Problem Display
PID: 150007 (4b2k/6R1/7P/4K2N/8/8/8/8 w - - 0 1)

Abdullayev, Elmar

Kudesnik, 2009

4b2k/6R1/7P/4K2N/8/8/8/8

#2

4 + 2


15148 Sadier Collection 2014
5454 Near Snap 2022

SOLUTION


  • SOUND
  • Keys
    • 1.Sf6!
      • threat
        • 2.Rh7#
        • 2.Rg8#
      • 1...Bg6
        • 2.Rg8#
      • 1...Bf7
        • 2.Rh7#

Anticipated by 178760(1984)

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(B);
    • Threat
      • DUALS(2)
    • Vars
      • B(a);::R1(D)


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).