Problem Display
PID: 176171 (8/7K/8/8/4kB2/4P3/2R5/Q7 w - - 0 1)

Zander, Heinz

Schach-Echo, 1960

8/7K/8/8/4kB2/4P3/2R5/Q7

#2

5 + 1


5454 Near Snap 2018
6490 yacpdb 2018
  • SOUND
  • Sets
    • 1...Kd5
      • 2.Qe5#
  • Tries
    • 1.Rg2?
      • 1...Kd3
        • 2.Qd4#
      • 1...Kf3
        • 2.Qa8#
      • 1...Kf5
        • 2.Qe5#
      • 1...Kd5!
    • 1.Qe5+?
      • 1...Kd3
        • 2.Qf5#
      • 1...Kf3!
    • 1.Qf6?
      • 1...Kd3
        • 2.Qf5#
        • 2.Qg6#
      • 1...Kd5
        • 2.Qe5#
        • 2.Qf5#
        • 2.Qc6#
      • 1...Kf3!
    • 1.Qf1?
      • 1...Kd5
        • 2.Qc4#
      • 1...Kf5!
    • 1.Qg1?
      • 1...Kd3
        • 2.Qg6#
      • 1...Kf3
        • 2.Qg2#
      • 1...Kf5
        • 2.Qg6#
      • 1...Kd5!
    • 1.Qa5?
      • 1...Kd3
        • 2.Qf5#
      • 1...Kf3!
    • 1.Qa6?
      • 1...Kd5
        • 2.Qc4#
        • 2.Qc6#
      • 1...Kf5
        • 2.Qg6#
      • 1...Kf3!
  • Keys
    • 1.Qg7!
      • 1...Kd3
        • 2.Qg6#
      • 1...Kf3
        • 2.Qg2#
      • 1...Kd5
        • 2.Qe5#
      • 1...Kf5
        • 2.Qg6#

Anticipated by 41263(1939)

This anticipates 199603(1996), 142483(2006)



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).