Problem Display
PID: 211957 (3r4/1B4p1/1ppr2pP/1Npk1p2/bB2RP2/P5P1/n2pP1KN/6Q1 w - - 0 1)

Szirmay, Janos

Illustrirte Zeitung, 1866

3r4/1B4p1/1ppr2pP/1Npk1p2/bB2RP2/P5P1/n2pP1KN/6Q1

#4

12 + 12


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Sf1!
      • threat
        • 2.Sc7+
          • 2...Kxe4
            • 3.Qe3#
      • 1...Kxe4
        • 2.Qe3+
          • 2...Kd5
            • 3.Sxd2
              • threat
                • 4.Sc7#
                • 4.Qe5#
              • 3...Re6
                • 4.Qd3#
      • 1...Bxb5
        • 2.Qd4+
          • 2...cxd4
            • 3.Re5+
              • 3...Kc4
                • 4.Sxd2#
      • 1...fxe4
        • 2.Qd4+
          • 2...Ke6
            • 3.Sc7+
              • 3...Kf5
                • 4.Se3#
              • 3...Kd7
                • 4.Qxg7#
              • 3...Ke7
                • 4.Qxg7#
              • 3...Kf7
                • 4.Qxg7#
          • 2...cxd4
            • 3.Sc7+
              • 3...Kc4
                • 4.Sxd2#
      • 1...d1S
        • 2.Qd4+
          • 2...cxd4
            • 3.Re5+
              • 3...Kc4
                • 4.Sd2#
        • 2.Sd2
          • threat
            • 3.Sc7#
            • 3.Re5#
          • 2...Se3+
            • 3.Qxe3
              • threat
                • 4.Sc7#
                • 4.Re5#
                • 4.Qd3#
          • 2...Re6
            • 3.Rd4+
              • 3...cxd4
                • 4.Sc7#
                • 4.Qxd4#
            • 3.Qd4+
              • 3...cxd4
                • 4.Sc7#
                • 4.Rxd4#
      • 1...Rf6
        • 2.Qd4+
          • 2...cxd4
            • 3.Re5+
              • 3...Kc4
                • 4.Sxd2#
            • 3.Sxd2
              • threat
                • 4.Sc7#
                • 4.Re5#
      • 1...R6d7
        • 2.Qd4+
          • 2...cxd4
            • 3.Re5+
              • 3...Kc4
                • 4.Sxd2#
      • 1...R8d7
        • 2.Qd4+
          • 2...cxd4
            • 3.Re5+
              • 3...Kc4
                • 4.Sxd2#
      • 1...Rc8
        • 2.Qd4+
          • 2...cxd4
            • 3.Re5+
              • 3...Kc4
                • 4.Sxd2#

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).