MESON Chess Problem Database

Problem Display
PID: 214802 (5r2/1p1p3n/N2bp2Q/1Ppk4/2n1N3/1P3p2/2B2P2/B6K w - - 0 1)

Bohm, Frank

St. Louis Globe Democrat, 1877

5r2/1p1p3n/N2bp2Q/1Ppk4/2n1N3/1P3p2/2B2P2/B6K

#2

9 + 10

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bc7
      • 2.Sxc7#
    • 1...Be7
      • 2.Sc7#
    • 1...Sd2
      • 2.Qxd2#
    • 1...Sa3
      • 2.Qd2#
    • 1...Sa5
      • 2.Qd2#
    • 1...Sb6
      • 2.Qd2#
  • Keys
    • 1.Qxf8!
      • 1...Bxf8
        • 2.Sc7#
      • 1...Sxf8
        • 2.Sf6#
      • 1...bxa6
        • 2.Qa8#
      • 1...Sb2
        • 2.Qxd6#
      • 1...e5
        • 2.Qf7#
        • 2.Qg8#
      • 1...Bh2
        • 2.Qxc5#
      • 1...Bg3
        • 2.Qxc5#
      • 1...Bf4
        • 2.Qxc5#
      • 1...Be5
        • 2.Qxc5#
      • 1...Bc7
        • 2.Sxc7#
        • 2.Qxc5#
      • 1...Be7
        • 2.Sc7#
      • 1...Bb8
        • 2.Qxc5#
      • 1...Sd2
        • 2.Qxd6#
      • 1...Sa3
        • 2.Qxd6#
      • 1...Se3
        • 2.Qxd6#
      • 1...Sa5
        • 2.Qxd6#
      • 1...Se5
        • 2.Qxd6#
      • 1...Sb6
        • 2.Qxd6#
      • 1...Sg5
        • 2.Sf6#
      • 1...Sf6
        • 2.Sxf6#
      • 1...b6
        • 2.Qa8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 4
    • ADDED MATES = 14
    • REMOVED MATES = 1
  • Sets
    • B(e);N_GUARD::S(H),XB(e)
    • B(e);N_GUARD::S(H)
    • S(b);N_GUARD::QAR(I),XS(b)
    • S(b);N_GUARD::QAR(I)
  • Actual
    • Q(I);XR(j)
    • Vars
      • B(e);N_GUARD,XQ(I)::S(H)
      • S(i);N_GUARD,XQ(I)::S(F)
      • P(g);OGATEB,XS(H)::QAB(I)
      • S(b);N_GUARD::QAR1(I),XB(e)
      • B(e);OGATE::QAR1(I),XP(c)
      • B(e);N_GUARD::S(H)
      • S(i);N_GUARD::S(F)
      • S(i);N_GUARD::S(F),XS(i)
      • P(g);OGATEB::QAB(I)
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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).