MESON Chess Problem Database

Problem Display
PID: 140829 (8/5N2/p5p1/k1Kp4/p1p4r/p7/8/7b w - - 0 1)

Uppstrom, Rolf

Springaren, 2010

8/5N2/p5p1/k1Kp4/p1p4r/p7/8/7b

#2

2 + 9

SOLUTION

  • SOUND
  • Tries
    • 1.Sd6?
      • threat
        • 2.Sb7#
      • 1...d4
        • 2.Sxc4#
      • 1...Rh7!
    • 1.Sd8?
      • threat
        • 2.Sc6#
        • 2.Sb7#
      • 1...Rh7
        • 2.Sc6#
      • 1...d4!
  • Keys
    • 1.Se5!
      • threat
        • 2.Sc6#
      • 1...d4
        • 2.Sxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • S(B)
      • Vars
        • P(g);N_GUARD,S_CUTR(e)::S(B),XP(d)
      • Refutation
        • R(e);
    • Try
      • S(B);
      • Threat
        • DUALS(2)
      • Vars
        • R(e);::S(B)
      • Refutation
        • P(g);
  • Actual
    • S(B);
    • Threat
      • S(B)
    • Vars
      • P(g);N_GUARD,S_CUTR(e)::S(B),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).