Problem Display
PID: 148389 (5K2/4N3/p7/N1k2P2/p6P/r2p4/6p1/3Q3n w - - 0 1)

Shinkman, William Anthony

British Chess Magazine, 1901

5K2/4N3/p7/N1k2P2/p6P/r2p4/6p1/3Q3n

#4

6 + 7


SOLUTION


  • SOUND
  • Keys
    • 1.Qe1!
      • threat
        • 2.Qe5+
          • 2...Kb4
            • 3.Sec6#
          • 2...Kb6
            • 3.Sc8#
      • 1...Kb6
        • 2.Qe3+
          • 2...Kb5
            • 3.Qe5+
              • 3...Kb4
                • 4.Sec6#
              • 3...Kb6
                • 4.Sc8#
          • 2...Kc7
            • 3.Qa7+
              • 3...Kd6
                • 4.Sc4#
              • 3...Kd8
                • 4.Sac6#
      • 1...Kd6
        • 2.Qe6+
          • 2...Kc5
            • 3.Qe5+
              • 3...Kb4
                • 4.Sec6#
              • 3...Kb6
                • 4.Sc8#
          • 2...Kc7
            • 3.Qc6+
              • 3...Kb8
                • 4.Qb7#
              • 3...Kd8
                • 4.Sb7#
                • 4.Qd6#
                • 4.Qc8#
      • 1...Rc3
        • 2.Qxc3+
          • 2...Kb5
            • 3.Sd5
              • threat
                • 4.Qb4#
          • 2...Kb6
            • 3.Qc6+
              • 3...Kxa5
                • 4.Qc5#
              • 3...Ka7
                • 4.Qb7#
          • 2...Kd6
            • 3.Sb7+
              • 3...Kd7
                • 4.Qc6#
                • 4.Qc8#
            • 3.Ke8
              • threat
                • 4.Sb7#
      • 1...Ra1
        • 2.Qe5+
          • 2...Kb4
            • 3.Sec6+
              • 3...Ka3
                • 4.Qxa1#
      • 1...Ra2
        • 2.Qe5+
          • 2...Kb4
            • 3.Sec6+
              • 3...Ka3
                • 4.Qc3#
      • 1...Rb3
        • 2.Qe5+
          • 2...Kb4
            • 3.Sec6+
              • 3...Ka3
                • 4.Qa1#

This is a version of 210010

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).