MESON Chess Problem Database

Problem Display
PID: 185753 (8/8/2K5/3R4/kpB5/4N3/1P6/8 w - - 0 1)

Lincoln, Robert A

Problem Observer, 2016

8/8/2K5/3R4/kpB5/4N3/1P6/8

#2

5 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Bb5+?
      • 1...Ka5
        • 2.Sc4#
      • 1...Kb3!
    • 1.Rd1?
      • threat
        • 2.Ra1#
      • 1...Ka5
        • 2.Ra1#
      • 1...b3!
    • 1.Rd7?
      • threat
        • 2.Ra7#
      • 1...Ka5
        • 2.Ra7#
      • 1...b3!
    • 1.Rd8?
      • threat
        • 2.Ra8#
      • 1...Ka5
        • 2.Ra8#
      • 1...b3!
  • Keys
    • 1.Rb5!
      • 1...b3
        • 2.Bxb3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • K(a);P-FLIGHT::S(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(D);
      • Threat
        • R(D)
      • Vars
        • K(a);P-FLIGHT::R(D)
      • Refutation
        • P(b);
    • Try
      • R(D);
      • Threat
        • R(D)
      • Vars
        • K(a);P-FLIGHT::R(D)
      • Refutation
        • P(b);
    • Try
      • R(D);
      • Threat
        • R(D)
      • Vars
        • K(a);P-FLIGHT::R(D)
      • Refutation
        • P(b);
  • Actual
    • R(D);
    • Vars
      • P(b);::B(C),XP(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).