I'd like to comment on the fight on the right side. In your notes you commented that something started to go wrong when Black split your top stones from the right side. This is correct. The crucial point came at

. White and Black had just exchanged

through

below. The question comes up how should White continue here? Obviously White needs to do something about the cutting points, but what? This involves making judgments about the relative value of

,

, and the marked stone (ignoring

as a sacrifice stone, at least for now). In addition, we should consider White's larger term goals. In the game White connected at

. Let's make sure that we understand what this means. By connecting at 8, White is putting priority on the right side, specifically the edge. Now if Black plays "b" there is no threat and no need to answer. Can this possibly the most important point on the board right now or is this just a mistake on White's part? Black continues with

and White has nothing better than

, leading to the center stones being cut off. White 8 was a mistake in direction.
$$Bc What is Important?
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$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . X X O . . . X . . . . O X X . . . . |
$$ | . . . , . O . . . X O O . O . , X . . |
$$ | . . X X O . . . . X X . . . . X . . . |
$$ | . . X O . O . . . . . . O . . X O . . |
$$ | . X O O O . . . . . . . . . . . O . . |
$$ | . . X O . . . . . . . . . . . 0 . . . |
$$ | . . X . . . . . . . . . . . 9 2 . . . |
$$ | . . . , . . . . . , . . . . 5 1 W 8 . |
$$ | . . . . . . . . . . . . . . . 4 3 6 . |
$$ | . . . . . . . . . . . . . . . . 7 b . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . . . . X . O . O . . . . . . . . . |
$$ | . . . O . . . . . , O . . . . , . . . |
$$ | . . . O . X . . X X O . X . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------
- Click Here To Show Diagram Code
[go]$$Bc What is Important?
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . X X O . . . X . . . . O X X . . . . |
$$ | . . . , . O . . . X O O . O . , X . . |
$$ | . . X X O . . . . X X . . . . X . . . |
$$ | . . X O . O . . . . . . O . . X O . . |
$$ | . X O O O . . . . . . . . . . . O . . |
$$ | . . X O . . . . . . . . . . . 0 . . . |
$$ | . . X . . . . . . . . . . . 9 2 . . . |
$$ | . . . , . . . . . , . . . . 5 1 W 8 . |
$$ | . . . . . . . . . . . . . . . 4 3 6 . |
$$ | . . . . . . . . . . . . . . . . 7 b . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . . . . X . O . O . . . . . . . . . |
$$ | . . . O . . . . . , O . . . . , . . . |
$$ | . . . O . X . . X X O . X . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
So what happens if White connects at 1 below? Here White values the Q11 stone more highly than the S9 stone. This is far more appropriate than the actual game continuation. If Black tries to push now, White can hane at 3. Black can try pushing from behind but White can resist here with 7. After Black cuts with 8, White can simply play the diagonal move at 9, aiming at both an attack on the marked Black stones with "a" and the cutting point at "b" (note that value of the marked stone). Black can not protect against both threats.
White can even go along with Black and continue with 7 at 8. Black keeps pushing White from behind and can cut White off from the center but only by letting White into the upper right corner.
Clearly the second diagram would have been better for White than the game continuation. White has grasped the idea that the center is more important than the side at this point in the game.
$$Wcm1
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . X X O . . . B . . . . O X X . . . . |
$$ | . . . , . O . . . B O O . O . , X . . |
$$ | . . X X O . . . . B B . . . . X . . . |
$$ | . . X O . O . . . . . . O 7 8 X O . . |
$$ | . X O O O . . . . a . 9 . 6 5 . O . . |
$$ | . . X O . . . . . . . . . 4 3 . . . . |
$$ | . . X . . . . . . . . . . b 2 O 1 . . |
$$ | . . . , . . . . . , . . . . X X O . . |
$$ | . . . . . . . . . . . . . . . W X O . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . . . . X . O . O . . . . . . . . . |
$$ | . . . O . . . . . , O . . . . , . . . |
$$ | . . . O . X . . X X O . X . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------
- Click Here To Show Diagram Code
[go]$$Wcm1
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . X X O . . . B . . . . O X X . . . . |
$$ | . . . , . O . . . B O O . O . , X . . |
$$ | . . X X O . . . . B B . . . . X . . . |
$$ | . . X O . O . . . . . . O 7 8 X O . . |
$$ | . X O O O . . . . a . 9 . 6 5 . O . . |
$$ | . . X O . . . . . . . . . 4 3 . . . . |
$$ | . . X . . . . . . . . . . b 2 O 1 . . |
$$ | . . . , . . . . . , . . . . X X O . . |
$$ | . . . . . . . . . . . . . . . W X O . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . . . . X . O . O . . . . . . . . . |
$$ | . . . O . . . . . , O . . . . , . . . |
$$ | . . . O . X . . X X O . X . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
A little while later you played

below and thought it a very good move. It was. However, when Black answered with

you had to realize that the purpose of the original move was fully realized. You had destroyed Black's eye shape here in sente. The follow-up play had to be in the center. White plays something like

below in order to get full value from

. If Black jumps out with

, White continues in the center with

. White starts to link up the upper and lower side stones while harassing Black. In the game, White "forces" Black to isolate both White's upper side stones and the lower side stones. This was another mistake in direction.
Note that if Black plays "a" at any time, White can answer with "b".
$$Wcm1
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . O . . . . . . . . . |
$$ | . X X O . . . X X O . . O X X . . . . |
$$ | . . . , . O . b . X O O . O . , X . . |
$$ | . . X X O . . 1 2 X X . . . . X . . . |
$$ | . . X O . O . a . . . . O . . X O . . |
$$ | . X O O O . . . 4 . 3 . O X . . O . . |
$$ | . . X O . . . . . . . . . X . O . . . |
$$ | . . X . . . . . . 5 . . . . X O . . . |
$$ | . . . , . . . . . , . . . . X X O O . |
$$ | . . . . . . . . . . . . . . . O X O . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . . . . X . O . O . . . . . . . . . |
$$ | . . . O . . . . . , O . . . . , . . . |
$$ | . . . O . X . . X X O . X . . X . . . |
$$ | . . . . X . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------
- Click Here To Show Diagram Code
[go]$$Wcm1
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . . . . . . O . . . . . . . . . |
$$ | . X X O . . . X X O . . O X X . . . . |
$$ | . . . , . O . b . X O O . O . , X . . |
$$ | . . X X O . . 1 2 X X . . . . X . . . |
$$ | . . X O . O . a . . . . O . . X O . . |
$$ | . X O O O . . . 4 . 3 . O X . . O . . |
$$ | . . X O . . . . . . . . . X . O . . . |
$$ | . . X . . . . . . 5 . . . . X O . . . |
$$ | . . . , . . . . . , . . . . X X O O . |
$$ | . . . . . . . . . . . . . . . O X O . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . . . . X . O . O . . . . . . . . . |
$$ | . . . O . . . . . , O . . . . , . . . |
$$ | . . . O . X . . X X O . X . . X . . . |
$$ | . . . . X . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]