MESON Chess Problem Database

Problem Display
PID: 186004 (k7/8/3K4/8/2B1p3/3R4/2p2B2/8 w - - 0 1)

Lincoln, Robert A

Problem Observer, 2017

k7/8/3K4/8/2B1p3/3R4/2p2B2/8

#2

4 + 3

SOLUTION

  • SOUND
  • Keys
    • 1.Kc7!
      • threat
        • 2.Bd5#
        • 2.Ra3#
        • 2.Rd8#
      • 1...exd3
        • 2.Bd5#
      • 1...e3
        • 2.Ra3#
      • 1...c1Q
        • 2.Rd8#
      • 1...c1B
        • 2.Bd5#
        • 2.Rd8#
      • 1...c1R
        • 2.Ra3#
        • 2.Rd8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Actual
    • K(D);S_FLIGHT
    • Threat
      • DUALS(3)
    • Vars
      • P(b);XR(B)::B(C)
      • P(b);::R(B)
      • P(a);P_PINB(C)::R(B)
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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).