Problem Display
PID: 262891 (8/5K2/ppN1P3/n1p5/2k1pN2/5p2/P2Q4/8 w - - 0 1)

Barsukov, Valery Nikolaevich

Zadachi i Etyudi, 2008

8/5K2/ppN1P3/n1p5/2k1pN2/5p2/P2Q4/8

#3

6 + 7


SOLUTION


  • SOUND
  • Sets
    • 1...f2
      • 2.Qe2+
        • 2...Kc3
          • 3.Sd5#
    • 1...e3
      • 2.Qd3#
    • 1...b5
      • 2.Sxa5#
      • 2.Se5#
      • 2.Qc1#
      • 2.Qc2#
  • Tries
    • 1.Qd1?
      • threat
        • 2.Qf1+
          • 2...Kc3
            • 3.Qc1#
      • 1...Kb5
        • 2.a4+
          • 2...Kc4
            • 3.Qc2#
          • 2...Kxc6
            • 3.Qd7#
      • 1...Sxc6!
    • 1.Qb2?
      • threat
        • 2.Se5#
      • 1...Sb3
        • 2.Qxb3#
      • 1...Sxc6!
    • 1.Qe2+?
      • 1...Kc3
        • 2.Sd5#
      • 1...fxe2!
    • 1.Qd4+?
      • 1...Kb5
        • 2.Sa7#
      • 1...cxd4!
  • Keys
    • 1.Sd3!
      • threat
        • 2.Sb2+
          • 2...Kb5
            • 3.Sa7#
      • 1...Kb5
        • 2.Sb2
          • threat
            • 3.Sa7#
          • 2...Kxc6
            • 3.Qd7#
          • 2...Sxc6
            • 3.a4#
          • 2...c4
            • 3.Qd5#
      • 1...Sxc6
        • 2.Sb2+
          • 2...Kb5
            • 3.a4#
      • 1...exd3
        • 2.Qf4+
          • 2...Kc3
            • 3.Qc1#
          • 2...Kb5
            • 3.Sa7#
          • 2...Kd5
            • 3.Se7#

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).