Problem Display
PID: 168808 (r3k3/8/8/8/8/8/8/3QK2R w - - 0 1)

Agapov, Igor Alexeyevich

Sp. Prize, SuperProblem 060. TT, 2012

r3k3/8/8/8/8/8/8/3QK2R

#3

3 + 2


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Tries
    • 1.Qd7+?
      • 1...Kf8
        • 2.Rh8#
      • 1...Kxd7!
  • Keys
    • 1.Rh7!
      • threat
        • 2.Qd7+
          • 2...Kf8
            • 3.Rh8#
            • 3.Qf7#
      • 1...Kf8
        • 2.Qf3+
          • 2...Ke8
            • 3.Qxa8#
          • 2...Kg8
            • 3.Qf7#
      • 1...Ra1
        • 2.Qxa1
          • threat
            • 3.Qh8#
            • 3.Qa8#
          • 2...Kd8
            • 3.Qh8#
            • 3.Qa8#
          • 2...Kf8
            • 3.Qh8#
            • 3.Qa8#
      • 1...Ra2
        • 2.Qd7+
          • 2...Kf8
            • 3.Rh8#
            • 3.Qc8#
            • 3.Qf7#
            • 3.Qd8#
      • 1...Ra3
        • 2.Qd7+
          • 2...Kf8
            • 3.Rh8#
            • 3.Qc8#
            • 3.Qf7#
            • 3.Qd8#
      • 1...Ra4
        • 2.Qxa4+
          • 2...Kd8
            • 3.Qd7#
            • 3.Qa8#
          • 2...Kf8
            • 3.Qa8#
        • 2.Qd7+
          • 2...Kf8
            • 3.Rh8#
            • 3.Qc8#
            • 3.Qf7#
            • 3.Qd8#
      • 1...Ra5
        • 2.Qd7+
          • 2...Kf8
            • 3.Rh8#
            • 3.Qc8#
            • 3.Qf7#
            • 3.Qd8#
      • 1...Ra6
        • 2.Qd7+
          • 2...Kf8
            • 3.Rh8#
            • 3.Qc8#
            • 3.Qf7#
            • 3.Qd8#
      • 1...Ra7
        • 2.Rxa7
          • 2...Kf8
            • 3.Qd8#
      • 1...Rc8
        • 2.Qd7+
          • 2...Kf8
            • 3.Rh8#
            • 3.Qxc8#
            • 3.Qf7#
      • 1...Rd8
        • 2.Qh5+
          • 2...Kf8
            • 3.Qf7#

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).