MESON Chess Problem Database

Problem Display
PID: 60379 (8/p7/K6B/P2N4/2k1B3/1N6/P3n2R/8 w - - 0 1)

Backe, Odd Erik

Tidskrift for Schack, 1995

8/p7/K6B/P2N4/2k1B3/1N6/P3n2R/8

#2

8 + 3

3310 2345 Chess Problems 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Sc1
      • 2.Rc2#
    • 1...Sg1
      • 2.Rc2#
    • 1...Sg3
      • 2.Rc2#
    • 1...Sf4
      • 2.Rc2#
  • Tries
    • 1.Rh3?
      • 1...Sc1
        • 2.Rc3#
      • 1...Sg1
        • 2.Rc3#
      • 1...Sc3
        • 2.Rxc3#
      • 1...Sd4
        • 2.Rc3#
      • 1...Sf4
        • 2.Rc3#
      • 1...Sg3!
  • Keys
    • 1.Bf8!
      • 1...Sc1
        • 2.Rc2#
      • 1...Sg1
        • 2.Rc2#
      • 1...Sc3
        • 2.Se3#
      • 1...Sg3
        • 2.Rc2#
      • 1...Sd4
        • 2.Sd2#
      • 1...Sf4
        • 2.Rc2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(a);OGATE::R(B)
  • Tries
    • Try
      • R(B);
      • Vars
        • S(a);N_GUARD::R1(B)
        • S(a);N_GUARD::R1(B),XS(a)
      • Refutation
        • S(a);
  • Actual
    • B(H);
    • Vars
      • S(a);OGATE::R(B)
      • S(a);SBLOCK::S(F)
      • S(a);SBLOCK::S(C)
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).