Problem Display
PID: 30238 (3KQ3/kp6/p7/3BB3/8/8/8/8 w - - 0 1)

Colonelli, Hercules

Boletim da UBP, 1983

3KQ3/kp6/p7/3BB3/8/8/8/8

#2

4 + 3


5454 Near Snap 2008
  • SOUND
  • Sets
    • 1...b6
      • 2.Qd7#
      • 2.Qf7#
      • 2.Qe7#
  • Tries
    • 1.Bd4+?
      • 1...Ka8
        • 2.Kc7#
        • 2.Kd7#
        • 2.Ke7#
      • 1...Kb8
        • 2.Kd7#
      • 1...b6!
    • 1.Qb5?
      • threat
        • 2.Qxb7#
      • 1...Ka8
        • 2.Qxa6#
        • 2.Qxb7#
      • 1...b6
        • 2.Qd7#
      • 1...axb5!
    • 1.Qc6?
      • threat
        • 2.Qxb7#
      • 1...Ka8
        • 2.Qxb7#
        • 2.Qxa6#
      • 1...b5
        • 2.Qb7#
        • 2.Qc5#
        • 2.Qc7#
      • 1...b6
        • 2.Qb7#
        • 2.Qd7#
        • 2.Qa8#
        • 2.Qc7#
      • 1...bxc6!
    • 1.Qg6?
      • 1...Ka8
        • 2.Qxa6#
      • 1...b5
        • 2.Qg1#
      • 1...b6
        • 2.Qf7#
        • 2.Qh7#
        • 2.Qg7#
      • 1...a5!
    • 1.Qd7?
      • threat
        • 2.Qxb7#
      • 1...Ka8
        • 2.Qxb7#
      • 1...Kb6!
    • 1.Qf7?
      • threat
        • 2.Qxb7#
      • 1...Ka8
        • 2.Qxb7#
      • 1...Kb6!
    • 1.Qe7?
      • threat
        • 2.Qxb7#
      • 1...Ka8
        • 2.Qxb7#
      • 1...Kb6!
  • Keys
    • 1.Qa4!
      • 1...Kb6
        • 2.Bd4#
      • 1...Ka8
        • 2.Qxa6#
      • 1...a5
        • 2.Qxa5#
      • 1...b5
        • 2.Qd4#
      • 1...b6
        • 2.Qd7#

Anticipated by 80033(1961), 11699(1971)

This anticipates 167242(2011)



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).