MESON Chess Problem Database

Problem Display
PID: 199802 (1nR5/p7/3kPB2/P2P4/2p5/2NnP3/5p2/K2R4 w - - 0 1)

Muller, WC Jr

Haagsche Courant, 1909

1nR5/p7/3kPB2/P2P4/2p5/2NnP3/5p2/K2R4

#2

9 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Sc1
      • 2.Se4#
      • 2.Sb5#
    • 1...Se1
      • 2.Se4#
      • 2.Sb5#
    • 1...Sb2
      • 2.Se4#
      • 2.Sb5#
    • 1...Sb4
      • 2.Se4#
      • 2.Sb5#
    • 1...Sf4
      • 2.Se4#
      • 2.Sb5#
    • 1...Sc5
      • 2.Sb5#
    • 1...Se5
      • 2.Se4#
      • 2.Sb5#
    • 1...Sa6
      • 2.Rc6#
    • 1...Sc6
      • 2.Rxc6#
    • 1...Sd7
      • 2.Rc6#
  • Tries
    • 1.e4?
      • threat
        • 2.Sb5#
      • 1...Sc6
        • 2.Rxc6#
      • 1...a6!
  • Keys
    • 1.Rc5!
      • threat
        • 2.Se4#
      • 1...Kxc5
        • 2.Be7#
      • 1...Sxc5
        • 2.Sb5#
      • 1...Sc6
        • 2.Rxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • S(b);::S(C)
    • S(f);N_GUARD::R1(I)
    • S(f);N_GUARD::R1(I),XS(f)
  • Tries
    • Try
      • P(D);
      • Threat
        • S(C)
      • Vars
        • S(f);N_GUARD::R1(I),XS(f)
      • Refutation
        • P(e);
  • Actual
    • R(I);
    • Threat
      • S(C)
    • Vars
      • K(d);S_FLIGHT,XR(I)::B(H)
      • S(b);SBLOCK,XR(I)::S(C)
      • S(f);N_GUARD::R1(I),XS(f)
HTML5 logo

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).