Problem Display
PID: 274379 (8/8/8/6R1/2kP2R1/8/1K6/8 w - - 0 1)

Jovanovic, D

Mat, 1973

8/8/8/6R1/2kP2R1/8/1K6/8

#3

4 + 1


SOLUTION


  • SOUND
  • Sets
    • 1...Kb4
      • 2.Rc5
        • 2...Ka4
          • 3.d5#
  • Tries
    • 1.Rg3?
      • 1...Kb4
        • 2.Rc3
          • 2...Ka4
            • 3.Rc4#
      • 1...Kxd4!
    • 1.Re4?
      • 1...Kb4
        • 2.Rc5
          • 2...Ka4
            • 3.d5#
      • 1...Kd3!
    • 1.Rf4?
      • 1...Kb4
        • 2.Rc5
          • 2...Ka4
            • 3.d5#
      • 1...Kd3!
    • 1.Rh4?
      • 1...Kb4
        • 2.Rc5
          • 2...Ka4
            • 3.d5#
      • 1...Kd3!
    • 1.Ra5?
      • 1...Kb4
        • 2.Rc5
          • 2...Ka4
            • 3.d5#
      • 1...Kd3!
    • 1.Rc5+?
      • 1...Kb4
        • 2.Ka2
          • 2...Ka4
            • 3.d5#
        • 2.Re4
          • 2...Ka4
            • 3.d5#
        • 2.Rf4
          • 2...Ka4
            • 3.d5#
        • 2.Rh4
          • 2...Ka4
            • 3.d5#
        • 2.Rgg5
          • 2...Ka4
            • 3.Rc4#
      • 1...Kd3!
    • 1.Rf5?
      • 1...Kb4
        • 2.Rc5
          • 2...Ka4
            • 3.d5#
      • 1...Kd3!
    • 1.Rh5?
      • 1...Kb4
        • 2.Rc5
          • 2...Ka4
            • 3.d5#
      • 1...Kd3!
  • Keys
    • 1.Re5!
      • 1...Kd3
        • 2.d5
          • 2...Kd2
            • 3.Rd4#
      • 1...Kb4
        • 2.Rc5
          • 2...Ka4
            • 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).