Problem Display
PID: 176183 (7Q/4B2P/2p5/2Nk4/8/1K6/8/8 w - - 0 1)

Nielsen, Johannes

Schach-Echo, 1966

7Q/4B2P/2p5/2Nk4/8/1K6/8/8

#2

5 + 2


5454 Near Snap 2018
6490 yacpdb 2018

SOLUTION


  • SOUND
  • Keys
    • 1.Bd8!
      • 1...Kxc5
        • 2.Qe5#
      • 1...Kd6
        • 2.Qd4#

Anticipated by 208130(1886), 4968(1895)

This anticipates 11610(1970), 161691(1989), 28619(1992)

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Actual
    • B(C);
    • Vars
      • K(a);P-FLIGHT,XS(B)::QAR2(E)
      • K(a);P-FLIGHT::QAR2(E)


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).