MESON Chess Problem Database

Problem Display
PID: 194930 (3N1b2/6p1/b5N1/4Pk1p/5B1K/8/1n4Q1/8 w - - 0 1)

Ort, Josef

Narodni Politika, 1918

3N1b2/6p1/b5N1/4Pk1p/5B1K/8/1n4Q1/8

#2

6 + 6

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Sc4
      • 2.Qc2#
  • Keys
    • 1.Kg3!
      • threat
        • 2.Sh4#
      • 1...h4+
        • 2.Sxh4#
      • 1...Kxg6
        • 2.Qe4#
      • 1...Be7
        • 2.Sxe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • S(a);N_GUARD,S_CUTB(d)::QAB(A)
  • Actual
    • K(C);S_FLIGHT
    • Threat
      • S(E)
    • Vars
      • P(c);CHECK::S(E),XP(c)
      • K(b);S_FLIGHT,XS(E)::QAB(A)
      • B(f);N_GUARD::S(E),XB(f)
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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).