The common sense is, when a player scored a century means in most of the times, the team would have sored good and won the match. Now you take any player in the world who scored some centuries, you can 60-90% times their team would have won the match. Now, no matter to say that 31 times out of 41 times he won matches, simply it happens with any player. Rest of the issues are common like, against strong opponents, playing abroad, in finals, etc.