Problem Display
PID: 254928 (R7/6p1/1Nkp4/5P1r/p2Q3p/2p1p3/2p5/rb2b2K w - - 0 1)

Kriuckov, Pavel

Zadachi i Etyudi, 2006

R7/6p1/1Nkp4/5P1r/p2Q3p/2p1p3/2p5/rb2b2K

#3

5 + 12


SOLUTION


  • SOUND
  • Tries
    • 1.Qc4+?
      • 1...Kb7
        • 2.Qa6+
          • 2...Kc6
            • 3.Rc8#
          • 2...Kc7
            • 3.Rc8#
      • 1...Kxb6!
    • 1.Qd5+?
      • 1...Kxb6
        • 2.Rb8+
          • 2...Ka6
            • 3.Qa8#
          • 2...Ka7
            • 3.Qb7#
            • 3.Qa8#
          • 2...Kc7
            • 3.Qb7#
      • 1...Kc7!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Qc4+
          • 2...Kb7
            • 3.Qa6#
            • 3.Qc8#
          • 2...Kd7
            • 3.Qb5#
            • 3.Qc7#
            • 3.Qc8#
      • 1...Kb5
        • 2.Ra6
          • threat
            • 3.Sc7#
          • 2...Kxa6
            • 3.Qb6#
      • 1...Kb7
        • 2.Qb6+
          • 2...Kxa8
            • 3.Sc7#
      • 1...Kd7
        • 2.Qc4
          • threat
            • 3.Qb5#
            • 3.Qc7#
            • 3.Qc8#
      • 1...Rxf5
        • 2.Qc4+
          • 2...Kb7
            • 3.Qa6#
            • 3.Qc8#
          • 2...Kd7
            • 3.Qc8#
      • 1...Rh8
        • 2.Qc4+
          • 2...Kb7
            • 3.Qa6#
          • 2...Kd7
            • 3.Qb5#
            • 3.Qc7#
      • 1...Ba2
        • 2.Qxa4+
          • 2...Kc5
            • 3.Ra5#
          • 2...Kxd5
            • 3.Ra5#
          • 2...Kb7
            • 3.Qa6#
      • 1...a3
        • 2.Qa4+
          • 2...Kc5
            • 3.Ra5#
          • 2...Kxd5
            • 3.Ra5#
          • 2...Kb7
            • 3.Qa6#
        • 2.Qc4+
          • 2...Kb7
            • 3.Qa6#
            • 3.Qc8#
          • 2...Kd7
            • 3.Qb5#
            • 3.Qa4#
            • 3.Qc7#
            • 3.Qc8#

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).