Date of Birth: 
About Lars Petrus
- Lars Erik Petrus (born 4 November 1960 in Luleå in Sweden) is an accomplished speedcuber. In 1982, he became the national champion of Sweden, and went on to finish fourth overall at the first official Rubik's Cube World Championships held in Budapest, Hungary.
- He later published his method, known as the Petrus system, on the Internet.
- It became a fairly popular method among intermediate and upper-level speedcubers, although its more recent use has diminished considerably due to the increased predominance of methods such as ZZ, Roux, and CFOP.
- Petrus won the 3x3x3 Fewest Moves category at the 2005 World Championships held in November 2005 at Lake Buena Vista, Florida, USA claiming the US$500 prize.
- He currently (since 1995) resides in SF Bay Area, California, USA.
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