MESON Chess Problem Database

Problem Display
PID: 31035 (BKn5/5N2/R7/3N1kp1/Q5n1/6P1/4p3/1b1rr3 w - - 0 1)

Latzel, Gerhard Paul

Schach-Express, 1948

BKn5/5N2/R7/3N1kp1/Q5n1/6P1/4p3/1b1rr3

#2

7 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Be4
      • 2.Qd7#
    • 1...Sf2
      • 2.Se3#
      • 2.Rf6#
    • 1...Sh2
      • 2.Se3#
      • 2.Rf6#
    • 1...Se3
      • 2.Sxe3#
      • 2.Rf6#
    • 1...Se5
      • 2.Se3#
      • 2.Sh6#
      • 2.Rf6#
    • 1...Sf6
      • 2.Rxf6#
    • 1...Sh6
      • 2.Se3#
      • 2.Rf6#
    • 1...Sa7
      • 2.Se7#
    • 1...Se7
      • 2.Sxe7#
  • Keys
    • 1.Qe8!
      • threat
        • 2.Qe6#
      • 1...Se5
        • 2.Se3#
      • 1...Sf6
        • 2.Sh6#
      • 1...Sb6
        • 2.Sd6#
      • 1...Sd6
        • 2.Sxd6#
      • 1...Se7
        • 2.Sxe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • B(a);SBLOCK::QAB(B)
    • S(e);N_GUARD::R1(D),XS(e)
    • S(h);N_GUARD::S(C)
    • S(h);N_GUARD::S(C),XS(h)
  • Actual
    • Q(B);
    • Threat
      • QAB1(B)
    • Vars
      • S(e);N_GUARD::S(C)
      • S(e);N_GUARD::S(E)
      • S(h);N_GUARD::S(E)
      • S(h);N_GUARD::S(E),XS(h)
      • S(h);N_GUARD::S(C),XS(h)
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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).