MESON Chess Problem Database

Problem Display
PID: 240603 (8/1p6/2P1prb1/1R1Pp3/1N1k4/4n3/1K1NB3/6B1 w - - 0 1)

Hoffmann, Fritz

Thema Danicum, 1989

8/1p6/2P1prb1/1R1Pp3/1N1k4/4n3/1K1NB3/6B1

#2

8 + 7

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rf5
      • 2.Sc2#
    • 1...Bc2
      • 2.Sxc2#
    • 1...Be4
      • 2.Sb3#
    • 1...Bh5
      • 2.Sc2#
    • 1...Bf7
      • 2.Sc2#
    • 1...Be8
      • 2.Sc2#
    • 1...exd5
      • 2.Rxd5#
    • 1...bxc6
      • 2.Sxc6#
  • Tries
    • 1.dxe6?
      • threat
        • 2.Rd5#
      • 1...bxc6
        • 2.Sxc6#
      • 1...Be4
        • 2.Sb3#
      • 1...Rf2!
  • Keys
    • 1.cxb7!
      • threat
        • 2.Sc6#
      • 1...exd5
        • 2.Rxd5#
      • 1...Be8
        • 2.Sc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 6
  • Sets
    • R(e);S_CUTB(f)::S(E)
    • B(f);N_GUARD::S(E),XB(f)
    • B(f);SBLOCK::S(C)
    • B(f);N_GUARD::S(E)
    • P(d);OGATE,XP(G)::R1(F),XP(d)
    • P(g);XP(H)::S(E),XP(g)
  • Tries
    • Try
      • P(G);XP(d)
      • Threat
        • R1(F)
      • Vars
        • P(g);XP(H)::S(E),XP(g)
        • B(f);SBLOCK::S(C)
      • Refutation
        • R(e);N_SPINS(a)
  • Actual
    • P(H);XP(g)
    • Threat
      • S(E)
    • Vars
      • P(d);OGATE,XP(G)::R1(F),XP(d)
      • B(f);N_GUARD::S(E)
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).