Problem Display
PID: 132568 (N7/4P2R/1Pp2b2/2P5/8/1B6/1PK1P2P/k2N4 w - - 0 1)

Bettmann, Edgar

Bettmann, Henry Wald

Bettmann, Jacob

Baltimore American and Commercial Advertiser, 1883

N7/4P2R/1Pp2b2/2P5/8/1B6/1PK1P2P/k2N4

#3

11 + 3


1829 The Theory of Pawn Promotion 1912

SOLUTION


  • SOUND
  • Tries
    • 1.e8Q?
      • threat
        • 2.Ra7#
      • 1...Bxb2
        • 2.Ra7+
          • 2...Ba3
            • 3.Rxa3#
            • 3.Qe5#
            • 3.Qh8#
        • 2.Qe5
          • threat
            • 3.Ra7#
            • 3.Qxb2#
        • 2.Qh8
          • threat
            • 3.Ra7#
            • 3.Qxb2#
          • 2...Bg7
            • 3.Qxg7#
      • 1...Bc3
        • 2.Ra7+
          • 2...Ba5
            • 3.Rxa5#
      • 1...Bg7
        • 2.Qe5
          • 2...Bxe5
            • 3.Ra7#
          • 2...Bf6
            • 3.Ra7#
          • 2...Bh6
            • 3.Ra7#
          • 2...Bf8
            • 3.Ra7#
          • 2...Bh8
            • 3.Ra7#
      • 1...Be7!
    • 1.e8R?
      • threat
        • 2.Ra7#
      • 1...Bxb2
        • 2.Ra7+
          • 2...Ba3
            • 3.Rxa3#
      • 1...Bc3
        • 2.Ra7+
          • 2...Ba5
            • 3.Rxa5#
      • 1...Bg7
        • 2.Re5
          • 2...Bxe5
            • 3.Ra7#
          • 2...Bf6
            • 3.Ra7#
          • 2...Bh6
            • 3.Ra7#
          • 2...Bf8
            • 3.Ra7#
          • 2...Bh8
            • 3.Ra7#
      • 1...Be7!
  • Keys
    • 1.e8S!
      • threat
        • 2.Ra7#
      • 1...Bxb2
        • 2.Ra7+
          • 2...Ba3
            • 3.Rxa3#
      • 1...Bc3
        • 2.Ra7+
          • 2...Ba5
            • 3.Rxa5#
      • 1...Be7
        • 2.Sd6
          • 2...Bxd6
            • 3.Ra7#
          • 2...Bh4
            • 3.Ra7#
          • 2...Bg5
            • 3.Ra7#
          • 2...Bf6
            • 3.Ra7#
          • 2...Bd8
            • 3.Ra7#
          • 2...Bf8
            • 3.Ra7#
      • 1...Bg7
        • 2.Sf6
          • 2...Bxf6
            • 3.Ra7#
          • 2...Bh6
            • 3.Ra7#
          • 2...Bf8
            • 3.Ra7#
          • 2...Bh8
            • 3.Ra7#

FEATURES


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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).