Problem Display
PID: 248223 (8/3pNp2/4N3/4k3/4p3/2R1Q3/3K4/8 w - - 0 1)

von Bilow, Ludwig Immanuel

British Chess Magazine, 1881

8/3pNp2/4N3/4k3/4p3/2R1Q3/3K4/8

#2

5 + 4


15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Qxe4+!
      • 1...Kxe4
        • 2.Re3#
      • 1...Kd6
        • 2.Sf5#
        • 2.Sc8#
      • 1...Kf6
        • 2.Sd5#
        • 2.Sg8#

FEATURES


  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(C);CHECK,XP(a)
    • Vars
      • K(b);P-FLIGHT,XQ(C)::R1(B)


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).