MESON Chess Problem Database

Problem Display
PID: 229237 (1n1k4/npNPNKpr/2p3R1/2R4p/8/6BB/8/8 w - - 0 1)

Bajtay, Jozsef

Ujsag, 1926

1n1k4/npNPNKpr/2p3R1/2R4p/8/6BB/8/8

#2

8 + 8

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sc8
      • 2.dxc8Q#
      • 2.dxc8R#
    • 1...Sxd7
      • 2.Se6#
  • Keys
    • 1.Bh4!
      • threat
        • 2.Sed5#
      • 1...Kxc7
        • 2.Sd5#
      • 1...Sxd7
        • 2.Se6#
      • 1...Sc8
        • 2.dxc8Q#
        • 2.dxc8R#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(c);OGATE::PXS(c)=Q
    • S(g);SBLOCK,XP(F)::S(E)
  • Actual
    • B(A);
    • Threat
      • B(A)+S(G)
    • Vars
      • K(h);P_SPINP(b),S_FLIGHT,XS(E)::S(G)
      • S(g);SBLOCK,XP(F)::S(E)
      • S(c);OGATE::PXS(c)=Q
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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).