MESON Chess Problem Database

Problem Display
PID: 199895 (nrk1bK2/1N1R1p2/8/1PB4Q/N7/8/8/8 w - - 0 1)

Onitiu, Valerian

Haagsche Courant, 1897

nrk1bK2/1N1R1p2/8/1PB4Q/N7/8/8/8

#2

7 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Sb6
      • 2.Sxb6#
    • 1...f5
      • 2.Qxe8#
    • 1...f6
      • 2.Qxe8#
  • Keys
    • 1.Bb6!
      • 1...Kxd7
        • 2.Qf5#
      • 1...Rxb7
        • 2.Rd8#
      • 1...Bxd7
        • 2.Sd6#
      • 1...Sxb6
        • 2.Sxb6#
      • 1...Sc7
        • 2.Rxc7#
      • 1...f5
        • 2.Qxe8#
      • 1...f6
        • 2.Qxe8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(b);N_GUARD::S(A),XS(b)
    • P(a);OGATE::QAR2(D),XB(e)
  • Actual
    • B(C);
    • Vars
      • K(d);OGATEB,S_FLIGHT,XR(F)::QAB(D)
      • R(c);SBLOCK,XS(E)::R1(F)
      • B(e);SBLOCK,XR(F)::S(E)
      • S(b);XB(C)::S(A),XS(b)
      • S(b);N_GUARD::R1(F),XS(b)
      • P(a);OGATE::QAR2(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).