MESON Chess Problem Database

Problem Display
PID: 48817 (2QB4/8/K1Npp1nq/p2NPk1p/P1n4P/5P2/8/8 w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

Morning Post, 1888

2QB4/8/K1Npp1nq/p2NPk1p/P1n4P/5P2/8/8

#2

9 + 8

3262 700 Chess Problems 1902

SOLUTION

  • SOUND
  • Sets
    • 1...Scxe5
      • 2.Sd4#
    • 1...Sf4
      • 2.Sde7#
    • 1...Sgxe5
      • 2.Sce7#
  • Keys
    • 1.Qb7!
      • threat
        • 2.Qb1#
        • 2.Qf7#
      • 1...Scxe5
        • 2.Sd4#
      • 1...Sxh4
        • 2.Qb1#
      • 1...Sgxe5
        • 2.Sce7#
      • 1...dxe5
        • 2.Qf7#
      • 1...exd5
        • 2.Qf7#
      • 1...Sf4
        • 2.Sde7#
      • 1...Se7
        • 2.Qb1#
      • 1...Sf8
        • 2.Qb1#
      • 1...Sh8
        • 2.Qb1#
      • 1...Qc1
        • 2.Qf7#
      • 1...Qd2
        • 2.Qf7#
      • 1...Qe3
        • 2.Qf7#
      • 1...Qf4
        • 2.Qf7#
      • 1...Qg5
        • 2.Qb1#
      • 1...Qg7
        • 2.Qb1#
      • 1...Qf8
        • 2.Qb1#
      • 1...Qh7
        • 2.Qb1#
      • 1...Qh8
        • 2.Qb1#
      • 1...Sb2
        • 2.Qf7#
      • 1...Sd2
        • 2.Qf7#
      • 1...Sa3
        • 2.Qf7#
      • 1...Se3
        • 2.Qf7#
      • 1...Sb6
        • 2.Qf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 20
    • REMOVED MATES = 0
  • Sets
    • S(a);SBLOCK,XP(E)::S(G)
    • S(g);N_GUARD,SBLOCK::S(D)
    • S(g);N_GUARD,SBLOCK,XP(E)::S(G)
  • Actual
    • Q(H);N_PINP(f)
    • Threat
      • DUALS(2)
    • Vars
      • S(a);SBLOCK,XP(E)::S(G)
      • S(g);XP(C)::QAB(H)
      • S(g);N_GUARD,SBLOCK,XP(E)::S(G)
      • P(e);XP(E)::QAR2(H)
      • P(f);XS(D)::QAR2(H)
      • S(g);N_GUARD,SBLOCK::S(D)
      • S(g);::QAB(H)
      • Q(h);::QAR2(H)
      • Q(h);::QAB(H)
      • S(a);::QAR2(H)
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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).