Joaz Banbeck wrote:topazg wrote:...if anyone thinks "Hey, that's where I would have moved, why didn't you move at "x"?" I'll explain why I rejected it...
If 'anyone' includes your humble opponents, I'm curious why you rejected 'd'; I thought that it was your best move.
Sure

Basically, I felt "d" didn't do enough of anything. Sure, it's looking after my group, but I think White can too easily fix his groups and remove most of his "future" problems:
$$Bcm67 67B: W 35, B 30
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$$ | . . . . . . . O . . . . . . . . . . . |
$$ | . X X O O . O X . . . . . . . . . . . |
$$ | . X O O . O X X . . . . . . O X . . . |
$$ | . X X O O X O X . X . O . . O , X . . |
$$ | X X O X . X O O X . . . . . . . . . . |
$$ | . O O X . . . O . . X . O . . X . . . |
$$ | . . O X . . X . O . . . . . . . . . . |
$$ | . . O X . . . . . . X . . . . . . . . |
$$ | . . O X . . . . O . . 1 . . . . . . . |
$$ | . X X O X . X . . O . . . . . , . . . |
$$ | . O O O . . . . . . . . . . . . . . . |
$$ | . . . . . X . . . 2 . . . . . . . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . . . X . . . . . . . . . . . . . |
$$ | . . X . X . . . . . . . . . . . . . . |
$$ | . . . , . O . . . , . . . . . O . . . |
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$$ ---------------------------------------
- Click Here To Show Diagram Code
[go]$$Bcm67 67B: W 35, B 30
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$$ | . . . . . . . O . . . . . . . . . . . |
$$ | . X X O O . O X . . . . . . . . . . . |
$$ | . X O O . O X X . . . . . . O X . . . |
$$ | . X X O O X O X . X . O . . O , X . . |
$$ | X X O X . X O O X . . . . . . . . . . |
$$ | . O O X . . . O . . X . O . . X . . . |
$$ | . . O X . . X . O . . . . . . . . . . |
$$ | . . O X . . . . . . X . . . . . . . . |
$$ | . . O X . . . . O . . 1 . . . . . . . |
$$ | . X X O X . X . . O . . . . . , . . . |
$$ | . O O O . . . . . . . . . . . . . . . |
$$ | . . . . . X . . . 2 . . . . . . . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . . . X . . . . . . . . . . . . . |
$$ | . . X . X . . . . . . . . . . . . . . |
$$ | . . . , . O . . . , . . . . . O . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
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68 here makes White so happy, I couldn't see any good way of following it up with an attack on the top group. Also, now Black's left middle group is wondering slightly about cuts (and really doesn't want to slide into the lower left corner as it's horribly aji-keshi) and the lower edge has an uncomfortable number of White stones around.
No end of josekis (especially double pincer josekis) use the principle of borrowing strength to attack (contacting on one side to attack the other), so if I really wanted to break out and attack the top right group, I'd probably play as follows:
$$Bcm67 67B: W 35, B 30
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$$ | . . . . . . . O . . . . . . . . . . . |
$$ | . X X O O . O X . . . . . . . . . . . |
$$ | . X O O . O X X . . . . . . O X . . . |
$$ | . X X O O X O X . X . O . . O , X . . |
$$ | X X O X . X O O X . . . . . . . c . . |
$$ | . O O X . . . O . . X . O . . X . . . |
$$ | . . O X . . X . O . . . e b . . . . . |
$$ | . . O X . . . . . . X . g . . . . . . |
$$ | . . O X . . . . O . f d . . . . . . . |
$$ | . X X O X . X . . O 1 3 . . . , . . . |
$$ | . O O O . . . . . a 2 . . . . . . . . |
$$ | . . . . . X . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . . . X . . . . . . . . . . . . . |
$$ | . . X . X . . . . . . . . . . . . . . |
$$ | . . . , . O . . . , . . . . . O . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
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$$ ---------------------------------------
- Click Here To Show Diagram Code
[go]$$Bcm67 67B: W 35, B 30
$$ ---------------------------------------
$$ | . . . . . . . O . . . . . . . . . . . |
$$ | . X X O O . O X . . . . . . . . . . . |
$$ | . X O O . O X X . . . . . . O X . . . |
$$ | . X X O O X O X . X . O . . O , X . . |
$$ | X X O X . X O O X . . . . . . . c . . |
$$ | . O O X . . . O . . X . O . . X . . . |
$$ | . . O X . . X . O . . . e b . . . . . |
$$ | . . O X . . . . . . X . g . . . . . . |
$$ | . . O X . . . . O . f d . . . . . . . |
$$ | . X X O X . X . . O 1 3 . . . , . . . |
$$ | . O O O . . . . . a 2 . . . . . . . . |
$$ | . . . . . X . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . . . X . . . . . . . . . . . . . |
$$ | . . X . X . . . . . . . . . . . . . . |
$$ | . . . , . O . . . , . . . . . O . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
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$$ ---------------------------------------[/go]
Now "a" is very painful, and "b" is likely to be sente against that group, forcing it to live small at the top and giving Black good development potential on the right. I nearly played this sequence, it was certainly my second choice. Leaning on the other group to attack White's middle group didn't seem possible, it seemed too far away to guarantee any sense of strong sente, and Black may give White enough thickness to hit at "c", which is obviously very undesirable. In the end, I figure by hitting the middle group from the lower side, you'll have to run, inducing Black to attack the top right group anyway, and giving Black better prospects in the lower middle of the board. In essence "d" is a move just to escape and live, and such things are earning 0 points and feel very uncomfortable. If it has to be played, it gets played, otherwise I want to do something that forces White to be a bit more uncomfortable and try to live at the same time.
The only thing that I felt had to be read out before playing it was being sealed in. If White can play at "d" and seal Black in, Black's in a bit of trouble, but I can't see a way of preventing Black from getting "e" (followed by White "b"), after which Black can push and cut with "f" if he has to, or simply extend to "g".
EDIT: In this board position, I'd have played your move 
$$Bcm67 67B: W 35, B 30
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$$ | . . . . . . . O . . . . . . . . . . . |
$$ | . X X O O . O X . . . . . . . . . . . |
$$ | . X O O . O X X . . . W . . O X . . . |
$$ | . X X O O X O X . X . . . . O , X . . |
$$ | X X O X . X O O X . . W . . . . . . . |
$$ | . O O X . . . O . . X . . . . X . . . |
$$ | . . O X . . X . O . . . W . . . . . . |
$$ | . . O X . . . . . . X . . . . . . . . |
$$ | . . O X . . . . O . . 1 . . . . . . . |
$$ | . X X O X . X . . O . . . . . , . . . |
$$ | . O O O . . . . . . . . . . . . . . . |
$$ | . . . . . X . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . . . X . . . . . . . . . . . . . |
$$ | . . X . X . . . . . . . . . . . . . . |
$$ | . . . , . O . . . , . . . . . O . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
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$$ ---------------------------------------
- Click Here To Show Diagram Code
[go]$$Bcm67 67B: W 35, B 30
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$$ | . . . . . . . O . . . . . . . . . . . |
$$ | . X X O O . O X . . . . . . . . . . . |
$$ | . X O O . O X X . . . W . . O X . . . |
$$ | . X X O O X O X . X . . . . O , X . . |
$$ | X X O X . X O O X . . W . . . . . . . |
$$ | . O O X . . . O . . X . . . . X . . . |
$$ | . . O X . . X . O . . . W . . . . . . |
$$ | . . O X . . . . . . X . . . . . . . . |
$$ | . . O X . . . . O . . 1 . . . . . . . |
$$ | . X X O X . X . . O . . . . . , . . . |
$$ | . O O O . . . . . . . . . . . . . . . |
$$ | . . . . . X . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . . . X . . . . . . . . . . . . . |
$$ | . . X . X . . . . . . . . . . . . . . |
$$ | . . . , . O . . . , . . . . . O . . . |
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$$ ---------------------------------------[/go]