Problem Display
PID: 209230 (8/8/8/2R5/1k1P4/8/1K6/8 w - - 0 1)

Schlarko, Iosif

Adveral, 1926

8/8/8/2R5/1k1P4/8/1K6/8

#3

3 + 1


3713 Snap 2020
6490 yacpdb 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Ka4
      • 2.Kc3
        • 2...Ka3
          • 3.Ra5#
  • Tries
    • 1.Rd5?
      • 1...Ka4
        • 2.Kc3
          • 2...Ka3
            • 3.Ra5#
      • 1...Kc4!
    • 1.Re5?
      • 1...Ka4
        • 2.Kc3
          • 2...Ka3
            • 3.Ra5#
      • 1...Kc4!
    • 1.Rf5?
      • 1...Ka4
        • 2.Kc3
          • 2...Ka3
            • 3.Ra5#
      • 1...Kc4!
    • 1.Rg5?
      • 1...Ka4
        • 2.Kc3
          • 2...Ka3
            • 3.Ra5#
      • 1...Kc4!
    • 1.Rh5?
      • 1...Ka4
        • 2.Kc3
          • 2...Ka3
            • 3.Ra5#
      • 1...Kc4!
    • 1.d5?
      • 1...Ka4
        • 2.Kc3
          • 2...Ka3
            • 3.Ra5#
      • 1...Kxc5!
  • Keys
    • 1.Kc2!
      • 1...Ka3
        • 2.Rc4
          • 2...Ka2
            • 3.Ra4#
      • 1...Ka4
        • 2.Kc3
          • 2...Ka3
            • 3.Ra5#

This anticipates 176781(1962)

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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).