Problem Display
PID: 133502 (8/4P1R1/3nk3/3R4/2PP4/6P1/5K2/8 w - - 0 1)

Rothmaler, Karl Wilhelm Adolf

Neue Berliner Schachzeitung, 1866

8/4P1R1/3nk3/3R4/2PP4/6P1/5K2/8

#3

7 + 2


1829 The Theory of Pawn Promotion 1912

SOLUTION


  • SOUND
  • Sets
    • 1...Sb5
      • 2.e8Q+
        • 2...Kf6
          • 3.Rg6#
          • 3.Qg6#
          • 3.Qf7#
          • 3.Qe5#
          • 3.Qe7#
    • 1...Sf5
      • 2.e8Q+
        • 2...Kf6
          • 3.Rg6#
          • 3.Qg6#
          • 3.Qf7#
          • 3.Qe5#
        • 2...Se7
          • 3.Rg6#
          • 3.Qf7#
          • 3.Qxe7#
    • 1...Sb7
      • 2.e8Q+
        • 2...Kf6
          • 3.Rg6#
          • 3.Qg6#
          • 3.Qf7#
          • 3.Qe5#
          • 3.Qe7#
      • 2.e8S
        • threat
          • 3.Re5#
    • 1...Sf7
      • 2.e8Q+
        • 2...Kf6
          • 3.Qxf7#
    • 1...Sc8
      • 2.e8Q+
        • 2...Kf6
          • 3.Rg6#
          • 3.Qg6#
          • 3.Qf7#
          • 3.Qe5#
        • 2...Se7
          • 3.Rg6#
          • 3.Qf7#
          • 3.Qxe7#
  • Tries
    • 1.Re5+?
      • 1...Kd7
        • 2.e8Q#
      • 1...Kf6!
    • 1.e8Q+?
      • 1...Kf6
        • 2.Rg6#
        • 2.Qg6#
        • 2.Qe5#
        • 2.Qe7#
      • 1...Sxe8!
  • Keys
    • 1.Rxd6+!
      • 1...Kf5
        • 2.e8B
          • 2...Ke4
            • 3.Bg6#
      • 1...Kxd6
        • 2.e8R
          • 2...Kc6
            • 3.Re6#

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).