Danny in the 'Hold-Press-Chin' Challenge on http://www.konkura.com Sport and Fitness. The aim is to do as many continuous chin-ups, then times by your 1 rep maximum bench-press (in kgs) and multiple further by your 15kg plate hold time. This is a great set of exercise for upper body strength and muscle building.

http://www.konkura.com is the home of free sport and fitness challenges. Turn every fitness workout or training session into a friendly fitness competition, and take on athletes around the world to benchmark your performance. Motivate your training by joining challenges created by fitness enthusiasts, personal trainers and fitness professionals, or create your own training challenges and take on the world at your favourite exercise routines or workout. Whether your personal training goal is to get fitter, get stronger, get faster, increase endurance or improve skill, or just to get in awesome shape, http://www.konkura.com fitness challenges are the free, fun way to find new workouts and compete with friends.
Take the challenge at http://www.konkura.com/challenge/?uid=26ef153b-f074-4cb9-b032-bee7cc17de5e&t=Reps+Gym+Preston+Hold+-+Press+-+Chin