MESON Chess Problem Database

Problem Display
PID: 4518 (Q7/6R1/b7/8/1R6/6K1/N7/k7 w - - 0 1)

Shinkman, William Anthony

Dubuque Chess Journal, 1874

Q7/6R1/b7/8/1R6/6K1/N7/k7

#2

5 + 2

3925 The Golden Argosy 1929
3295 Einfuhrung in die Welt des Schachproblem 1984
133 The Problemist Supplement 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Kxa2
      • 2.Qxa6#
  • Keys
    • 1.Ra7!
      • 1...Kxa2
        • 2.Rxa6#
      • 1...Bf1
        • 2.Qh8#
      • 1...Be2
        • 2.Qh8#
      • 1...Bd3
        • 2.Qh8#
      • 1...Bc4
        • 2.Qh8#
      • 1...Bb5
        • 2.Qh8#
      • 1...Bb7
        • 2.Qh8#
      • 1...Bc8
        • 2.Qh1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • K(a);OGATEB,P-FLIGHT,P_SPINB(b),XS(A)::QAR(E),XB(b)
  • Actual
    • R(D);
    • Vars
      • K(a);OGATEB,P-FLIGHT,P_SPINB(b),XS(A)::R(D),XB(b)
      • B(b);::QAB(E)
      • B(b);N_GUARD::QAB1(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).