Problem Display
PID: 267472 (8/2R5/5k2/6p1/1p1PK3/1p1R1p2/1B3P2/1B6 w - - 0 1)

Tyunin, Aleksandr Dmitrevich

Zadachi i Etyudi, 2013

8/2R5/5k2/6p1/1p1PK3/1p1R1p2/1B3P2/1B6

#3

7 + 5


SOLUTION


  • SOUND
  • Sets
    • 1...Ke6
      • 2.d5+
        • 2...Kd6
          • 3.Be5#
  • Tries
    • 1.Rd1?
      • 1...Ke6
        • 2.Rdc1
          • threat
            • 3.R1c6#
          • 2...Kd6
            • 3.R1c6#
          • 2...Kf6
            • 3.R1c6#
        • 2.d5+
          • 2...Kd6
            • 3.Be5#
      • 1...Kg6
        • 2.Kxf3+
          • 2...Kh5
            • 3.Rh1#
            • 3.Rh7#
          • 2...Kf6
            • 3.d5#
          • 2...Kh6
            • 3.Rh1#
            • 3.Rh7#
      • 1...g4!
    • 1.Rd2?
      • 1...Ke6
        • 2.d5+
          • 2...Kd6
            • 3.Be5#
      • 1...Kg6
        • 2.Kxf3+
          • 2...Kh5
            • 3.Rh7#
          • 2...Kf6
            • 3.d5#
          • 2...Kh6
            • 3.Rh7#
      • 1...g4!
    • 1.Rxb3?
      • 1...Ke6
        • 2.d5+
          • 2...Kd6
            • 3.Be5#
      • 1...Kg6
        • 2.Kxf3+
          • 2...Kh5
            • 3.Rh7#
          • 2...Kf6
            • 3.d5#
          • 2...Kh6
            • 3.Rh7#
      • 1...g4!
    • 1.Rxf3+?
      • 1...Ke6
        • 2.Rcf7
          • threat
            • 3.R3f6#
          • 2...Kd6
            • 3.R3f6#
        • 2.d5+
          • 2...Kd6
            • 3.Be5#
      • 1...Kg6!
  • Keys
    • 1.Re3!
      • 1...Ke6
        • 2.d5+
          • 2...Kd6
            • 3.Be5#
      • 1...Kg6
        • 2.Kxf3+
          • 2...Kh5
            • 3.Rh7#
          • 2...Kf6
            • 3.d5#
          • 2...Kh6
            • 3.Rh7#
      • 1...g4
        • 2.Kf4
          • 2...g3
            • 3.d5#

FEATURES


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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).