MESON Chess Problem Database

Problem Display
PID: 97955 (B1R5/8/4p2r/1KN1n3/p1PkpPQ1/2Rpn3/8/3N4 w - - 0 1)

Hermanson, Halvar

Problemas, 1969

B1R5/8/4p2r/1KN1n3/p1PkpPQ1/2Rpn3/8/3N4

#2

9 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rh1
      • 2.Sxe6#
    • 1...Rh2
      • 2.Sxe6#
    • 1...Rh3
      • 2.Sxe6#
    • 1...Rh4
      • 2.Sxe6#
    • 1...Rh5
      • 2.Sxe6#
    • 1...Rh7
      • 2.Sxe6#
    • 1...Rh8
      • 2.Sxe6#
    • 1...Sg6
      • 2.Sxe6#
    • 1...a3
      • 2.Sb3#
  • Keys
    • 1.Qg1!
      • threat
        • 2.Qxe3#
      • 1...Sxc4
        • 2.Rxc4#
      • 1...Rh3
        • 2.Sxe6#
      • 1...Sg4
        • 2.Rd8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 8
  • Sets
    • R(h);N_GUARD::S(G),XP(g)
    • S(f);S_CUTR(h)::S(G),XP(g)
    • P(c);N_GUARD::S(G)
  • Actual
    • Q(E);P_PINS(b)
    • Threat
      • QAB1(E),XS(b)
    • Vars
      • S(f);OGATE,XP(C)::R1(B),XS(f)
      • R(h);N_GUARD::S(G),XP(g)
      • S(f);N_GUARD::R(I)
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).