Problem Display
PID: 96514 (8/5p2/N4B2/3p1N2/8/3k2K1/P2n4/3Q4 w - - 0 1)

Lincoln, Robert A

US Problem Bulletin, 1988

8/5p2/N4B2/3p1N2/8/3k2K1/P2n4/3Q4

#2

6 + 4


6490 yacpdb 2009
5454 Near Snap 2021
  • SOUND
  • Sets
    • 1...Kc4
      • 2.Qe2#
    • 1...Ke4
      • 2.Qc2#
  • Tries
    • 1.Kf4?
      • 1...Kc4
        • 2.Qe2#
      • 1...d4!
    • 1.Kg4?
      • 1...Kc4
        • 2.Qe2#
      • 1...Ke4
        • 2.Sc5#
        • 2.Qc2#
        • 2.Qe2#
      • 1...d4!
    • 1.Sb4+?
      • 1...Ke4
        • 2.Qc2#
        • 2.Qg4#
      • 1...Kc4!
    • 1.Bd4?
      • 1...Kc4
        • 2.Qe2#
      • 1...Ke4
        • 2.Qc2#
      • 1...f6!
    • 1.Qf1+?
      • 1...Kc2
        • 2.Se3#
        • 2.Sb4#
      • 1...Ke4
        • 2.Sc5#
      • 1...Sxf1+!
    • 1.Qxd2+?
      • 1...Kc4
        • 2.Sd6#
        • 2.Qe2#
      • 1...Ke4
        • 2.Sd6#
        • 2.Qc2#
      • 1...Kxd2!
    • 1.a4?
      • 1...Kc4
        • 2.Qc2#
      • 1...Ke4
        • 2.Qc2#
      • 1...d4!
  • Keys
    • 1.Sd4!
      • 1...Kc3
        • 2.Qc2#
      • 1...Ke3
        • 2.Qe2#
      • 1...Kc4
        • 2.Qc2#
      • 1...Ke4
        • 2.Qe2#

Anticipated by 16715(1942), 9835(1960)



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).