Problem Display
PID: 90350 (B2BR3/1KRp4/1p1k2pp/8/2P1p1P1/2p1rN2/2pr1n2/3Nnqb1 w - - 0 1)

Postma, Bernardus

Die Schwalbe, 1948

B2BR3/1KRp4/1p1k2pp/8/2P1p1P1/2p1rN2/2pr1n2/3Nnqb1

#3

9 + 14


6490 yacpdb 2009

SOLUTION


  • COOKED
  • Sets
    • 1...Rde2
      • 2.Sd4
        • threat
          • 3.Sb5#
        • 2...b5
          • 3.Sxb5#
    • 1...b5
      • 2.c5+
        • 2...Kd5
          • 3.Sxe3#
  • Tries
    • 1.Re6+?
      • 1...dxe6
        • 2.Be7#
      • 1...Kxe6!
    • 1.c5+?
      • 1...Kd5
        • 2.Sxe3#
      • 1...bxc5!
  • Keys
    • 1.Kxb6!
      • threat
        • 2.c5#
      • 1...Qxc4
        • 2.Rxc4
          • threat
            • 3.Bc7#
      • 1...Rd5
        • 2.Be7+
          • 2...Ke6
            • 3.Bxd5#
      • 1...Sed3
        • 2.Sd4
          • threat
            • 3.Sb5#
        • 2.Se5
          • threat
            • 3.Sf7#
            • 3.Rxd7#
          • 2...Sxe5
            • 3.c5#
        • 2.Be7+
          • 2...Ke6
            • 3.Bd5#
        • 2.Rc5
          • threat
            • 3.Bc7#
            • 3.Rd5#
        • 2.Ra7
          • threat
            • 3.Bc7#
        • 2.Rb7
          • threat
            • 3.Bc7#
        • 2.Rc8
          • threat
            • 3.Bc7#
      • 1...Sfd3
        • 2.Be7+
          • 2...Ke6
            • 3.Bd5#
        • 2.Rc5
          • threat
            • 3.Bc7#
            • 3.Rd5#
    • 1.Kc8!
      • threat
        • 2.c5+
          • 2...bxc5
            • 3.Rxd7#
      • 1...Qxc4
        • 2.Rxc4
          • threat
            • 3.Bc7#
      • 1...Rd5
        • 2.Be7+
          • 2...Ke6
            • 3.Bxd5#
      • 1...Sed3
        • 2.Sd4
          • threat
            • 3.Sb5#
          • 2...b5
            • 3.Sxb5#
        • 2.Be7+
          • 2...Ke6
            • 3.Bd5#
      • 1...Sfd3
        • 2.Sxc3
          • threat
            • 3.Sb5#
          • 2...b5
            • 3.Sxb5#
        • 2.Be7+
          • 2...Ke6
            • 3.Bd5#

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).