It’s March and for those who follow sports, that means college basketball and March Madness. The tournament is mainly interesting because of two reasons: (1) filling out brackets and (2) watching and hoping for upsets . This interactive March Madness matchup visualizer helps do both of these things by showing you the history of the tournament (since 1985 when the tournament expanded to 64 teams) in terms of matchups between teams with different seeds (1 through 16 in four regions).
The interactive visualization gives you a table where you can specify specific matchups that you might want to see (1 vs 16, 8 vs 9, 5 vs 12, etc) and you can see the number of games won by each team, as well as the distribution of game winning margin. It really gives a good feel for how competitive the games are.
The default matchup visualized is all games that involve non-equal seeds (i.e. not 1 vs 1, etc). This shows the distribution of scores and which team won. You can also specify a specific seed and look at their matchups vs all other seeds (by clicking on cells in the “All” column).
Finally, you can also look at these matchups for the entire tournament or by specifying specific rounds.
Some things I found interesting:
- There are quite a number of matchups that have never happened in the 33 year history of the tournament, and many more that are extremely rare
- Turning on rounds one at a time leads to an interesting geometric pattern in the matchups as only certain matchups are allowed in certain rounds (e.g. sum of seeds in 1st round add up to 17 and fall along a diagonal towards the upper right).
- A 2 seed has never beaten a 5 seed (in four matchups) and has done badly against the 8 seed (2 wins, 5 losses).
Hopefully, you find this is an interesting and useful tool to explore while you enjoy March Madness.
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