Problem Display
PID: 88691 (1Q1BR3/7n/8/7k/3P2p1/8/K7/4n3 w - - 0 1)

Kozyura, Gennady Volodimirovich

Kuzmichev, Vladimir Viktorovich

The Problemist, 1990

1Q1BR3/7n/8/7k/3P2p1/8/K7/4n3

#3

5 + 4


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Kg6
      • 2.Rg8+
        • 2...Kf5
          • 3.Qe5#
        • 2...Kh5
          • 3.Qh2#
        • 2...Kh6
          • 3.Qh2#
        • 2...Kf7
          • 3.Qb3#
  • Tries
    • 1.Rg8?
      • threat
        • 2.Qh2#
      • 1...Sg5
        • 2.Rxg5+
          • 2...Kh4
            • 3.Qh2#
          • 2...Kh6
            • 3.Qh2#
      • 1...Sg2
        • 2.Qh2+
          • 2...Sh4
            • 3.Qxh4#
      • 1...g3
        • 2.Qxg3
          • threat
            • 3.Qh2#
            • 3.Qh4#
            • 3.Qh3#
            • 3.Qg6#
          • 2...Kh6
            • 3.Qh2#
            • 3.Qh4#
            • 3.Qh3#
            • 3.Qg6#
          • 2...Sg5
            • 3.Qxg5#
      • 1...Sf3!
    • 1.Qe5+?
      • 1...Kg6
        • 2.Rg8+
          • 2...Kh6
            • 3.Qh2#
          • 2...Kf7
            • 3.Qd5#
            • 3.Qe8#
      • 1...Kh6!
  • Keys
    • 1.Rh8!
      • threat
        • 2.Qh2+
          • 2...Kg6
            • 3.Qxh7#
      • 1...Kg6
        • 2.Rg8+
          • 2...Kf5
            • 3.Qe5#
          • 2...Kh5
            • 3.Qh2#
          • 2...Kh6
            • 3.Qh2#
          • 2...Kf7
            • 3.Qb3#
      • 1...Kh6
        • 2.Qh2+
          • 2...Kg6
            • 3.Qxh7#
          • 2...Kg7
            • 3.Qxh7#
        • 2.Qa7
          • threat
            • 3.Qxh7#
          • 2...Kh5
            • 3.Qxh7#
          • 2...Kg6
            • 3.Qxh7#
        • 2.Qc7
          • threat
            • 3.Qxh7#
          • 2...Kh5
            • 3.Qxh7#
          • 2...Kg6
            • 3.Qxh7#
        • 2.Qb7
          • threat
            • 3.Qxh7#
          • 2...Kh5
            • 3.Qxh7#
          • 2...Kg6
            • 3.Qxh7#
      • 1...g3
        • 2.Qxg3
          • threat
            • 3.Rxh7#
            • 3.Qg5#
          • 2...Kh6
            • 3.Qg5#
      • 1...Sg2
        • 2.Rxh7+
          • 2...Kg6
            • 3.Qb1#
      • 1...Sf3
        • 2.Rxh7+
          • 2...Kg6
            • 3.Qb1#

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).