MESON Chess Problem Database

Problem Display
PID: 228710 (B7/p7/k1N5/PpK5/8/PR6/8/8 w - b5 0 1)

Fulpius, Jaques

Schweizerische Schachzeitung, 1986

B7/p7/k1N5/PpK5/8/PR6/8/8

#2

6 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.a4?
      • threat
        • 2.axb5#
      • 1...bxa4
        • 2.Bb7#
      • 1...b4!
  • Keys
    • 1.axb5 ep!
      • 1...axb6+
        • 2.Rxb6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(A);
      • Threat
        • P(A),XP(a)
      • Vars
        • P(a);XP(A)::B(F)
      • Refutation
        • P(a);
  • Actual
    • P(C);EP,XP(a)
    • Vars
      • P(c);CHECK,OGATE,XP(C)::R1(B),XP(c)
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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).