MESON Chess Problem Database

Problem Display
PID: 141704 (K7/8/8/4p3/3p1p2/7p/R3P1kB/Q4N1b w - - 0 1)

Smits, A

Probleemblad, 1977

K7/8/8/4p3/3p1p2/7p/R3P1kB/Q4N1b

#2

6 + 6

SOLUTION

  • SOUND
  • Keys
    • 1.Qd1!
      • threat
        • 2.e3#
        • 2.e4#
      • 1...Kf2+
        • 2.e4#
      • 1...d3
        • 2.exd3#
      • 1...f3
        • 2.exf3#
      • 1...e4
        • 2.e3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(A);
    • Threat
      • DUALS(2)
    • Vars
      • K(b);CHECK,P-FLIGHT::R(C)+P(D)
      • P(d);OGATE::R(C)+P(D),XP(d)
      • P(e);OGATE::R(C)+P(D),XP(e)
      • P(f);::R(C)+P(D)
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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).