MESON Chess Problem Database

Problem Display
PID: 166351 (k1N3K1/p7/b7/1R1R4/8/8/8/8 w - - 0 1)

Lincoln, Robert A

Sp. Comm., StrateGems, 2016

k1N3K1/p7/b7/1R1R4/8/8/8/8

#2

4 + 3

145 StrateGems 2017

SOLUTION

  • SOUND
  • Keys
    • 1.Rd8!
      • 1...Bxb5
        • 2.Sd6#
      • 1...Bxc8
        • 2.Rxc8#
      • 1...Bb7
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(B);
    • Vars
      • B(a);N_GUARD,XR(A)::R(B)+S(C)
      • B(a);OGATE,P_SPINB(a),XS(C)::R(B),XB(a)
      • B(a);SBLOCK::R(B)+S(C),DCHECK
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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).