MESON Chess Problem Database

Problem Display
PID: 22912 (5Q2/4N3/4P1P1/4pBp1/5k2/2np4/3P2K1/8 w - - 0 1)

Eriksson, Finn Olof

Mora Tidning, 1935

5Q2/4N3/4P1P1/4pBp1/5k2/2np4/3P2K1/8

#2

7 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Sb1
      • 2.Sd5#
    • 1...Sd1
      • 2.Sd5#
    • 1...Sa2
      • 2.Sd5#
    • 1...Se2
      • 2.Sd5#
    • 1...Sa4
      • 2.Sd5#
    • 1...Se4
      • 2.Sd5#
    • 1...Sb5
      • 2.Sd5#
    • 1...Sd5
      • 2.Sxd5#
    • 1...e4
      • 2.Qb8#
    • 1...g4
      • 2.Qh6#
  • Keys
    • 1.Qf6!
      • 1...Sb1
        • 2.Sd5#
      • 1...Sd1
        • 2.Sd5#
      • 1...Sa2
        • 2.Sd5#
      • 1...Se2
        • 2.Sd5#
      • 1...Sa4
        • 2.Sd5#
      • 1...Se4
        • 2.Sd5#
      • 1...Sb5
        • 2.Sd5#
      • 1...Sd5
        • 2.Sxd5#
      • 1...e4
        • 2.Bh3#
      • 1...g4
        • 2.Bxd3#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::S(F)
    • S(a);N_GUARD::S(F),XS(a)
    • P(d);OGATEB::QAB(G)
    • P(e);OGATEB::QAB(G)
  • Actual
    • Q(G);
    • Vars
      • S(a);N_GUARD::S(F)
      • S(a);N_GUARD::S(F),XS(a)
      • P(d);SBLOCK::QAR(G)+B(C)
      • P(e);SBLOCK::QAR(G)+B(C),XP(b)
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).