MESON Chess Problem Database

Problem Display
PID: 71350 (8/4P2p/3pp2Q/3pkP2/3p2P1/3K4/8/8 w - - 0 1)

Boros, Sandor

Funkschach, 1926

8/4P2p/3pp2Q/3pkP2/3p2P1/3K4/8/8

#2

5 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...exf5
      • 2.e8Q#
      • 2.e8R#
  • Tries
    • 1.Qg5?
      • threat
        • 2.f6#
      • 1...exf5
        • 2.Qxf5#
        • 2.e8Q#
        • 2.e8R#
      • 1...h6!
  • Keys
    • 1.e8S!
      • 1...exf5
        • 2.Qxd6#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(e);XP(C)::P=Q
  • Tries
    • Try
      • Q(D);
      • Threat
        • QAR(D)+P(C)
      • Refutation
        • P(f);
  • Actual
    • P(E);
    • Vars
      • P(e);OGATE,XP(C)::QAB1(D),XP(d)
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).