MESON Chess Problem Database

Problem Display
PID: 254384 (K7/1R6/k3B3/bp6/1p6/8/1N6/8 w - - 0 1)

Shumarin, Vladimir Pavlovich

Zadachi i Etyudi, 2005

K7/1R6/k3B3/bp6/1p6/8/1N6/8

#2

4 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Sa4?
      • threat
        • 2.Sc5#
        • 2.Ra7#
      • 1...bxa4
        • 2.Bc4#
      • 1...Bc7
        • 2.Ra7#
      • 1...Bd8
        • 2.Ra7#
      • 1...Bb6!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Ra7#
      • 1...bxc4
        • 2.Bxc4#
      • 1...Bb6
        • 2.Rxb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);
      • Threat
        • DUALS(2)
      • Vars
        • P(c);OGATEB,XS(A)::B(B)
        • B(b);::R1(C)
      • Refutation
        • B(b);
  • Actual
    • S(A);
    • Threat
      • R1(C)
    • Vars
      • P(c);OGATE,XS(A)::B(B),XP(c)
      • B(b);N_GUARD::R1(C),XB(b)
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).