Problem Display
PID: 19943 (NN6/8/7p/1nk1p2K/3p4/bP1PR1R1/4P3/Q7 w - - 0 1)

Orlimont, PA (= Ernst Krieger)

Schweizerische Schachzeitung, 1909

NN6/8/7p/1nk1p2K/3p4/bP1PR1R1/4P3/Q7

#4

9 + 6


SOLUTION


  • SOUND
  • Keys
    • 1.Rxe5+!
      • 1...Kb4
        • 2.Rxb5+
          • 2...Kxb5
            • 3.Qxd4
              • threat
                • 4.Qb6#
              • 3...Ka5
                • 4.Qb6#
                • 4.Qa4#
              • 3...Bc5
                • 4.Qa4#
      • 1...Kd6
        • 2.Rge3
          • threat
            • 3.Qf1
              • threat
                • 4.Qf6#
                • 4.Qf8#
            • 3.Qh1
              • threat
                • 4.Rd5#
                • 4.Qd5#
                • 4.Qc6#
          • 2...dxe3
            • 3.d4
              • 3...Sxd4
                • 4.Qxd4#
              • 3...Bc1
                • 4.Qa6#
              • 3...Bb2
                • 4.Qa6#
              • 3...Bb4
                • 4.Qa6#
              • 3...Bc5
                • 4.dxc5#
              • 3...Sc3
                • 4.Qxa3#
              • 3...Sa7
                • 4.Qxa3#
              • 3...Sc7
                • 4.Qxa3#

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).