MESON Chess Problem Database

Problem Display
PID: 56060 (1Q6/4p3/2Pp4/1K4N1/2NkP3/3P4/3B4/4n3 w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

Illustrated Sporting and Dramatic News, 1890

1Q6/4p3/2Pp4/1K4N1/2NkP3/3P4/3B4/4n3

#2

8 + 4

3262 700 Chess Problems 1902

SOLUTION

  • SOUND
  • Sets
    • 1...e5
      • 2.Qxd6#
    • 1...e6
      • 2.Qxd6#
  • Tries
    • 1.Sb2?
      • 1...Ke5
        • 2.Qh8#
      • 1...Sc2
        • 2.Sf3#
      • 1...Sg2
        • 2.Sf3#
      • 1...Sf3
        • 2.Sxf3#
      • 1...d5
        • 2.Se6#
      • 1...e5
        • 2.Se6#
        • 2.Qxd6#
        • 2.Qa7#
        • 2.Qb6#
      • 1...e6
        • 2.Qxd6#
      • 1...Sxd3!
  • Keys
    • 1.Se5!
      • 1...Kxe5
        • 2.Qh8#
      • 1...Sxd3
        • 2.Sef3#
      • 1...dxe5
        • 2.Qd8#
      • 1...Sc2
        • 2.Sgf3#
      • 1...Sg2
        • 2.Sgf3#
      • 1...Sf3
        • 2.Sgxf3#
      • 1...d5
        • 2.Se6#
      • 1...e6
        • 2.Qxd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 1
  • Sets
    • P(d);N_GUARD::QAR2(H),XP(c)
  • Tries
    • Try
      • S(C);
      • Vars
        • K(b);P_SPINP(c),S_FLIGHT::QAB(H)
        • S(a);N_GUARD::S(F)
        • S(a);N_GUARD::S(F),XS(a)
        • P(c);::S(F)
        • P(d);N_GUARD::QAR2(H),XP(c)
      • Refutation
        • S(a);XP(B)
  • Actual
    • S(C);
    • Vars
      • K(b);OGATEB,P_SPINP(c),S_FLIGHT,XS(C)::QAB(H)
      • S(a);N_GUARD,SBLOCK,XP(B)::S(C)
      • P(c);OGATEB,SBLOCK,XS(C)::QAR(H)
      • S(a);N_GUARD::S(F)
      • S(a);N_GUARD::S(F),XS(a)
      • P(c);::S(F)
      • P(d);N_GUARD::QAR2(H),XP(c)
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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).