MESON Chess Problem Database

Problem Display
PID: 19136 (3B4/3K4/3p2p1/1n1ppk2/2Np2p1/3PP3/2Q5/7n w - - 0 1)

Harley, Brian

Mate in Two Moves, 1931

3B4/3K4/3p2p1/1n1ppk2/2Np2p1/3PP3/2Q5/7n

#2

6 + 9

15290 Harley Scrapbook 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Sf2
      • 2.Qxf2#
    • 1...Sg3
      • 2.Qf2#
    • 1...Sa3
      • 2.Sxd6#
    • 1...Sc3
      • 2.Sxd6#
    • 1...Sa7
      • 2.Sxd6#
    • 1...Sc7
      • 2.Sxd6#
  • Keys
    • 1.Qh2!
      • 1...dxe3
        • 2.Sxe3#
      • 1...dxc4
        • 2.e4#
      • 1...g3
        • 2.Qh3#
      • 1...g5
        • 2.Qh7#
      • 1...Sf2
        • 2.Qxf2#
      • 1...Sg3
        • 2.Qf2#
      • 1...Sa3
        • 2.Sxd6#
      • 1...Sc3
        • 2.Sxd6#
      • 1...Sa7
        • 2.Sxd6#
      • 1...Sc7
        • 2.Sxd6#
      • 1...e4
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::QAR(A),XS(a)
    • S(a);N_GUARD::QAR(A)
    • S(d);N_GUARD::S(D),XP(h)
  • Actual
    • Q(A);
    • Vars
      • P(b);XP(C)::S(D),XP(b)
      • P(e);N_GUARD,XS(D)::P(C)
      • P(c);OGATEB::QAB(A)
      • P(i);OGATEB::QAB(A)
      • S(a);N_GUARD::QAR(A),XS(a)
      • S(a);N_GUARD::QAR(A)
      • S(d);N_GUARD::S(D),XP(h)
      • P(f);N_GUARD::QAR1(A)
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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).