MESON Chess Problem Database

Problem Display
PID: 249586 (8/3p3B/3P4/1pn5/1pk2N2/b2RB3/8/3N1K2 w - - 0 1)

Ternblad, Carl August

Deutsche Schachzeitung, 1894

8/3p3B/3P4/1pn5/1pk2N2/b2RB3/8/3N1K2

#2

7 + 6

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bb2
      • 2.Sxb2#
    • 1...Sb3
      • 2.Bg8#
    • 1...Sxd3
      • 2.Bg8#
    • 1...Sa4
      • 2.Bg8#
    • 1...Se4
      • 2.Bg8#
    • 1...Sa6
      • 2.Bg8#
    • 1...Sb7
      • 2.Bg8#
    • 1...b3
      • 2.Rd4#
  • Tries
    • 1.Be4?
      • threat
        • 2.Bd5#
      • 1...b3
        • 2.Rd4#
      • 1...Sxe4!
  • Keys
    • 1.Sg6!
      • threat
        • 2.Se5#
      • 1...Kxd3
        • 2.Se5#
      • 1...Sxd3
        • 2.Bg8#
      • 1...b3
        • 2.Rd4#
      • 1...Bb2
        • 2.Sxb2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • B(a);N_GUARD::S(A),XB(a)
    • S(e);N_GUARD::B(G)
    • S(e);N_GUARD,XR(C)::B(G)
    • P(b);SBLOCK::R1(C)
  • Tries
    • Try
      • B(G);
      • Threat
        • B(G)
      • Vars
        • P(b);SBLOCK::R1(C)
      • Refutation
        • S(e);XB(G)
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • K(c);S_FLIGHT,XR(C)::B(G)+S(E),DCHECK
      • S(e);N_GUARD,SBLOCK,XR(C)::B(G)
      • P(b);SBLOCK::R1(C)
      • B(a);N_GUARD::S(A),XB(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).