Problem Display
PID: 90542 (5K2/8/8/2P5/5Bb1/8/P2Q4/rk6 w - - 0 1)

Ahlheim, Karl-Heinz

Die Schwalbe, 1968

5K2/8/8/2P5/5Bb1/8/P2Q4/rk6

#4

5 + 3


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Keys
    • 1.c6!
      • threat
        • 2.Qc1+
          • 2...Kxa2
            • 3.Qc2+
              • 3...Ka3
                • 4.Bd6#
        • 2.Qd3+
          • 2...Kxa2
            • 3.Qc2+
              • 3...Ka3
                • 4.Bd6#
      • 1...Bd1
        • 2.Qxd1+
          • 2...Kxa2
            • 3.Qc2+
              • 3...Ka3
                • 4.Bd6#
      • 1...Bf5
        • 2.Qb4+
          • 2...Kxa2
            • 3.Be5
              • threat
                • 4.Qb2#
              • 3...Rb1
                • 4.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).