Problem Display
PID: 124166 (5N1k/5Pp1/7p/8/4p3/1n2K3/7Q/8 w - - 0 1)

Stolyarov, Vitaly Nesterovich

Zaporozskaya Pravda, 1980

5N1k/5Pp1/7p/8/4p3/1n2K3/7Q/8

#3

4 + 5


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...h5
      • 2.Qxh5#
    • 1...g5
      • 2.Qe5#
      • 2.Qxh6#
    • 1...g6
      • 2.Qe5#
      • 2.Qxh6#
  • Tries
    • 1.Se6?
      • threat
        • 2.Sg5
          • threat
            • 3.Qb8#
            • 3.f8Q#
            • 3.f8R#
        • 2.Qe5
          • threat
            • 3.Qxg7#
          • 2...Kh7
            • 3.Qxg7#
        • 2.f8Q+
          • 2...Kh7
            • 3.Qxg7#
      • 1...Sa1
        • 2.f8Q+
          • 2...Kh7
            • 3.Qxg7#
      • 1...Sd2
        • 2.f8Q+
          • 2...Kh7
            • 3.Qxg7#
      • 1...Sd4
        • 2.f8Q+
          • 2...Kh7
            • 3.Qxg7#
      • 1...Sa5
        • 2.f8Q+
          • 2...Kh7
            • 3.Qxg7#
      • 1...Sc5
        • 2.f8Q+
          • 2...Kh7
            • 3.Qxg7#
      • 1...Kh7!
  • Keys
    • 1.Qa2!
      • 1...g5
        • 2.Qb2+
          • 2...Sd4
            • 3.Qxd4#
      • 1...g6
        • 2.Qb2+
          • 2...Sd4
            • 3.Qxd4#
      • 1...Sa1
        • 2.Sg6+
          • 2...Kh7
            • 3.f8S#
      • 1...Sc1
        • 2.Sg6+
          • 2...Kh7
            • 3.f8S#
      • 1...Sd2
        • 2.Sg6+
          • 2...Kh7
            • 3.f8S#
      • 1...Sd4
        • 2.Sg6+
          • 2...Kh7
            • 3.f8S#
      • 1...Sa5
        • 2.Sg6+
          • 2...Kh7
            • 3.f8S#
        • 2.Qxa5
          • 2...g5
            • 3.Qc3#
            • 3.Qa1#
            • 3.Qe5#
          • 2...g6
            • 3.Qc3#
            • 3.Qa1#
            • 3.Qe5#
          • 2...h5
            • 3.Qxh5#
      • 1...Sc5
        • 2.Sg6+
          • 2...Kh7
            • 3.f8S#
      • 1...h5
        • 2.Qh2
          • threat
            • 3.Qxh5#
          • 2...g5
            • 3.Qe5#
          • 2...g6
            • 3.Qe5#
          • 2...h4
            • 3.Qxh4#

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).