MESON Chess Problem Database

Problem Display
PID: 247220 (4B3/R5pn/3K1k2/R7/2N3P1/8/2b5/8 w - - 0 1)

Stanley, Cyril (Kipping, Cyril Stanley)

The Problemist, 1954

4B3/R5pn/3K1k2/R7/2N3P1/8/2b5/8

#2

6 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Bd1
      • 2.Rf5#
    • 1...Bb3
      • 2.Rf5#
    • 1...Ba4
      • 2.Rf5#
    • 1...Bf5
      • 2.Rxf5#
    • 1...Sf8
      • 2.g5#
    • 1...g6
      • 2.Rf7#
  • Keys
    • 1.Sb6!
      • threat
        • 2.Sd7#
      • 1...Bf5
        • 2.Rxf5#
      • 1...Ba4
        • 2.Rf5#
      • 1...Sf8
        • 2.g5#
      • 1...g5
        • 2.Sd5#
      • 1...g6
        • 2.Rf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • B(a);N_GUARD::R1(C)
    • B(a);N_GUARD::R1(C),XB(a)
    • S(d);N_GUARD::P(B)
    • P(c);SBLOCK::R1(E)
  • Actual
    • S(A);
    • Threat
      • S(A)
    • Vars
      • B(a);N_GUARD::R1(C),XB(a)
      • B(a);N_GUARD::R1(C)
      • S(d);N_GUARD::P(B)
      • P(c);SBLOCK::S(A)
      • P(c);SBLOCK::R1(E)
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).