Problem Display
PID: 142740 (8/1Q3N2/p1pNp3/3pR3/2pk4/2pp4/7K/b7 w - - 0 1)

Pater, Karl

Brentano's Chess Monthly, 1881

8/1Q3N2/p1pNp3/3pR3/2pk4/2pp4/7K/b7

#3

5 + 9


SOLUTION


  • SOUND
  • Sets
    • 1...a5
      • 2.Qb6+
        • 2...c5
          • 3.Sb5#
      • 2.Qa7+
        • 2...c5
          • 3.Sb5#
    • 1...c5
      • 2.Sf5+
        • 2...exf5
          • 3.Qxd5#
      • 2.Re4+
        • 2...dxe4
          • 3.Qxe4#
      • 2.Qxd5+
        • 2...exd5
          • 3.Sf5#
  • Tries
    • 1.Sb5+?
      • 1...Kc5
        • 2.Sc7
          • threat
            • 3.Sxe6#
          • 2...Kd4
            • 3.Sxe6#
      • 1...axb5!
    • 1.Sf5+?
      • 1...Kc5
        • 2.Sg7
          • threat
            • 3.Sxe6#
          • 2...Kd4
            • 3.Sxe6#
        • 2.Rxe6
          • threat
            • 3.Rxc6#
          • 2...d4
            • 3.Re5#
      • 1...exf5!
  • Keys
    • 1.Sd8!
      • threat
        • 2.Sxc6+
          • 2...Kc5
            • 3.Se4#
      • 1...Kc5
        • 2.S6f7
          • threat
            • 3.Sxe6#
          • 2...Kd4
            • 3.Sxe6#
        • 2.Sxe6+
          • 2...Kxd6
            • 3.Qc7#
      • 1...Kxe5
        • 2.Qg7+
          • 2...Kf4
            • 3.Qg3#
          • 2...Kxd6
            • 3.Sb7#
      • 1...c2
        • 2.Sxc6+
          • 2...Kc3
            • 3.Qb4#
          • 2...Kc5
            • 3.Se4#
      • 1...d2
        • 2.Sxc6+
          • 2...Kd3
            • 3.Qh7#
          • 2...Kc5
            • 3.Se4#

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).