MESON Chess Problem Database

Problem Display
PID: 261018 (7b/3BQ3/8/8/2p2pN1/1Npn1k2/4p2K/4n3 w - - 0 1)

Teichmann, Richard

Neue Zurcher Zeitung, 1917

7b/3BQ3/8/8/2p2pN1/1Npn1k2/4p2K/4n3

#2

5 + 8

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Bd4
      • 2.Sxd4#
    • 1...c2
      • 2.Sd2#
  • Keys
    • 1.Qa3!
      • threat
        • 2.Qa8#
      • 1...Ke4
        • 2.Qa8#
      • 1...Sf2
        • 2.Sd2#
      • 1...Sb4
        • 2.Sd2#
      • 1...Sc5
        • 2.Sd2#
      • 1...Se5
        • 2.Sd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 2
  • Sets
    • B(h);N_GUARD::S(B),XB(h)
    • P(c);N_GUARD::S(B)
  • Actual
    • Q(E);
    • Threat
      • QAB(E)
    • Vars
      • K(e);S_FLIGHT::QAB(E)
      • S(d);S_CUTP(c)::S(B)
HTML5 logo

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).