MESON Chess Problem Database

Problem Display
PID: 6067 (3n2n1/5P1k/3b1B2/3p4/Q5NK/3p2p1/8/8 w - - 0 1)

Kainer, Cenek

Svetozor, 1926

3n2n1/5P1k/3b1B2/3p4/Q5NK/3p2p1/8/8

#2

5 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Bf4
      • 2.f8S#
    • 1...Be5
      • 2.f8S#
    • 1...Bc7
      • 2.f8S#
    • 1...Bb8
      • 2.f8S#
    • 1...d2
      • 2.Qc2#
  • Keys
    • 1.Qf4!
      • threat
        • 2.Qf5#
      • 1...Kg6
        • 2.fxg8Q#
      • 1...Bxf4
        • 2.f8S#
      • 1...Sxf6
        • 2.Qh6#
      • 1...Sh6
        • 2.Qxh6#
      • 1...Se7
        • 2.Qh6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 4
  • Sets
    • B(d);N_GUARD::P=S
    • P(a);OGATEB::QAB(A)
  • Actual
    • Q(A);
    • Threat
      • QAB(A)
    • Vars
      • K(e);S_FLIGHT::PXS(g)=Q
      • B(d);N_GUARD,XQ(A)::P=S
      • S(g);N_GUARD,XB(D)::QAR1(A)
      • S(g);N_GUARD::QAR1(A),XS(g)
      • S(g);N_GUARD::QAR1(A)
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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).