MESON Chess Problem Database

Problem Display
PID: 48079 (K1k5/1Np2n1b/8/8/8/8/3Q4/8 w - - 0 1)

Lincoln, Robert A

Still More Fun with Chess Miniatures, 2002

K1k5/1Np2n1b/8/8/8/8/3Q4/8

#2

3 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Se5
      • 2.Qd8#
    • 1...Sg5
      • 2.Qd8#
    • 1...Sh6
      • 2.Qd8#
    • 1...Sd8
      • 2.Qxd8#
    • 1...Sh8
      • 2.Qd8#
  • Keys
    • 1.Qd5!
      • threat
        • 2.Qe6#
      • 1...c5
        • 2.Qc6#
      • 1...c6
        • 2.Qxc6#
      • 1...Bf5
        • 2.Qxf5#
      • 1...Se5
        • 2.Qd8#
      • 1...Sg5
        • 2.Qd8#
      • 1...Sd8
        • 2.Qxd8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • S(b);N_GUARD::QAR1(A)
    • S(b);N_GUARD::QAR1(A),XS(b)
  • Actual
    • Q(A);
    • Threat
      • QAB(A)
    • Vars
      • P(a);OGATEB::QAR2(A)
      • P(a);OGATEB::QAR2(A),XP(a)
      • B(c);N_GUARD::QAB(A),XB(c)
      • S(b);N_GUARD::QAR1(A)
      • S(b);N_GUARD::QAR1(A),XS(b)
HTML5 logo

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).