Problem Display
PID: 133297 (8/kB1P4/2P5/B7/8/6p1/6Pp/7K w - - 0 1)

Morawski, J

La Strategie, 1878

8/kB1P4/2P5/B7/8/6p1/6Pp/7K

#3

6 + 3


1829 The Theory of Pawn Promotion 1912

SOLUTION


  • SOUND
  • Sets
    • 1...Kb8
      • 2.d8Q+
        • 2...Ka7
          • 3.Bb6#
          • 3.Qa8#
      • 2.d8R+
        • 2...Ka7
          • 3.Ra8#
  • Tries
    • 1.Bd2?
      • threat
        • 2.Be3+
          • 2...Kb8
            • 3.d8Q#
      • 1...Kb8
        • 2.d8Q+
          • 2...Ka7
            • 3.Be3#
        • 2.d8R+
          • 2...Ka7
            • 3.Be3#
          • 2...Kc7
            • 3.Ba5#
      • 1...Kb6!
    • 1.Bc3?
      • threat
        • 2.Bd4+
          • 2...Kb8
            • 3.d8Q#
      • 1...Kb8
        • 2.d8Q+
          • 2...Ka7
            • 3.Bd4#
        • 2.d8R+
          • 2...Ka7
            • 3.Bd4#
          • 2...Kc7
            • 3.Ba5#
      • 1...Kb6!
    • 1.Bb4?
      • threat
        • 2.Bc5+
          • 2...Kb8
            • 3.d8Q#
      • 1...Kb8
        • 2.d8Q+
          • 2...Ka7
            • 3.Bc5#
        • 2.d8R+
          • 2...Ka7
            • 3.Bc5#
          • 2...Kc7
            • 3.Ba5#
      • 1...Kb6!
    • 1.Bb6+?
      • 1...Kb8
        • 2.d8Q#
        • 2.d8R#
      • 1...Kxb6!
    • 1.Ba6?
      • threat
        • 2.d8Q
          • 2...Kxa6
            • 3.Qb6#
      • 1...Ka8
        • 2.Bb6
          • 2...Kb8
            • 3.d8Q#
            • 3.d8R#
      • 1...Kb8
        • 2.Bb6
          • 2...Ka8
            • 3.d8Q#
            • 3.d8R#
      • 1...Kxa6!
    • 1.Ba8?
      • threat
        • 2.d8Q
          • 2...Ka6
            • 3.Qb6#
      • 1...Kxa8
        • 2.Bb6
          • 2...Kb8
            • 3.d8Q#
            • 3.d8R#
      • 1...Kb8
        • 2.Bb6
          • 2...Kxa8
            • 3.d8Q#
            • 3.d8R#
      • 1...Ka6!
  • Keys
    • 1.d8B!
      • 1...Kb8
        • 2.Bdc7+
          • 2...Ka7
            • 3.Bab6#

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).