MESON Chess Problem Database

Problem Display
PID: 175640 (knN3RQ/bp3R2/n7/2p2p2/2N1pK2/8/6B1/8 w - - 0 1)

Anonymous

Philadelphia Times, 1900

knN3RQ/bp3R2/n7/2p2p2/2N1pK2/8/6B1/8

#2

7 + 8

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Bb6
      • 2.S4xb6#
    • 1...Sc6
      • 2.S8b6#
    • 1...Sd7
      • 2.S8b6#
    • 1...e3
      • 2.Bxb7#
    • 1...b5
      • 2.Rxa7#
    • 1...b6
      • 2.Rxa7#
  • Keys
    • 1.Qa1!
      • 1...Sc6
        • 2.S8b6#
      • 1...Sd7
        • 2.S8b6#
      • 1...Sb4
        • 2.S4b6#
        • 2.S8b6#
        • 2.Qxa7#
      • 1...Bb6
        • 2.S4xb6#
      • 1...Sc7
        • 2.S4b6#
        • 2.S8b6#
        • 2.Qxa7#
      • 1...e3
        • 2.Bxb7#
      • 1...b5
        • 2.Rxa7#
      • 1...b6
        • 2.Rxa7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • B(e);N_GUARD::S(B),XB(e)
    • S(h);::R(F)+S(E),DCHECK
    • P(a);OGATE,P_SPINP(f)::B(A),XP(f)
    • P(f);OGATE,P_SPINP(a)::R1(D),XB(e)
  • Actual
    • Q(G);
    • Vars
      • S(h);::R(F)+S(E),DCHECK
      • B(e);N_GUARD,P_SPINS(d)::S(B),XB(e)
      • P(a);OGATE,P_SPINP(f)::B(A),XP(f)
      • P(f);OGATE,P_SPINP(a)::R1(D),XB(e)
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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).