Problem Display
PID: 213715 (8/1k6/1PN5/1pK1N3/8/8/6B1/8 w - - 0 1)

Caine, Walter Edmund

Chess Amateur (The), 1928

8/1k6/1PN5/1pK1N3/8/8/6B1/8

#3

5 + 2


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Ka8
      • 2.Sa7+
        • 2...Kb8
          • 3.Sd7#
      • 2.Se7+
        • 2...Kb8
          • 3.Sd7#
  • Tries
    • 1.Kxb5?
      • threat
        • 2.Sa7+
          • 2...Kb8
            • 3.Sd7#
        • 2.Se7+
          • 2...Kb8
            • 3.Sd7#
      • 1...Ka8
        • 2.Sd7
          • 2...Kb7
            • 3.Sa7#
            • 3.Se7#
        • 2.Sa7+
          • 2...Kb8
            • 3.Sd7#
        • 2.Se7+
          • 2...Kb8
            • 3.Sd7#
      • 1...Kc8!
    • 1.Sc4?
      • 1...Ka8
        • 2.S4a5
          • 2...b4
            • 3.b7#
        • 2.Sd6
          • 2...b4
            • 3.b7#
      • 1...Kc8
        • 2.Sd6+
          • 2...Kd7
            • 3.Bh3#
      • 1...b4
        • 2.S4a5+
          • 2...Ka6
            • 3.Bf1#
          • 2...Ka8
            • 3.b7#
          • 2...Kc8
            • 3.Bh3#
        • 2.Sd6+
          • 2...Ka6
            • 3.Bf1#
          • 2...Ka8
            • 3.b7#
      • 1...bxc4!
    • 1.Sa5+?
      • 1...Ka6
        • 2.Sec6
          • 2...b4
            • 3.Bf1#
      • 1...Kb8
        • 2.Sec6+
          • 2...Ka8
            • 3.b7#
          • 2...Kc8
            • 3.Bh3#
        • 2.Bb7
          • 2...b4
            • 3.Sec6#
            • 3.Sd7#
      • 1...Kc8!
    • 1.Sa7+?
      • 1...Kb8
        • 2.Sd7#
      • 1...Ka6!
    • 1.Se7+?
      • 1...Kb8
        • 2.Sd7#
      • 1...Ka6!
    • 1.Sd8+?
      • 1...Ka6
        • 2.Sec6
          • 2...b4
            • 3.Bf1#
      • 1...Kb8
        • 2.Sec6+
          • 2...Ka8
            • 3.b7#
          • 2...Kc8
            • 3.Bh3#
        • 2.Bb7
          • 2...b4
            • 3.Sec6#
            • 3.Sd7#
      • 1...Kc8!
    • 1.Bh3?
      • 1...Ka8
        • 2.Bc8
          • 2...b4
            • 3.b7#
      • 1...b4!
  • Keys
    • 1.Sf7!
      • 1...Ka6
        • 2.Sd6
          • 2...b4
            • 3.Bf1#
        • 2.Sfd8
          • 2...b4
            • 3.Bf1#
      • 1...Ka8
        • 2.Sd6
          • 2...b4
            • 3.b7#
        • 2.Sfd8
          • 2...b4
            • 3.b7#
      • 1...Kc8
        • 2.Sd6+
          • 2...Kd7
            • 3.Bh3#
      • 1...b4
        • 2.Sd6+
          • 2...Ka6
            • 3.Bf1#
          • 2...Ka8
            • 3.b7#
        • 2.Sfd8+
          • 2...Ka6
            • 3.Bf1#
          • 2...Ka8
            • 3.b7#
          • 2...Kc8
            • 3.Bh3#

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).