MESON Chess Problem Database

Problem Display
PID: 214667 (4n3/5p2/5N1B/4k3/8/Q7/3K4/1B6 w - - 0 1)

Klark, Dmitry Vasilevich

Vsemirnaya Illustrantiya, 1879

4n3/5p2/5N1B/4k3/8/Q7/3K4/1B6

#2

5 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qc3#
  • Keys
    • 1.Bf8!
      • 1...Kd4
        • 2.Qc5#
        • 2.Qc3#
      • 1...Kf4
        • 2.Qe3#
      • 1...Ke6
        • 2.Qe7#
      • 1...Kxf6
        • 2.Qe7#
      • 1...Sxf6
        • 2.Qd6#
      • 1...Sd6
        • 2.Qxd6#
      • 1...Sc7
        • 2.Qd6#
      • 1...Sg7
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 1
  • Sets
    • K(a);S_FLIGHT::QAB1(C)
  • Actual
    • B(E);
    • Vars
      • K(a);S_FLIGHT::QAB1(C)
      • K(a);P-FLIGHT::QAR1(C)
      • K(a);S_FLIGHT,XS(D)::QAB1(C)
      • S(c);N_GUARD,XS(D)::QAB1(C)
      • S(c);N_GUARD::QAB1(C),XS(c)
      • S(c);N_GUARD::QAB1(C)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).