Blocky source. Heavy deblocking would've washed off source and made it blurry. Minimal Deblocking done accordingly.
Brought out fine details without over sharpening the (blocky) background.
Removed the blue tinge. Fixed luma & chroma a bit.
That's the only quality recipe here.
Check comparison for the work done & confirm the same with provided samples.
The D & The D & The R.
Comparison (Source vs DDR)
All the information provided above are accurate and not tampered with, because we share what we show!