MESON Chess Problem Database

Problem Display
PID: 71927 (b7/5n2/4pp2/1P1kb3/1PN2P2/3P4/6K1/Q7 w - - 0 1)

Makihovi, Ilmari

Social Demokraten, 1946

b7/5n2/4pp2/1P1kb3/1PN2P2/3P4/6K1/Q7

#2

7 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Bd4
      • 2.Qxa8#
    • 1...Bd6
      • 2.Se3#
      • 2.Sb6#
    • 1...Sd6
      • 2.Se3#
      • 2.Sb6#
  • Tries
    • 1.Qg1?
      • threat
        • 2.Qc5#
      • 1...Bd6
        • 2.Sb6#
      • 1...Bd4!
  • Keys
    • 1.Qa7!
      • threat
        • 2.Qc5#
      • 1...Bd4
        • 2.Qxa8#
      • 1...Bd6
        • 2.Se3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(b);SBLOCK::QAB(A),XB(f)
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • B(b);SBLOCK::S(E)
      • Refutation
        • B(b);
  • Actual
    • Q(A);
    • Threat
      • QAR1(A)
    • Vars
      • B(b);SBLOCK::QAB(A),XB(f)
      • B(b);SBLOCK::S(E)
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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).