MESON Chess Problem Database

Problem Display
PID: 15520 (8/8/5Qpq/7k/5P1N/7K/8/8 w - - 0 1)

Manolescu, Mircea Mihai

3rd HM., Buletin Problemistic Miniature Ty., 1985

8/8/5Qpq/7k/5P1N/7K/8/8

#2

4 + 3

5627 Probleme de Sah 1998

SOLUTION

  • SOUND
  • Sets
    • 1...Qxf4
      • 2.Qxg6#
    • 1...Qg5
      • 2.Qxg5#
    • 1...Qg7
      • 2.Qg5#
    • 1...Qf8
      • 2.Qg5#
      • 2.Qxg6#
    • 1...Qh7
      • 2.Qg5#
    • 1...Qh8
      • 2.Qg5#
      • 2.Qxh8#
      • 2.Qxg6#
  • Tries
    • 1.Qe5+?
      • 1...Qg5
        • 2.Qxg5#
      • 1...g5!
    • 1.Qf5+?
      • 1...Qg5
        • 2.Qxg5#
      • 1...g5
        • 2.Qg4#
      • 1...gxf5!
  • Keys
    • 1.Sxg6!
      • 1...Qxf4
        • 2.Sxf4#
      • 1...Qxg6
        • 2.Qh4#
      • 1...Qg5
        • 2.Qxg5#
      • 1...Qg7
        • 2.Qg5#
      • 1...Qf8
        • 2.Qg5#
      • 1...Qh7
        • 2.Qg5#
      • 1...Qh8
        • 2.Qg5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • Q(c);N_GUARD,XP(B)::QAB1(D),XP(b)
    • Q(c);N_GUARD::QAR1(D),XQ(c)
    • Q(c);N_GUARD::QAR1(D)
  • Tries
    • Try
      • Q(D);CHECK
      • Vars
        • Q(c);N_GUARD,P_SPINQ(c)::QAR1(D),XQ(c)
      • Refutation
        • P(b);P_SPINP(b)
    • Try
      • Q(D);CHECK
      • Vars
        • Q(c);N_GUARD,P_SPINQ(c)::QAR1(D),XQ(c)
        • P(b);P_SPINP(b)::QAB1(D)
      • Refutation
        • P(b);XQ(D)
  • Actual
    • S(C);XP(b)
    • Vars
      • Q(c);XP(B)::S(C),XQ(c)
      • Q(c);SBLOCK,XS(C)::QAR1(D)
      • Q(c);N_GUARD::QAR1(D),XQ(c)
      • Q(c);N_GUARD::QAR1(D)
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).