Jimmy Boyd in 
There are many different strategies for winning an NCAA Tournament bracket pool. But, no one strategy covers everyone in every situation. Most people focus solely on historical statistics and seeding, which is great for betting on individual games, but winning a contest requires a different mindset: Game Theory.
Strategy to Help You Win NCAA Tournament Bracket Pools & Contests
In smaller pools, you should generally take teams favored by the Las Vegas spreads. This gives you the highest mathematical probability that your teams will advance. However, if you want to win a large-scale contest, you can’t just pick the same favorites as everyone else. You need to maximize your “Expected Value” by finding teams that have a high chance of winning but a low “ownership” percentage in your pool.
Number of Participants
The size of your pool should be the #1 factor determining your strategy. If there are between 2–30 participants, your best bet is to be “Chalky” (picking the favorites). In a small group, it is statistically unlikely that anyone will pick a perfect or near-perfect bracket, so simply having the most likely champion gives you a massive edge.
But if you are in a pool with 100, 1,000, or even 50,000 participants, the “pick the favorite” strategy fails. Why? Because thousands of other people are doing the exact same thing. Even if the favorite wins, you’ll be tied with so many people that your chances of actually taking home the top prize are slim.
Using Game Theory to Maximize Your Return
To win a large pool, you need to calculate your probability of winning the entire contest, not just the probability of your team winning the game. The formula for your Expected Value (EV) looks like this:
(1 / n) * x
where:
- n is the estimated number of people in your pool who chose that specific team to win it all.
- x is the real-world probability (Vegas odds) of that team winning the tournament.
Putting it to Use
Let’s look at two hypothetical teams in a pool of 50,000 people for the 2026 tournament:
Example A: The “Public” Favorite (e.g., Kansas)
- Vegas Odds: +500 (16.7% chance to win).
- Pool Ownership: 40% of the pool (20,000 people) picks them.
- Formula: (1 / 20,000) * 16.7% = 0.000835% chance of winning the pool.
Example B: The “Value” Contender (e.g., Houston or Arizona)
- Vegas Odds: +1000 (9.1% chance to win).
- Pool Ownership: 5% of the pool (2,500 people) picks them.
- Formula: (1 / 2,500) * 9.1% = 0.00364% chance of winning the pool.
The Verdict: Even though Kansas is nearly twice as likely to win the actual tournament, you are **over 4 times more likely** to win your pool by picking Example B. This is because you aren’t fighting through a crowd of 20,000 people to get to the winner’s circle.
Conclusions
In large pools, your goal is to be contrarian without being reckless. You want to select a champion that is a legitimate title contender but is being overlooked by the general public. To put this theory into practice, keep these three tips in mind:
- Avoid the “Local Hero”: If you live in Iowa and everyone in your pool is an Iowa State fan, do not pick Iowa State to win it all. Their ownership in your specific pool will be inflated, destroying your value.
- Find the “Weak” No. 1 Seed: Every year, there is usually one top seed that the media doubts. If the public is flocking to three of the No. 1 seeds, the fourth one often becomes the best value play in the bracket.
- Go Chalk in the Early Rounds: Don’t waste your “contrarian” energy on 14-over-3 upsets. Use Vegas spreads to get as many points as possible in the first two rounds, then let your unique Champion pick do the heavy lifting in the Final Four.
If you’re looking for more ways to gain an edge, check out my Expert Bracket Predictions where I break down the best value plays for 2026.
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