MESON Chess Problem Database

Problem Display
PID: 185089 (8/5K2/5pP1/4bk2/3p2r1/3P1N1P/3BN3/8 w - - 0 1)

Fischer, JCA

Basler Nachrichten, 1940

8/5K2/5pP1/4bk2/3p2r1/3P1N1P/3BN3/8

#2

7 + 5

15601 Albrecht-Leiss-Degener Collection 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Rg1
      • 2.Sh4#
    • 1...Rg2
      • 2.Sh4#
    • 1...Rg3
      • 2.Sh4#
    • 1...Rf4
      • 2.Sg3#
    • 1...Rh4
      • 2.Sxh4#
    • 1...Rg5
      • 2.Sh4#
    • 1...Rxg6
      • 2.Sh4#
    • 1...Bf4
      • 2.Sexd4#
  • Tries
    • 1.Sg3+?
      • 1...Rxg3
        • 2.Sh4#
      • 1...Bxg3!
  • Keys
    • 1.Bf4!
      • 1...Rxf4
        • 2.Sg3#
      • 1...Rxg6
        • 2.Sh4#
      • 1...Bxf4
        • 2.Sexd4#
      • 1...Rg1
        • 2.Sh4#
      • 1...Rg2
        • 2.Sh4#
      • 1...Rg3
        • 2.Sh4#
      • 1...Rh4
        • 2.Sxh4#
      • 1...Rg5
        • 2.Sh4#
      • 1...Bd6
        • 2.Sfxd4#
      • 1...Bc7
        • 2.Sfxd4#
      • 1...Bb8
        • 2.Sfxd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(b);N_GUARD::S(D)
    • R(b);N_GUARD,S_CUTB(c)::S(B)
    • R(b);N_GUARD::S(D),XR(b)
    • R(b);N_GUARD,XP(F)::S(D)
    • B(c);N_GUARD,S_CUTR(b)::S(B),XP(a)
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • R(b);XS(B)::S(D)
      • Refutation
        • B(c);XS(B)
  • Actual
    • B(A);
    • Vars
      • R(b);N_GUARD,SBLOCK,XB(A)::S(B)
      • R(b);N_GUARD,XP(F)::S(D)
      • B(c);N_GUARD,SBLOCK,XB(A)::S(B),XP(a)
      • R(b);N_GUARD::S(D)
      • R(b);N_GUARD::S(D),XR(b)
      • B(c);N_GUARD::S(D),XP(a)
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).