pfren, thanks but actually, I Analyzed all of them
, to determine where I went wrong.
Some were blunders (I discount them)
Some were losing end games (Need to work on endgame)
Some were strategical bad choices (this is where I want to improve)
Some were opening blunders (Need basic work on opening traps).
I have noticeably changed my working method and now spend more time on puzzles rather than playing rapid.
Not sure I can add much value after the CM's input, but I can try.
Now for the position above...
Checks- none
Captures-
1.Bg5 x Nf6 (protected by e7 & Bg7)
Bg5 is unprotected, you could threaten it with:
a) h6 (might can play in next move or so) or
b) Qa5 (might be blocked by Bb5 or Nb5)
Where could it go or how could white protect it in each case?
2.Bc4 x f7 (protected only by King)
You could protect it with rook & king by
c) O-O (also addresses King Safety and possibly a mainline variation move)
3.Nd4 x Nc6 (protected only by b7)
You could protect it again with
d) Bd7
You could capture Nd4 with Nc6 (If you choose not to capture, you need to calculate if White does on next move).
e) Nxd4
White could recapture with Qxd4
In this situation, I'd go with O-O knowing that white could play Nxc6 and bxc6 protects d5 (a center square) from the c3 knight and opens the b-file for queen side play.