Problem Display
PID: 106632 (1n6/2ppp3/2Rbp1K1/2p1k3/Qp4p1/3pP3/3N4/4n3 w - - 0 1)

Kadourek, Eduard

Lidova Demokracie, 1949

1n6/2ppp3/2Rbp1K1/2p1k3/Qp4p1/3pP3/3N4/4n3

#3

5 + 12


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...b3
      • 2.Qe4#
    • 1...dxc6
      • 2.Qa1+
        • 2...Kd5
          • 3.e4#
  • Tries
    • 1.Qxb4?
      • threat
        • 2.Qe4#
      • 1...c4
        • 2.Qxc4
          • threat
            • 3.Qd4#
            • 3.Qe4#
      • 1...cxb4!
  • Keys
    • 1.Qa8!
      • threat
        • 2.Rxc5+
          • 2...Bxc5
            • 3.Sc4#
      • 1...Kd5
        • 2.Rxd6+
          • 2...Ke5
            • 3.Sc4#
          • 2...Kxd6
            • 3.Sc4#
      • 1...Sxc6
        • 2.Qh8+
          • 2...Kd5
            • 3.e4#
      • 1...dxc6
        • 2.Qa1+
          • 2...Kd5
            • 3.e4#
      • 1...Sa6
        • 2.Rxc5+
          • 2...Bxc5
            • 3.Sc4#
          • 2...Sxc5
            • 3.Sc4#
        • 2.Rxc7
          • threat
            • 3.Sc4#
            • 3.Qe4#
      • 1...c4
        • 2.Rc5+
          • 2...Bxc5
            • 3.Sxc4#

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).