Van Horn biggest online victory is third place in the $1,000 event of the 2002 World Championship of Online Poker.
World Cup | FIFA World Cup | World Trade Center | World Series | 2010 FIFA World Cup | World Bank | World Health Organization | Guinness World Records | 1978 FIFA World Cup | World Series of Poker | Allies of World War II | BBC World Service | ATP World Tour 250 series | World Heritage Site | World Boxing Association | World Boxing Council | 2006 FIFA World Cup | World Wide Web | As the World Turns | World Trade Organization | ATP World Tour 250 Series | World Rally Championship | World Intellectual Property Organization | World Economic Forum | Western world | Miss World | Rugby World Cup | World Meteorological Organization | World Championship | The Real World |
As of 2009, he has cashed fourteen times in the World Series of Poker (WSOP), including a 2nd place finish in $2,500 Omaha Hi-Lo Split event in 2000, and a 4th place finish in the $10,000 no limit Texas hold 'em Main Event in the same year, for which he took home $326,000. In September 2005, he won the opening No Limit Hold'em event of PokerStars' fourth annual World Championship of Online Poker, taking home $306,000.
On September 24, 2010 Richard won Event #54 of the World Championship Of Online Poker, the $2,100 Pot Limit Omaha 6-max event.
On September 28, 2007, Buchanan, who uses the name 'buck21' on PokerStars, won event #19 of the 2007 World Championship of Online Poker, a $530 buyin Pot-limit Omaha tournament.