MESON Chess Problem Database

Problem Display
PID: 28751 (b3B3/1k6/8/Q7/8/8/6R1/7K w - - 0 1)

Lincoln, Robert A

StrateGems, 2001

b3B3/1k6/8/Q7/8/8/6R1/7K

#2

4 + 2

4883 Still More Fun with Chess Miniatures 2002
136 Problem Observer 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Bc6+?
      • 1...Kb8
        • 2.Rg8#
      • 1...Kc8
        • 2.Rg8#
      • 1...Kxc6!
    • 1.Rg7+?
      • 1...Kc8+
        • 2.Qxa8#
      • 1...Kb8+!
  • Keys
    • 1.Rg8!
      • 1...Kb8+
        • 2.Bc6#
      • 1...Kc8+
        • 2.Bc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);CHECK
      • Vars
        • K(a);P-FLIGHT::R(B)
        • K(a);S_FLIGHT::R(B)
      • Refutation
        • K(a);S_FLIGHT,XB(D)
    • Try
      • R(B);CHECK
      • Vars
        • K(a);CHECK,S_FLIGHT::QAR2(C),XB(b)
      • Refutation
        • K(a);CHECK,P-FLIGHT
  • Actual
    • R(B);
    • Vars
      • K(a);CHECK,P-FLIGHT::R(B)+B(D)
      • K(a);CHECK,S_FLIGHT::R(B)+B(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).