MESON Chess Problem Database

Problem Display
PID: 135415 (b3k3/1nppPp2/2Q3B1/p3P3/P7/B7/6K1/4R3 w - - 0 1)

Jordan, Gijsbertus

8th Comm., Olympic Ty., 1948

b3k3/1nppPp2/2Q3B1/p3P3/P7/B7/6K1/4R3

#2

8 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...fxg6
      • 2.Qxg6#
  • Keys
    • 1.e6!
      • threat
        • 2.Bxf7#
        • 2.Qxd7#
        • 2.exd7#
        • 2.exf7#
      • 1...dxc6
        • 2.Bxf7#
      • 1...fxg6
        • 2.Qxd7#
      • 1...Sc5
        • 2.exf7#
      • 1...Sd6
        • 2.exd7#
      • 1...Sd8
        • 2.exd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • P(e);OGATE,XB(G)::QAB(F),XP(e)
  • Actual
    • P(E);
    • Threat
      • DUALS(4)
    • Vars
      • P(d);N_SPINP(d),P_SPINP(e),XQ(F)::B(G),XP(e)
      • P(e);XB(G)::QAB1(F),XP(d)
      • S(b);P_PINQ(F)::P(E),XP(e)
      • S(b);P_PINQ(F)::P(E),XP(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).