Problem Display
PID: 162715 (1K1Q4/3b4/1p1n1N2/4p3/N3Pp1B/8/Rq1k4/1Bb1R3 w - - 0 1)

Thomas, Georg

Nationaltidende, 1942

(First published on Sun Oct 25 1942)

1K1Q4/3b4/1p1n1N2/4p3/N3Pp1B/8/Rq1k4/1Bb1R3

#2

9 + 8


15601 Albrecht-Leiss-Degener Collection 2017

SOLUTION


  • SOUND
  • Sets
    • 1...Bh3
      • 2.Qxd6#
    • 1...Bg4
      • 2.Qxd6#
    • 1...Bf5
      • 2.Qxd6#
    • 1...Bc8
      • 2.Qxd6#
    • 1...Be8
      • 2.Qxd6#
    • 1...Sxe4
      • 2.Sxe4#
  • Keys
    • 1.Qxb6!
      • threat
        • 2.Qb4#
      • 1...Sxe4
        • 2.Sxe4#
      • 1...Qc2
        • 2.Qxd6#
      • 1...Bb5
        • 2.Qa5#
      • 1...Sb5
        • 2.Qf2#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 5
  • Sets
    • B(h);OGATE,P_SPINS(g)::QAR(I),XS(g)
    • S(g);P_SPINB(h),XP(E)::S(G),XS(g)
  • Actual
    • Q(I);P_SPINQ(I),XP(f)
    • Threat
      • QAB(I)
    • Vars
      • S(g);XP(E)::S(G),XS(g)
      • Q(b);N_PINQ(I)::QAR(I),XS(g)
      • B(h);N_PINQ(I)::QAB(I)
      • S(g);N_PINQ(I)::QAR2(I)


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).