I absolutely love The Chessmaster by Flye Autumne, it's a really well written and original series that I'm pretty sure is still being updated. There's loads of new and well developed characters that are relevant to the plot. The world building makes sense with the canon and even though it's a series still manages to be fairly concice and doesn't drag on. : )
https://m.fanfiction.net/s/12578431/1/The-Chessmaster-Black-Pawn