MESON Chess Problem Database

Problem Display
PID: 157509 (8/5p1K/5p2/2NN2bR/6kp/4pR1p/4P2B/8 w - - 0 1)

Butler, Henry William

Derby Advertiser, 0000

8/5p1K/5p2/2NN2bR/6kp/4pR1p/4P2B/8

#2

7 + 7

15351 SCPF/BCPS Black Books 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Bf4
      • 2.Sxf6#
    • 1...Bh6
      • 2.Sxf6#
  • Tries
    • 1.Se4?
      • 1...f5
        • 2.Rxg5#
      • 1...Bf4
        • 2.Sexf6#
        • 2.Sdxf6#
      • 1...Bh6
        • 2.Sexf6#
        • 2.Sdxf6#
      • 1...Kxh5!
    • 1.Rf4+?
      • 1...Bxf4
        • 2.Sxf6#
      • 1...Kxh5!
    • 1.Rxg5+?
      • 1...fxg5
        • 2.Sf6#
      • 1...Kxg5!
  • Keys
    • 1.Rf5!
      • 1...Kxf5
        • 2.Sxe3#
      • 1...Kxh5
        • 2.Sxf6#
      • 1...Bf4
        • 2.Sxf6#
      • 1...Bh6
        • 2.Sxf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(e);N_GUARD::S(E),XP(f)
  • Tries
    • Try
      • S(D);
      • Vars
        • P(f);N_GUARD::R1(F),XB(e)
      • Refutation
        • K(c);S_FLIGHT,XR(F)
    • Try
      • R(C);CHECK
      • Vars
        • B(e);XR(C)::S(E),XP(f)
      • Refutation
        • K(c);S_FLIGHT,XR(F)
    • Try
      • R(F);CHECK,XB(e)
      • Vars
        • P(f);SBLOCK,XR(F)::S(E)
      • Refutation
        • K(c);P-FLIGHT,XR(F)
  • Actual
    • R(C);
    • Vars
      • K(c);P_SPINB(e),S_FLIGHT,XR(C)::S(E),XP(a)
      • K(c);P_SPINB(e),S_FLIGHT,XR(F)::S(E),XP(f)
      • B(e);N_GUARD::S(E),XP(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).