Problem Display
PID: 41652 (5Q2/5P1p/4p2P/8/3N2P1/rpNPBB2/qpppPK2/1bk5 w - - 0 1)

Schirdewan, Ulrich

1st Prize, Zurcher Illustrierte, 1932-1933

5Q2/5P1p/4p2P/8/3N2P1/rpNPBB2/qpppPK2/1bk5

#3

11 + 10


SOLUTION


  • SOUND
  • Tries
    • 1.Se4?
      • threat
        • 2.Bxd2+
          • 2...Kd1
            • 3.e3#
        • 2.Qb4
          • threat
            • 3.Qxd2#
          • 2...Kd1
            • 3.Qxd2#
      • 1...Qa1
        • 2.Bxd2+
          • 2...Kd1
            • 3.e3#
      • 1...Ra4
        • 2.Bxd2+
          • 2...Kd1
            • 3.e3#
      • 1...Ra6
        • 2.Bxd2+
          • 2...Kd1
            • 3.e3#
      • 1...Ra7
        • 2.Bxd2+
          • 2...Kd1
            • 3.e3#
      • 1...Ra8
        • 2.Bxd2+
          • 2...Kd1
            • 3.e3#
      • 1...Kd1!
    • 1.Qb4?
      • threat
        • 2.Sa4
          • threat
            • 3.Qxd2#
          • 2...Kd1
            • 3.Qxd2#
        • 2.Se4
          • threat
            • 3.Qxd2#
          • 2...Kd1
            • 3.Qxd2#
        • 2.Scb5
          • threat
            • 3.Qxd2#
          • 2...Kd1
            • 3.Qxd2#
        • 2.Sd5
          • threat
            • 3.Qxd2#
          • 2...Kd1
            • 3.Qxd2#
      • 1...Ra4
        • 2.Sxa4
          • threat
            • 3.Qxd2#
          • 2...Kd1
            • 3.Qxd2#
      • 1...Ra6
        • 2.Sa4
          • threat
            • 3.Qxd2#
          • 2...Kd1
            • 3.Qxd2#
      • 1...Ra7
        • 2.Sa4
          • threat
            • 3.Qxd2#
          • 2...Kd1
            • 3.Qxd2#
      • 1...Ra8
        • 2.Sa4
          • threat
            • 3.Qxd2#
          • 2...Kd1
            • 3.Qxd2#
      • 1...Qa1!
  • Keys
    • 1.Ba8!
      • threat
        • 2.Sf3
          • threat
            • 3.Bxd2#
      • 1...Rxa8
        • 2.Qxa8
          • threat
            • 3.Qh1#
          • 2...Qxa8
            • 3.Sxb3#

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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).