MESON Chess Problem Database

Problem Display
PID: 134242 (8/8/8/4pK1p/4P3/3n1NNk/6pP/6Q1 w - - 0 1)

Kubbel, Leonid Ivanovich (AKA Kubbel, Karl Artur Leonid)

Riga Zeitung, 1907

8/8/8/4pK1p/4P3/3n1NNk/6pP/6Q1

#2

6 + 5

1829 The Theory of Pawn Promotion 1912

SOLUTION

  • SOUND
  • Sets
    • 1...h4
      • 2.Sg5#
  • Keys
    • 1.Sh1!
      • 1...gxh1Q
        • 2.Qg3#
      • 1...gxh1S
        • 2.Qf1#
      • 1...gxh1B
        • 2.Qg3#
      • 1...gxh1R
        • 2.Qg3#
      • 1...Sc1
        • 2.Sf2#
      • 1...Se1
        • 2.Sf2#
      • 1...Sb2
        • 2.Sf2#
      • 1...Sf2
        • 2.Sxf2#
      • 1...Sb4
        • 2.Sf2#
      • 1...Sf4
        • 2.Sf2#
      • 1...Sc5
        • 2.Sf2#
      • 1...h4
        • 2.Sg5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
    • P(e);SBLOCK::S(C)
  • Actual
    • S(D);
    • Vars
      • P(a);OGATE,XS(D)::QAR1(A)
      • P(a);OGATEB,XS(D)::QAB(A)
      • S(b);N_GUARD::S(D)
      • S(b);N_GUARD::S(D),XS(b)
      • P(e);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).