MESON Chess Problem Database

Problem Display
PID: 11860 (8/5k1P/8/6K1/4Q3/8/8/8 w - - 0 1)

Lokker, Miklosh S

Skakbladet, 1972

8/5k1P/8/6K1/4Q3/8/8/8

#2

3 + 1

3296 Shakhmatny zadachi miniaturi 1987

SOLUTION

  • SOUND
  • Tries
    • 1.Qb7+?
      • 1...Ke8
        • 2.h8Q#
        • 2.h8R#
      • 1...Kf8
        • 2.h8Q#
        • 2.h8R#
      • 1...Ke6!
    • 1.Qe6+?
      • 1...Kg7
        • 2.Qg8#
      • 1...Kf8
        • 2.h8Q#
      • 1...Kxe6!
    • 1.Qe8+?
      • 1...Kg7
        • 2.Qg8#
        • 2.h8Q#
      • 1...Kxe8!
  • Keys
    • 1.h8R!
      • 1...Kg7
        • 2.Qh7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::P=Q
        • K(a);P-FLIGHT::P=Q
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);OGATE,P-FLIGHT::QAR1(A)
        • K(a);P-FLIGHT::P=Q
      • Refutation
        • K(a);S_FLIGHT,XQ(A)
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);S_FLIGHT,XQ(A)
  • Actual
    • P(C);
    • Vars
      • K(a);P-FLIGHT::QAR1(A)
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).