Problem Display
PID: 18804 (8/8/8/8/8/1Nk5/3N4/3K3Q w - - 0 1)

di Vincenzi, Renato

Unpublished, 1958

8/8/8/8/8/1Nk5/3N4/3K3Q

#2

4 + 1


5454 Near Snap 2009
  • SOUND
  • Sets
    • 1...Kd3
      • 2.Qf3#
      • 2.Qh3#
  • Tries
    • 1.Kc1?
      • 1...Kd3
        • 2.Qf3#
      • 1...Kb4!
    • 1.Qd5?
      • threat
        • 2.Qd4#
      • 1...Kb4
        • 2.Qa5#
      • 1...Kb2!
    • 1.Qb7?
      • 1...Kd3
        • 2.Qf3#
      • 1...Kb2!
    • 1.Qh4?
      • threat
        • 2.Qd4#
      • 1...Kd3
        • 2.Qg3#
        • 2.Qh3#
        • 2.Qd4#
      • 1...Kb2!
    • 1.Qh5?
      • 1...Kd3
        • 2.Qf3#
        • 2.Qh3#
      • 1...Kb4
        • 2.Qa5#
      • 1...Kb2!
    • 1.Qh8+?
      • 1...Kd3
        • 2.Qd4#
        • 2.Qh3#
      • 1...Kb4!
  • Keys
    • 1.Qa8!
      • 1...Kb2
        • 2.Qa1#
      • 1...Kd3
        • 2.Qf3#
      • 1...Kb4
        • 2.Qa5#

Anticipated by 4506(1873), 214539(1878), 218488(1882), 218611(1882), 182379(1906), 109336(1920), 227725(1926)

This anticipates 218807(1976), 133136(1983), 211346(1986), 184446(2000), 47757(2003), 67253(2006), 232491(2012), 235007(2019)



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).