MESON Chess Problem Database

Problem Display
PID: 188410 (2R1BK2/1n1ppN2/R1b1k3/2rpb1pN/3BnpP1/8/8/8 w - - 0 1)

Bonavia-Hunt, Rev Noel Aubrey

To Alain White, 1945

2R1BK2/1n1ppN2/R1b1k3/2rpb1pN/3BnpP1/8/8/8

#2

8 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Bd6
      • 2.Sg7#
    • 1...Bc7
      • 2.Sg7#
    • 1...Bg7+
      • 2.Sxg7#
    • 1...Bb8
      • 2.Sg7#
    • 1...Sed6
      • 2.Sxg5#
    • 1...Sf6
      • 2.Sg7#
    • 1...Sbd6
      • 2.Sd8#
  • Keys
    • 1.Rc7!
      • threat
        • 2.Bxd7#
      • 1...Bg7+
        • 2.Sxg7#
      • 1...Bxc7
        • 2.Sg7#
      • 1...Bd6
        • 2.Sg7#
      • 1...Sed6
        • 2.Sxg5#
      • 1...Sf6
        • 2.Sg7#
      • 1...Sbd6
        • 2.Sd8#
      • 1...d6
        • 2.Rxe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • B(e);N_GUARD,N_SPINB(g)::S(C)
    • B(e);N_GUARD::S(C)
    • B(e);CHECK,N_GUARD::S(C),XB(e)
    • S(a);N_GUARD,N_SPINB(g),SBLOCK::S(E),XP(f)
    • S(a);SBLOCK,S_CUTB(e)::S(C)
    • S(i);N_GUARD,N_SPINB(g),SBLOCK::S(E)
  • Actual
    • R(F);
    • Threat
      • B(G),XP(j)
    • Vars
      • B(e);CHECK,N_GUARD::S(C),XB(e)
      • B(e);N_GUARD,XR(F)::S(C)
      • B(e);N_GUARD,N_SPINB(g)::S(C)
      • S(a);N_GUARD,N_SPINB(g),SBLOCK::S(E),XP(f)
      • S(a);SBLOCK,S_CUTB(e)::S(C)
      • S(i);N_GUARD,N_SPINB(g),SBLOCK::S(E)
      • P(j);N_SPINB(g),OGATE::R1(F),XP(k)
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).