Problem Display
PID: 29022 (n7/p2Q4/3P1B1b/3kp3/3pN3/3P4/1P6/K7 w - - 0 1)

Borders, Reginald W

Bull, Cecil Alfred Lucas

Natal Mercury, 1915

n7/p2Q4/3P1B1b/3kp3/3pN3/3P4/1P6/K7

#4

7 + 6


SOLUTION


  • SOUND
  • Keys
    • 1.Bd8!
      • threat
        • 2.Qb7+
          • 2...Ke6
            • 3.Sc5+
              • 3...Kf5
                • 4.Qe4#
              • 3...Kxd6
                • 4.Be7#
        • 2.b4
          • threat
            • 3.Sf6#
          • 2...Bg5
            • 3.Bxg5
              • threat
                • 4.Sf6#
            • 3.b5
              • threat
                • 4.Qf7#
              • 3...Be7
                • 4.dxe7#
              • 3...Sc7
                • 4.dxc7#
          • 2...Bg7
            • 3.b5
              • threat
                • 4.Qf7#
              • 3...Sc7
                • 4.dxc7#
      • 1...Bf4
        • 2.b4
          • threat
            • 3.Sf6#
          • 2...Bg5
            • 3.Bxg5
              • threat
                • 4.Sf6#
            • 3.b5
              • threat
                • 4.Qf7#
              • 3...Be7
                • 4.dxe7#
              • 3...Sc7
                • 4.dxc7#
      • 1...Bg5
        • 2.Qb7+
          • 2...Ke6
            • 3.Sxg5+
              • 3...Kf5
                • 4.Qe4#
              • 3...Kxd6
                • 4.Be7#
      • 1...Bg7
        • 2.Qb7+
          • 2...Ke6
            • 3.Sc5+
              • 3...Kf5
                • 4.Qe4#
              • 3...Kxd6
                • 4.Be7#
            • 3.Sg5+
              • 3...Kf5
                • 4.Qe4#
              • 3...Kxd6
                • 4.Be7#
      • 1...Bf8
        • 2.Sf6+
          • 2...Kc5
            • 3.Ba5
              • threat
                • 4.b4#
        • 2.b4
          • threat
            • 3.Sf6#
          • 2...Bg7
            • 3.b5
              • threat
                • 4.Qf7#
              • 3...Sc7
                • 4.dxc7#

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).