MESON Chess Problem Database

Problem Display
PID: 259188 (8/pNp1N1K1/n1P1pPP1/Qb2krP1/n3pRp1/P3P1P1/7R/8 w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

Western Morning News, 1923

(First published on Thu Jun 28 1923)

8/pNp1N1K1/n1P1pPP1/Qb2krP1/n3pRp1/P3P1P1/7R/8

#2

13 + 10

15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Rxf4
      • 2.gxf4#
    • 1...Sb2
      • 2.Qc3#
    • 1...Sc3
      • 2.Qxc3#
    • 1...S4c5
      • 2.Qc3#
    • 1...Sb6
      • 2.Qc3#
    • 1...Sb4
      • 2.Qxc7#
    • 1...S6c5
      • 2.Qxc7#
    • 1...Sb8
      • 2.Qxc7#
  • Tries
    • 1.Qxb5+?
      • 1...S4c5
        • 2.Qb2#
      • 1...S6c5!
  • Keys
    • 1.Rh5!
      • 1...Rxf4
        • 2.gxf4#
      • 1...Rxg5
        • 2.Rxg5#
      • 1...Rxf6
        • 2.gxf6#
      • 1...Sb2
        • 2.Qc3#
      • 1...Sc3
        • 2.Qxc3#
      • 1...S4c5
        • 2.Qc3#
      • 1...Sb6
        • 2.Qc3#
      • 1...Sb4
        • 2.Qxc7#
      • 1...S6c5
        • 2.Qxc7#
      • 1...Sb8
        • 2.Qxc7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(f);OGATE,XR(E)::P(D),XR(f)
    • S(a);N_GUARD::QAB(F)
    • S(a);N_GUARD::QAB(F),XS(a)
    • S(a);N_GUARD,N_SPINB(d)::QAB(F)
    • S(g);N_GUARD::QAB(F),XP(j)
    • S(g);N_GUARD,N_SPINB(d)::QAB(F),XP(j)
  • Tries
    • Try
      • Q(F);CHECK,XB(d)
      • Vars
        • S(a);N_GUARD,P_SPINS(a)::QAB(F)
      • Refutation
        • S(g);P_SPINS(g)
  • Actual
    • R(A);
    • Vars
      • R(f);OGATE,XR(E)::P(D),XR(f)
      • R(f);OGATE,P_PINP(J),P_SPINR(f),XP(G)::R(A),XR(f)
      • R(f);OGATE,XP(I)::R(A)+P(G),XR(f)
      • S(a);N_GUARD::QAB(F)
      • S(a);N_GUARD::QAB(F),XS(a)
      • S(a);N_GUARD,N_SPINB(d)::QAB(F)
      • S(g);N_GUARD::QAB(F),XP(j)
      • S(g);N_GUARD,N_SPINB(d)::QAB(F),XP(j)
HTML5 logo

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).