Problem Display
PID: 87446 (8/8/8/4p1P1/2p1P1PP/6RP/2Pk1N1Q/6RK w - - 0 1)

Bikov, Nikolai Aleksandrovich

Problemista, 1972

8/8/8/4p1P1/2p1P1PP/6RP/2Pk1N1Q/6RK

#2

11 + 3


6490 yacpdb 2009
  • SOUND
  • Sets
    • 1...Ke2
      • 2.Sd1#
      • 2.Sd3#
    • 1...c3
      • 2.Sd3#
  • Tries
    • 1.Rb1?
      • 1...Ke2
        • 2.Sd3#
      • 1...c3
        • 2.Sd3#
      • 1...Kxc2!
    • 1.Rc1?
      • 1...Ke2
        • 2.Sd3#
      • 1...c3
        • 2.Sd3#
      • 1...Kxc1!
    • 1.Ra3?
      • 1...Kxc2
        • 2.Sd3#
      • 1...Ke2
        • 2.Sd1#
      • 1...c3!
    • 1.Rc3?
      • 1...Ke2
        • 2.Sd1#
      • 1...Kxc3!
    • 1.Qg2?
      • 1...Ke2
        • 2.Sd1#
        • 2.Sd3#
      • 1...c3
        • 2.Sd3#
      • 1...Kxc2!
    • 1.c3?
      • 1...Ke2
        • 2.Sd1#
        • 2.Sd3#
      • 1...Kc2!
    • 1.h5?
      • 1...Ke2
        • 2.Sd1#
        • 2.Sd3#
      • 1...c3
        • 2.Sd3#
      • 1...Kxc2!
    • 1.g6?
      • 1...Ke2
        • 2.Sd1#
        • 2.Sd3#
      • 1...c3
        • 2.Sd3#
      • 1...Kxc2!
  • Keys
    • 1.Ra1!
      • 1...Kxc2
        • 2.Sd1#
      • 1...Ke2
        • 2.Sd3#
      • 1...c3
        • 2.Sd3#


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).