MESON Chess Problem Database

Problem Display
PID: 10818 (8/8/8/8/3p3q/1K1kNB2/8/5N2 w - - 0 1)

Lokker, Miklosh S

The Problemist, 1968

8/8/8/8/3p3q/1K1kNB2/8/5N2

#2

4 + 3

3295 Einfuhrung in die Welt des Schachproblem 1984
3296 Shakhmatny zadachi miniaturi 1987
3813 300 Sachmatu Uzdaviniu 1991
4883 Still More Fun with Chess Miniatures 2002

SOLUTION

  • SOUND
  • Tries
    • 1.Sd1?
      • threat
        • 2.Sb2#
      • 1...Qf2
        • 2.Sxf2#
      • 1...Qh2!
    • 1.Sc2?
      • threat
        • 2.Sb4#
      • 1...Qe1
        • 2.Sxe1#
      • 1...Qe7!
    • 1.Sc4?
      • threat
        • 2.Sb2#
        • 2.Se5#
      • 1...Qe1
        • 2.Sb2#
      • 1...Qf2
        • 2.Se5#
      • 1...Qg3
        • 2.Sb2#
      • 1...Qg5
        • 2.Sb2#
      • 1...Qf6
        • 2.Sb2#
      • 1...Qe7
        • 2.Sb2#
      • 1...Qe4
        • 2.Sb2#
      • 1...Qf4
        • 2.Sb2#
      • 1...Qh5
        • 2.Sb2#
      • 1...Qh8
        • 2.Sb2#
      • 1...Qh2!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Sb4#
      • 1...Qe1
        • 2.Sf4#
      • 1...Qe7
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • S(C)
      • Vars
        • Q(c);N_GUARD::S(C),XQ(c)
      • Refutation
        • Q(c);
    • Try
      • S(C);
      • Threat
        • S(C)
      • Vars
        • Q(c);N_GUARD::S(C),XQ(c)
      • Refutation
        • Q(c);
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • Q(c);::S(C)
      • Refutation
        • Q(c);
  • Actual
    • S(C);
    • Threat
      • S(C)
    • Vars
      • Q(c);N_GUARD::S(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).