Problem Display
PID: 266971 (8/4R2n/3p4/1P1k1p2/1KpB1P2/8/bQpr1p1b/1n6 w - - 0 1)

Rossetti, JL

The Problemist, 1955

8/4R2n/3p4/1P1k1p2/1KpB1P2/8/bQpr1p1b/1n6

#3

6 + 11


SOLUTION


  • SOUND
  • Sets
    • 1...c3
      • 2.Qxa2+
        • 2...Kxd4
          • 3.Qc4#
  • Tries
    • 1.Ba7?
      • threat
        • 2.Re5+
          • 2...dxe5
            • 3.Qxe5#
      • 1...Bxf4
        • 2.Qh8
          • threat
            • 3.Qa8#
            • 3.Qg8#
          • 2...Sf8
            • 3.Qh1#
      • 1...Sc3!
  • Keys
    • 1.Bb6!
      • threat
        • 2.Re5+
          • 2...dxe5
            • 3.Qxe5#
      • 1...Bxf4
        • 2.Qh8
          • threat
            • 3.Qa8#
            • 3.Qg8#
          • 2...Sf8
            • 3.Qh1#
      • 1...Sc3
        • 2.Qa3
          • threat
            • 3.Qa8#
          • 2...Sa4
            • 3.Qf3#

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).