MESON Chess Problem Database

Problem Display
PID: 155323 (7B/8/B2pp1K1/2bN4/4k3/1P2P3/R3P1N1/3n4 w - - 0 1)

Haigh, E

Leeds Mercury Weekly Supplement, 1880

(First published on Sat Jan 31 1880)

7B/8/B2pp1K1/2bN4/4k3/1P2P3/R3P1N1/3n4

#2

9 + 5

15239 Valois Notebooks 2015

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd5
      • 2.Bb7#
    • 1...Sb2
      • 2.Sc3#
    • 1...Sf2
      • 2.Sc3#
    • 1...Sc3
      • 2.Sxc3#
    • 1...Sxe3
      • 2.Sc3#
    • 1...exd5
      • 2.Bd3#
    • 1...e5
      • 2.Sf6#
  • Tries
    • 1.Bb7?
      • threat
        • 2.Sc3#
      • 1...Sc3
        • 2.Sxc3#
      • 1...exd5!
    • 1.Ra4+?
      • 1...Kxd5
        • 2.Bb7#
      • 1...Bd4
        • 2.Rxd4#
      • 1...Bb4!
  • Keys
    • 1.Ra5!
      • 1...Kxd5
        • 2.Bb7#
      • 1...Bxe3
        • 2.Bd3#
      • 1...Sxe3
        • 2.Sc3#
      • 1...exd5
        • 2.Bd3#
      • 1...Ba3
        • 2.Sf6#
        • 2.Bd3#
      • 1...Bb4
        • 2.Sf6#
        • 2.Bd3#
      • 1...Bd4
        • 2.Bd3#
      • 1...Bb6
        • 2.Sf6#
        • 2.Bd3#
      • 1...Ba7
        • 2.Sf6#
        • 2.Bd3#
      • 1...Sb2
        • 2.Sc3#
      • 1...Sf2
        • 2.Sc3#
      • 1...Sc3
        • 2.Sxc3#
      • 1...e5
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);OGATEB,S_FLIGHT,XS(F)::B(G)
    • S(a);N_GUARD::S(F)
    • S(a);N_GUARD::S(F),XS(a)
    • S(a);N_GUARD,XP(E)::S(F)
    • P(e);SBLOCK,XS(F)::B(G)
    • P(e);SBLOCK::S(F)
  • Tries
    • Try
      • B(G);
      • Threat
        • B(G)+S(F),DCHECK
      • Vars
        • S(a);::B(G)+S(F),DCHECK,XS(a)
      • Refutation
        • P(e);P_SPINP(e),XS(F)
    • Try
      • R(A);CHECK
      • Vars
        • K(b);S_FLIGHT,XS(F)::B(G)
        • B(c);N_GUARD,P_SPINB(c)::R1(A),XB(c)
      • Refutation
        • B(c);P_SPINB(c)
  • Actual
    • R(A);
    • Vars
      • K(b);OGATEB,P_SPINB(c),S_FLIGHT,XS(F)::B(G)
      • B(c);XP(E)::B(G)
      • S(a);N_GUARD,XP(E)::S(F)
      • P(e);SBLOCK,XS(F)::B(G)
      • B(c);::B(G)
      • S(a);N_GUARD::S(F)
      • S(a);N_GUARD::S(F),XS(a)
      • P(e);SBLOCK::S(F)
HTML5 logo

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).