|| CF Correspondent ||

Bangladesh win against Australia is the biggest upset in cricket history, according to ELO ratings published recently.

Arpad Elo, a Hungarian-American physics professor, devised a method for calculating the relative skill levels of players in zero-sum games and the method was used to rate ODI cricket teams using a rating system invented by Elo to rate chess players.

The Elo rating system has been successfully applied to other team sports in the past, in the beginning, all players have an average rating. The winning player takes some points from the losing player and this updated rating is used to determine the probability of winning for the next game. For the rest of the article, a player is going to be an international cricket team.

On June 18 2005 Sophia Gardens Cricket Ground at Cardiff, Bangladesh got their first-ever win against the mighty Australian that is said to be the biggest upset in cricket history.

Bangladesh batsman Mohammad Ashraful played the key role behind the memorable win as he not only scored his maiden ODI ton to seal the victory for the tigers and left cricket nation shocked.

ELO's rating said that Australia's defeat against Bangladesh is the biggest upset in cricket history till now and according to this algorithm, performance rating for an event is calculated in the following way: For each win, add your opponent's rating plus 400, For each loss, add your opponent's rating minus 400, And divide this sum by the number of played games.

It is statistically proven that the match between Bangladesh and Australia has created a world history but if someone follows the early 2000's then you would know that the five-time world champion Australia was at their highest rating and had the best team at that time.

All-star team where was players like Adam Gilchrist, Mathew Hayden, Damien Martyn, Michael Clark, Michael Hussey, Jason Gilespie, Glenn Mcgrath and the captain Ricky Ponting was facing one of the lower-tier, yet promising team Bangladesh.

Ricky Ponting won the toss and elected to bat first. Young Mashrafe Mortaza was in the bowling runup, facing him there was one of the best wicket-keeper batsman in history Adam Gilchrist. Mashrafe shocked the Sophia Gardens crowd when he had Adam Gilchrist plumb on the second ball. Taking the first Australian wicket without a run on the scoreboard.  In the sixth over Ricky Ponting padded up to Tapash Baisya - resulting in an lbw decision given, and Australia were - incredibly - 9 for 2.

They survived through 15 overs. In the 16th, Hayden got bowled by Nazmul Hossain for 37 off an inside edge. Some economical bowling from Mohammad Rafique who bowled ten overs for 31 runs, along with excellent bowling from Mortaza at the death, resulted in Australia finishing on 249 for 5. Where Martyn and Clark get the scoreboard running with their half-ton 77 and 54. In fact, Michael Hussey with 31 not out off 21 balls and Simon Katich with 36 not out off 23 ensured that they got a competitive target.