Problem Display
PID: 129823 (r3k3/p7/4K3/8/1p6/8/Q6B/8 w q - 0 1)

Reinhard, G

Tidskrift for Schack, 1959

r3k3/p7/4K3/8/1p6/8/Q6B/8

#2

3 + 4


6490 yacpdb 2009
5454 Near Snap 2021
  • SOUND
  • Sets
    • 1...0-0-0
      • 2.Qa6#
  • Tries
    • 1.Qb2?
      • threat
        • 2.Qh8#
      • 1...Kd8
        • 2.Qh8#
      • 1...Kf8
        • 2.Qh8#
      • 1...0-0-0!
    • 1.Qg2?
      • threat
        • 2.Qxa8#
        • 2.Qg8#
      • 1...Kd8
        • 2.Qxa8#
        • 2.Qg8#
      • 1...0-0-0
        • 2.Qc6#
        • 2.Qa8#
      • 1...Rb8
        • 2.Qg8#
      • 1...Rc8
        • 2.Qg8#
      • 1...Rd8
        • 2.Qg8#
      • 1...Kf8!
    • 1.Qa4+?
      • 1...Kd8
        • 2.Qd7#
      • 1...Kf8!
    • 1.Qxa7?
      • threat
        • 2.Qe7#
        • 2.Qxa8#
      • 1...Kd8
        • 2.Qd7#
        • 2.Qxa8#
      • 1...Kf8
        • 2.Qf7#
      • 1...0-0-0
        • 2.Qb8#
        • 2.Qa6#
        • 2.Qc7#
        • 2.Qa8#
      • 1...Rb8
        • 2.Qxb8#
        • 2.Qe7#
      • 1...Rc8
        • 2.Qe7#
      • 1...Rd8
        • 2.Qe7#
        • 2.Qf7#
      • 1...Rxa7!
  • Keys
    • 1.Qa1!
      • threat
        • 2.Qh8#
      • 1...Kd8
        • 2.Qh8#
      • 1...Kf8
        • 2.Qh8#
      • 1...0-0-0
        • 2.Qa6#

This anticipates 120241(1969), 249875(1977)



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).