Problem Display
PID: 181842 (7R/N5Q1/kP6/8/2N5/8/8/4K2b w - - 0 1)

van Dijk, Johannes

Schaakbladet, 1905

7R/N5Q1/kP6/8/2N5/8/8/4K2b

#2

6 + 2


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Sets
    • 1...Bb7
      • 2.Qa1#
  • Keys
    • 1.b7!
      • threat
        • 2.b8S#
      • 1...Kxa7
        • 2.Ra8#
      • 1...Bxb7
        • 2.Qa1#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(a);SBLOCK::QAR(E)
  • Actual
    • P(C);
    • Threat
      • P=S
    • Vars
      • K(b);OGATEB,P-FLIGHT,XS(D)::R1(F)
      • B(a);SBLOCK,XP(C)::QAR(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).