MESON Chess Problem Database

Problem Display
PID: 278304 (6B1/3K1p2/8/4kpP1/3npN2/8/1R3PQ1/2B5 w - - 0 1)

Dukic, Milenko

Stella Polaris, 1972

6B1/3K1p2/8/4kpP1/3npN2/8/1R3PQ1/2B5

#2

8 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...e3
      • 2.Sd3#
    • 1...f6
      • 2.Sg6#
  • Tries
    • 1.Sd3+?
      • 1...exd3
        • 2.f4#
      • 1...Kd5!
  • Keys
    • 1.Rd2!
      • 1...Kxf4
        • 2.Qg3#
      • 1...Sc2
        • 2.Rd5#
      • 1...Se2
        • 2.Rd5#
      • 1...Sb3
        • 2.Rd5#
      • 1...Sf3
        • 2.Rd5#
      • 1...Sb5
        • 2.Rd5#
      • 1...Sc6
        • 2.Rd5#
      • 1...Se6
        • 2.Rd5#
      • 1...e3
        • 2.Sd3#
      • 1...f6
        • 2.Sg6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • P(b);N_GUARD::S(E)
    • P(e);N_GUARD::S(E)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • P(b);XS(E)::P(C)
      • Refutation
        • K(c);P-FLIGHT,P_SPINP(b)
  • Actual
    • R(B);
    • Vars
      • K(c);OGATEB,S_FLIGHT,XS(E)::QAB1(D)
      • S(a);OGATE::R1(B)
      • P(b);N_GUARD::S(E)
      • P(e);N_GUARD::S(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).