Upper Marlboro, MD – September 24, 2013 – The 2013 Capital Challenge Horse Show (CCHS) presented by The Gochman Family is just days away, kicking off on Saturday, September 28, at Prince George’s Equestrian Center in Upper Marlboro, MD. The show begins with its Equitation Weekend presented by Bigeq.com, and the fantastic competition continues through October 6 with top USEF “AA” rated events.