Question: What was the nickname of the player that won the 2015 Dafabet Masters snooker tournament?

Context articles: 1954/1955 News of the World Snooker Tournament
2018 Masters (snooker)
2014 World Snooker Championship
Shaun Murphy (snooker player)
2015 Masters (snooker)
2017 Masters (snooker)
2016 Masters (snooker)
2007 Shanghai Masters
2014 Masters (snooker)
1950 Sporting Record Masters' Snooker Tournament

The 1954/1955 News of the World Snooker Tournament was a professional snooker tournament sponsored by the "News of the World".
 The tournament was won by Jackie Rea who won all of 8 matches.
 He finished ahead of Joe Davis who won 6 matches.
 The News of the World Snooker Tournament ran from 1949/50 to 1959 but this was the last to be held at Leicester Square Hall, which closed soon after the end of the tournament.
The 2018 Dafabet Masters is an upcoming professional non-ranking snooker tournament due to take place between 14–21 January 2018 in London, England.
 It will be the 44th staging of the tournament.
The 2014 World Snooker Championship (also referred to as the 2014 Dafabet World Snooker Championship for the purposes of sponsorship) was a professional ranking snooker tournament, that took place from 19 April to 5 May 2014 at the Crucible Theatre in Sheffield, England.
 It was the 38th consecutive year that the World Snooker Championship had been held at the Crucible and was the last ranking event of the 2013/2014 season.
 The event was sponsored by Dafabet for the first time.
Shaun Murphy (born 10 August 1982) is an English professional snooker player, who won the 2005 World Championship.
 Nicknamed "The Magician", Murphy is noted for his straight cue action and his long potting.
The 2015 Dafabet Masters was a professional non-ranking snooker tournament that took place between 11 and 18 January 2015 at the Alexandra Palace in London, England.
 It was the 41st staging of the tournament.
 Shaun Murphy won his first Masters title, beating Neil Robertson 10–2 in the final, the biggest winning margin in a Masters final since Steve Davis whitewashed Mike Hallett 9–0 in 1988.
 In winning the title, Murphy became the tenth player to win all Triple Crown events at least once.
The 2017 Dafabet Masters was a professional non-ranking snooker tournament that took place between 15–22 January 2017 at the Alexandra Palace in London, England.
 It was the 43rd staging of the tournament.
The 2016 Dafabet Masters was a professional non-ranking snooker tournament that took place between 10–17 January 2016 at the Alexandra Palace in London, England.
 It was the 42nd staging of the tournament and the fifth successive time it was held at the Alexandra Palace.
The 2007 Shanghai Masters was the inaugural edition of the Shanghai Masters snooker tournament and the first ranking event of the 2007/2008 season.
 It took place between 6–12 August 2007 at the Shanghai Grand Stage in Shanghai, China.
The 2014 Dafabet Masters was a professional non-ranking snooker tournament that took place between 12–19 January 2014 at the Alexandra Palace in London, England.
 This was the first time that Dafabet sponsored the event.
The 1950 Sporting Record Masters' Snooker Tournament was a professional snooker tournament sponsored by the "Sporting Record" newspaper.
 Entry was restricted to past finalists in the World Snooker Championship.
 The tournament was won by Joe Davis with Sidney Smith finishing in second place.
 It was the only time the tournament was held.