Are you a Go player? If you are then you thought that nobody will know what a Ko is. I would have loved to see a photo of a real Ko. Black involves the existence of white anyway so you could take a photo of the blacks and the whites. 9
The floor looks dirty and old but in some ways that seems to add to the mood. I like the highligts on the side of whatever that is. It almost reminds me of kitchen hockey. It also seems like you thought about the placement of the item and the direction of the lines too.