MESON Chess Problem Database

Problem Display
PID: 24059 (8/8/4K3/5N2/1nn1k3/1Q4P1/8/8 w - - 0 1)

Kovacevic, Marjan

2nd Place, Prvenstvo na SFRF, 1972

8/8/4K3/5N2/1nn1k3/1Q4P1/8/8

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Sd3
      • 2.Qb7#
    • 1...Sb2
      • 2.Qe3#
    • 1...Sd2
      • 2.Qe3#
    • 1...Sa3
      • 2.Qe3#
    • 1...Se3
      • 2.Qxe3#
    • 1...Sa5
      • 2.Qe3#
    • 1...Se5
      • 2.Qe3#
    • 1...Sb6
      • 2.Qe3#
    • 1...Sd6
      • 2.Qe3#
  • Keys
    • 1.Qd1!
      • 1...Sd2
        • 2.Qe2#
      • 1...Sa2
        • 2.Qd5#
      • 1...Sc2
        • 2.Qd5#
      • 1...Sd3
        • 2.Qh1#
      • 1...Sd5
        • 2.Qxd5#
      • 1...Sa6
        • 2.Qd5#
      • 1...Sc6
        • 2.Qd5#
      • 1...Sb2
        • 2.Qe2#
      • 1...Sa3
        • 2.Qe2#
      • 1...Se3
        • 2.Sd6#
      • 1...Sa5
        • 2.Qe2#
      • 1...Se5
        • 2.Qe2#
      • 1...Sb6
        • 2.Qe2#
      • 1...Sd6
        • 2.Qe2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 9
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(a);OGATE,SBLOCK::QAB(A)
    • S(b);N_GUARD::QAR1(A)
    • S(b);N_GUARD::QAR1(A),XS(b)
  • Actual
    • Q(A);
    • Vars
      • S(b);N_GUARD::QAR2(A)
      • S(a);N_GUARD::QAB1(A)
      • S(a);SBLOCK::QAB(A)
      • S(a);N_GUARD::QAB1(A),XS(a)
      • S(b);N_GUARD,SBLOCK::S(C)
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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).