MESON Chess Problem Database

Problem Display
PID: 96864 (1B6/2K4R/7n/5p2/br3k2/3PpNp1/Q3P3/8 w - - 0 1)

Wenman, Francis Percival (aka Percy Wenman)

200 Assorted Problems (Wenman), 1945

1B6/2K4R/7n/5p2/br3k2/3PpNp1/Q3P3/8

#2

7 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rb1
      • 2.Qc4#
    • 1...Rb2
      • 2.Qc4#
    • 1...Rc4+
      • 2.Qxc4#
    • 1...Rb5
      • 2.Qc4#
    • 1...Rb6
      • 2.Qc4#
    • 1...Rxb8
      • 2.Qc4#
    • 1...Sf7
      • 2.Rh4#
    • 1...Sg8
      • 2.Rh4#
  • Keys
    • 1.Qg8!
      • threat
        • 2.Qg5#
      • 1...Rc4+
        • 2.Qxc4#
      • 1...Rb7+
        • 2.Kxb7#
      • 1...Sxg8
        • 2.Rh4#
      • 1...Sf7
        • 2.Rh4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • R(d);N_GUARD::QAR(A)
    • R(d);CHECK,N_GUARD::QAR(A),XR(d)
    • R(d);N_GUARD,XB(G)::QAR(A)
    • S(g);OGATE::R(F)
  • Actual
    • Q(A);
    • Threat
      • QAB1(A)
    • Vars
      • R(d);CHECK,N_GUARD::QAR(A),XR(d)
      • R(d);CHECK::B(G)+K(E),XR(d)
      • S(g);OGATE,XQ(A)::R(F)
      • S(g);OGATE::R(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).