MESON Chess Problem Database

Problem Display
PID: 63012 (6R1/8/3N1pNK/8/5pkp/7R/4p2P/6B1 w - - 0 1)

Hoek, Willem

Schakend Nederland, 1961

6R1/8/3N1pNK/8/5pkp/7R/4p2P/6B1

#2

7 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Kxh3
      • 2.Sxf4#
    • 1...f3
      • 2.Rxh4#
  • Keys
    • 1.Rf3!
      • threat
        • 2.Se5#
      • 1...Kxf3
        • 2.Sxh4#
      • 1...h3
        • 2.Rxf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • K(c);S_FLIGHT,XR(C)::S(E),XP(b)
    • P(b);SBLOCK::R1(C),XP(d)
  • Actual
    • R(C);
    • Threat
      • R(G)+S(E),DCHECK
    • Vars
      • K(c);S_FLIGHT,XR(C)::S(E),XP(d)
      • P(d);SBLOCK::R1(C),XP(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).