Problem Display
PID: 227271 (4k3/1N5K/2pB4/6N1/8/8/8/3B4 w - - 0 1)

Wurzburg, Otto

US Problem Bulletin, 1985

4k3/1N5K/2pB4/6N1/8/8/8/3B4

#3

5 + 2


SOLUTION


  • SOUND
  • Sets
    • 1...c5
      • 2.Ba4#
  • Tries
    • 1.Kg6?
      • 1...c5
        • 2.Ba4#
      • 1...Kd7!
    • 1.Kh6?
      • 1...c5
        • 2.Ba4#
      • 1...Kd7!
    • 1.Kg7?
      • 1...c5
        • 2.Ba4#
      • 1...Kd7!
    • 1.Kg8?
      • 1...c5
        • 2.Ba4#
      • 1...Kd7!
    • 1.Kh8?
      • 1...c5
        • 2.Ba4#
      • 1...Kd7!
    • 1.Bc2?
      • 1...c5
        • 2.Ba4#
      • 1...Kd7!
    • 1.Be2?
      • 1...c5
        • 2.Bb5#
      • 1...Kd7!
    • 1.Bb3?
      • 1...c5
        • 2.Ba4#
      • 1...Kd7!
    • 1.Bf3?
      • threat
        • 2.Bxc6#
      • 1...c5
        • 2.Bc6#
      • 1...Kd7!
  • Keys
    • 1.Se4!
      • 1...Kd7
        • 2.Sec5+
          • 2...Kc8
            • 3.Bg4#
          • 2...Ke8
            • 3.Bh5#
      • 1...Kf7
        • 2.Bb3+
          • 2...Ke8
            • 3.Sf6#
      • 1...c5
        • 2.Ba4+
          • 2...Kf7
            • 3.Sd8#

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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).