MESON Chess Problem Database

Problem Display
PID: 222735 (7B/4R3/3p2n1/pK1k1p2/B1p5/3NP3/8/8 w - - 0 1)

Klark, Dmitry Vasilevich

L'Echiquier d'Aix, 1883

7B/4R3/3p2n1/pK1k1p2/B1p5/3NP3/8/8

#2

6 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sf4
      • 2.Sxf4#
    • 1...Sh4
      • 2.Sf4#
    • 1...Sf8
      • 2.Sf4#
    • 1...Sxh8
      • 2.Sf4#
    • 1...cxd3
      • 2.Bb3#
    • 1...c3
      • 2.Bb3#
    • 1...f4
      • 2.e4#
  • Keys
    • 1.Bc2!
      • 1...Sxe7
        • 2.Sf4#
      • 1...Sxh8
        • 2.Sf4#
      • 1...cxd3
        • 2.Bb3#
      • 1...Se5
        • 2.Sf4#
      • 1...Sf4
        • 2.Sxf4#
      • 1...Sh4
        • 2.Sf4#
      • 1...Sf8
        • 2.Sf4#
      • 1...c3
        • 2.Bb3#
      • 1...a4
        • 2.Sb4#
      • 1...f4
        • 2.e4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(f);N_GUARD::S(A),XS(f)
    • S(f);N_GUARD::S(A)
    • S(f);N_GUARD,XB(F)::S(A)
    • P(a);OGATEB,XS(A)::B(C)
    • P(a);OGATEB::B(C)
    • P(d);N_GUARD::P(B)
  • Actual
    • B(C);
    • Vars
      • S(f);N_GUARD,XR(E)::S(A)
      • S(f);N_GUARD,XB(F)::S(A)
      • P(a);OGATEB,XS(A)::B(C)
      • S(f);N_GUARD::S(A)
      • S(f);N_GUARD::S(A),XS(f)
      • P(a);OGATEB::B(C)
      • P(b);N_GUARD::S(A)
      • P(d);N_GUARD::P(B)
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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).