Search & Mine (A New Mini-Game)

This is a little mini game i made. I kinda hope it goes to the famous youtubers and stuff but if not that fine.
The Goal is simple. Find the Diamond ore and mine it.
Rules:
1. Do not use x-ray (Mods or texturepacks)
2.Dont leave the Mining Zone.
3. Do not dig under the stone block (If you see dirt do not dig down anymore, nothing is there)
4.Play on Peacful.
5.Dont change gamemode (Gamemode on survival)

There will be 4 chests in the spawn.

The game is you dig into a giant stone block (I made it by hand no world edit) and you mine through and try to find the diamond block.

Idea by my friend - Kearnan Hughes