MESON Chess Problem Database

Problem Display
PID: 23881 (8/4R3/2kp4/K1p2Q2/8/8/7b/8 w - - 0 1)

Lincoln, Robert A

Fun with Chess Miniatures, 1996

8/4R3/2kp4/K1p2Q2/8/8/7b/8

#2

3 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...c4
      • 2.Qb5#
    • 1...d5
      • 2.Qd7#
  • Keys
    • 1.Qb1!
      • threat
        • 2.Qb7#
      • 1...Kd5
        • 2.Qe4#
      • 1...c4
        • 2.Qb5#
      • 1...d5
        • 2.Qb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(b);OGATE::QAB1(B)
    • P(d);::QAB1(B)
  • Actual
    • Q(B);
    • Threat
      • QAB1(B)
    • Vars
      • K(c);S_FLIGHT::QAB1(B)
      • P(b);::QAB1(B)
      • P(d);SBLOCK::QAR1(B)
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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).