Creating a tournament site on a turnkey basis

I don't make prepayments!!! Everything is done through the guarantor of the site or at the end of the project!
It is possible to make the project step by step! Payment for each stage upon completion!!!
You need to make a tournament site by the type Text hidden
With the linking of Steam to the site, with the creation of bots for the site in the game and the auto-creation of the lobby in the game and the standings, etc.
Dota 2, CSGO Games
I ask you to write an approximate cost and time of work!