MESON Chess Problem Database

Problem Display
PID: 24431 (7B/8/1p6/1PpP4/1pK3p1/1P1P2R1/p1P2R2/Qn5k w - - 0 1)

Ling, John Francis

The Observer, 1961

7B/8/1p6/1PpP4/1pK3p1/1P1P2R1/p1P2R2/Qn5k

#3

10 + 7

SOLUTION

  • SOUND
  • Tries
    • 1.Qb2?
      • threat
        • 2.Qc1#
      • 1...Sd2+
        • 2.Rxd2
          • threat
            • 3.Qa1#
            • 3.Qc1#
          • 2...a1Q
            • 3.Qxa1#
          • 2...a1R
            • 3.Qxa1#
      • 1...Sc3
        • 2.Bxc3
          • threat
            • 3.Qa1#
            • 3.Qc1#
          • 2...a1Q
            • 3.Qxa1#
          • 2...a1R
            • 3.Qxa1#
        • 2.Qc1+
          • 2...Sd1
            • 3.Qh6#
            • 3.Qxd1#
      • 1...Sa3+!
    • 1.Qe5?
      • threat
        • 2.Qe1#
        • 2.Qe4#
        • 2.Qh5#
      • 1...Sd2+
        • 2.Rxd2
          • threat
            • 3.Qa1#
            • 3.Qe1#
            • 3.Qe4#
            • 3.Qh5#
      • 1...Sa3+!
    • 1.Qf6?
      • threat
        • 2.Qh4#
        • 2.Qh6#
      • 1...Sd2+
        • 2.Rxd2
          • threat
            • 3.Qa1#
            • 3.Qh4#
            • 3.Qf1#
            • 3.Qh6#
      • 1...Sa3+!
    • 1.Qg7?
      • threat
        • 2.Qh6#
        • 2.Qh7#
      • 1...Sd2+
        • 2.Rxd2
          • threat
            • 3.Qa1#
            • 3.Qh6#
            • 3.Qh7#
      • 1...Sa3+!
  • Keys
    • 1.Bc3!
      • 1...bxc3
        • 2.Rd2
          • 2...cxd2
            • 3.Qh8#

FEATURES

NOT CLASSIFIED
HTML5 logo

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).