Problem Display
PID: 56185 (4N3/8/4pp2/2Q3N1/K4kr1/6p1/6PR/8 w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

British Chess Magazine, 1901

4N3/8/4pp2/2Q3N1/K4kr1/6p1/6PR/8

#2

6 + 5


3262 700 Chess Problems 1902

SOLUTION


  • SOUND
  • Sets
    • 1...Rh4
      • 2.Rxh4#
  • Tries
    • 1.Sd6?
      • threat
        • 2.Sh3#
        • 2.Sxe6#
      • 1...Rxg5
        • 2.Qd4#
      • 1...fxg5
        • 2.Qd4#
      • 1...Rh4
        • 2.Rxh4#
      • 1...e5
        • 2.Sh3#
        • 2.Se6#
        • 2.Qc1#
      • 1...gxh2!
  • Keys
    • 1.Sg7!
      • threat
        • 2.Sh5#
        • 2.S7xe6#
      • 1...Rxg5
        • 2.Qd4#
      • 1...gxh2
        • 2.Sh5#
      • 1...fxg5
        • 2.Qd4#
      • 1...Rh4
        • 2.Rxh4#
      • 1...e5
        • 2.Qc1#
      • 1...f5
        • 2.S7xe6#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • R(c);OGATEB::R(B),XR(c)
  • Tries
    • Try
      • S(F);
      • Threat
        • DUALS(2)
      • Vars
        • R(c);SBLOCK,XS(E)::QAR2(D)
        • P(e);SBLOCK,XS(E)::QAR2(D)
        • R(c);OGATEB::R(B),XR(c)
      • Refutation
        • P(a);XR(B)
  • Actual
    • S(F);
    • Threat
      • DUALS(2)
    • Vars
      • R(c);SBLOCK,XS(E)::QAR2(D)
      • P(a);XR(B)::S(F)
      • P(e);SBLOCK,XS(E)::QAR2(D)
      • R(c);OGATEB::R(B),XR(c)
      • P(d);SBLOCK::QAB(D)
      • P(e);::S(F),XP(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).