Problem Display
PID: 176752 (1N6/8/1pQ5/kp6/8/8/8/7K w - - 0 1)

Erdos, Dr Geza

Schach-Echo, 1958

1N6/8/1pQ5/kp6/8/8/8/7K

#3

3 + 3


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Tries
    • 1.Qc3+?
      • 1...Ka4
        • 2.Sa6
          • 2...b4
            • 3.Qxb4#
        • 2.Sc6
          • 2...b4
            • 3.Qxb4#
      • 1...b4!
    • 1.Qc4?
      • 1...b4
        • 2.Qa6#
      • 1...bxc4!
  • Keys
    • 1.Sa6!
      • threat
        • 2.Qd5
          • threat
            • 3.Qa2#
          • 2...Ka4
            • 3.Qa2#
          • 2...Kxa6
            • 3.Qa8#
      • 1...Ka4
        • 2.Qc3
          • 2...b4
            • 3.Qxb4#
      • 1...b4
        • 2.Sc7
          • threat
            • 3.Qb5#
            • 3.Qa8#
          • 2...b5
            • 3.Qxb5#
            • 3.Qa6#

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).