MESON Chess Problem Database

Problem Display
PID: 141808 (8/4p1nb/7b/5pR1/p2N1Nrk/P1Q5/1PKB4/8 w - - 0 1)

L'Hermet, Johann Georg Rudolf

Source?, 1900

8/4p1nb/7b/5pR1/p2N1Nrk/P1Q5/1PKB4/8

#2

8 + 8

14868 Pirnie Collection 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Kxg5
      • 2.Sf3#
    • 1...Rg1
      • 2.Sf3#
    • 1...Rg2
      • 2.Sf3#
      • 2.Sxg2#
    • 1...Rg3
      • 2.Qxg3#
    • 1...Rxf4
      • 2.Qg3#
    • 1...Rxg5
      • 2.Qh3#
    • 1...Bxg5
      • 2.Qh3#
    • 1...Bg6
      • 2.Sxg6#
    • 1...Bg8
      • 2.Sg6#
    • 1...Sh5
      • 2.Rxh5#
    • 1...Se6
      • 2.Rh5#
    • 1...Se8
      • 2.Rh5#
  • Tries
    • 1.Be1+?
      • 1...Rg3
        • 2.Sf3#
        • 2.Qxg3#
      • 1...Kxg5!
  • Keys
    • 1.Sde6!
      • threat
        • 2.Qh3#
      • 1...Rxf4
        • 2.Qg3#
      • 1...Sxe6
        • 2.Rh5#
      • 1...Rg3
        • 2.Qxg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 8
  • Sets
    • K(c);S_FLIGHT,XR(H)::S(F)
    • R(b);::S(F)
    • R(b);N_GUARD::QAB1(E),XR(b)
    • R(b);N_GUARD,XS(G)::QAB1(E)
    • R(b);SBLOCK,XR(H)::QAR1(E)
    • B(e);SBLOCK,XR(H)::QAR1(E)
    • B(h);N_GUARD::S(G),XB(h)
    • B(h);N_GUARD::S(G)
    • S(g);N_GUARD::R1(H),XS(g)
    • S(g);N_GUARD::R1(H)
  • Tries
    • Try
      • B(C);CHECK
      • Refutation
        • K(c);S_FLIGHT,XR(H)
  • Actual
    • S(F);
    • Threat
      • QAR1(E)
    • Vars
      • R(b);N_GUARD,XS(G)::QAB1(E)
      • S(g);N_GUARD,XS(F)::R1(H)
      • R(b);N_GUARD::QAB1(E),XR(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).