Problem Display
PID: 11091 (8/8/1pQR4/2b5/2k5/n1N5/1K6/8 w - - 0 1)

van Dijk, Johannes

Handelsblad, 1936

8/8/1pQR4/2b5/2k5/n1N5/1K6/8

#2

4 + 4


SOLUTION


  • COOKED
  • Sets
    • 1...Kb4
      • 2.Qa4#
    • 1...Sb1
      • 2.Qb5#
    • 1...Sc2
      • 2.Qb5#
    • 1...Sb5
      • 2.Qxb5#
  • Tries
    • 1.Rd1?
      • 1...Kb4
        • 2.Qa4#
      • 1...Sb1
        • 2.Qb5#
      • 1...Sc2
        • 2.Qb5#
      • 1...Sb5
        • 2.Qxb5#
      • 1...b5!
    • 1.Rd2?
      • 1...Kb4
        • 2.Qa4#
      • 1...Sb1
        • 2.Qb5#
      • 1...Sc2
        • 2.Qb5#
      • 1...Sb5
        • 2.Qxb5#
      • 1...b5!
    • 1.Rd7?
      • 1...Kb4
        • 2.Qa4#
      • 1...Sb1
        • 2.Qb5#
      • 1...Sc2
        • 2.Qb5#
      • 1...Sb5
        • 2.Qxb5#
      • 1...b5!
    • 1.Rd8?
      • 1...Kb4
        • 2.Qa4#
      • 1...Sb1
        • 2.Qb5#
      • 1...Sc2
        • 2.Qb5#
      • 1...Sb5
        • 2.Qxb5#
      • 1...b5!
  • Keys
    • 1.Rd4+!
      • 1...Kxd4
        • 2.Qe4#
    • 1.Rd5!
      • 1...Kb4
        • 2.Qa4#
      • 1...Sb1
        • 2.Qb5#
      • 1...Sc2
        • 2.Qb5#
      • 1...Sb5
        • 2.Qxb5#
      • 1...b5
        • 2.Qxc5#
    • 1.Qe4+!
      • 1...Bd4
        • 2.Qxd4#

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).