Game I played

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brisket

Here is the game. I did not use an engine so if my thoughts are off that is why.

1. d4 d5- I wanted to try d4 as I normally play e4 and wanted to try to go out of my comfort zone.
2. c4 dxc4- Since he played d5 I offered a queens gambit and he accepted accordingly.
3. e4 Nc6- I did e4 to have another pawn control the center, presumably Nc6 was made to attack my d-pawn
4. Nf3 Nf6- I did Nf3 to move a Knight into the game and to serve as a piece to defend my d-pawn, the Nf6 by black attacks my e-pawn
5. Bxc4 Nxe4- I took his pawn to move my light square bishop into the game, he took my e-pawn which was not defended by me.
6. O-O Nd6- I castled for king safety I am not sure if that was my best move, but I feel it was still a good one. He moved his knight which attacks my light square bishop.
7. b3 Bf5- I did b3 to defend my bishop, Bf5 brings a bishop in the game for black not sure if it was the best move per se.
8. Bf4 f6- I wanted to bring my other bishop into the game and it does put pressure on the knight. I honestly did not get the purpose of f6.
9. d5 Nb4- d5 was to attack his other knight, in hindsight it might have been overextending my pawn, his move was to escape the pawn attack did not really create any major threats for me.
10. Nc3 b5- I did this to bring the other knight in the game. It might have been better to do something like Bf6 possibly. he moves b5 to attack my bishop.
11. Bxb5+ Nxb5 - I decided to capture his pawn which did check the king and he re-captured with his knight as was what I felt would happen.
12. Nxb5 a6- I then took his knight with my knight
13. Nxc7+ Kd7- I did this to fork the king and rook as my bishop was defending which prevented him from taking with his queen. I felt his king move put his king in the open. Kf7 would have been better I believe.
14. Nxa8 Qxa8- I took the rook and he captured with his queen which was what I expected.
15. Qd4 Nc2 - I moved my queen into the game to control the center, I did miss his next  move which forked the queen and rook.
16. Qa4+ Kd8- I noticed however, that I could check his king forcing him to respond so that I could also save my rook on my next move.
17. Rac1 Qxd5- I chose to attack his knight, however the bishop was defending his knights so I would not have wanted to capture with my rook. he chose to capture my d-pawn with his queen.
18. Rfd1 e5- I attacked his queen since to pin it, he did e5, I think e6 would have been better so it would offer some support on his queen.
19. Rxd5+ 1-0- Since the queen was not defended I captured and black resigned.
Rat1960

Missing the hanging e-pawn you have to correct.
7. b3 Bf5- I did b3 to defend my bishop, Bf5 brings a bishop in the game for black not sure if it was the best move per se
It was better to move the bishop to b3 over protecting it. Generally two bishops are better than a bishop and a knight.
Once black played the rather poor 10. ... b5 you found a winning line.

An awful lot of games are decided by attacking material and the other player doing nothing about.
Stronger players notice that and that is the first stage of chess becoming more challenging. 

brisket

Here is another one unfortunately black left the game.