MESON Chess Problem Database

Problem Display
PID: 164041 (QR4b1/p5n1/8/2P5/2kP4/P6R/K3Np2/4bN2 w - - 0 1)

Rimkus, Mecislovas

Sachmatija, 2006

QR4b1/p5n1/8/2P5/2kP4/P6R/K3Np2/4bN2

#2

9 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Bd2
      • 2.Sxd2#
    • 1...Bc3
      • 2.Rxc3#
    • 1...Bb4
      • 2.Rxb4#
  • Tries
    • 1.Rhb3?
      • threat
        • 2.Se3#
      • 1...Bc3
        • 2.Rxc3#
      • 1...Bd2
        • 2.Sxd2#
      • 1...Sf5!
    • 1.Qe4?
      • threat
        • 2.Se3#
      • 1...Bd2
        • 2.Sxd2#
      • 1...Sf5!
  • Keys
    • 1.Rbb3!
      • threat
        • 2.Se3#
      • 1...Bb4
        • 2.Rxb4#
      • 1...Bd2
        • 2.Sxd2#
      • 1...Bc3
        • 2.Rhxc3#
      • 1...Sf5
        • 2.Qxg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(a);N_GUARD::S(A),XB(a)
    • B(a);N_GUARD::R1(E),XB(a)
    • B(a);N_GUARD::R1(I),XB(a)
  • Tries
    • Try
      • R(E);
      • Threat
        • S(A)
      • Vars
        • B(a);N_GUARD::R1(E),XB(a)
        • B(a);N_GUARD::S(A),XB(a)
      • Refutation
        • S(e);
    • Try
      • Q(H);
      • Threat
        • S(A)
      • Vars
        • B(a);N_GUARD::S(A),XB(a)
      • Refutation
        • S(e);
  • Actual
    • R(I);
    • Threat
      • S(A)
    • Vars
      • B(a);N_GUARD::R1(I),XB(a)
      • B(a);N_GUARD::S(A),XB(a)
      • B(a);N_GUARD::R1(E),XB(a)
      • S(e);N_GUARD::QAB(H),XB(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).