Problem Display
PID: 260623 (Nb6/p3r3/8/nBPk1Pn1/1P1pp1P1/r2PP1B1/7Q/3N1K2 w - - 0 1)

Ascher, Valeska

Neue Zurcher Zeitung, 1953

Nb6/p3r3/8/nBPk1Pn1/1P1pp1P1/r2PP1B1/7Q/3N1K2

#3

12 + 9


6490 yacpdb 2022

SOLUTION


  • SOUND
  • Sets
    • 1...Ra2
      • 2.Qxa2+
        • 2...Sb3
          • 3.Qxb3#
        • 2...Sc4
          • 3.Qxc4#
          • 3.dxc4#
    • 1...Rg7
      • 2.Bxb8
        • threat
          • 3.Qe5#
          • 3.Qd6#
        • 2...Sc4
          • 3.dxc4#
        • 2...Sf7
          • 3.Sc7#
    • 1...Sc4
      • 2.dxc4#
    • 1...Sc6
      • 2.Bc4#
    • 1...Se6
      • 2.dxe4+
        • 2...Kxe4
          • 3.Qh1#
          • 3.Qg2#
    • 1...a6
      • 2.Sb6#
  • Tries
    • 1.Bxb8?
      • threat
        • 2.Qd6#
      • 1...Sb7
        • 2.Qe5+
          • 2...Rxe5
            • 3.Sc7#
      • 1...Sf7
        • 2.dxe4+
          • 2...Kxe4
            • 3.Qh1#
            • 3.Qg2#
          • 2...Rxe4
            • 3.Sc7#
      • 1...exd3!
  • Keys
    • 1.Qh8!
      • threat
        • 2.Qxd4#
      • 1...Rxd3
        • 2.Qxd4+
          • 2...Rxd4
            • 3.Sc3#
      • 1...Re5
        • 2.Qd8+
          • 2...Bd6
            • 3.Sc7#
            • 3.Qxd6#
      • 1...Rg7
        • 2.Qxb8
          • threat
            • 3.Qe5#
            • 3.Qd6#
          • 2...Rc7
            • 3.Sxc7#
          • 2...Sc4
            • 3.dxc4#
          • 2...Sf7
            • 3.Sc7#
      • 1...Be5
        • 2.Sc7+
          • 2...Rxc7
            • 3.Qxe5#
          • 2...Bxc7
            • 3.Qxd4#
        • 2.Qxe5+
          • 2...Rxe5
            • 3.Sc7#
      • 1...Sb3
        • 2.Sc7+
          • 2...Rxc7
            • 3.Qe5#
          • 2...Bxc7
            • 3.Qa8#
      • 1...Sf3
        • 2.Qg8+
          • 2...Re6
            • 3.Qxe6#
          • 2...Rf7
            • 3.Qxf7#
      • 1...Se6
        • 2.dxe4+
          • 2...Kxe4
            • 3.Qh1#

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).