Ultimately, what separates a ...

Ultimately, what separates a winner from a loser at the grandmaster level is the willingness to do the unthinkable. A brilliant strategy is, certainly, a matter of intelligence, but intelligence without audaciousness is not enough. Given the opportunity, I must have the guts to explode the game, to upend my opponent\'s thinking and, in so doing, unnerve him. So it is in business: One does not succeed by sticking to convention. When your opponent can easily anticipate every move you make, your strategy deteriorates and becomes commoditized.
Ultimately, what separates a winner from a loser at the grandmaster level is the willingness to do the unthinkable. A brilliant strategy is, certainly, a matter of intelligence, but intelligence without audaciousness is not enough. Given the opportunity, I must have the guts to explode the game, to upend my opponent's thinking and, in so doing, unnerve him. So it is in business: One does not succeed by sticking to convention. When your opponent can easily anticipate every move you make, your strategy deteriorates and becomes commoditized.
 Garry Kasparov

Quotes from the same author

Many so-called pragmatists want nothing to do with space exploration or other kinds of ambitious endeavours that don't have a clear payoff. This mentality is hugely damaging to our success as a civilization. Our desire to understand the universe is kindled by curiosity and wonder, and this has fuelled countless scientific breakthroughs.
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 Garry Kasparov
Even well-known historians like Edward Gibbon are talking about how the soldiers of the 18th century were not able to do the same type of exercise [like Romans].
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 Garry Kasparov
My mother lives in Moscow, and I would like to visit her. Now she always has to travel to Finland or a Baltic country to meet me. But I have to expect that my papers would be confiscated in Moscow immediately, and that they would harass my family. I can still have more impact in the West with my books and lectures.
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 Garry Kasparov
For inspiration I look to those great players who consistently found original ways to shock their opponents. None did this better than the eighth world champion, Mikhail Tal. The "Magician of Riga" rose to become champion in 1960 at age twenty-three and became famous for his aggressive, volatile play.
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 Garry Kasparov
His teaching became a turning point in chess history: it was from Steinitz that the era of modern chess began. The contribution of the first world champion to its development is comparable with the great scientific discoveries of the 19th century.
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 Garry Kasparov