MESON Chess Problem Database

Problem Display
PID: 96846 (nR2N2K/1P1k1P2/1nN1p3/8/8/8/8/8 w - - 0 1)

Wenman, Francis Percival (aka Percy Wenman)

200 Assorted Problems (Wenman), 1945

nR2N2K/1P1k1P2/1nN1p3/8/8/8/8/8

#2

6 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sc8
      • 2.bxc8Q#
  • Tries
    • 1.bxa8Q?
      • threat
        • 2.Rd8#
        • 2.Qb7#
        • 2.f8S#
      • 1...e5
        • 2.f8S#
      • 1...Sd5
        • 2.Rd8#
        • 2.f8S#
      • 1...Sc8
        • 2.Qb7#
      • 1...Sxa8!
  • Keys
    • 1.Rc8!
      • threat
        • 2.f8S#
      • 1...Sxc8
        • 2.b8S#
      • 1...Sc7
        • 2.Rxc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(a);OGATE::PXS(a)=Q
  • Tries
    • Try
      • P(B);XS(d)
      • Threat
        • DUALS(3)
      • Vars
        • P(b);::P=S
        • S(a);::QAR2(B)
      • Refutation
        • S(a);XQ(B)
  • Actual
    • R(D);
    • Threat
      • P=S
    • Vars
      • S(a);SBLOCK,XR(D)::P=S
      • S(d);N_GUARD::R1(D),XS(d)
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).