Problem Display
PID: 201747 (2BQ4/3P1k2/8/7K/8/8/8/8 w - - 0 1)

ten Cate, Pieter

Stern, 1971

2BQ4/3P1k2/8/7K/8/8/8/8

#2

4 + 1


5454 Near Snap 2020
15148 Sadier Collection 2020
  • SOUND
  • Tries
    • 1.Qe7+?
      • 1...Kg8
        • 2.d8Q#
        • 2.d8R#
      • 1...Kxe7!
  • Keys
    • 1.Qc7!
      • threat
        • 2.d8Q#
      • 1...Ke6
        • 2.d8Q#
      • 1...Kf6
        • 2.d8Q#
        • 2.d8B#
      • 1...Ke7
        • 2.d8Q#
      • 1...Kg7
        • 2.d8Q#
      • 1...Kf8
        • 2.d8Q#
        • 2.d8R#
      • 1...Kg8
        • 2.d8Q#
        • 2.d8R#

Anticipated by 170467(1944), 2150(1948)

This anticipates 858(1982)



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).