Problem Display
PID: 188749 (8/6pq/K1pp2b1/2Nk2Pn/2N5/2Pp2P1/3P3Q/8 w - - 0 1)

Chocolous, Jiri

3rd Prize, Pittsburgh Gazette, 1911

8/6pq/K1pp2b1/2Nk2Pn/2N5/2Pp2P1/3P3Q/8

#3

8 + 8


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Sets
    • 1...Be4
      • 2.Qf2
        • threat
          • 3.Qd4#
        • 2...Kxc4
          • 3.Qd4#
        • 2...dxc5
          • 3.Qf7#
  • Tries
    • 1.Sb6+?
      • 1...Kxc5
        • 2.Qg1#
        • 2.Qf2#
      • 1...Ke5!
    • 1.Qg1?
      • threat
        • 2.Qd4#
      • 1...Kxc4
        • 2.Qd4#
      • 1...dxc5!
    • 1.Qf2?
      • threat
        • 2.Qd4#
      • 1...Kxc4
        • 2.Qd4#
      • 1...dxc5!
  • Keys
    • 1.Qe2!
      • threat
        • 2.Sb6+
          • 2...Kxc5
            • 3.Qf2#
            • 3.Qe3#
      • 1...Kxc4
        • 2.Qe3
          • threat
            • 3.Qd4#
          • 2...Kd5
            • 3.Qd4#
          • 2...dxc5
            • 3.Qe6#
      • 1...Kxc5
        • 2.Sb6
          • threat
            • 3.Qf2#
            • 3.Qe3#
          • 2...dxe2
            • 3.d4#
          • 2...d5
            • 3.Qe7#
      • 1...dxe2
        • 2.Se3+
          • 2...Kxc5
            • 3.d4#
          • 2...Ke5
            • 3.d4#
      • 1...dxc5
        • 2.Qe5+
          • 2...Kxc4
            • 3.Qe6#
        • 2.Qe7
          • threat
            • 3.Se3#
            • 3.Sb6#
          • 2...Kxc4
            • 3.Qe6#
      • 1...Be4
        • 2.Qf2
          • threat
            • 3.Qd4#
          • 2...Kxc4
            • 3.Qd4#
          • 2...dxc5
            • 3.Qf7#

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).