Problem Display
PID: 112411 (7K/4p2p/3p2pQ/8/B5k1/3P4/6pP/4Bbr1 w - - 0 1)

Rumyantsev, Sergei Yuryewitch

Sibirian tourney, 1971

7K/4p2p/3p2pQ/8/B5k1/3P4/6pP/4Bbr1

#3

6 + 8


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...g5
      • 2.Qe6+
        • 2...Kf3
          • 3.Qe4#
        • 2...Kf4
          • 3.Qe4#
        • 2...Kh5
          • 3.Be8#
    • 1...e5
      • 2.Qh4+
        • 2...Kf3
          • 3.Qe4#
        • 2...Kf5
          • 3.Bd7#
  • Tries
    • 1.Qf4+?
      • 1...Kh3
        • 2.Qg3#
        • 2.Qh4#
      • 1...Kh5
        • 2.Qh4#
      • 1...Kxf4!
    • 1.Qg5+?
      • 1...Kf3
        • 2.Bd1+
          • 2...Be2
            • 3.Qg3#
      • 1...Kxg5!
    • 1.Qh4+?
      • 1...Kf3
        • 2.Qe4#
      • 1...Kf5!
  • Keys
    • 1.Bg3!
      • threat
        • 2.Qf4+
          • 2...Kh3
            • 3.Qh4#
          • 2...Kh5
            • 3.Qh4#
      • 1...Kf3
        • 2.Bd1+
          • 2...Be2
            • 3.Qf4#
      • 1...Kf5
        • 2.Bd7+
          • 2...Kf6
            • 3.Qf4#
          • 2...e6
            • 3.Qf4#
      • 1...g5
        • 2.Qe6+
          • 2...Kf3
            • 3.Qe4#
          • 2...Kh5
            • 3.Be8#
      • 1...e5
        • 2.Qh4+
          • 2...Kf3
            • 3.Qe4#
          • 2...Kf5
            • 3.Bd7#

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).