The traditional split snatch is a great Olympic lift, but you might kill somebody doing it in a normal commercial gym with a barbell. Plus, a regular gym probably doesn't have the right equipment.
No worries, you can still get many of the same benefits by doing this dumbbell variation. This will develop unilateral leg strength and test your athleticism.
Some call it the ultimate triceps movement, others call it, "that exercise that hurts the top of my head and makes me see birdies." Either way, you ought to be doing Partial Overhead Presses.