Problem Display
PID: 13159 (1K3B2/8/3N2p1/3p4/p2k4/1p3Q2/8/b7 w - - 0 1)

Bull, Cecil Alfred Lucas

Columbia Chess Chronicle, 1888

1K3B2/8/3N2p1/3p4/p2k4/1p3Q2/8/b7

#3

4 + 6


SOLUTION


  • SOUND
  • Sets
    • 1...Ke5
      • 2.Qe3+
        • 2...Kf6
          • 3.Qe7#
  • Tries
    • 1.Kc7?
      • threat
        • 2.Qe2
          • threat
            • 3.Sb5#
          • 2...Kc3
            • 3.Sb5#
          • 2...Kc5
            • 3.Sb5#
            • 3.Sf5#
      • 1...Ke5
        • 2.Bg7+
          • 2...Ke6
            • 3.Qf7#
        • 2.Qe3+
          • 2...Kf6
            • 3.Qe7#
      • 1...Bc3
        • 2.Bg7+
          • 2...Kc5
            • 3.Qxc3#
      • 1...b2
        • 2.Bg7+
          • 2...Kc5
            • 3.Qa3#
            • 3.Qc3#
      • 1...Kc5!
    • 1.Sb5+?
      • 1...Kc4
        • 2.Qe2#
        • 2.Qf1#
      • 1...Ke5!
    • 1.Qe2?
      • threat
        • 2.Sb5#
      • 1...Kc3
        • 2.Sb5#
      • 1...Kc5!
  • Keys
    • 1.Kb7!
      • threat
        • 2.Qe2
          • threat
            • 3.Sb5#
          • 2...Kc3
            • 3.Sb5#
          • 2...Kc5
            • 3.Sb5#
            • 3.Sf5#
      • 1...Kc5
        • 2.Sb5+
          • 2...Kc4
            • 3.Qe2#
            • 3.Qf1#
          • 2...Kxb5
            • 3.Qxd5#
      • 1...Ke5
        • 2.Qe3+
          • 2...Kf6
            • 3.Qe7#
      • 1...Bc3
        • 2.Qe2
          • threat
            • 3.Sb5#
          • 2...Kc5
            • 3.Sb5#
            • 3.Sf5#
      • 1...b2
        • 2.Bg7+
          • 2...Kc5
            • 3.Qa3#

This is a version

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).