Problem Display
PID: 961 (4RQ1B/1p3K2/1rp5/3k4/n7/8/8/5B2 w - - 0 1)

Mayhew, John

The Problemist Supplement, 1994

4RQ1B/1p3K2/1rp5/3k4/n7/8/8/5B2

#2

5 + 5


3713 Snap 2001
5454 Near Snap 2008
  • SOUND
  • Tries
    • 1.Qe7?
      • threat
        • 2.Rd8#
        • 2.Qe5#
      • 1...Sc5
        • 2.Qe5#
      • 1...c5!
  • Keys
    • 1.Ke7!
      • threat
        • 2.Qf5#
      • 1...Ke4
        • 2.Kd6#
      • 1...Kc5
        • 2.Ke6#
      • 1...c5
        • 2.Qf3#

Anticipated by 4776(1891), 161961(1956), 37439(1969)



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).