10,000 Hours Forty years ago in a paper called American Scientist, Herbert Simon and William Chase made one of the most famous conclusions in the study of expertise during a chess match: “We would estimate, very roughly, that a master has spent perhaps 10,000 to 50,000 hours staring at chess positions…” But does this claim really have any evidence behind it? According to Malcolm Gladwell in his book Outliers, the 10,000 hour rule is completely true as well as other factors that lead to expertise
He was then signed by Manchester United for £25.6 million which was a record fee for a teenager at that time. Rooney made his mark in the United side by scoring a hat trick in the Champions League match against Fenerbahce which made him the youngest player to score a hat trick in the Champions League, aged on 18 years and 335 days. On 12th February 2011 Wayne Rooney scored the best goal of his career when he scored a bicycle kick goal in the Manchester Derby helping United to a 2-1 win over