Problem Display
PID: 79835 (5K2/8/7B/8/8/5b2/P2Q4/rk6 w - - 0 1)

Ahlheim, Karl-Heinz

Die Schwalbe, 1968

5K2/8/7B/8/8/5b2/P2Q4/rk6

#3

4 + 3


SOLUTION


  • SOUND
  • Sets
    • 1...Rxa2
      • 2.Qc1#
    • 1...Bh1
      • 2.Bg7
        • threat
          • 3.Qb2#
        • 2...Rxa2
          • 3.Qd1#
    • 1...Bg2
      • 2.Bg7
        • threat
          • 3.Qb2#
        • 2...Rxa2
          • 3.Qd1#
    • 1...Bd5
      • 2.Bg7
        • threat
          • 3.Qb2#
        • 2...Rxa2
          • 3.Qd1#
    • 1...Bc6
      • 2.Bg7
        • threat
          • 3.Qb2#
        • 2...Rxa2
          • 3.Qd1#
    • 1...Bb7
      • 2.Bg7
        • threat
          • 3.Qb2#
        • 2...Rxa2
          • 3.Qd1#
    • 1...Ba8
      • 2.Bg7
        • threat
          • 3.Qb2#
        • 2...Rxa2
          • 3.Qd1#
  • Tries
    • 1.Qd3+?
      • 1...Kb2
        • 2.Qb3#
      • 1...Kxa2!
  • Keys
    • 1.Qb4+!
      • 1...Kxa2
        • 2.Bg7
          • threat
            • 3.Qb2#
          • 2...Rb1
            • 3.Qa4#

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).