MESON Chess Problem Database

Problem Display
PID: 150569 (1R6/1b2r1p1/8/8/B7/3NP3/P5R1/rk5K w - - 0 1)

Ahlheim, Karl-Heinz

Source?, 1998

1R6/1b2r1p1/8/8/B7/3NP3/P5R1/rk5K

#2

7 + 5

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe3
      • 2.Rxb7#
    • 1...Re4
      • 2.Rb2#
    • 1...Re8
      • 2.Rxb7#
  • Keys
    • 1.e4!
      • threat
        • 2.Rb2#
      • 1...Rxa2
        • 2.Rg1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • R(d);N_GUARD,XP(E)::R(G),XB(c)
    • R(d);N_PINR(C)::R1(C)
    • R(d);N_GUARD::R(G),XB(c)
  • Actual
    • P(E);N_SPINR(C)
    • Threat
      • R1(C)
    • Vars
      • R(a);SBLOCK,XP(B)::R(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).