Problem Display
PID: 40759 (1k6/b7/1p2p1p1/1K6/2pp2p1/1prp4/4n1Q1/7n w - - 0 1)

Daniel, Arthur William

2nd HM. & Sp. Prize, BCF 030. Ty., 1938-1939

1k6/b7/1p2p1p1/1K6/2pp2p1/1prp4/4n1Q1/7n

#4

2 + 13


SOLUTION


  • SOUND
  • Keys
    • 1.Kc6!
      • threat
        • 2.Qxh1
          • threat
            • 3.Qh8#
          • 2...Ka8
            • 3.Kc7#
          • 2...Kc8
            • 3.Qh8#
      • 1...Kc8
        • 2.Qe4
          • threat
            • 3.Qxe6+
              • 3...Kb8
                • 4.Qg8#
                • 4.Qe8#
              • 3...Kd8
                • 4.Qd7#
          • 2...Kb8
            • 3.Qxh1
              • threat
                • 4.Qh8#
              • 3...Ka8
                • 4.Kc7#
              • 3...Kc8
                • 4.Qh8#
          • 2...Kd8
            • 3.Qxe6
              • threat
                • 4.Qd7#
          • 2...Bb8
            • 3.Qxe6+
              • 3...Kd8
                • 4.Qd7#
          • 2...Sf4
            • 3.Qxf4
              • threat
                • 4.Qc7#
                • 4.Qf8#
              • 3...Kd8
                • 4.Qf8#
          • 2...e5
            • 3.Qd5
              • threat
                • 4.Qg8#
              • 3...Kb8
                • 4.Qg8#
                • 4.Qd8#
      • 1...Rc1
        • 2.Qh2+
          • 2...Ka8
            • 3.Qc7
              • threat
                • 4.Qb7#
            • 3.Qh7
              • threat
                • 4.Qb7#
              • 3...Kb8
                • 4.Qg8#
                • 4.Qb7#
                • 4.Qh8#
      • 1...Sf2
        • 2.Qh2+
          • 2...Ka8
            • 3.Qc7
              • threat
                • 4.Qb7#
            • 3.Qh7
              • threat
                • 4.Qb7#
              • 3...Kb8
                • 4.Qg8#
                • 4.Qb7#
                • 4.Qh8#
      • 1...Shg3
        • 2.Qh2
          • threat
            • 3.Qh8#
          • 2...Ka8
            • 3.Qh7
              • threat
                • 4.Qb7#
              • 3...Kb8
                • 4.Qg8#
                • 4.Qb7#
                • 4.Qh8#
      • 1...Sg1
        • 2.Qh2+
          • 2...Ka8
            • 3.Qc7
              • threat
                • 4.Qb7#
            • 3.Qh7
              • threat
                • 4.Qb7#
              • 3...Kb8
                • 4.Qg8#
                • 4.Qb7#
                • 4.Qh8#
      • 1...Seg3
        • 2.Qh2
          • threat
            • 3.Qh8#
          • 2...Ka8
            • 3.Qh7
              • threat
                • 4.Qb7#
              • 3...Kb8
                • 4.Qg8#
                • 4.Qb7#
                • 4.Qh8#
      • 1...Sf4
        • 2.Qh2
          • threat
            • 3.Qh8#
          • 2...Ka8
            • 3.Qh7
              • threat
                • 4.Qb7#
              • 3...Kb8
                • 4.Qg8#
                • 4.Qb7#
                • 4.Qh8#
      • 1...d2
        • 2.Qh2+
          • 2...Ka8
            • 3.Qc7
              • threat
                • 4.Qb7#
            • 3.Qh7
              • threat
                • 4.Qb7#
              • 3...Kb8
                • 4.Qg8#
                • 4.Qb7#
                • 4.Qh8#
      • 1...g3
        • 2.Qxh1
          • threat
            • 3.Qh8#
          • 2...Ka8
            • 3.Kc7+
              • 3...g2
                • 4.Qxg2#
            • 3.Qh7
              • threat
                • 4.Qb7#
              • 3...Kb8
                • 4.Qg8#
                • 4.Qb7#
                • 4.Qh8#
        • 2.Qh3
          • threat
            • 3.Qh8#
          • 2...Ka8
            • 3.Qh7
              • threat
                • 4.Qb7#
              • 3...Kb8
                • 4.Qg8#
                • 4.Qb7#
                • 4.Qh8#
      • 1...b5
        • 2.Qh2+
          • 2...Ka8
            • 3.Qc7
              • threat
                • 4.Qb7#
            • 3.Qh7
              • threat
                • 4.Qb7#
              • 3...Kb8
                • 4.Qg8#
                • 4.Qb7#
                • 4.Qh8#

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).