MESON Chess Problem Database

Problem Display
PID: 184834 (3K4/p2R1B1b/6pN/2R1B3/r3k3/3p1p2/2np4/3N3n w - - 0 1)

van Dijk, Johannes

Western Daily Mercury, 1908

3K4/p2R1B1b/6pN/2R1B3/r3k3/3p1p2/2np4/3N3n

#2

7 + 10

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Bg8
      • 2.Bxg6#
    • 1...Se3
      • 2.Sc3#
    • 1...Sb4
      • 2.Rd4#
  • Keys
    • 1.Re7!
      • threat
        • 2.Bd5#
      • 1...Rd4+
        • 2.Bd6#
      • 1...Bg8
        • 2.Bxg6#
      • 1...Se3
        • 2.Sc3#
      • 1...Sb4
        • 2.Rc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(j);N_GUARD::B(F),XP(h)
    • S(b);SBLOCK::S(A)
    • S(b);N_GUARD,S_CUTR(f)::R1(E)
  • Actual
    • R(E);
    • Threat
      • B(F)
    • Vars
      • R(f);CHECK,SBLOCK::R(E)+B(C)
      • B(j);N_GUARD::B(F),XP(h)
      • S(b);SBLOCK::S(A)
      • S(b);N_GUARD,S_CUTR(f)::R(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).