MESON Chess Problem Database

Problem Display
PID: 273063 (1b5B/1b4rB/6r1/6P1/3Ppk2/2p1N1Rp/7P/2KN4 w - - 0 1)

Lissenberg, H

Probleemblad, 1952

1b5B/1b4rB/6r1/6P1/3Ppk2/2p1N1Rp/7P/2KN4

#2

9 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rc6
      • 2.Sd5#
    • 1...Rc7
      • 2.Be5#
  • Keys
    • 1.Sxc3!
      • threat
        • 2.Se2#
      • 1...Rc6
        • 2.Sd5#
      • 1...Rc7
        • 2.Be5#
      • 1...Ba6
        • 2.Scd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(e);S_CUTB(f)::S(D)
    • R(g);OGATE::B(I)
  • Actual
    • S(B);XP(a)
    • Threat
      • S(B)
    • Vars
      • R(e);P_PINS(B),S_CUTB(f)::S(D)
      • R(g);OGATE,P_PINS(B)::B(I)
      • B(f);N_GUARD::S(B)
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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).