Problem Display
PID: 270750 (3Rqr1B/4p3/3rbn2/1p2P3/1PkPP1n1/P1p4B/2K1NP2/3NR3 w - - 0 1)

Eerkes, Allard Pieter

Probleemblad, 1951

3Rqr1B/4p3/3rbn2/1p2P3/1PkPP1n1/P1p4B/2K1NP2/3NR3

#3

13 + 10


SOLUTION


  • SOUND
  • Sets
    • 1...Rxd4
      • 2.Rxd4#
    • 1...Sxf2
      • 2.Se3#
    • 1...Sh2
      • 2.Se3#
    • 1...Se3+
      • 2.Sxe3#
    • 1...Sxe5
      • 2.Se3#
    • 1...Sh6
      • 2.Se3#
  • Keys
    • 1.Bf1!
      • threat
        • 2.Sg1+
          • 2...Kxd4
            • 3.Sf3#
      • 1...Sxe4
        • 2.Sexc3+
          • 2...Kxd4
            • 3.Rxe4#
      • 1...Sd5
        • 2.Sc1+
          • 2...Kxd4
            • 3.Sb3#
      • 1...Sh5
        • 2.Sf4+
          • 2...Kxd4
            • 3.Sxe6#
      • 1...Sd7
        • 2.Sexc3+
          • 2...Kxd4
            • 3.Sxb5#
      • 1...Sh7
        • 2.Sf4+
          • 2...Kxd4
            • 3.Sxe6#
      • 1...Sg8
        • 2.Sf4+
          • 2...Kxd4
            • 3.Sxe6#

FEATURES


NOT CLASSIFIED


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).