"fine understanding" is correct and usable in written English.
You can use it to indicate that someone has a good grasp of the information or concept being discussed. For example: "Thanks to your fine understanding of the topic, we were able to make a successful presentation."
Shulman has a fine understanding of the Benoni.
He had a developed sense of bodily expression, a very fine understanding of words.
That's a shame because Kurt was terrific and has struck up a fine understanding with Chris Sandow".
Together they give a fine understanding of this turning point in architecture, when traditional materials were replaced by cast iron.
Meireles can appear gawky and inelegant, but he has a fine understanding of the flow of a game.
He has a fine understanding of photography, of philosophy, of the modern and classical canon of English fiction.
Zhe-Xi Luo, a vertebrate paleontologist from the Carnegie Museum in Pittsburgh, Pennsylvania, adds: "We now have a finer understanding about exactly where and when these features started to appear.
Jacobson's suit had many academics rightfully scratching their heads, rolling their eyes, and thinking "You have got to be kidding me". Reviews and negative feedback are part-and-parcel of a researcher's career and a hallmark of the science community's drive towards a finer understanding of the world.
In order to achieve a richer and finer understanding of it many authors provide a list of different meanings associated with the idea of responsibility, which aims at better characterising the concept and at distinguishing its different theoretical and pragmatic dimensions.
In their epic first match – KK1, as it is called, ran to 48 games – Kasparov's attacks foundered on Karpov's fine positional understanding.
"Peter Marino brought us three things: a really fine architectural understanding of the historic nature of the 10 18th-century buildings that make up Sotheby's," said Mr. Woodhead.
