Problem Display
PID: 222918 (4K3/2b5/8/1QPkpB2/8/1bP1P3/5n2/8 w - - 0 1)

Dikusarov, Andrey Nikolayovich

Sachova skladba, 1989

4K3/2b5/8/1QPkpB2/8/1bP1P3/5n2/8

#2

6 + 5


15148 Sadier Collection 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Bd1
      • 2.c4#
    • 1...Bc2
      • 2.c4#
    • 1...Ba4
      • 2.c4#
    • 1...Sd1
      • 2.e4#
    • 1...Sh1
      • 2.e4#
    • 1...Sd3
      • 2.e4#
    • 1...Sh3
      • 2.e4#
    • 1...Sg4
      • 2.e4#
  • Keys
    • 1.Kd7!
      • threat
        • 2.c6#
      • 1...Ba4
        • 2.c4#
      • 1...Bc4
        • 2.Qc6#
      • 1...Bb6
        • 2.cxb6#
      • 1...Bd6
        • 2.cxd6#
      • 1...Sd3
        • 2.e4#
      • 1...Se4
        • 2.Be6#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 6
  • Sets
    • B(b);N_GUARD::P(A)
    • B(b);N_GUARD,P_PINQ(C)::P(A)
    • S(a);N_GUARD::P(B)
  • Actual
    • K(F);S_FLIGHT
    • Threat
      • QAR(C)+P(D)
    • Vars
      • B(b);N_GUARD,P_PINQ(C)::P(A)
      • B(b);SBLOCK::QAB1(C)
      • B(e);OGATE::QAR(C)+P(D),XB(e)
      • S(a);N_GUARD::P(B)
      • S(a);SBLOCK::B(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).