MESON Chess Problem Database

Problem Display
PID: 50909 (1N1Nb3/p4p2/P1pn1Pp1/P1kpPnR1/2P5/4P3/BR6/K5B1 w - - 0 1)

Tillett, Percy B

Chess Amateur (The), 1908

1N1Nb3/p4p2/P1pn1Pp1/P1kpPnR1/2P5/4P3/BR6/K5B1

#2

13 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Bd7
      • 2.Sxd7#
    • 1...Sd4
      • 2.exd4#
    • 1...Sxc4
      • 2.Sb7#
    • 1...Se4
      • 2.Sb7#
    • 1...Sb5
      • 2.Sb7#
    • 1...Sb7
      • 2.Sxb7#
    • 1...Sc8
      • 2.Sb7#
  • Keys
    • 1.e6!
      • 1...Sxe3
        • 2.Bxe3#
      • 1...Sxc4
        • 2.Sb7#
      • 1...dxc4
        • 2.e4#
      • 1...fxe6
        • 2.Sxe6#
      • 1...Se4
        • 2.Sb7#
      • 1...Sb5
        • 2.Sb7#
      • 1...Sb7
        • 2.Sxb7#
      • 1...Sc8
        • 2.Sb7#
      • 1...Bd7
        • 2.Sxd7#
      • 1...Sg3
        • 2.e4#
      • 1...Sd4
        • 2.exd4#
      • 1...Sh4
        • 2.e4#
      • 1...Sh6
        • 2.e4#
      • 1...Se7
        • 2.e4#
      • 1...Sg7
        • 2.e4#
      • 1...d4
        • 2.exd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • B(i);N_GUARD::S(L),XB(i)
    • S(c);OGATE::P(E),XS(c)
    • S(e);N_GUARD,XP(F)::S(M)
    • S(e);N_GUARD::S(M)
    • S(e);N_GUARD::S(M),XS(e)
  • Actual
    • P(H);
    • Vars
      • S(c);OGATE,P_SPINP(b),P_SPINS(c),XP(E)::B(B),XS(c)
      • S(e);N_GUARD,XP(F)::S(M)
      • P(b);N_GUARD,P_SPINS(c),XP(F)::B(B)+P(E)
      • P(h);XP(H)::S(M),XP(h)
      • S(e);N_GUARD::S(M)
      • S(e);N_GUARD::S(M),XS(e)
      • B(i);N_GUARD::S(L),XB(i)
      • S(c);N_GUARD,P_SPINP(b)::B(B)+P(E)
      • S(c);OGATE,P_SPINP(b)::P(E),XS(c)
      • P(b);OGATE,P_SPINS(c)::P(E),XP(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).