Problem Display
PID: 70625 (r3k1n1/p7/4K3/8/1Q6/8/8/8 w q - 0 1)

Lipton, Michael

Chess, 1951

r3k1n1/p7/4K3/8/1Q6/8/8/8

#2

2 + 4


5454 Near Snap 2007
  • SOUND
  • Sets
    • 1...Rb8
      • 2.Qxb8#
    • 1...Sf6
      • 2.Qe7#
    • 1...Sh6
      • 2.Qe7#
    • 1...Se7
      • 2.Qxe7#
  • Tries
    • 1.Qa4+?
      • 1...Kd8
        • 2.Qd7#
      • 1...Kf8!
    • 1.Qb5+?
      • 1...Kd8
        • 2.Qd7#
      • 1...Kf8!
  • Keys
    • 1.Qb7!
      • threat
        • 2.Qxa8#
      • 1...Kd8
        • 2.Qd7#
      • 1...Kf8
        • 2.Qf7#
      • 1...Rb8
        • 2.Qxb8#
      • 1...Rc8
        • 2.Qxc8#
      • 1...Rd8
        • 2.Qf7#
      • 1...Se7
        • 2.Qxe7#

This anticipates 79109(1962), 23186(1996)



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).