MESON Chess Problem Database

Problem Display
PID: 259101 (8/K1Q2N2/5p1p/5p2/2Bk2n1/5P1b/1P1p1nPp/8 w - - 0 1)

Jespersen, Karl Lorenz Jesper

Deutsche Schachzeitung, 1910

8/K1Q2N2/5p1p/5p2/2Bk2n1/5P1b/1P1p1nPp/8

#2

7 + 9

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Keys
    • 1.Sd6!
      • threat
        • 2.Sxf5#
      • 1...Ke3
        • 2.Sxf5#
      • 1...Ke5
        • 2.Sb5#
      • 1...Se3
        • 2.Sb5#
      • 1...Se5
        • 2.Qb6#
      • 1...f4
        • 2.Sf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(G);
    • Threat
      • S(G),XP(g)
    • Vars
      • K(e);S_FLIGHT::S(G),XP(g)
      • K(e);N_GUARD,S_FLIGHT::QAB(F)+S(G)
      • S(f);SBLOCK::S(G)
      • S(f);SBLOCK::QAB(F)
      • P(g);::S(G)
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).