MESON Chess Problem Database

Problem Display
PID: 49524 (5N2/8/5B2/2KNpk2/8/6pb/4P1n1/3B2Q1 w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

Newcastle Weekly Courant, 1893

5N2/8/5B2/2KNpk2/8/6pb/4P1n1/3B2Q1

#2

7 + 5

3262 700 Chess Problems 1890

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Bc2#
    • 1...Kg4
      • 2.e4#
  • Tries
    • 1.Qf1+?
      • 1...Ke4
        • 2.Bc2#
        • 2.Qf3#
      • 1...Kg4
        • 2.Qf3#
        • 2.e3#
        • 2.e4#
      • 1...Sf4!
    • 1.Qxg2?
      • threat
        • 2.Qf3#
        • 2.e4#
      • 1...Kg4
        • 2.Qf3#
        • 2.e4#
      • 1...Bg4
        • 2.e4#
      • 1...e4
        • 2.Qxh3#
      • 1...Bxg2!
  • Keys
    • 1.Qh1!
      • 1...Ke4
        • 2.Bc2#
      • 1...Kg4
        • 2.e4#
      • 1...Bg4
        • 2.Qh7#
      • 1...Se1
        • 2.e4#
      • 1...Se3
        • 2.Qf3#
      • 1...Sf4
        • 2.e4#
      • 1...Sh4
        • 2.e4#
      • 1...e4
        • 2.Qxh3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • K(e);S_FLIGHT::B(A)
    • K(e);S_FLIGHT::B(A)+P(C)
  • Tries
    • Try
      • Q(B);CHECK
      • Refutation
        • S(a);P_SPINS(a)
    • Try
      • Q(B);XS(a)
      • Threat
        • DUALS(2)
      • Vars
        • B(c);::P(C)
        • P(d);SBLOCK::QAB(B),XB(c)
      • Refutation
        • B(c);XQ(B)
  • Actual
    • Q(B);
    • Vars
      • K(e);P_SPINS(a),S_FLIGHT::B(A)
      • K(e);S_FLIGHT::B(A)+P(C)
      • B(c);OGATE,SBLOCK::QAB(B)
      • S(a);::P(C)
      • S(a);OGATE::QAR2(B)
      • P(d);SBLOCK::QAB(B),XB(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).