MESON Chess Problem Database

Problem Display
PID: 166456 (8/8/k5p1/8/1Rp4r/K1p4P/8/R7 w - - 0 1)

Martin, Ernst Otto

Source?, 1927

8/8/k5p1/8/1Rp4r/K1p4P/8/R7

#3

4 + 5

14986 White-Hume Collection 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Ka5
      • 2.Rab1
        • threat
          • 3.Ra4#
        • 2...Ka6
          • 3.Ra4#
    • 1...Ka7
      • 2.Rb5
        • threat
          • 3.Kb4#
        • 2...Ka6
          • 3.Kb4#
        • 2...Ka8
          • 3.Kb4#
    • 1...c2
      • 2.Kb2#
    • 1...g5
      • 2.Rab1
        • threat
          • 3.Ra4#
        • 2...Ka5
          • 3.Ra4#
        • 2...Ka7
          • 3.Ra4#
  • Tries
    • 1.Ka2?
      • threat
        • 2.Kb1#
      • 1...Ka5
        • 2.Rb8
          • threat
            • 3.Kb1#
          • 2...Ka4
            • 3.Kb1#
          • 2...Ka6
            • 3.Kb1#
          • 2...c2
            • 3.Kb2#
      • 1...Rh5!
    • 1.Rab1?
      • threat
        • 2.Ra4#
      • 1...Ka5
        • 2.Ra4#
      • 1...Ka7
        • 2.Ra4#
      • 1...Rh5!
    • 1.Rb5?
      • threat
        • 2.Kb4#
      • 1...Ka7
        • 2.Kb4#
      • 1...Kxb5!
  • Keys
    • 1.Rb8!
      • threat
        • 2.Kb4#
      • 1...Ka5
        • 2.Ka2
          • threat
            • 3.Kb1#
          • 2...Ka4
            • 3.Kb1#
          • 2...Ka6
            • 3.Kb1#
          • 2...c2
            • 3.Kb2#
      • 1...Ka7
        • 2.Rb5
          • threat
            • 3.Kb4#
          • 2...Ka6
            • 3.Kb4#
          • 2...Ka8
            • 3.Kb4#
      • 1...Rh5
        • 2.Kb4+
          • 2...Ra5
            • 3.Rxa5#

FEATURES

NOT CLASSIFIED
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).