MESON Chess Problem Database

Problem Display
PID: 17403 (1R6/4B3/R7/n7/8/2K5/P7/k7 w - - 0 1)

Karlstrom, Alfred Olaf

Sp. Prize, Nynorsk Vekeblad TT, 1946

1R6/4B3/R7/n7/8/2K5/P7/k7

#2

5 + 2

4884 154 norske miniatyrproblemer 1974
56 The Problemist 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Kxa2
      • 2.Rxa5#
  • Keys
    • 1.Kc2!
      • 1...Kxa2
        • 2.Rxa5#
      • 1...Sb3
        • 2.axb3#
      • 1...Sc4
        • 2.Rb1#
      • 1...Sc6
        • 2.Rb1#
      • 1...Sb7
        • 2.Bf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(a);OGATEB,P-FLIGHT,P_SPINS(b),XP(A)::R(C),XS(b)
  • Actual
    • K(B);P-FLIGHT
    • Vars
      • K(a);OGATEB,P-FLIGHT,P_SPINS(b),XP(A)::R(C),XS(b)
      • S(b);OGATE::R(C)+P(A),XS(b)
      • S(b);::R1(E)
      • S(b);::B(D)
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).