MESON Chess Problem Database

Problem Display
PID: 236276 (1B6/R5N1/1k1K4/8/2b5/2N5/8/8 w - - 0 1)

Leon-Martin, Gabriel

L'Echiquier de Paris, 1951

1B6/R5N1/1k1K4/8/2b5/2N5/8/8

#4

5 + 2

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Sf5!
      • threat
        • 2.Sd4
          • threat
            • 3.Sa4#
          • 2...Ba6
            • 3.Sc6
              • threat
                • 4.Bc7#
          • 2...Bb3
            • 3.Scb5
              • threat
                • 4.Bc7#
            • 3.Sdb5
              • threat
                • 4.Bc7#
            • 3.Sc6
              • threat
                • 4.Bc7#
        • 2.Se7
          • threat
            • 3.Sc8#
          • 2...Ba6
            • 3.Sed5+
              • 3...Ka5
                • 4.Bc7#
            • 3.Sc6
              • threat
                • 4.Bc7#
          • 2...Be6
            • 3.Sc6
              • threat
                • 4.Bc7#
      • 1...Ba6
        • 2.Sd4
          • threat
            • 3.Sc6
              • threat
                • 4.Bc7#
          • 2...Ka5
            • 3.Sc6+
              • 3...Kb6
                • 4.Bc7#
            • 3.Sd5
              • 3...Ka4
                • 4.Rxa6#
      • 1...Bf1
        • 2.Se3
          • threat
            • 3.Sed5#
          • 2...Ba6
            • 3.Sed5+
              • 3...Ka5
                • 4.Bc7#
        • 2.Sd4
          • threat
            • 3.Sa4#
            • 3.Sd5#
          • 2...Ba6
            • 3.Sc6
              • threat
                • 4.Bc7#
        • 2.Se7
          • threat
            • 3.Sed5#
            • 3.Sc8#
          • 2...Ba6
            • 3.Sed5+
              • 3...Ka5
                • 4.Bc7#
            • 3.Sc6
              • threat
                • 4.Bc7#
      • 1...Ba2
        • 2.Sd4
          • threat
            • 3.Sa4#
          • 2...Bb3
            • 3.Scb5
              • threat
                • 4.Bc7#
            • 3.Sdb5
              • threat
                • 4.Bc7#
            • 3.Sc6
              • threat
                • 4.Bc7#
        • 2.Se7
          • threat
            • 3.Sc8#
          • 2...Be6
            • 3.Sc6
              • threat
                • 4.Bc7#
      • 1...Be2
        • 2.Se3
          • threat
            • 3.Sed5#
          • 2...Ba6
            • 3.Sed5+
              • 3...Ka5
                • 4.Bc7#
        • 2.Sd4
          • threat
            • 3.Sa4#
            • 3.Sd5#
          • 2...Ba6
            • 3.Sc6
              • threat
                • 4.Bc7#
        • 2.Se7
          • threat
            • 3.Sed5#
            • 3.Sc8#
          • 2...Ba6
            • 3.Sed5+
              • 3...Ka5
                • 4.Bc7#
            • 3.Sc6
              • threat
                • 4.Bc7#
      • 1...Bd3
        • 2.Sd5+
          • 2...Kb5
            • 3.Sd4+
              • 3...Kc4
                • 4.Ra4#
        • 2.Se3
          • threat
            • 3.Sed5#
          • 2...Ba6
            • 3.Sed5+
              • 3...Ka5
                • 4.Bc7#
        • 2.Sd4
          • threat
            • 3.Sa4#
            • 3.Sd5#
          • 2...Ba6
            • 3.Sc6
              • threat
                • 4.Bc7#
        • 2.Se7
          • threat
            • 3.Sed5#
            • 3.Sc8#
          • 2...Ba6
            • 3.Sed5+
              • 3...Ka5
                • 4.Bc7#
            • 3.Sc6
              • threat
                • 4.Bc7#
      • 1...Bd5
        • 2.Sd4
          • threat
            • 3.Sa4#
            • 3.Sxd5#
          • 2...Bb3
            • 3.Scb5
              • threat
                • 4.Bc7#
            • 3.Sdb5
              • threat
                • 4.Bc7#
            • 3.Sc6
              • threat
                • 4.Bc7#
          • 2...Bc6
            • 3.Sdb5
              • threat
                • 4.Bc7#
              • 3...Bxb5
                • 4.Sd5#
      • 1...Bf7
        • 2.Rxf7
          • 2...Ka5
            • 3.Kc5
              • 3...Ka6
                • 4.Ra7#
          • 2...Ka6
            • 3.Kc5
              • 3...Ka5
                • 4.Ra7#
        • 2.Sd4
          • threat
            • 3.Sa4#
          • 2...Bb3
            • 3.Scb5
              • threat
                • 4.Bc7#
            • 3.Sdb5
              • threat
                • 4.Bc7#
            • 3.Sc6
              • threat
                • 4.Bc7#
        • 2.Se7
          • threat
            • 3.Sc8#
          • 2...Be6
            • 3.Sc6
              • threat
                • 4.Bc7#
      • 1...Bg8
        • 2.Sd4
          • threat
            • 3.Sa4#
          • 2...Bb3
            • 3.Scb5
              • threat
                • 4.Bc7#
            • 3.Sdb5
              • threat
                • 4.Bc7#
            • 3.Sc6
              • threat
                • 4.Bc7#
        • 2.Se7
          • threat
            • 3.Sc8#
          • 2...Be6
            • 3.Sc6
              • threat
                • 4.Bc7#

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).