Problem Display
PID: 33261 (N7/2Pk1P2/8/3K4/8/8/8/8 w - - 0 1)

Kos, Ivan

Shakhmatny Listok, 1876

N7/2Pk1P2/8/3K4/8/8/8/8

#3

4 + 1


1829 The Theory of Pawn Promotion 1912
3296 Shakhmatny zadachi miniaturi 1987
3813 300 Sachmatu Uzdaviniu 1991
14986 White-Hume Collection 2020

SOLUTION


  • SOUND
  • Tries
    • 1.c8Q+?
      • 1...Ke7
        • 2.f8Q#
      • 1...Kxc8!
    • 1.c8S?
      • 1...Kd8
        • 2.Kc6
          • 2...Kxc8
            • 3.f8Q#
            • 3.f8R#
        • 2.f8Q+
          • 2...Kd7
            • 3.Scb6#
      • 1...Kxc8!
    • 1.c8R?
      • threat
        • 2.Sb6+
          • 2...Ke7
            • 3.f8Q#
        • 2.Rc7+
          • 2...Kd8
            • 3.f8Q#
            • 3.f8R#
      • 1...Ke7
        • 2.f8Q+
          • 2...Kd7
            • 3.Sb6#
            • 3.Rc7#
            • 3.Rd8#
            • 3.Qd8#
            • 3.Qe8#
        • 2.f8R
          • 2...Kd7
            • 3.Rc7#
      • 1...Kxc8!
  • Keys
    • 1.f8R!
      • 1...Ke7
        • 2.c8R
          • 2...Kd7
            • 3.Rc7#

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).