Problem Display
PID: 79227 (8/8/8/8/5p2/N2Q1K2/3b4/3k4 w - - 0 1)

Asplund, Per Ivan Rune

Norsk Vanforetidsskrift, 1952

8/8/8/8/5p2/N2Q1K2/3b4/3k4

#2

3 + 3


SOLUTION


  • COOKED
  • Sets
    • 1...Kc1
      • 2.Qb1#
      • 2.Qc2#
    • 1...Ke1
      • 2.Qe2#
  • Tries
    • 1.Kg2?
      • 1...Kc1
        • 2.Qb1#
        • 2.Qc2#
      • 1...Ke1
        • 2.Qf1#
      • 1...f3+!
    • 1.Sb1?
      • threat
        • 2.Qxd2#
      • 1...Ke1
        • 2.Qe2#
      • 1...Kc1!
    • 1.Sc4?
      • threat
        • 2.Qxd2#
      • 1...Ke1
        • 2.Qe2#
      • 1...Kc1!
    • 1.Sb5?
      • 1...Ke1
        • 2.Qe2#
      • 1...Kc1!
    • 1.Qb3+?
      • 1...Kc1
        • 2.Qc2#
        • 2.Qb1#
      • 1...Ke1!
  • Keys
    • 1.Kf2!
      • threat
        • 2.Qc2#
      • 1...Kc1
        • 2.Qb1#
        • 2.Qc2#
    • 1.Qd4!
      • 1...Kc1
        • 2.Qa1#
      • 1...Ke1
        • 2.Qg1#

FEATURES


NOT CLASSIFIED


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).