Problem Display
PID: 172667 (8/5p2/5p2/8/4Q3/3N2pk/8/7K w - - 0 1)

Andreev, Aleksandr Grigorevich

Kuban segodniya, 1998

8/5p2/5p2/8/4Q3/3N2pk/8/7K

#3

3 + 4


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Tries
    • 1.Kg1?
      • 1...g2
        • 2.Sf2+
          • 2...Kg3
            • 3.Qg4#
        • 2.Qf4
          • 2...f5
            • 3.Sf2#
      • 1...f5!
    • 1.Se1?
      • threat
        • 2.Sg2
          • 2...f5
            • 3.Qxf5#
            • 3.Qh4#
        • 2.Qf5+
          • 2...Kh4
            • 3.Sg2#
            • 3.Sf3#
      • 1...f5
        • 2.Qxf5+
          • 2...Kh4
            • 3.Sg2#
            • 3.Sf3#
      • 1...g2+!
    • 1.Se5?
      • threat
        • 2.Qh7#
        • 2.Qg4#
      • 1...g2+
        • 2.Qxg2+
          • 2...Kh4
            • 3.Qg4#
      • 1...f5
        • 2.Qxf5+
          • 2...Kh4
            • 3.Sf3#
            • 3.Qg4#
      • 1...fxe5!
  • Keys
    • 1.Qf4!
      • 1...g2+
        • 2.Kg1
          • 2...f5
            • 3.Sf2#
      • 1...f5
        • 2.Qh6+
          • 2...Kg4
            • 3.Se5#

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).