MESON Chess Problem Database

Problem Display
PID: 142494 (4K3/1p2P3/1p5R/1Bpk1pP1/2N2r2/1P6/4N3/8 w - - 0 1)

Churcher, W

British Chess Magazine, 1891

4K3/1p2P3/1p5R/1Bpk1pP1/2N2r2/1P6/4N3/8

#2

8 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.Sc3#
    • 1...Re4
      • 2.Rd6#
  • Keys
    • 1.Re6!
      • threat
        • 2.Re5#
      • 1...Kxe6
        • 2.Sxf4#
      • 1...Rxc4
        • 2.Bxc4#
      • 1...Re4
        • 2.Rd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • R(a);SBLOCK::S(A)
    • R(a);P_PINP(G),SBLOCK::R1(F)
  • Actual
    • R(F);
    • Threat
      • R1(F)
    • Vars
      • K(c);S_FLIGHT,XR(F)::S(A),XR(a)
      • R(a);OGATE,XS(C)::B(D),XR(a)
      • R(a);SBLOCK::R1(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).