MESON Chess Problem Database

Problem Display
PID: 234795 (k7/2K5/8/8/3p2R1/7n/7p/6B1 w - - 0 1)

Lincoln, Robert A

Kudesnik, 2017

k7/2K5/8/8/3p2R1/7n/7p/6B1

#2

3 + 4

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...d3
      • 2.Ra4#
      • 2.Rg8#
  • Tries
    • 1.Rg2?
      • threat
        • 2.Ra2#
      • 1...Ka7
        • 2.Ra2#
      • 1...Sf2!
    • 1.Rg5?
      • threat
        • 2.Ra5#
      • 1...Ka7
        • 2.Ra5#
      • 1...Sxg5!
  • Keys
    • 1.Rg3!
      • threat
        • 2.Ra3#
      • 1...Ka7
        • 2.Ra3#
      • 1...d3
        • 2.Rg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);
      • Threat
        • R(B)
      • Vars
        • K(d);P-FLIGHT,P_SPINP(c)::R(B)
      • Refutation
        • S(b);
    • Try
      • R(B);
      • Threat
        • R(B)
      • Vars
        • K(d);P-FLIGHT,P_SPINP(c)::R(B)
      • Refutation
        • S(b);XR(B)
  • Actual
    • R(B);
    • Threat
      • R(B)
    • Vars
      • K(d);P-FLIGHT,P_SPINP(c)::R(B)
      • P(c);::R(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).