MESON Chess Problem Database

Problem Display
PID: 141469 (6bK/npr1P3/8/3kN2n/P3p1Q1/2pN4/4B3/6B1 w - - 0 1)

Fellows, Arthur G

Source?, 0000

6bK/npr1P3/8/3kN2n/P3p1Q1/2pN4/4B3/6B1

#2

8 + 8

14868 Pirnie Collection 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Rc4
      • 2.Qd7#
    • 1...Rc5
      • 2.Qd7#
    • 1...Rd7
      • 2.Qxd7#
    • 1...Rc8
      • 2.Qd7#
  • Keys
    • 1.Sc4!
      • threat
        • 2.Sb4#
      • 1...Kxc4
        • 2.Qxg8#
      • 1...Kc6
        • 2.Sb4#
      • 1...Rxc4
        • 2.Qd7#
      • 1...exd3
        • 2.Bf3#
      • 1...Sc6
        • 2.Qxg8#
      • 1...e3
        • 2.Bf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 3
  • Sets
    • R(g);N_GUARD::QAR2(E)
    • R(g);N_GUARD::QAR2(E),XR(g)
  • Actual
    • S(F);
    • Threat
      • S(C)
    • Vars
      • K(c);P_SPINP(b),S_FLIGHT,XS(F)::QAB(E),XB(h)
      • K(c);S_FLIGHT::S(C)
      • R(g);N_GUARD,SBLOCK,XS(F)::QAR2(E)
      • P(b);OGATEB,XS(C)::B(B)
      • S(e);SBLOCK::QAB(E),XB(h)
      • P(b);OGATEB::B(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).