Dear, I am Jang.
I'm interesting your project very well.
I know well chess and sudock.. puzzle and online poker games.
I have 2d chess game source code.
If you want 3D , i can make 3D chess model and game.
I'm a certificated freelancer with almost 800 good reviews from clients.
I'm an unity expert and i have developers and designers.
Skill: unity, android, iphone, winphone, web app and games, 2d, 3d Designes, c#, js
I’m able to lead your project to success.
Let's discuss more details on chat.
Thanks sir