MESON Chess Problem Database

Problem Display
PID: 194976 (5K2/1P1b1P2/2p1kN2/2r5/2P2Q2/8/8/b7 w - - 0 1)

Hoeg, Nils

Eskilstuna Kuriren, 1918

5K2/1P1b1P2/2p1kN2/2r5/2P2Q2/8/8/b7

#2

6 + 5

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Bc8
      • 2.bxc8Q#
      • 2.bxc8B#
    • 1...Be8
      • 2.fxe8Q#
      • 2.fxe8R#
  • Keys
    • 1.Se8!
      • threat
        • 2.Sc7#
      • 1...Bg7+
        • 2.Sxg7#
      • 1...Bxe8
        • 2.fxe8Q#
      • 1...Bc8
        • 2.bxc8Q#
        • 2.bxc8B#
      • 1...Re5
        • 2.Qf6#
      • 1...Rf5
        • 2.Qd6#
      • 1...Be5
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • B(e);OGATE::PXB(e)=Q
  • Actual
    • S(C);
    • Threat
      • S(C)
    • Vars
      • B(a);CHECK,N_GUARD::S(C),XB(a)
      • B(e);OGATE,XS(C)::PXB(e)=Q
      • B(e);OGATE::PXB(e)=Q
      • R(b);S_CUTB(a)::QAR1(B)
      • R(b);P_PINP(E),SBLOCK::QAR1(B)
      • B(a);SBLOCK,S_CUTR(b)::QAB(B)
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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).