Problem Display
PID: 209765 (4R3/n3p3/K2bppp1/Q6p/2pkP3/P6P/4P1R1/N4B2 w - - 0 1)

Gold, Samuel

Dubuque Chess Journal, 1873

4R3/n3p3/K2bppp1/Q6p/2pkP3/P6P/4P1R1/N4B2

#4

10 + 9


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Qc3+!
      • 1...Kxc3
        • 2.e3
          • threat
            • 3.Rc2#
          • 2...Bxa3
            • 3.Rc2+
              • 3...Kb4
                • 4.Rxc4#
      • 1...Kxe4
        • 2.Rg5
          • threat
            • 3.Bg2+
              • 3...Kf4
                • 4.Qd2#
                • 4.Qc1#
                • 4.Qg3#
            • 3.Qf3+
              • 3...Kd4
                • 4.Sc2#
          • 2...Kf4
            • 3.Qd2+
              • 3...Ke4
                • 4.Bg2#
          • 2...fxg5
            • 3.Bg2+
              • 3...Kf4
                • 4.Rf8#
              • 3...Kf5
                • 4.Rf8#
          • 2...f5
            • 3.Bg2+
              • 3...Kf4
                • 4.Qg3#
      • 1...Kc5
        • 2.Qe3+
          • 2...Kc6
            • 3.Qb6+
              • 3...Kd7
                • 4.Rd8#
        • 2.Qxc4+
          • 2...Kxc4
            • 3.e3+
              • 3...Kc3
                • 4.Rc2#
              • 3...Kc5
                • 4.Rc2#

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).