MESON Chess Problem Database

Problem Display
PID: 141349 (5N2/1r1b3Q/1p2R3/3kP3/1K1p2P1/3p4/1n3P2/4rn2 w - - 0 1)

Dobbs, Gilbert S

Times Democrat, 1909

5N2/1r1b3Q/1p2R3/3kP3/1K1p2P1/3p4/1n3P2/4rn2

#2

7 + 9

14868 Pirnie Collection 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Qh1#
    • 1...Rb1
      • 2.Qh1#
    • 1...Rc1
      • 2.Qh1#
    • 1...Rd1
      • 2.Qh1#
  • Keys
    • 1.Sg6!
      • threat
        • 2.Sf4#
      • 1...Ke4
        • 2.Qh1#
      • 1...Kxe6
        • 2.Qg8#
      • 1...Bxe6
        • 2.Qxb7#
      • 1...Re4
        • 2.Rd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 4
  • Sets
    • R(a);N_GUARD::QAB(F)
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • K(f);S_FLIGHT::QAB(F)
      • K(f);OGATEB,S_FLIGHT,XR(E)::QAB(F)
      • B(i);OGATE,SBLOCK,XR(E)::QAB(F),XR(h)
      • R(a);SBLOCK::R1(E)
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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).