MESON Chess Problem Database

Problem Display
PID: 109502 (K7/8/pN4R1/krb1B3/pN5R/p7/1p6/5BQ1 w - - 0 1)

Taraba, Jozef

Israel Ring Ty., 1982

K7/8/pN4R1/krb1B3/pN5R/p7/1p6/5BQ1

#2

8 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bxb4
      • 2.Sc4#
    • 1...Bxb6
      • 2.Sc6#
    • 1...Bd6
      • 2.Sc6#
    • 1...Be7
      • 2.Sc6#
    • 1...Bf8
      • 2.Sc6#
  • Tries
    • 1.Bc7?
      • threat
        • 2.Sc6#
      • 1...Bxb4
        • 2.Sc4#
      • 1...Rxb4!
  • Keys
    • 1.Bc3!
      • threat
        • 2.Sc4#
      • 1...Rxb4
        • 2.Qxc5#
      • 1...Rxb6
        • 2.Sc6#
      • 1...Bxb6
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • B(f);SBLOCK,XS(C)::S(F)
    • B(f);XS(F)::S(C)
    • B(f);::S(C)
  • Tries
    • Try
      • B(E);
      • Threat
        • S(C)
      • Vars
        • B(f);SBLOCK,XS(C)::B(E)+S(F),DCHECK
      • Refutation
        • R(e);XS(C)
  • Actual
    • B(E);
    • Threat
      • S(F)
    • Vars
      • R(e);OGATEB,P_SPINR(e),XS(C)::QAR2(B),XB(f)
      • R(e);SBLOCK,XS(F)::B(E)+S(C),DCHECK
      • B(f);XS(F)::B(E)+S(C),DCHECK
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).