Problem Display
PID: 80034 (2Q5/4N3/r2k1K2/b7/3P4/8/8/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

Sovietskaya Kuban, 1961

2Q5/4N3/r2k1K2/b7/3P4/8/8/8

#2

4 + 3


3713 Snap 2008
5454 Near Snap 2009
  • SOUND
  • Sets
    • 1...Rb6
      • 2.Qd8#
    • 1...Rc6
      • 2.Qxc6#
    • 1...Ra7
      • 2.Qc6#
    • 1...Ra8
      • 2.Qc6#
    • 1...Be1
      • 2.Qd8#
    • 1...Bd2
      • 2.Qd8#
    • 1...Bc3
      • 2.Qd8#
    • 1...Bb4
      • 2.Qd8#
    • 1...Bb6
      • 2.Qc6#
    • 1...Bc7
      • 2.Qe6#
    • 1...Bd8
      • 2.Qxd8#
  • Tries
    • 1.Qb7?
      • threat
        • 2.Sf5#
        • 2.Sc8#
      • 1...Bc7
        • 2.Qd5#
      • 1...Rc6
        • 2.Qxc6#
      • 1...Ra8
        • 2.Sf5#
        • 2.Qc6#
      • 1...Bd8!
  • Keys
    • 1.Kf7!
      • 1...Rb6
        • 2.Qd8#
      • 1...Rc6
        • 2.Qxc6#
      • 1...Ra7
        • 2.Qc6#
      • 1...Ra8
        • 2.Qc6#
      • 1...Be1
        • 2.Qd8#
      • 1...Bd2
        • 2.Qd8#
      • 1...Bc3
        • 2.Qd8#
      • 1...Bb4
        • 2.Qd8#
      • 1...Bb6
        • 2.Qc6#
      • 1...Bc7
        • 2.Qe6#
      • 1...Bd8
        • 2.Qxd8#

Anticipated by 21397(1918)

This anticipates 22411(1962), 159492(1996), 147126(1997), 1056(1999)



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).