...Re4
        • 2.Rxc6+
          • 2...Rc4
            • 3.Qe3#
        • 2.Qxe4
          • threat
            • 3.Rxc6#
            • 3.Qxc6#
            • 3.Qe3#
      • 1...Rc2!
  • Keys
    • 1.Qh1!
      • threat
        • 2.Kf2+
          • 2...Kd2
            • 3.Qe1#
      • 1...Rxf4
        • 2.Qxc6+
          • 2...Rc4
            • 3.Qh6#

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).