Problem Display
PID: 51128 (Qn6/3ppR2/bp6/1r2k1pB/1p2NN2/8/8/6BK w - - 0 1)

Hawes, Frederick Thomas

Manchester Guardian, 1950

Qn6/3ppR2/bp6/1r2k1pB/1p2NN2/8/8/6BK

#2

7 + 9


SOLUTION


  • SOUND
  • Sets
    • 1...Rd5
      • 2.Qxd5#
    • 1...e6
      • 2.Sd3#
      • 2.Sg6#
  • Keys
    • 1.Bg6!
      • threat
        • 2.Rf5#
      • 1...gxf4
        • 2.Rxe7#
      • 1...Rd5
        • 2.Qxd5#
      • 1...Bb7
        • 2.Qa1#
      • 1...Sc6
        • 2.Qh8#
      • 1...d5
        • 2.Qxb8#
      • 1...e6
        • 2.Sd3#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • R(b);N_GUARD::QAR1(G),XR(b)
  • Actual
    • B(E);
    • Threat
      • R1(F)
    • Vars
      • P(d);SBLOCK,XS(D)::R(F),XP(h)
      • R(b);N_GUARD::QAR1(G),XR(b)
      • B(e);OGATE,P_PINS(C)::QAB(G)
      • S(i);OGATE::QAB(G)
      • P(g);N_GUARD::QAB(G),XS(i)
      • P(h);SBLOCK::S(D)


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).