Problem Display
PID: 227725 (7Q/8/3N4/2k5/2N1P3/8/8/K7 w - - 0 1)

Hansen, Borge

Illustrated Family Journal, 1926

7Q/8/3N4/2k5/2N1P3/8/8/K7

#2

5 + 1


6490 yacpdb 2020
5454 Near Snap 2021
  • SOUND
  • Sets
    • 1...Kc6
      • 2.Qc8#
  • Tries
    • 1.Kb1?
      • 1...Kc6
        • 2.Qc8#
      • 1...Kb4!
    • 1.Ka2?
      • 1...Kc6
        • 2.Qc8#
      • 1...Kb4!
    • 1.Kb2?
      • 1...Kc6
        • 2.Qc8#
      • 1...Kb4!
    • 1.Qa8?
      • 1...Kb4
        • 2.Qa3#
      • 1...Kd4!
    • 1.Qb8?
      • threat
        • 2.Qb6#
      • 1...Kc6
        • 2.Qc8#
      • 1...Kd4!
  • Keys
    • 1.Qh3!
      • 1...Kb4
        • 2.Qa3#
      • 1...Kd4
        • 2.Qe3#
      • 1...Kc6
        • 2.Qc8#

Anticipated by 206947(1859), 4506(1873), 32680(1873), 24321(1885), 182379(1906), 22076(1924)

This anticipates 46372(1941), 18804(1958), 218807(1976), 47757(2003), 67253(2006), 235007(2019)



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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).