Problem Display
PID: 265660 (3N4/4b3/K1pn2p1/n1pr3b/ppk5/1r2P3/5Q1R/B3NRqB w - - 0 1)

Novitski, Petr Adrinovich

The Problemist, 1996

3N4/4b3/K1pn2p1/n1pr3b/ppk5/1r2P3/5Q1R/B3NRqB

#4

9 + 13


SOLUTION


  • SOUND
  • Keys
    • 1.Sb7!
      • threat
        • 2.Sxa5#
      • 1...Saxb7
        • 2.Qc2+
          • 2...Rc3
            • 3.Qa2+
              • 3...Rb3
                • 4.Rc2#
              • 3...b3
                • 4.Qxa4#
      • 1...Sdxb7
        • 2.Qf4+
          • 2...Rd4
            • 3.Qf7+
              • 3...Rd5
                • 4.Rf4#
      • 1...Bd8
        • 2.Sxd6+
          • 2...Rxd6
            • 3.Qf7+
              • 3...Rd5
                • 4.Rf4#
              • 3...Re6
                • 4.Rf4#
                • 4.Qxe6#
        • 2.Qf4+
          • 2...Se4
            • 3.Qxe4+
              • 3...Rd4
                • 4.Sd6#

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).