MESON Chess Problem Database

Problem Display
PID: 222714 (8/Q1n2B2/5N2/nkN4K/1p6/1p6/1P6/8 w - - 0 1)

Jespersen, Karl Lorenz Jesper

Charleston Sunday News, 1883

8/Q1n2B2/5N2/nkN4K/1p6/1p6/1P6/8

#2

6 + 5

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Sfd7!
      • threat
        • 2.Qb6#
      • 1...Kc6
        • 2.Qb6#
      • 1...Sd5
        • 2.Qa6#
      • 1...Se6
        • 2.Qa6#
      • 1...Sc4
        • 2.Qa4#
      • 1...Sa8
        • 2.Qa6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(D);
    • Threat
      • QAR1(E)
    • Vars
      • K(d);S_FLIGHT::QAR1(E)
      • S(e);N_GUARD::QAB1(E)
      • S(c);OGATE::QAB1(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).