The first 24 moves look like they could have been played by a dan level player. However, I think the gremlins got you on move 25.
Moves 25, 27, and 29 were no good for you. The wall that you get is too close to your own stone at Q3. And your corner is still open to invasion at 'a'.
Whereas the 3 stones that white played at the same time ( 26, 28, 30 ) get white a good grip on the large shaded area below:
- Click Here To Show Diagram Code
[go]$$Bcm25
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . . . X . . . . . . . . . . . . . |
$$ | . . . O . . . . . X . . . . . , X . . |
$$ | . . . . . X . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . . O . . . . . . . 6 . . . a . . |
$$ | . . X O ? ? ? ? ? O ? ? O 3 . , . . . |
$$ | . . X O O # ? ? ? ? ? 2 . 5 . X . . . |
$$ | . . X X O ? ? ? ? ? ? 4 1 . . . . . . |
$$ | . . . . . . ? ? ? ? . . . . . . . . . |
$$ ---------------------------------------[/go]
And the aji of the squared stone is greatly compromised.
On the other hand, if you played 25 at Q5 as below, sometime later you can exploit the aji of your stone something like below:
- Click Here To Show Diagram Code
[go]$$c
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . . . X . . . . . . . . . . . . . |
$$ | . . . O . . . . . X . . . . . , X . . |
$$ | . . . . . X . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . . O . . 5 . . . . . . . B . . . |
$$ | . . X O . . . . . O . . O . . , . . . |
$$ | . . X O O X . . 3 4 . . . . . X . . . |
$$ | . . X X O 1 . . . . . . . . . . . . . |
$$ | . . . . 2 . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
And at this point it is not clear whose group is in more danger.