MESON Chess Problem Database

Problem Display
PID: 214696 (4b3/5p2/8/pNQ5/kP6/b4nR1/1B6/1n5K w - - 0 1)

Klark, Dmitry Vasilevich

Vsemirnaya Illustrantiya, 1878

4b3/5p2/8/pNQ5/kP6/b4nR1/1B6/1n5K

#2

6 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Sd4!
      • threat
        • 2.Qxa5#
      • 1...Bxb4
        • 2.Qc2#
      • 1...axb4
        • 2.Qa7#
      • 1...Bb5
        • 2.Qxb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(E);
    • Threat
      • QAR1(F),XP(e)
    • Vars
      • B(b);SBLOCK,XP(D)::QAB(F)
      • P(e);OGATEB,SBLOCK,XP(D)::QAR(F)
      • B(g);N_GUARD::QAB1(F),XB(g)
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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).