MESON Chess Problem Database

Problem Display
PID: 280071 (8/8/8/8/8/7k/5R2/2K2R2 w - - 0 1)

Macleod, R

Newcastle Weekly Chronicle, 1892

8/8/8/8/8/7k/5R2/2K2R2

#2

3 + 1

5454 Near Snap 2025

SOLUTION

  • SOUND
  • Tries
    • 1.Rg2?
      • 1...Kh4
        • 2.Rh1#
      • 1...Kxg2!
  • Keys
    • 1.Rg1!
      • 1...Kh4
        • 2.Rh2#

This anticipates 280073(1967)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);
      • Vars
        • K(a);N_GUARD,P-FLIGHT::R(B)
      • Refutation
        • K(a);S_FLIGHT,XR(C)
  • Actual
    • R(B);
    • Vars
      • K(a);N_GUARD,P-FLIGHT::R(C)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).