MESON Chess Problem Database

Problem Display
PID: 175005 (qb5B/P1p3Q1/8/1pPk3B/1K6/8/8/6n1 w - - 0 1)

Gregson, DC

San Francisco Chronicle, 1901

qb5B/P1p3Q1/8/1pPk3B/1K6/8/8/6n1

#2

6 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Ke6
      • 2.Qf7#
    • 1...Qc6
      • 2.Qe5#
  • Keys
    • 1.Bg6!
      • threat
        • 2.Qd7#
      • 1...Kc6
        • 2.Be4#
      • 1...Ke6
        • 2.Qf7#
      • 1...Qc6
        • 2.Qe5#
      • 1...c6
        • 2.Qf7#
        • 2.Qg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::QAB1(E)
    • Q(e);SBLOCK::QAR1(E)
  • Actual
    • B(C);
    • Threat
      • QAR2(E)
    • Vars
      • K(c);S_FLIGHT::B(C)
      • K(c);S_FLIGHT::QAB1(E)
      • Q(e);SBLOCK::QAR1(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).