Problem Display
PID: 266757 (3k2K1/4R3/3P4/b3N3/n7/8/8/8 w - - 0 1)

Agapov, Igor Alexeyevich

Bulavka, Aleksandr

Zadachi i Etyudi, 2011

3k2K1/4R3/3P4/b3N3/n7/8/8/8

#3

4 + 3


SOLUTION


  • SOUND
  • Sets
    • 1...Be1
      • 2.Sc6+
        • 2...Kc8
          • 3.Rc7#
    • 1...Bd2
      • 2.Sc6+
        • 2...Kc8
          • 3.Rc7#
    • 1...Bc3
      • 2.Sc6+
        • 2...Kc8
          • 3.Rc7#
    • 1...Bb4
      • 2.Sc6+
        • 2...Kc8
          • 3.Rc7#
    • 1...Bc7
      • 2.Sc6+
        • 2...Kc8
          • 3.Rxc7#
    • 1...Sb6
      • 2.Sc6+
        • 2...Kc8
          • 3.Rc7#
  • Tries
    • 1.Rc7?
      • threat
        • 2.Sc6+
          • 2...Ke8
            • 3.Re7#
            • 3.d7#
        • 2.Sf7+
          • 2...Ke8
            • 3.Re7#
      • 1...Ke8
        • 2.Rf7
          • threat
            • 3.Rf8#
          • 2...Kd8
            • 3.Rf8#
      • 1...Sc5
        • 2.Sc6+
          • 2...Ke8
            • 3.Re7#
        • 2.Sf7+
          • 2...Ke8
            • 3.Re7#
      • 1...Sb6
        • 2.Kf7
          • threat
            • 3.Sc6#
        • 2.Sc6+
          • 2...Ke8
            • 3.Re7#
        • 2.Sf7+
          • 2...Ke8
            • 3.Re7#
      • 1...Bxc7!
    • 1.Rd7+?
      • 1...Ke8
        • 2.Rf7
          • threat
            • 3.Rf8#
          • 2...Kd8
            • 3.Rf8#
      • 1...Kc8!
    • 1.Rf7?
      • threat
        • 2.Rf8#
      • 1...Ke8
        • 2.Rf8#
      • 1...Kc8!
  • Keys
    • 1.Ra7!
      • threat
        • 2.Ra8#
      • 1...Kc8
        • 2.d7+
          • 2...Kb8
            • 3.Sc6#
          • 2...Kd8
            • 3.Sc6#
      • 1...Ke8
        • 2.Rf7
          • threat
            • 3.Rf8#
          • 2...Kd8
            • 3.Rf8#
      • 1...Bc7
        • 2.Ra8+
          • 2...Bb8
            • 3.Rxb8#
      • 1...Sb6
        • 2.Sc6+
          • 2...Kc8
            • 3.Rc7#
          • 2...Ke8
            • 3.Re7#

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).