MESON Chess Problem Database

Problem Display
PID: 47737 (8/7K/5p2/5n1k/5Q2/4n3/7N/8 w - - 0 1)

Beck, Gyula

Western Morning News, 1924

8/7K/5p2/5n1k/5Q2/4n3/7N/8

#2

3 + 4

4883 Still More Fun with Chess Miniatures 2002
3713 Snap 2003

SOLUTION

  • SOUND
  • Sets
    • 1...Sd1
      • 2.Qg4#
    • 1...Sf1
      • 2.Qg4#
    • 1...Sc2
      • 2.Qg4#
    • 1...Sg2
      • 2.Qg4#
    • 1...Sc4
      • 2.Qg4#
    • 1...Sg4
      • 2.Qxg4#
    • 1...Sd5
      • 2.Qg4#
    • 1...Sg3
      • 2.Qh6#
    • 1...Sd4
      • 2.Qh6#
    • 1...Sh4
      • 2.Qh6#
    • 1...Sd6
      • 2.Qh6#
    • 1...Sh6
      • 2.Qxh6#
    • 1...Se7
      • 2.Qh6#
    • 1...Sg7
      • 2.Qh6#
  • Keys
    • 1.Sf3!
      • 1...Sd1
        • 2.Qxf5#
      • 1...Sf1
        • 2.Qxf5#
      • 1...Sc2
        • 2.Qxf5#
      • 1...Sg2
        • 2.Qxf5#
      • 1...Sc4
        • 2.Qxf5#
      • 1...Sg4
        • 2.Qxf5#
      • 1...Sd5
        • 2.Qxf5#
      • 1...Sg3
        • 2.Qh4#
      • 1...Sd4
        • 2.Qh4#
      • 1...Sh4
        • 2.Qxh4#
      • 1...Sd6
        • 2.Qh4#
      • 1...Sh6
        • 2.Qh4#
      • 1...Se7
        • 2.Qh4#
      • 1...Sg7
        • 2.Qh4#

Anticipated by 23538(1923)

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 14
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::QAB1(B)
    • S(a);N_GUARD::QAB1(B),XS(a)
    • S(b);N_GUARD::QAR1(B)
    • S(b);N_GUARD,SBLOCK::QAR1(B)
    • S(b);N_GUARD::QAR1(B),XS(b)
  • Actual
    • S(A);
    • Vars
      • S(a);N_GUARD::QAR2(B),XS(b)
      • S(b);N_GUARD::QAR1(B)
      • S(b);N_GUARD::QAR1(B),XS(b)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).