Hi all, this is my first post here. Attached you'll find a game (I had black) recently played and unfortunately lost. While it's typical for more than one defeat your comments are highly welcome. Personally I felt not bad even with w's center but something happened (probabely around move 98) and I don't know what it was.

Thanks for your help in advance.

Welcome to the forum, HeWa. I posted your game here to make it easier for others to read it. ( If you quote this post - but don't actually submit - you can see the code. Note the use of 'sfg-full' tags. )

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My comments are embedded below. You played better than he did up to move 43, and probably had a won game, but you made major strategic decisions the wrong way at moves 43 and 69.
At move 43, remember the proverb: "Make fist before striking"
At move 69, remember that a cut between two safe groups is meaningless.
At move 98, your problems are the direct result of move 69, and to a lesser extent, of move 43.

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I agree with what Joaz said. I also have a few suggestions of my own.

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We don't know who we are; we don't know where we are.
Each of us woke up one moment and here we were in the darkness.
We're nameless things with no memory; no knowledge of what went before,
No understanding of what is now, no knowledge of what will be.

Thank you very much for your useful advice, your comments will definitely help to improve my game.

By the way, your willingness to help weaker players in general is very impressive. I hope to be able to give back something in the future. It could last a bit before I'll reach a level from which commenting other games will make sense and one or another post by myself will be necessary but I'm looking forward to.