MESON Chess Problem Database

Problem Display
PID: 27547 (2k5/p3p3/4P3/n2NP3/2P5/8/K3B3/7Q w - - 0 1)

Howard, David M

Problem Observer, 1991

2k5/p3p3/4P3/n2NP3/2P5/8/K3B3/7Q

#3

7 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Kd8
      • 2.Qh8#
  • Keys
    • 1.Sb4!
      • threat
        • 2.Qa8+
          • 2...Kc7
            • 3.Sd5#
      • 1...Kc7
        • 2.Sa6+
          • 2...Kb6
            • 3.c5#
          • 2...Kc8
            • 3.Qa8#
          • 2...Kd8
            • 3.Qa8#
            • 3.Qh8#
      • 1...Kb8
        • 2.Sa6+
          • 2...Kc8
            • 3.Qa8#
      • 1...Kd8
        • 2.Sa6
          • threat
            • 3.Qa8#
            • 3.Qh8#
          • 2...Kc8
            • 3.Qa8#
          • 2...Ke8
            • 3.Qa8#
            • 3.Qh8#
        • 2.Qa8+
          • 2...Kc7
            • 3.Sd5#
      • 1...Sc6
        • 2.Qxc6+
          • 2...Kb8
            • 3.Sa6#
          • 2...Kd8
            • 3.Qd7#
      • 1...Sb7
        • 2.Sa6
          • 2...Kd8
            • 3.Qh8#
          • 2...Sa5
            • 3.Qa8#
          • 2...Sc5
            • 3.Qa8#
          • 2...Sd6
            • 3.Qa8#
          • 2...Sd8
            • 3.Qa8#

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).