Problem Display
PID: 32246 (1K4b1/4B1Np/4N2P/4k3/6p1/6P1/8/7Q w - - 0 1)

Bull, Cecil Alfred Lucas

Natal Mercury, 1917

1K4b1/4B1Np/4N2P/4k3/6p1/6P1/8/7Q

#3

7 + 4


756 Norsk Sjakkblad 1919
133 The Problemist Supplement 2007

SOLUTION


  • SOUND
  • Tries
    • 1.Sc5?
      • threat
        • 2.Qe4#
      • 1...Bd5
        • 2.Qa1#
      • 1...Kd4!
    • 1.Sg5?
      • threat
        • 2.Qe4#
      • 1...Bd5
        • 2.Qa1#
      • 1...Kd4!
    • 1.Bd6+?
      • 1...Kf6
        • 2.Qh5
          • threat
            • 3.Qf5#
          • 2...Bxe6
            • 3.Se8#
      • 1...Kxd6!
    • 1.Bf6+?
      • 1...Kd6
        • 2.Kb7
          • threat
            • 3.Qc6#
            • 3.Qd1#
          • 2...Kd7
            • 3.Qd5#
            • 3.Qc6#
            • 3.Qd1#
      • 1...Kxf6!
    • 1.Qd1?
      • threat
        • 2.Qd4#
      • 1...Ke4
        • 2.Sg5+
          • 2...Ke3
            • 3.Bc5#
          • 2...Ke5
            • 3.Qd6#
      • 1...Bxe6!
  • Keys
    • 1.Se8!
      • 1...Kf5
        • 2.S6g7+
          • 2...Ke5
            • 3.Bf6#
          • 2...Kg6
            • 3.Qh5#
      • 1...Kxe6
        • 2.Qe4+
          • 2...Kd7
            • 3.Sf6#
          • 2...Kf7
            • 3.Sd6#
      • 1...Bxe6
        • 2.Bf6+
          • 2...Kf5
            • 3.Qb1#
      • 1...Bf7
        • 2.Sf6
          • threat
            • 3.Qe4#
            • 3.Qd5#
          • 2...Kf5
            • 3.Qe4#
          • 2...Kxe6
            • 3.Qe4#

FEATURES


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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).