Problem Display
PID: 145824 (4Rr2/5Bpb/R2pN3/3k1pQ1/3p2N1/3K4/7b/8 w - - 0 1)

Bridgwater, Ralph Herbert

Birmingham Post, 1928

(First published on Tue Oct 30 1928)

4Rr2/5Bpb/R2pN3/3k1pQ1/3p2N1/3K4/7b/8

#2

7 + 8


15372 Bridgwater Scrapbook 2012

SOLUTION


  • SOUND
  • Tries
    • 1.Se3+?
      • 1...Ke5
        • 2.Sxf8#
        • 2.Qxg7#
      • 1...dxe3!
    • 1.Sf6+?
      • 1...Ke5
        • 2.Sxf8#
      • 1...gxf6!
    • 1.Sxd4+?
      • 1...Rxf7
        • 2.Ra5#
      • 1...Kc5!
    • 1.Sd8+?
      • 1...Rxf7
        • 2.Ra5#
      • 1...Kc5!
  • Keys
    • 1.Se5!
      • threat
        • 2.Ra5#
      • 1...f4+
        • 2.Sg6#
      • 1...Kxe5
        • 2.Sxf8#
      • 1...Bxe5
        • 2.Qg2#
      • 1...dxe5
        • 2.Qd8#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);CHECK
      • Refutation
        • P(b);XS(B)
    • Try
      • S(B);CHECK
      • Vars
        • K(c);P-FLIGHT::R(G)+S(E),XR(h)
      • Refutation
        • P(f);XS(B)
    • Try
      • S(E);CHECK,XP(b)
      • Vars
        • R(h);XB(F)::R(D)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • S(E);CHECK
      • Vars
        • R(h);XB(F)::R(D)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • S(B);N_PINP(d)
    • Threat
      • R(D)
    • Vars
      • P(d);CHECK::QAR(C)+S(B)
      • K(c);P-FLIGHT,P_SPINP(d),XS(B)::R(G)+S(E),XR(h)
      • B(a);SBLOCK,XS(B)::QAB(C)
      • P(e);OGATEB,SBLOCK,XS(B)::QAR(C)


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).