Problem Display
PID: 140709 (3r1b2/2Nnp3/4pp2/4P1r1/pPpk4/4RpPB/2P1PB2/NnKb4 w - - 0 1)

Knuppert, Hugo

4th Prize, BCF 140. Ty. (Whyatt MT), 1976-1977

3r1b2/2Nnp3/4pp2/4P1r1/pPpk4/4RpPB/2P1PB2/NnKb4

#3

11 + 13


SOLUTION


  • SOUND
  • Sets
    • 1...Rxe5
      • 2.Rd3+
        • 2...Ke4
          • 3.Rd4#
    • 1...Bxc2
      • 2.Sxc2#
    • 1...Bxe2
      • 2.c3+
        • 2...Sxc3
          • 3.Sc2#
    • 1...Sd2
      • 2.c3#
    • 1...Sa3
      • 2.c3#
    • 1...Sxe5
      • 2.Rxf3+
        • 2...Ke4
          • 3.Rf4#
    • 1...fxe2
      • 2.Sb5+
        • 2...Kd5
          • 3.Bg2#
      • 2.Bg2
        • threat
          • 3.Sb5#
          • 3.Sxe6#
        • 2...Rxe5
          • 3.Rd3#
        • 2...c3
          • 3.Re4#
  • Tries
    • 1.Kxb1?
      • threat
        • 2.c3#
      • 1...Bxc2+
        • 2.Sxc2#
      • 1...c3!
    • 1.Re4+?
      • 1...Kc3
        • 2.Be1+
          • 2...Sd2
            • 3.Bxd2#
      • 1...Kxe4!
  • Keys
    • 1.exf6!
      • threat
        • 2.c3+
          • 2...Sxc3
            • 3.Rxe6#
      • 1...Bxe2
        • 2.c3+
          • 2...Sxc3
            • 3.Sc2#
      • 1...fxe2
        • 2.Bg2
          • threat
            • 3.Sxe6#
          • 2...c3
            • 3.Re4#
          • 2...Re5
            • 3.Rd3#
          • 2...Sc5
            • 3.Sb5#
          • 2...e5
            • 3.Sb5#
            • 3.Se6#
            • 3.Ra3#
            • 3.Rb3#
            • 3.Rd3#
      • 1...c3
        • 2.Rxe6+
          • 2...Kc4
            • 3.Re4#
      • 1...Re5
        • 2.Rd3+
          • 2...Ke4
            • 3.Rd4#
      • 1...Se5
        • 2.Rxf3+
          • 2...Ke4
            • 3.Rf4#
      • 1...e5
        • 2.Rc3+
          • 2...Kxc3
            • 3.Sd5#
          • 2...Ke4
            • 3.Rxc4#

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).