MESON Chess Problem Database

Problem Display
PID: 107619 (2B5/8/K7/1Pp1r1BR/2k5/5P2/3P4/1Q3N2 w - - 0 1)

Baird, Lilian Edith

Morning Post, 1892

2B5/8/K7/1Pp1r1BR/2k5/5P2/3P4/1Q3N2

#2

9 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Qd3#
  • Tries
    • 1.Rh4+?
      • 1...Kd5
        • 2.Qd3#
      • 1...Re4!
  • Keys
    • 1.Bf6!
      • 1...Re6+
        • 2.Bxe6#
      • 1...Kd4
        • 2.Qe4#
      • 1...Kd5
        • 2.Qd3#
      • 1...Rxh5
        • 2.Se3#
      • 1...Re1
        • 2.d3#
      • 1...Re2
        • 2.d3#
      • 1...Re3
        • 2.Sxe3#
      • 1...Re4
        • 2.d3#
      • 1...Rd5
        • 2.Se3#
      • 1...Rf5
        • 2.Se3#
      • 1...Rg5
        • 2.Se3#
      • 1...Re7
        • 2.d3#
      • 1...Re8
        • 2.d3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAR2(A)
  • Tries
    • Try
      • R(G);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • R(c);P_SPINR(c)
  • Actual
    • B(F);
    • Vars
      • R(c);CHECK,N_GUARD::B(I),XR(c)
      • K(a);P-FLIGHT,P_SPINR(c)::QAR1(A)
      • K(a);P_SPINR(c),S_FLIGHT::QAR2(A)
      • R(c);N_GUARD,XR(G)::S(B)
      • R(c);::P(C)
      • R(c);N_GUARD::S(B),XR(c)
      • R(c);N_GUARD::S(B)
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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).