Problem Display
PID: 209792 (N3RK2/2pp3p/p1Nkp2P/P3RpP1/2Bp4/P2P1Pp1/3P2P1/8 w - - 0 1)

Romeyn, John C

Dubuque Chess Journal, 1873

N3RK2/2pp3p/p1Nkp2P/P3RpP1/2Bp4/P2P1Pp1/3P2P1/8

#4

14 + 9


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Sd8!
      • threat
        • 2.f4
          • 2...c5
            • 3.Re1
              • 3...e5
                • 4.fxe5#
            • 3.Re2
              • 3...e5
                • 4.fxe5#
      • 1...Kxe5
        • 2.Sf7+
          • 2...Kf4
            • 3.Sxc7
              • 3...e5
                • 4.Sd5#
              • 3...d5
                • 4.Sxe6#
              • 3...d6
                • 4.Sxe6#
      • 1...f4
        • 2.Rf5
          • 2...exf5
            • 3.Re5
              • threat
                • 4.Rd5#
              • 3...Kxe5
                • 4.Sf7#
              • 3...c6
                • 4.Sf7#
          • 2...e5
            • 3.Rf6+
              • 3...Kc5
                • 4.Sb7#
            • 3.Rfxe5
              • threat
                • 4.Rd5#
              • 3...c6
                • 4.Sb7#
                • 4.Sf7#
            • 3.Rexe5
              • threat
                • 4.Rd5#
              • 3...c6
                • 4.Sb7#
                • 4.Sf7#
          • 2...c5
            • 3.Rf6
              • 3...Ke5
                • 4.Sf7#
      • 1...c5
        • 2.Sf7+
          • 2...Kc6
            • 3.Rxc5+
              • 3...Kxc5
                • 4.Rc8#
              • 3...Kb7
                • 4.Rc7#

FEATURES


NOT CLASSIFIED


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).