This is my opinion only--the light serves to define the object clearly--and that' all that is happening in this comp. To get a high score from me, the light must interact with the subject, for example, to help me imagine the legs, or to make it irrelevant that it has no legs. A photo of un objet d'art does not necessarily create an art photo.
The interaction of the light with the subject is something I'm trying to learn myself, so I am looking for it in every photo I see. Here is some light interacting with a horse, at least to my eye.
The lighting is quite good and it is an interesting sculpture. I gave this a 5 during voting as the shot is technically good, especially the soft background, but it was more a picture of someone’s art than an artistic photo in my opinion.
Your photo is one of the reasons I like side challenges much more that challenges. It seems in challenges everyone has a preconceived notion of what is an acceptable entry to meet their perception of an often time poorly written description of what the challenge is - descriptions can never connect with all the participants as we come from so many different cultures, belief systems and even though, on the surface, we might come from the same country, town and the like, our interpretations are based on our life's view and roughly one second of viewing and then on to the rest quickly quickly.
It's true as Ann wrote that sculptures don't so well - but that is where side challenges come into their best - When I look at what you have presented I enlarge the photo so that the stand is not in my view. It then becomes something else - a study in texture and light - it's almost completed face is recognizable as a horse waiting patiently for it's ears. One of the most powerful anatomical parts of a horse are it's powerful legs and the lack of legs makes me wonder what the creator is trying to convey .. even it's tail, usually such a finishing touch to the magnificent appearance of a horse is clumped into a shape that conveys no motion - I find it all fascinating once I stop viewing it as a finished sculpture. As for your quest to light it properly, in my eyes, you excelled.
Ahh...one of those images that finishes somewhere in the middle, but nobody gives you a clue what went wrong. I hate that when that happens. As far as the image itself, the lighting is good, you've given a very good view of the textures. I think why it finished somewhere in the middle on the challenge was the subject matter. Pictures sculpture just don't do that well.