Problem Display
PID: 113499 (2N2K2/R7/7N/RP1p1B2/1p1kpP2/1Pnrb2p/2PPP3/Q5n1 w - - 0 1)

Lindorff-Larsen, K

2nd Prize, Match: Denmark - Netherlands - Poland, 1934

2N2K2/R7/7N/RP1p1B2/1p1kpP2/1Pnrb2p/2PPP3/Q5n1

#4

13 + 9


4035 Aarsskrift for DSK 1934
6490 yacpdb 2009

SOLUTION


  • SOUND
  • Keys
    • 1.Rh7!
      • threat
        • 2.Ra8
          • threat
            • 3.Qa7#
          • 2...Kc5
            • 3.Rc7+
              • 3...Kd4
                • 4.Qa7#
              • 3...Kxb5
                • 4.Bd7#
                • 4.Ra5#
                • 4.Qa5#
                • 4.Qa6#
            • 3.Qa7+
              • 3...Kxb5
                • 4.Bd7#
          • 2...Bxf4
            • 3.Qa7+
              • 3...Ke5
                • 4.Qg7#
      • 1...Kc5
        • 2.b6+
          • 2...Kd4
            • 3.Be6
              • threat
                • 4.Sf5#
                • 4.Rxd5#
      • 1...Bxd2
        • 2.Qxg1+
          • 2...Re3
            • 3.Qg7+
              • 3...Kc5
                • 4.Qa7#
            • 3.Rc7
              • threat
                • 4.Qg7#
          • 2...Be3
            • 3.Qg7+
              • 3...Kc5
                • 4.Qa7#
          • 2...e3
            • 3.Qg7+
              • 3...Kc5
                • 4.Qa7#
      • 1...Bxf4
        • 2.Qxg1+
          • 2...Re3
            • 3.Qg7+
              • 3...Kc5
                • 4.Qa7#
              • 3...Be5
                • 4.Qa7#
          • 2...Be3
            • 3.Qg7+
              • 3...Kc5
                • 4.Qa7#
          • 2...e3
            • 3.Qg7+
              • 3...Kc5
                • 4.Qa7#
              • 3...Be5
                • 4.Qa7#
      • 1...Sxe2
        • 2.Ra8
          • threat
            • 3.Qa7#
          • 2...Kc5
            • 3.Rc7+
              • 3...Kd4
                • 4.Qa7#
              • 3...Kxb5
                • 4.Bd7#
                • 4.Ra5#
                • 4.Qa5#
                • 4.Qa6#
            • 3.Qa7+
              • 3...Kxb5
                • 4.Bd7#
          • 2...Bxf4
            • 3.Qa7+
              • 3...Ke5
                • 4.Qg7#
          • 2...Sxf4
            • 3.Qa7+
              • 3...Ke5
                • 4.Qg7#
      • 1...Bf2
        • 2.Ra8
          • threat
            • 3.Qa7#
          • 2...Kc5
            • 3.Rc7+
              • 3...Kd4
                • 4.Qa7#
              • 3...Kxb5
                • 4.Bd7#
                • 4.Ra5#
                • 4.Qa5#
                • 4.Qa6#
            • 3.Qa7+
              • 3...Kxb5
                • 4.Bd7#

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).