Guitar chords: D thirteenth (flat ninth)
D13(b9)

X
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~~~~~~
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||1-1| 4th fret
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|2|3||
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||||||
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|||||4
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||||||
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 DFCEB
  # b

or:

======
~~~~~~
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|||1-1 8th fret
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|22|||
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3|||4|
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||||||
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DFBEAC
 # b

Notes:
1 : D
3 : F#
5 : A
b7: C
b9: Eb
13: B
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