Problem Display
PID: 38515 (5K2/k7/B7/3b4/1Bp5/8/8/Q7 w - - 0 1)

Kubbel, Leonid Ivanovich (AKA Kubbel, Karl Artur Leonid)

Deutsches Wochenschach, 1908

5K2/k7/B7/3b4/1Bp5/8/8/Q7

#3

4 + 3


3296 Shakhmatny zadachi miniaturi 1987

SOLUTION


  • SOUND
  • Sets
    • 1...Ba8
      • 2.Bc5+
        • 2...Kb8
          • 3.Qe5#
  • Tries
    • 1.Bc5+?
      • 1...Kb8
        • 2.Qe5+
          • 2...Ka8
            • 3.Qe8#
      • 1...Ka8!
    • 1.Bc8+?
      • 1...Kb6
        • 2.Qa5+
          • 2...Kc6
            • 3.Qc5#
      • 1...Kb8!
    • 1.Qd4+?
      • 1...Ka8
        • 2.Qxd5+
          • 2...Ka7
            • 3.Qb7#
          • 2...Kb8
            • 3.Qb7#
      • 1...Kb8
        • 2.Qxd5
          • threat
            • 3.Qb7#
          • 2...Ka7
            • 3.Qb7#
          • 2...Kc7
            • 3.Qd6#
      • 1...Kxa6!
  • Keys
    • 1.Qa5!
      • threat
        • 2.Bc5+
          • 2...Ka8
            • 3.Qd8#
          • 2...Kb8
            • 3.Qd8#
      • 1...Ka8
        • 2.Qxd5+
          • 2...Ka7
            • 3.Qb7#
          • 2...Kb8
            • 3.Qb7#
      • 1...Kb8
        • 2.Bd6+
          • 2...Ka7
            • 3.Bc8#
          • 2...Ka8
            • 3.Bc8#
        • 2.Qxd5
          • threat
            • 3.Qb7#
          • 2...Ka7
            • 3.Qb7#
          • 2...Kc7
            • 3.Qd6#
      • 1...Be6
        • 2.Bd6
          • threat
            • 3.Bc8#
          • 2...Ka8
            • 3.Bc8#
          • 2...Bc8
            • 3.Bxc8#
      • 1...Bb7
        • 2.Qc7
          • threat
            • 3.Qxb7#
          • 2...Kxa6
            • 3.Qa5#
          • 2...Ka8
            • 3.Qxb7#
      • 1...Ba8
        • 2.Bc5+
          • 2...Kb8
            • 3.Qd8#

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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).