MESON Chess Problem Database

Problem Display
PID: 146318 (2B5/3RP3/2k1n3/K6R/8/8/8/8 w - - 0 1)

Stojnic, Dragan

Politika, 2011

(First published on Mon Nov 7 2011)

2B5/3RP3/2k1n3/K6R/8/8/8/8

#2

5 + 2

56 The Problemist 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Sd8
      • 2.exd8S#
  • Tries
    • 1.Rh3?
      • 1...Kc5
        • 2.Rc3#
      • 1...Sd4
        • 2.Rc3#
      • 1...Sf4
        • 2.Rc3#
      • 1...Sg5
        • 2.Rc3#
      • 1...Sc7
        • 2.Rc3#
      • 1...Sg7
        • 2.Rc3#
      • 1...Sd8
        • 2.Rc3#
      • 1...Sf8
        • 2.Rc3#
      • 1...Sc5!
  • Keys
    • 1.Rhd5!
      • threat
        • 2.Bb7#
      • 1...Sc5
        • 2.R5d6#
      • 1...Sc7
        • 2.R7d6#
      • 1...Sd8
        • 2.exd8S#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(b);OGATE::PXS(b)=S
  • Tries
    • Try
      • R(B);
      • Vars
        • K(a);P-FLIGHT::R(B)
        • S(b);N_GUARD::R(B)
      • Refutation
        • S(b);
  • Actual
    • R(B);
    • Threat
      • B(E)
    • Vars
      • S(b);SBLOCK::R1(B)
      • S(b);SBLOCK::R1(C)
      • S(b);OGATE::PXS(b)=S
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).