Problem Display
PID: 88325 (8/4K3/8/2Nk1p2/3p1p2/8/2Q5/8 w - - 0 1)

Dragota, Petru

Buletin Problemistic, 1971

8/4K3/8/2Nk1p2/3p1p2/8/2Q5/8

#3

3 + 4


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Sd3?
      • threat
        • 2.Sb4+
          • 2...Ke5
            • 3.Qe2#
      • 1...Ke4
        • 2.Qe2+
          • 2...Kd5
            • 3.Qe6#
      • 1...f3!
    • 1.Se6?
      • threat
        • 2.Sc7+
          • 2...Ke5
            • 3.Qe2#
      • 1...d3
        • 2.Qc5+
          • 2...Ke4
            • 3.Sg5#
      • 1...f3
        • 2.Qc5+
          • 2...Ke4
            • 3.Qxd4#
      • 1...Ke5!
    • 1.Sd7?
      • threat
        • 2.Sb6+
          • 2...Ke5
            • 3.Qe2#
        • 2.Sf6+
          • 2...Ke5
            • 3.Qe2#
            • 3.Qc5#
            • 3.Qc7#
      • 1...f3
        • 2.Sf6+
          • 2...Ke5
            • 3.Qc7#
      • 1...d3!
  • Keys
    • 1.Sb3!
      • 1...Ke5
        • 2.Qe2+
          • 2...Kd5
            • 3.Qe6#
      • 1...d3
        • 2.Qc5+
          • 2...Ke4
            • 3.Sd2#
      • 1...f3
        • 2.Qc5+
          • 2...Ke4
            • 3.Qxd4#

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).