MESON Chess Problem Database

Problem Display
PID: 56922 (8/Q7/3p2pb/1bNPN2p/3kPn1R/Kn6/1P2PP2/5BB1 w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

Bradford Observer Budget, 1894

8/Q7/3p2pb/1bNPN2p/3kPn1R/Kn6/1P2PP2/5BB1

#2

12 + 8

3262 700 Chess Problems 1902

SOLUTION

  • SOUND
  • Sets
    • 1...Bc4
      • 2.Sf3#
      • 2.Sc6#
    • 1...Se6
      • 2.f4#
    • 1...dxe5
      • 2.e3#
  • Tries
    • 1.Sxb3+?
      • 1...Kxe5
        • 2.Qd4#
      • 1...Kxe4!
    • 1.Scd3+?
      • 1...Sc5
        • 2.f3#
      • 1...Kxe4!
    • 1.Scd7+?
      • 1...Sc5
        • 2.f3#
      • 1...Kxe4!
  • Keys
    • 1.Qe7!
      • threat
        • 2.f3#
      • 1...Kxc5
        • 2.Qa7#
      • 1...Sxe2
        • 2.Sxb3#
      • 1...Sxd5
        • 2.Sxb3#
      • 1...dxe5
        • 2.e3#
      • 1...Se6
        • 2.f4#
      • 1...Sg2
        • 2.Sxb3#
      • 1...Sd3
        • 2.Sxb3#
      • 1...Sh3
        • 2.Sxb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • S(c);OGATE::B(B)+P(E)
    • P(f);SBLOCK,XS(K)::P(D)
  • Tries
    • Try
      • S(I);CHECK,XS(a)
      • Vars
        • K(b);S_FLIGHT,XS(K)::QAB1(L)
      • Refutation
        • K(b);P-FLIGHT,P_SPINS(c),XP(G)
    • Try
      • S(I);CHECK
      • Vars
        • S(a);P_SPINS(a)::B(B)+P(E)
      • Refutation
        • K(b);P-FLIGHT,P_SPINS(c),XP(G)
    • Try
      • S(I);CHECK
      • Vars
        • S(a);P_SPINS(a)::B(B)+P(E)
      • Refutation
        • K(b);P-FLIGHT,P_SPINS(c),XP(G)
  • Actual
    • Q(L);
    • Threat
      • B(B)+P(E)
    • Vars
      • K(b);OGATEB,P_SPINP(f),S_FLIGHT,XS(I)::QAB(L)
      • S(c);XP(D)::S(I),XS(a)
      • S(c);XP(J)::S(I),XS(a)
      • P(f);XS(K)::P(D)
      • S(c);OGATE::B(B)+P(E)
      • S(c);::S(I),XS(a)
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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).