MESON Chess Problem Database

Problem Display
PID: 186590 (1N6/4p3/1p5r/3p2b1/1k1P4/1P2p3/1KRpB3/4B3 w - - 0 1)

Letzin, Gustav

Deutsche Arbeiter Schachzeitung, 1912

1N6/4p3/1p5r/3p2b1/1k1P4/1P2p3/1KRpB3/4B3

#4

7 + 8

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Keys
    • 1.Rc3!
      • threat
        • 2.Sa6+
          • 2...Ka5
            • 3.b4+
              • 3...Ka4
                • 4.Ra3#
      • 1...d1S+
        • 2.Ka2
          • threat
            • 3.Sa6+
              • 3...Ka5
                • 4.Rc5#
            • 3.Rc1+
              • 3...Sc3+
                • 4.Bxc3#
            • 3.Rc2+
              • 3...Sc3+
                • 4.Bxc3#
            • 3.Rxe3+
              • 3...Sc3+
                • 4.Bxc3#
            • 3.Rc4+
              • 3...Kb5
                • 4.Rc1#
                • 4.Rc2#
                • 4.Ra4#
                • 4.Rc5#
                • 4.Rc6#
                • 4.Rc7#
                • 4.Rc8#
            • 3.Rc5+
              • 3...Sc3+
                • 4.Bxc3#
            • 3.Rc6+
              • 3...Sc3+
                • 4.Bxc3#
            • 3.Rc7+
              • 3...Sc3+
                • 4.Bxc3#
            • 3.Rc8+
              • 3...Sc3+
                • 4.Bxc3#
          • 2...Sxc3+
            • 3.Kb2
              • threat
                • 4.Bxc3#
              • 3...Ka5
                • 4.Bxc3#
              • 3...Rc6
                • 4.Sxc6#
      • 1...Ka5
        • 2.b4+
          • 2...Ka4
            • 3.Ra3+
              • 3...Kxb4
                • 4.Sa6#
          • 2...Kxb4
            • 3.Sa6+
              • 3...Ka4
                • 4.Ra3#
              • 3...Ka5
                • 4.Ra3#
      • 1...b5
        • 2.Rc5
          • threat
            • 3.Rxb5#
          • 2...Rb6
            • 3.Sc6+
              • 3...Rxc6
                • 4.Rxb5#
            • 3.Rxb5+
              • 3...Rxb5
                • 4.Sc6#

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).