MESON Chess Problem Database

Problem Display
PID: 164016 (5R2/8/2N4p/4p1k1/6Pp/1nB1P3/3p4/nB1K2R1 w - - 0 1)

Ahlheim, Karl-Heinz

Die Schwalbe, 1965

5R2/8/2N4p/4p1k1/6Pp/1nB1P3/3p4/nB1K2R1

#2

8 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...e4
      • 2.Rg8#
  • Tries
    • 1.Sxe5?
      • threat
        • 2.Sf3#
        • 2.Sf7#
        • 2.Rf5#
      • 1...h3
        • 2.Sf3#
      • 1...h5
        • 2.Sf7#
      • 1...Sc2
        • 2.Rf5#
      • 1...Sd4!
  • Keys
    • 1.Bxe5!
      • threat
        • 2.Bf4#
        • 2.Bf6#
        • 2.Rg8#
      • 1...Sc2
        • 2.Rg8#
      • 1...h3
        • 2.Bf6#
      • 1...h5
        • 2.Bf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • P(e);::R(H)
  • Tries
    • Try
      • S(G);XP(e)
      • Threat
        • DUALS(3)
      • Vars
        • P(d);::S(G)
        • P(g);::S(G)
        • S(a);::R1(H)
      • Refutation
        • S(c);
  • Actual
    • B(D);XP(e)
    • Threat
      • DUALS(3)
    • Vars
      • S(a);::R(H)
      • P(d);::B(D)
      • P(g);::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).