Problem Display
PID: 235917 (8/2Q5/kp6/1p6/1p6/n2pK3/1p1ppp2/1r2r3 w - - 0 1)

Mortensen, Jan Robert (aka 'Adamas')

Freie Presse, 1969

8/2Q5/kp6/1p6/1p6/n2pK3/1p1ppp2/1r2r3

#3

2 + 12


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Sets
    • 1...Ka5
      • 2.Qa7#
  • Tries
    • 1.Qb7+?
      • 1...Ka5
        • 2.Qa8#
        • 2.Qa7#
      • 1...Kxb7!
    • 1.Qc8+?
      • 1...Ka5
        • 2.Qa8#
      • 1...Ka7!
  • Keys
    • 1.Qb8!
      • threat
        • 2.Qa8#
      • 1...Sc2+
        • 2.Ke4
          • threat
            • 3.Qa8#
          • 2...Ka5
            • 3.Qa7#
            • 3.Qa8#
      • 1...Sc4+
        • 2.Kd4
          • threat
            • 3.Qa8#
          • 2...Ka5
            • 3.Qa7#
            • 3.Qa8#
      • 1...d1S+
        • 2.Kxd3
          • threat
            • 3.Qa8#
          • 2...Ka5
            • 3.Qa7#
            • 3.Qa8#
      • 1...f1S+
        • 2.Kf4
          • threat
            • 3.Qa8#
          • 2...Ka5
            • 3.Qa7#
            • 3.Qa8#

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).