Problem Display
PID: 225055 (5n2/8/p7/3R3p/1R2pk1p/8/rp1p1P1P/bK1Q4 w - - 0 1)

Gavriliv, Evgeni M

Makaronets, Leonid

The Problemist Supplement, 2020

5n2/8/p7/3R3p/1R2pk1p/8/rp1p1P1P/bK1Q4

#3

6 + 10


SOLUTION


  • SOUND
  • Sets
    • 1...a5
      • 2.Rbb5
        • threat
          • 3.Rf5#
        • 2...e3
          • 3.Rd4#
  • Tries
    • 1.Rbb5?
      • threat
        • 2.Rf5#
      • 1...e3
        • 2.Rb4#
        • 2.Rd4#
      • 1...axb5!
    • 1.Rb7?
      • threat
        • 2.Rf7#
      • 1...Sh7
        • 2.Rf7+
          • 2...Sf6
            • 3.Rxf6#
      • 1...Sd7!
    • 1.Qxd2+?
      • 1...Kg4
        • 2.Qe3
          • threat
            • 3.Rxe4#
            • 3.Rg5#
            • 3.h3#
      • 1...Kf3!
    • 1.f3?
      • threat
        • 2.Rxe4#
      • 1...Ke3
        • 2.Rxe4+
          • 2...Kf2
            • 3.Rxd2#
      • 1...Ra4!
  • Keys
    • 1.Rb3!
      • threat
        • 2.Qf3+
          • 2...exf3
            • 3.Rb4#
      • 1...Ra4
        • 2.Rf3+
          • 2...Kg4
            • 3.h3#
          • 2...exf3
            • 3.Qxa4#
      • 1...Se6
        • 2.Rh3
          • threat
            • 3.Rxh4#
      • 1...a5
        • 2.Rbb5
          • threat
            • 3.Rf5#
          • 2...e3
            • 3.Rd4#

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).