MESON Chess Problem Database

Problem Display
PID: 232313 (8/3p4/8/4R3/R5pk/8/6K1/2n5 w - - 0 1)

Degenkolbe, Mirko

Muller, Dieter

Kudesnik, 2011

8/3p4/8/4R3/R5pk/8/6K1/2n5

#2

3 + 4

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Raa5?
      • threat
        • 2.Rh5#
      • 1...g3
        • 2.Ra4#
        • 2.Re4#
      • 1...d5!
    • 1.Ra6?
      • threat
        • 2.Rh6#
      • 1...g3
        • 2.Ra4#
      • 1...d6!
  • Keys
    • 1.Ra8!
      • threat
        • 2.Rh8#
      • 1...g3
        • 2.Ra4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);N_PINP(b)
      • Threat
        • R1(C)
      • Refutation
        • P(d);
    • Try
      • R(B);N_PINP(b)
      • Threat
        • R(B)
      • Vars
        • P(b);OGATEB::R(B)
      • Refutation
        • P(d);
  • Actual
    • R(B);N_PINP(b)
    • Threat
      • R(B)
    • Vars
      • P(b);OGATEB::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).