Problem Display
PID: 77686 (rR1q1k2/8/pN2Q2P/K2n2P1/1p3N1n/1bb5/8/3R4 w - - 0 1)

Kipping, Cyril Stanley

The Tablet, 1952

(First published on Sat Mar 1 1952)

rR1q1k2/8/pN2Q2P/K2n2P1/1p3N1n/1bb5/8/3R4

#2

8 + 9


15239 Valois Notebooks 2017

SOLUTION


  • SOUND
  • Sets
    • 1...Qxb8
      • 2.Sd7#
    • 1...Qc8
      • 2.Sd7#
    • 1...Qe8
      • 2.Sd7#
      • 2.Qxe8#
    • 1...Ra7
      • 2.Rxd8#
    • 1...Sg2
      • 2.Sg6#
    • 1...Sf3
      • 2.Sg6#
    • 1...Sf5
      • 2.Sg6#
    • 1...Sg6
      • 2.Sxg6#
    • 1...Se3
      • 2.Rdxd8#
    • 1...Sxf4
      • 2.Rdxd8#
    • 1...Sxb6
      • 2.Rdxd8#
    • 1...Sc7
      • 2.Sd7#
    • 1...Se7
      • 2.Rdxd8#
  • Keys
    • 1.g6!
      • threat
        • 2.Qf7#
      • 1...Sxg6
        • 2.Sxg6#
      • 1...Sxf4
        • 2.Rdxd8#
      • 1...Sxb6
        • 2.Rdxd8#
      • 1...Se7
        • 2.Rdxd8#
      • 1...Ra7
        • 2.Rxd8#
      • 1...Se3
        • 2.Rdxd8#
      • 1...Sf6
        • 2.g7#
      • 1...Sc7
        • 2.Sd7#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • Q(h);N_PINS(E),N_SPINQ(h),XR(H)::S(E)
    • Q(h);N_PINS(E)::S(E)
    • R(g);N_GUARD::R(H),XQ(h)
    • S(d);N_GUARD::S(B)
    • S(d);N_GUARD::S(B),XS(d)
    • S(e);OGATE::R(A),XQ(h)
    • S(e);OGATE,XS(B)::R(A),XQ(h)
    • S(e);OGATE,XS(E)::R(A),XQ(h)
    • S(e);N_PINS(E)::S(E)
  • Actual
    • P(D);
    • Threat
      • QAR1(F)
    • Vars
      • S(d);XP(D)::S(B),XS(d)
      • S(e);OGATE,XS(B)::R(A),XQ(h)
      • S(e);OGATE,XS(E)::R(A),XQ(h)
      • S(e);OGATE::R(A),XQ(h)
      • R(g);N_GUARD::R(H),XQ(h)
      • S(e);S_CUTB(b)::P(D)
      • S(e);N_PINS(E)::S(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).