Problem Display
PID: 140175 (1rr1b3/n7/1b5n/p3pPN1/3pQ3/5Pk1/4B1P1/3N3K w - - 0 1)

Eerkes, Allard Pieter

Probleemblad, 1975

1rr1b3/n7/1b5n/p3pPN1/3pQ3/5Pk1/4B1P1/3N3K

#3

8 + 10


SOLUTION


  • SOUND
  • Sets
    • 1...Sg4
      • 2.Qxg4#
    • 1...Sxf5
      • 2.Qg4#
    • 1...Sf7
      • 2.Qg4#
    • 1...Sg8
      • 2.Qg4#
  • Tries
    • 1.Bd3?
      • threat
        • 2.Qe1+
          • 2...Kf4
            • 3.Sh3#
            • 3.Se6#
      • 1...Rc6
        • 2.Qe1+
          • 2...Kf4
            • 3.Sh3#
      • 1...Bd7
        • 2.Qe1+
          • 2...Kf4
            • 3.Sh3#
      • 1...Bf7
        • 2.Qe1+
          • 2...Kf4
            • 3.Sh3#
      • 1...Rc2!
  • Keys
    • 1.Se6!
      • threat
        • 2.Qxe5+
          • 2...Kh4
            • 3.Qh2#
      • 1...Rc5
        • 2.Bc4
          • threat
            • 3.Qe1#
          • 2...Sg4
            • 3.Qxg4#
      • 1...Bc7
        • 2.Bb5
          • threat
            • 3.Qe1#
          • 2...Sg4
            • 3.Qxg4#
      • 1...Sc6
        • 2.Bd3
          • threat
            • 3.Qe1#
          • 2...Sg4
            • 3.Qxg4#

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).