class origins, changes in social demographics and attitudes have allowed many working-class people to attend university where they have continued their association with the game. The Student Rugby League was founded in 1967 when a team was created at Leeds University by Andrew Cudbertson, Jack Abernathy and Cec Thompson, other teams soon joined in areas of the United Kingdom which lay outside of the games traditional heartlands. The first university game was between Leeds and Liverpool in 1968. A year later the Universities and Colleges Rugby League was formed after student pioneers fought hard to get the sport recognised in higher education. The first Oxford versus Cambridge University match took place in 1981. The varsity match has "discretionary full blue" status. The game is now played in over 70 universities. Rugby league in universities has been an important vehicle for expansion of the game as players from outside the heartlands often first began to play at university level. Many continue to play after leaving university and this has led to the creation of teams in non-traditional areas such as London Skolars and Gloucestershire All Golds. Derivatives of rugby league Rugby league sevens is particularly popular with pub teams drawn from the regulars at a pub; it is often difficult for a single public house to form a full squad of 13 players and 4 substitutes. Rugby league nines is the more common form of the shortened version of the game. The Carnegie Floodlit Nines, Middlesex 9s and the York International 9s are three of the best known rugby league nines tournaments in England. The York nines began in 2002 and the Middlesex nines a year later. All three competitions feature professional and amateur teams from England as well as teams from abroad. Touch Rugby is administered by Rugby Football League through a product known as Play Touch Rugby League. Try Tag Rugby are the RFL's official Tag Rugby League partners, running leagues in London, Yorkshire and the Thames Valley. Wheelchair rugby league was first introduced to England in 2005. The first competitive league began in 2009. Masters Rugby League which uses modified rules to allow older players to continue playing has only recently arrived in England and is not widely played. Stadiums There are 36 stadiums in England considered to be rugby league stadiums, most of these are shared with association football teams. The largest club venue is the Odsal