MESON Chess Problem Database

Problem Display
PID: 45857 (8/8/2B5/7N/3R4/2K1k3/1R6/5b2 w - - 0 1)

Wester, Anders Emil

Land og Folk, 0000

8/8/2B5/7N/3R4/2K1k3/1R6/5b2

#2

5 + 2

4885 Amatorproblem 1976

SOLUTION

  • SOUND
  • Sets
    • 1...Bg2
      • 2.Rd3#
    • 1...Bd3
      • 2.Rxd3#
    • 1...Bh3
      • 2.Rd3#
  • Tries
    • 1.Sg3?
      • threat
        • 2.Sxf1#
        • 2.Sf5#
      • 1...Be2
        • 2.Rxe2#
      • 1...Bg2
        • 2.Sf5#
        • 2.Re2#
      • 1...Bh3
        • 2.Re2#
      • 1...Bc4
        • 2.Sf5#
      • 1...Bb5
        • 2.Sf5#
      • 1...Ba6
        • 2.Sf5#
      • 1...Bd3!
  • Keys
    • 1.Sf4!
      • 1...Be2
        • 2.Rxe2#
      • 1...Bg2
        • 2.Sxg2#
        • 2.Re2#
      • 1...Bd3
        • 2.Sg2#
      • 1...Bh3
        • 2.Re2#
      • 1...Bc4
        • 2.Sg2#
      • 1...Bb5
        • 2.Sg2#
      • 1...Ba6
        • 2.Sg2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • B(a);N_GUARD::R1(C)
    • B(a);N_GUARD::R1(C),XB(a)
  • Tries
    • Try
      • S(D);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);N_GUARD::R1(A),XB(a)
        • B(a);N_GUARD::R1(A)
        • B(a);::S(D)
      • Refutation
        • B(a);
  • Actual
    • S(D);
    • Vars
      • B(a);N_GUARD::R1(A),XB(a)
      • B(a);N_GUARD::S(D)
      • B(a);N_GUARD::R1(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).