Problem Display
PID: 35096 (8/5K2/P7/3k4/3N4/3pP3/8/4Q3 w - - 0 1)

Loyd, Sam

3rd Prize=, Detroit Free Press, 1879

8/5K2/P7/3k4/3N4/3pP3/8/4Q3

#4

5 + 2


4331 Schachminiaturen II 1903
5206 Sam Loyd and His Chess Problems 1913

SOLUTION


  • SOUND
  • Keys
    • 1.Qd2!
      • 1...Kc4
        • 2.Qa5
          • 2...d2
            • 3.Qb5+
              • 3...Kc3
                • 4.Qb3#
      • 1...Ke4
        • 2.Ke7
          • 2...Kd5
            • 3.Qxd3
              • 3...Kc5
                • 4.Qb5#
              • 3...Ke5
                • 4.Sf3#
                • 4.Sc6#
                • 4.Qf5#
          • 2...Ke5
            • 3.Qa2
              • threat
                • 4.Qe6#
              • 3...Ke4
                • 4.Qe6#
      • 1...Kc5
        • 2.Qc3+
          • 2...Kd5
            • 3.Qc6+
              • 3...Ke5
                • 4.Qe6#
          • 2...Kb6
            • 3.Qc6+
              • 3...Ka5
                • 4.Qb5#
              • 3...Ka7
                • 4.Qb7#
          • 2...Kd6
            • 3.Qc6+
              • 3...Ke5
                • 4.Qe6#
      • 1...Ke5
        • 2.Qg2
          • threat
            • 3.Qc6
              • 3...d2
                • 4.Qe6#
          • 2...Kd6
            • 3.Qc6+
              • 3...Ke5
                • 4.Qe6#
          • 2...d2
            • 3.Qc6
              • threat
                • 4.Qe6#
      • 1...Kd6
        • 2.Qc1
          • threat
            • 3.Qc6+
              • 3...Ke5
                • 4.Qe6#
          • 2...Kd5
            • 3.Qc6+
              • 3...Ke5
                • 4.Qe6#
          • 2...Ke5
            • 3.Qc6
              • 3...d2
                • 4.Qe6#
          • 2...Kd7
            • 3.Qc6+
              • 3...Kd8
                • 4.Se6#
            • 3.Sb5
              • threat
                • 4.Qc7#
              • 3...Kd8
                • 4.Qc7#
        • 2.Qc3
          • threat
            • 3.Qc6+
              • 3...Ke5
                • 4.Qe6#
          • 2...Kd5
            • 3.Qc6+
              • 3...Ke5
                • 4.Qe6#
          • 2...Ke5
            • 3.Qc6
              • 3...d2
                • 4.Qe6#
          • 2...Kd7
            • 3.Qc6+
              • 3...Kd8
                • 4.Se6#
            • 3.Sb5
              • threat
                • 4.Qc7#
              • 3...Kd8
                • 4.Qc7#

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).