MESON Chess Problem Database

Problem Display
PID: 96524 (3N4/2ppp3/3k4/8/3K4/8/8/3Q4 w - - 0 1)

Lokker, Miklosh S

Problemas, 1970

3N4/2ppp3/3k4/8/3K4/8/8/3Q4

#2

3 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Qh5!
      • threat
        • 2.Qc5#
        • 2.Qd5#
        • 2.Qe5#
      • 1...c5+
        • 2.Qxc5#
      • 1...e5+
        • 2.Qxe5#
      • 1...c6
        • 2.Qe5#
      • 1...e6
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(A);
    • Threat
      • DUALS(3)
    • Vars
      • P(b);CHECK::QAB1(A),XP(b)
      • P(d);CHECK::QAB1(A),XP(d)
      • P(b);::QAB1(A)
      • P(d);::QAB1(A)
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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).