Problem Display
PID: 90021 (2B5/R7/5N1Q/4k3/N7/8/7K/8 w - - 0 1)

Pniak, Edmund Jan

Die Schwalbe, 1954

2B5/R7/5N1Q/4k3/N7/8/7K/8

#2

6 + 1


6490 yacpdb 2009
5454 Near Snap 2010
  • SOUND
  • Tries
    • 1.Rc7?
      • 1...Kd6
        • 2.Qf4#
      • 1...Kd4!
    • 1.Rd7?
      • threat
        • 2.Rd5#
      • 1...Kf5
        • 2.Rd5#
        • 2.Re7#
      • 1...Ke6!
    • 1.Qc1?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kd6
        • 2.Qc5#
        • 2.Qc7#
      • 1...Kxf6!
    • 1.Qe3+?
      • 1...Kd6
        • 2.Qc5#
        • 2.Qe6#
      • 1...Kxf6!
    • 1.Qg5+?
      • 1...Kd6
        • 2.Qc5#
        • 2.Qd5#
      • 1...Kd4!
    • 1.Qg7?
      • 1...Kf4
        • 2.Qg3#
      • 1...Kd6
        • 2.Qc7#
      • 1...Kd4!
    • 1.Qg6?
      • 1...Kd4
        • 2.Qe4#
      • 1...Kf4
        • 2.Qg3#
      • 1...Kd6!
    • 1.Qh7?
      • 1...Kd4
        • 2.Qe4#
      • 1...Kd6
        • 2.Qc7#
      • 1...Kxf6
        • 2.Qf5#
        • 2.Qg7#
      • 1...Kf4!
  • Keys
    • 1.Qh3!
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qg3#
      • 1...Kd6
        • 2.Qe6#
      • 1...Kxf6
        • 2.Qf5#

This anticipates 11794(1972)



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).