MESON Chess Problem Database

Problem Display
PID: 148798 (rRbR4/kB1p4/1N1P4/bKpP4/1N1B4/8/8/8 w - c5 0 1)

Law, T

British Chess Magazine, 1902

rRbR4/kB1p4/1N1P4/bKpP4/1N1B4/8/8/8

#2

9 + 6

SOLUTION

  • SOUND
  • Tries
    • 1.Rxd7?
      • threat
        • 2.Sc6#
        • 2.Rxa8#
      • 1...Kxb8
        • 2.Sc6#
      • 1...Rxb8
        • 2.Sc6#
      • 1...Bxb4
        • 2.Rxa8#
      • 1...cxb4
        • 2.Rxa8#
      • 1...Bxd7+!
  • Keys
    • 1.dxc5 ep!
      • threat
        • 2.Rxa8#
      • 1...dxc6+
        • 2.Sxc6#
      • 1...Kxb8
        • 2.Sxd7#
      • 1...Rxb8
        • 2.Sxc8#
      • 1...Bxb7
        • 2.Rxb7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(I);XP(d)
      • Threat
        • DUALS(2)
      • Vars
        • K(c);S_FLIGHT,XR(H)::S(A)
        • R(e);XR(H)::S(A)
        • B(a);XS(A)::R1(H),XR(e)
        • P(b);XS(A)::R1(H),XR(e)
      • Refutation
        • B(f);CHECK,XR(I)
  • Actual
    • P(D);EP,XP(b)
    • Threat
      • R1(H),XR(e)
    • Vars
      • P(d);CHECK,XP(D)::S(A),XP(d)
      • K(c);P_SPINB(f),S_FLIGHT,XR(H)::S(E),XP(d)
      • R(e);SBLOCK,XR(H)::B(B)+S(E),DCHECK,XB(f)
      • B(f);OGATE,XB(G)::R1(H),XB(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).