Therefore, the maximum number of wins expected for 1000 people with odds of 1 to 20 is 50. So, first of all, 1 to 20 odds is actually equivalent to 1 in 21 people winning, not 1 in 20 people winning.
When you see the odds presented as 30:1 or 3:1 that's actually just showing the payout for a winning bet, not the likelihood of that team winning. 30:1 doesn't mean that the team is 30x more likely to win, it means that if you bet on that team and they win you will receive $30 for every dollar you bet.
Their first ever meeting came in the final of the UEFA Cup Winners' Cup in 1971, with the initial match being drawn 1-1, before Chelsea ran out 2-1 winners in the decider to triumph.
Real Madrid recorded their first ever win over Chelsea at the Estadio Santiago Bernabu in their eighth meeting between the two teams as the Spanish side ran out the winners in the Champions League quarter-final first leg.
