Ok let me try one more game
I see you lost pretty quickly. That may have been disappointing.
Let me show you one of my games where I was black.
Actually this isn't one of my games... it's more like three of my games.
I lost this way 3 times before I decided I'd never lose this way again (f6 is a bad move).
You can be a great player, but to do so requires surviving > 10,000 losses. Some of them humiliating losses. Every top GM has losses like this is his past. Don't let it discourage you
Puzzle situation never exist in games
The exact position will (nearly) never exist in your games.
But root patterns of a tactic happen all the time.
Pay attention to the themes like forks, pins, and discovered checks. You should be thinking in terms of that during your games.
And tactics train you to calculate forcing moves. If one more order doesn't work, you calculate a different move order to see it that works. That is also something you should apply to your games.
Tactics train some basic analysis skills. In a tactic when one move order works, you doubled check it by considering different moves for the other player that might make your solution false. This is also something you should apply to your games.
Can u please check my previous game... Other than last move blunder... What wrong i did in terms of position...cause i had very bad position
In the opening you lost control of the center. The queen's gambit accepted can be sharp so be sure you know some moves. You played 6...Nb4 which loses the knight to the basic tactic 7.Qa4+ If you keep playing this opening that can mean some good lessons in the future, but also consider playing the queen's gambit declined. When white is playing d4 + c4 the queen's gambit declined is just d5 e6 Nf6 Be7 0-0 and at some point in the middlegame you will try to play c5.
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c5 (at some point, not necessarily the opening) is normal in most 1.d4 d5 games actually, so your 4th move 4...Nc6 is... it's not bad but I think it makes the position harder for you to play because it blocks the c pawn. Consider playing, for example, 4...e6 and then 5...c5. This will lead to a more normal kind of position and should be easier to navigate too.
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14...Qxf3 was shows you were very distracted by making threats and capturing material Not many strong players would even consider this move. They would play Be7 and 0-0 without giving it much thought. The f3 pawn is not only weak (you can probably win it later) but it's part of a doubled pair (so capturing it doesn't really change anything). It's like winning half a pawn instead of castling which is silly
Castling, as I'm sure you know, is a big part of the opening. Develop quickly and castle. Develop quickly and castle. Develop quickly and castle. It's very important! But this game you didn't castle at all. That's a big problem if you're doing this in many games.
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Other than that, your position was actually fine half the time. If you'd focused on opening principals in the beginning (the center, development and castle) then the middleagme would have been a lot easier for you.
Ok let me try one more game