MESON Chess Problem Database

Problem Display
PID: 229090 (4B2n/3q3r/2kB4/1R1R3r/K3P2p/8/8/8 w - - 0 1)

van Dijk, Johannes

De Standaard, 1926

4B2n/3q3r/2kB4/1R1R3r/K3P2p/8/8/8

#2

6 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Bb8!
      • threat
        • 2.Rd6#
      • 1...Rxd5
        • 2.exd5#
      • 1...R5h6
        • 2.Rdc5#
      • 1...R7h6
        • 2.Bxd7#
      • 1...Sf7
        • 2.Bxd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • B(E);
    • Threat
      • R1(D)
    • Vars
      • R(b);OGATE,XR(D)::P(B),XR(b)
      • R(b);N_GUARD::R1(D)
      • R(e);N_GUARD::B(F),XQ(d)
      • S(f);S_CUTR(e)::B(F),XQ(d)
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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).