Problem Display
PID: 171541 (8/2K5/8/1Nkp4/8/1Q6/8/8 w - - 0 1)

Antipov, Viacheslav Pavlovich

Za Ogneypori, 1987

8/2K5/8/1Nkp4/8/1Q6/8/8

#3

3 + 2


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Sets
    • 1...d4
      • 2.Sa3
        • 2...d3
          • 3.Qc4#
      • 2.Sd6
        • 2...d3
          • 3.Qc4#
  • Tries
    • 1.Kd7?
      • 1...d4
        • 2.Sc7
          • 2...d3
            • 3.Se6#
      • 1...Kb6!
    • 1.Sa3?
      • threat
        • 2.Qc3#
        • 2.Qb6#
      • 1...d4
        • 2.Qc4#
        • 2.Qb5#
      • 1...Kd4!
    • 1.Sc3?
      • threat
        • 2.Qa4
          • 2...d4
            • 3.Qb5#
      • 1...d4
        • 2.Sa4#
        • 2.Se4#
        • 2.Qb5#
      • 1...Kd4!
    • 1.Sa7?
      • threat
        • 2.Qc3#
      • 1...d4
        • 2.Qb5#
      • 1...Kd4!
    • 1.Qxd5+?
      • 1...Kb4
        • 2.Kb6
          • 2...Ka4
            • 3.Qc4#
      • 1...Kxd5!
    • 1.Qa3+?
      • 1...Kc4
        • 2.Kc6
          • 2...d4
            • 3.Sd6#
      • 1...Kxb5!
  • Keys
    • 1.Sd6!
      • threat
        • 2.Qc3#
        • 2.Qb6#
      • 1...Kd4
        • 2.Qg3
          • 2...Kc5
            • 3.Qc3#

FEATURES


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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).