OGS: Bambú Huryl (10k) - Gustin(12k)

Player name: 
Gustin
Player rank: 
12k
Player color: 
Black
Opponent name: 
Bambú Huryl
Opponent rank: 
10k
Review status: 
reviewed
Reviewer: 
Review rating: 
Review instructions: 

I want to know how to better reduce white moyo after move 112, I didn't really know what I'm doing, I think I was a little luck to win, I want to know your thoughts about the game, what areas I need to improve.

Thank you very much

Game summary: 

Hi Gustin,
My name is Leo and I play as 3k on KGS. I will have a look at your game and leave some comments to provide you with some ideas how to improve your game.

Summary:

Up to move 14 everthing looked okay. Both players played many moves on the 4th line. After a minor mistake by Black White attached at the upper right with move 18. This was neither strategically (White already had a weak group and created another one) nor tactically (I don't think this attach is a good way to approach this corner formation) a good move. A fight started and Black got some profit at the upper left but also a weak group on the lower left.

Unfortunately he missed to strengthen this group in time so White got a chance to seriously attack with move 56. Although Black made a mistake in this fight (move 61) due to good reading he found a way to connect his groups and got very strong with move 63. The board was split: The upper part was dominated by Black the lower part was White's zone of influence.

Next White invaded Black's upper area. And as Black played some slack moves found a way to settle his group there (although he missed two chances to "completely destroy" Black's formation) with move 96. After that sequence it was the time for Black to invade White's area. In the following fight it was quite hard for me to follow the game flow so I decided to end my comment here.

This is also because of the fact that I think I already found three important learnings from this game:

1. "Do not play atari!"

Of course there are situations where playing atari is great (to kill your opponent's stones or save your stones or force your opponent's stones into a bad shape etc.) but in many situations playing atari is just not a good choice. It strengthens your opponent's group and leaves weaknesses on your side.

See move 61, move 76 or move 96 to find examples for this.

2. "Do not follow your opponent's hand."

Often you have to react to your opponent's move to prevent a bad local situation. But sometimes your opponent will not play at the most important part of the board. If you can identify these situations you will have a clear advantage if you do not follow your opponents hand (play where your opponent played) but play at the most important area of the board.

To find examples for this please see move 49 and move 65.

3. "Do not help your opponent fix his weaknesses."

One of the worst things you can do is help your opponent fix his weaknesses. This often happens by playing atari or peeping at weak spots. Try to avoid this and instead wait for the right time to fully exploit the weakness.

As an example for this see move 92 or move 112.

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