MESON Chess Problem Database

Problem Display
PID: 170127 (1b3Q2/8/1p2p3/4k3/1n3Rp1/3n2N1/3P3K/2N4b w - - 0 1)

Ruppnig, E

Tages-Anzeiger, 1974

1b3Q2/8/1p2p3/4k3/1n3Rp1/3n2N1/3P3K/2N4b

#2

6 + 8

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Bd5
      • 2.Qxb8#
    • 1...Sd5
      • 2.Sxd3#
  • Keys
    • 1.Qd8!
      • threat
        • 2.Qd4#
      • 1...Kxf4
        • 2.Qf6#
      • 1...Sxf4
        • 2.d4#
      • 1...Bd6
        • 2.Qg5#
      • 1...Be4
        • 2.Rxe4#
      • 1...Bd5
        • 2.Qxb8#
      • 1...Sc2
        • 2.Sxd3#
      • 1...Sd5
        • 2.Sxd3#
      • 1...Sc6
        • 2.Sxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • B(a);SBLOCK::QAB(F),XB(h)
    • S(c);N_GUARD,SBLOCK::S(A),XS(b)
  • Actual
    • Q(F);
    • Threat
      • QAB1(F)
    • Vars
      • K(e);S_FLIGHT,XR(E)::QAR2(F)
      • S(b);OGATE,SBLOCK,XR(E)::P(B)
      • B(h);SBLOCK::QAR2(F)
      • B(a);N_GUARD::R1(E),XB(a)
      • B(a);SBLOCK::QAB(F),XB(h)
      • S(c);N_GUARD::S(A),XS(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).