I was learning about photography and got a bit carried away and made an infographic:

So if you’re looking to do photography for an MMA or martial arts event you will probably want

• A fast shutter speed to freeze movement
• You’ll need a wide aperture to capture enough light in the indoors
• A High ISO to make the most of the light & the aperture

Really good video for beginners here:

I’d probably forget about the setting for your first few goes of a new camera though, and just use the ‘auto’ settings.

What you should probably be mindful of however is:

The Rule of thirds

Fill Your Frame