Problem Display
PID: 176677 (B2B4/4p3/k1N1N3/8/8/1K6/8/8 w - - 0 1)

Freistadt, Heinrich

Schach-Echo, 1943

B2B4/4p3/k1N1N3/8/8/1K6/8/8

#3

5 + 2


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Sets
    • 1...Kb5
      • 2.Ba5
        • 2...Ka6
          • 3.Sc7#
  • Tries
    • 1.Sb4+?
      • 1...Kb5
        • 2.Bc6#
      • 1...Ka7!
    • 1.Sb8+?
      • 1...Kb5
        • 2.Bc6#
      • 1...Ka7!
    • 1.Bb7+?
      • 1...Kb5
        • 2.Scd4#
        • 2.Sa7#
      • 1...Kxb7!
    • 1.Bb6?
      • threat
        • 2.Bg1
          • 2...Kb5
            • 3.Sc7#
        • 2.Bf2
          • 2...Kb5
            • 3.Sc7#
        • 2.Be3
          • 2...Kb5
            • 3.Sc7#
        • 2.Bd4
          • 2...Kb5
            • 3.Sc7#
        • 2.Ba7
          • 2...Kb5
            • 3.Sc7#
      • 1...Kb5
        • 2.Bg1
          • 2...Ka6
            • 3.Sc7#
        • 2.Bf2
          • 2...Ka6
            • 3.Sc7#
        • 2.Be3
          • 2...Ka6
            • 3.Sc7#
        • 2.Bd4
          • 2...Ka6
            • 3.Sc7#
        • 2.Ba5
          • 2...Ka6
            • 3.Sc7#
        • 2.Bc5
          • 2...Ka6
            • 3.Sc7#
        • 2.Ba7
          • 2...Ka6
            • 3.Sc7#
      • 1...Kxb6!
    • 1.Bxe7?
      • 1...Kb5
        • 2.Bc5
          • 2...Ka6
            • 3.Sc7#
      • 1...Kb6!
  • Keys
    • 1.Bc7!
      • 1...Kb5
        • 2.Ba5
          • 2...Ka6
            • 3.Sc7#

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).