MESON Chess Problem Database

Problem Display
PID: 30863 (R2b4/4p1K1/2n1P3/3Np1pk/8/5NpP/3P2P1/5Q2 w - - 0 1)

Johnson, Richard Wright

The Westminster Papers, 1874

R2b4/4p1K1/2n1P3/3Np1pk/8/5NpP/3P2P1/5Q2

#2

9 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Ba5
      • 2.Rh8#
    • 1...Bb6
      • 2.Rh8#
    • 1...Bc7
      • 2.Rh8#
  • Keys
    • 1.Qb5!
      • 1...Sb4
        • 2.Qe8#
      • 1...Ba5
        • 2.Rh8#
      • 1...Bb6
        • 2.Rh8#
      • 1...Bc7
        • 2.Rh8#
      • 1...Sd4
        • 2.Qe8#
      • 1...Sa5
        • 2.Qe8#
      • 1...Sa7
        • 2.Qe8#
      • 1...Sb8
        • 2.Qe8#
      • 1...e4
        • 2.Sf4#
      • 1...g4
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • B(g);OGATE,SBLOCK::R(I)
    • B(g);OGATE::R(I)
  • Actual
    • Q(A);
    • Vars
      • S(e);OGATE::QAB(A)
      • B(g);OGATE::R(I)
      • P(b);N_GUARD,S_CUTP(c)::S(F)
      • P(c);N_GUARD,S_CUTP(b)::S(F)
HTML5 logo

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).