Below is our Model 284 consensus bracket for the 2021 NCAA Tournament. As you will see from our Game-by-Game Predictions and Tournament Simulation results, our bracket does not necessarily advance our model’s predicted winner for every single game. Rather, we use a combination of (1) our model’s individual game predictions, (2) our tournament simulation results, (3) injuries / other factors not captured by our models, and (4) consideration of public picks – to make sure we are differentiating our bracket enough from the most popular choices. For those interested, here is a bracket filled out purely using raw model output.
Stay tuned to Model 284 throughout the tournament for updated predictions on every game!
Historical Bracket Accuracy
Below is a summary of how our published brackets have performed in previous tournaments (2017-present). We have been utilizing these models dating back to the 2014 tournament, but do not have older predictions documented on the site.
Year | ESPN Score |
R1 | R2 | R3 | R4 | R5 | R6 | Predicted Champ |
Actual Champ |
2017 | 840 | 28 | 8 | 2 | 2 | 1 | 0 | Arizona | UNC |
2018 | 570 | 23 | 9 | 2 | 1 | 0 | 0 | Purdue | Villanova |
2019 | 1020 | 24 | 13 | 5 | 2 | 1 | 0 | Gonzaga | Virginia |
2020 | – | – | – | – | – | – | – | – | – |
2021 | 1070 | 21 | 7 | 4 | 3 | 2 | 0 | Gonzaga | Baylor |
Avg | 875 | 24.0 | 9.3 | 3.3 | 2.0 | 1.0 | 0.0 | – | – |
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