Problem Display
PID: 33392 (2Q5/2NR4/1pp5/p1k2p2/1bP5/rp6/2rp4/3n2K1 w - - 0 1)

Blake, Percy Francis

4th Prize, Chemnitzer Tageblatt, 1926

2Q5/2NR4/1pp5/p1k2p2/1bP5/rp6/2rp4/3n2K1

#3

5 + 11


SOLUTION


  • SOUND
  • Sets
    • 1...Rxc4
      • 2.Qf8#
    • 1...Bc3
      • 2.Sa6+
        • 2...Kxc4
          • 3.Qxc6#
  • Tries
    • 1.Rd5+?
      • 1...cxd5
        • 2.Sb5#
      • 1...Kxc4!
    • 1.Qa6?
      • threat
        • 2.Se6#
      • 1...b5
        • 2.Qa7+
          • 2...Kxc4
            • 3.Qd4#
      • 1...Bc3!
    • 1.Qg8?
      • threat
        • 2.Sa6#
      • 1...Rxc4
        • 2.Qf8#
      • 1...b5!
    • 1.Qh8?
      • threat
        • 2.Qd4#
      • 1...Kxc4
        • 2.Qd4#
      • 1...Rxc4
        • 2.Qe5#
        • 2.Qf8#
      • 1...Bc3!
  • Keys
    • 1.Sb5!
      • threat
        • 2.Rd4
          • threat
            • 3.Qxf5#
            • 3.Qf8#
        • 2.Qxc6+
          • 2...Kxc6
            • 3.Rc7#
      • 1...Kxc4
        • 2.Qxc6+
          • 2...Bc5+
            • 3.Rd4#
      • 1...Rxc4
        • 2.Rd5+
          • 2...Kxd5
            • 3.Qxf5#
      • 1...Bc3
        • 2.Qf8+
          • 2...Kxc4
            • 3.Sxa3#
      • 1...Rc1
        • 2.Qxc6+
          • 2...Kxc6
            • 3.Rc7#
      • 1...Rc3
        • 2.Qxc6+
          • 2...Kxc6
            • 3.Rc7#
      • 1...Ra1
        • 2.Qxc6+
          • 2...Kxc6
            • 3.Rc7#
      • 1...Sb2
        • 2.Qxc6+
          • 2...Kxc6
            • 3.Rc7#
      • 1...Sf2
        • 2.Qxc6+
          • 2...Kxc6
            • 3.Rc7#
      • 1...Sc3
        • 2.Qxc6+
          • 2...Kxc6
            • 3.Rc7#
      • 1...Se3
        • 2.Qxc6+
          • 2...Kxc6
            • 3.Rc7#
      • 1...b2
        • 2.Qxc6+
          • 2...Kxc6
            • 3.Rc7#
      • 1...f4
        • 2.Rd4
          • threat
            • 3.Qf5#
            • 3.Qf8#
        • 2.Qxc6+
          • 2...Kxc6
            • 3.Rc7#

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).