Problem Display
PID: 140434 (1K1Q4/N2Pp3/1PNp4/p1kp4/r1rp4/b1p5/1pR5/6B1 w - - 0 1)

van Gool, Johann Christoffel

3rd Place, Match: Greece - Netherlands, 1974

1K1Q4/N2Pp3/1PNp4/p1kp4/r1rp4/b1p5/1pR5/6B1

#3

8 + 11


102 Probleemblad 1976

SOLUTION


  • SOUND
  • Sets
    • 1...Rb4
      • 2.Rxc3+
        • 2...Rc4
          • 3.Bxd4#
    • 1...Bb4
      • 2.Se5
        • threat
          • 3.Sd3#
          • 3.Qc7#
  • Tries
    • 1.Sb4?
      • threat
        • 2.Sd3#
        • 2.Sa6#
      • 1...Raxb4
        • 2.Qc7#
      • 1...Rcxb4
        • 2.Qc7#
      • 1...Bxb4
        • 2.Qc7#
      • 1...axb4
        • 2.Qc7#
      • 1...Kxb4!
  • Keys
    • 1.b7!
      • threat
        • 2.Sb4
          • threat
            • 3.Sd3#
            • 3.Sa6#
          • 2...Kxb4
            • 3.Qb6#
          • 2...Raxb4
            • 3.Qc7#
          • 2...Rcxb4
            • 3.Qc7#
          • 2...Bxb4
            • 3.Qc7#
          • 2...axb4
            • 3.Qc7#
      • 1...Rcb4
        • 2.Rxc3+
          • 2...Rc4
            • 3.Bxd4#
      • 1...b1Q
        • 2.Sb4
          • threat
            • 3.Sd3#
            • 3.Sa6#
          • 2...Kxb4
            • 3.Qb6#
          • 2...Qxb4
            • 3.Qc7#
          • 2...Raxb4
            • 3.Qc7#
          • 2...Rcxb4
            • 3.Qc7#
          • 2...Bxb4
            • 3.Qc7#
          • 2...axb4
            • 3.Qc7#
      • 1...b1R
        • 2.Sb4
          • threat
            • 3.Sd3#
            • 3.Sa6#
          • 2...Kxb4
            • 3.Qb6#
          • 2...Rb1xb4
            • 3.Qc7#
          • 2...Ra4xb4
            • 3.Qc7#
          • 2...Rc4xb4
            • 3.Qc7#
          • 2...Bxb4
            • 3.Qc7#
          • 2...axb4
            • 3.Qc7#
      • 1...Rab4
        • 2.Qxa5+
          • 2...Rb5
            • 3.Qxb5#
      • 1...Bb4
        • 2.Se5
          • threat
            • 3.Sd3#
            • 3.Qc7#

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).