Problem Display
PID: 250864 (6b1/1B6/r1n1pp2/R1n4Q/pb1kP3/2R2p2/3N4/3N3K w - - 0 1)

Cabral, Renato

Comm., Jerusalem Post, 1952

6b1/1B6/r1n1pp2/R1n4Q/pb1kP3/2R2p2/3N4/3N3K

#2

8 + 10


15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION


  • SOUND
  • Sets
    • 1...Bxa5
      • 2.Qxc5#
    • 1...Sd3
      • 2.Rc4#
    • 1...Sxe4
      • 2.Sxf3#
    • 1...Sxa5
      • 2.Sxf3#
    • 1...Sa7
      • 2.Sxf3#
    • 1...Se7
      • 2.Sxf3#
    • 1...Sb8
      • 2.Sxf3#
    • 1...Sd8
      • 2.Sxf3#
  • Keys
    • 1.Qh2!
      • threat
        • 2.Qd6#
      • 1...Sxe4
        • 2.Sxf3#
      • 1...Sxb7
        • 2.Qf2#
      • 1...Sxa5
        • 2.Sxf3#
      • 1...Sb3
        • 2.Qf2#
      • 1...Sd3
        • 2.Rc4#
      • 1...Sd7
        • 2.Qf2#
      • 1...Se5
        • 2.Qf2#
      • 1...Sa7
        • 2.Sxf3#
      • 1...Se7
        • 2.Sxf3#
      • 1...Sb8
        • 2.Sxf3#
      • 1...Sd8
        • 2.Sxf3#
      • 1...e5
        • 2.Qf2#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • B(c);N_GUARD,XR(F)::QAB1(G),XS(e)
    • S(e);SBLOCK::R1(D)
    • S(e);SBLOCK,XP(E)::S(C),XP(a)
    • S(g);XR(F)::S(C),XP(a)
    • S(g);::S(C),XP(a)
  • Actual
    • Q(G);
    • Threat
      • QAR2(G)
    • Vars
      • S(e);SBLOCK,XP(E)::S(C),XP(a)
      • S(e);XB(H)::QAB(G)
      • S(g);XR(F)::S(C),XP(a)
      • S(e);::QAB(G)
      • S(e);SBLOCK::R1(D)
      • S(g);SBLOCK::QAB(G)
      • S(g);::S(C),XP(a)
      • P(h);SBLOCK::QAB(G)


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).