MESON Chess Problem Database

Problem Display
PID: 243092 (2rr4/8/1p6/8/5Ppk/2N2b2/1P3K2/1RR5 w - - 0 1)

Anonymous

Source?, 0000

2rr4/8/1p6/8/5Ppk/2N2b2/1P3K2/1RR5

#2

6 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bh1
      • 2.Rxh1#
    • 1...Be2
      • 2.Rh1#
  • Keys
    • 1.Rh1+!
      • 1...Bxh1
        • 2.Rxh1#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • B(a);N_GUARD::R(B),XB(a)
    • B(a);N_GUARD::R(B)
  • Actual
    • R(B);CHECK
    • Vars
      • B(a);OGATE,XR(B)::R(A),XB(a)
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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).