Problem Display
PID: 81462 (4k3/R7/pp6/1r6/Q1K5/8/8/8 w - - 0 1)

Azhusin, Aleksandr Aleksandrovich

Omskaya Pravda, 1974

4k3/R7/pp6/1r6/Q1K5/8/8/8

#3

3 + 4


SOLUTION


  • SOUND
  • Tries
    • 1.Kd3?
      • threat
        • 2.Qe4+
          • 2...Kd8
            • 3.Qa8#
          • 2...Kf8
            • 3.Qa8#
          • 2...Re5
            • 3.Qa8#
      • 1...Kf8
        • 2.Qf4+
          • 2...Ke8
            • 3.Qb8#
          • 2...Kg8
            • 3.Qb8#
          • 2...Rf5
            • 3.Qb8#
      • 1...Kd8!
    • 1.Qxb5+?
      • 1...Kf8
        • 2.Qf5+
          • 2...Ke8
            • 3.Qc8#
          • 2...Kg8
            • 3.Qc8#
        • 2.Qxb6
          • threat
            • 3.Qd8#
            • 3.Qb8#
          • 2...Ke8
            • 3.Qb8#
          • 2...Kg8
            • 3.Qd8#
            • 3.Qb8#
      • 1...axb5+!
  • Keys
    • 1.Kc3!
      • threat
        • 2.Qe4+
          • 2...Kd8
            • 3.Qa8#
          • 2...Kf8
            • 3.Qa8#
          • 2...Re5
            • 3.Qa8#
      • 1...Kd8
        • 2.Qd4+
          • 2...Kc8
            • 3.Qh8#
          • 2...Ke8
            • 3.Qh8#
          • 2...Rd5
            • 3.Qh8#
      • 1...Kf8
        • 2.Qf4+
          • 2...Ke8
            • 3.Qb8#
          • 2...Kg8
            • 3.Qb8#
          • 2...Rf5
            • 3.Qb8#

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).