
In college basketball, a Q1 win is a significant achievement. The quadrant system, now in its fourth season, is used by the NCAA Division I Men's Basketball Committee to select teams for the NCAA Tournament. A Q1 win is a home win against a NET top-30 team, a neutral-site win against a NET top-50 team, or a road win against a NET top-75 team. The NCAA Evaluation Tool (NET) is a ranking system that calculates team ratings to rank every NCAA D1 basketball team. NET rankings are updated daily and used to sort wins and losses into one of four quadrants.
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What You'll Learn

Q1 wins are important for NCAA Tournament selection
The NCAA Division I Men's Basketball Committee has used Team Sheets to build the NCAA Tournament field for decades. The committee has recently started using better data to select and seed the 68 teams. The NET rankings are used to place each regular-season and conference tournament college basketball game into one of four quadrants. A Quadrant 1 (Q1) win is a home win against a NET top-30 team, a neutral-site win against a NET top-50 team, or a road win against a NET top-75 team.
The strength of schedule is a key factor in the NET rankings and is based on the difficulty of winning against each opponent on a team's schedule. The overall and non-conference strength of schedule has been modernized to reflect a truer measure of how hard it is to defeat opponents. The number of Q1 wins and Quadrant 3/4 losses will be crucial when selecting and seeding teams for the NCAA tournament.
The NCAA Tournament Selection Committee has traditionally used a variety of numbers, team records, and metrics to justify their seeding of teams. The quadrant system is now an additional tool to help determine the best teams in the nation. The selection committee can use the quadrant system to explain tournament seeding or why a team did not make the 68-team field.
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Q1 losses don't bear much weight
In basketball, a Q1 win is a home win against a NET top-30 team, a neutral-site win against a NET top-50 team, or a road win against a NET top-75 team. The NET rankings, which are updated daily, are used to sort wins and losses into one of four quadrants. While Q1 wins are important, Q1 losses don't bear much weight. This is because the NET rankings take into account all game results, including the difficulty of games played by a team.
For example, a team with a high number of Q1 wins but a low number of Q1 losses may be ranked lower than a team with fewer Q1 wins but no Q1 losses. This is because the NET rankings consider the quality of the teams played, with Q1 teams being the top-ranked teams.
Additionally, Q1 losses may not have as much impact on a team's ranking if they occurred early in the season. The NCAA Evaluation Tool (NET) omits certain types of data, such as game dates, to ensure that early and late-season games carry equal weight. This means that a Q1 loss early in the season may not have as much impact on a team's ranking as a Q1 loss later in the season.
However, it's important to note that the NCAA Division I Men’s Basketball Committee uses Team Sheets to build the NCAA Tournament field, and these Team Sheets undergo frequent changes as the committee utilizes better data to select and seed the teams. While Q1 losses may not bear much weight, they can still impact a team's ranking if they occur consistently or against lower-ranked teams.
Moreover, the selection committee may perceive a team differently if they have multiple Q1 losses, even if those losses do not significantly affect their ranking. The committee may make adjustments to the rankings based on what they consider "achievement value." Ultimately, while Q1 losses don't bear much weight, they can still have some impact on a team's ranking and perception in the NCAA Tournament.
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Q1 wins are a good indicator of competitiveness
In basketball, a Q1 win is a significant achievement. It refers to a home win against a top-30 team, a neutral-site win against a top-50 team, or an away win against a top-75 team. This system, based on the NCAA Evaluation Tool (NET), is used to rank every NCAA Division 1 basketball team and determine tournament seeding.
Q1 wins are a good indicator of a team's competitiveness and ability to rise to a challenge. They demonstrate that a team can compete against the best in the country and are a crucial factor for teams aiming to participate in the NCAA Tournament. The NET rankings take into account various factors, including game results, strength of schedule, game location, and the quality of wins and losses. This comprehensive evaluation provides a detailed understanding of a team's performance and potential.
The NET rankings are updated daily, reflecting the dynamic nature of the game and ensuring that the rankings remain current and relevant. This frequent updating also allows for early and late-season games to carry equal weight, providing a more accurate representation of a team's performance throughout the entire season.
While Q1 wins are important, it is worth noting that Q1 losses do not carry the same weight. Instead, losses in the lower quadrants, such as Q2, Q3, and Q4, can have a more significant impact on a team's perception and ranking. This is because losses against lower-ranked teams indicate a lack of competitiveness and consistency.
Overall, Q1 wins are a strong indicator of a team's ability to compete at a high level and are an essential factor considered by the selection committee when choosing teams for the NCAA Tournament. By evaluating teams based on their performance against top-ranked opponents, the NET ranking system helps identify the most competitive teams and ensures that the tournament includes those capable of rising to the challenge.
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Q1 wins are based on NET rankings
The NET rankings (NCAA Evaluation Tool) are used to assess a team's record and resume, replacing the RPI (Rating Percentage Index or Ratings Power Index) used for years as an evaluation metric by the selection committee. The NET rankings were first used in the 2018-19 season.
The NET rankings are updated daily (starting in December) and are used to sort wins and losses into one of four quadrants. A Q1 win is a home win against a NET top-30 team, a neutral-site win against a NET top-50 team, or a road win against a NET top-75 team. As the NET rankings change, games can move in and out of quadrants. For example, a Q1 home win over a NET-29 team in December could become a Q2 home win by March if the opposing team drops outside the NET 30.
The most important component of the NET is the Team Value Index (TVI), which rewards teams for beating upper-echelon squads, making the system results-based. The number of Q1 wins and Q3/Q4 losses is crucial when selecting teams for the NCAA tournament and seeding.
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The NET ranking system was improved in 2018
In college basketball, a Q1 win is a home win against a NET top-30 team, a neutral-site win against a NET top-50 team, or a road win against a NET top-75 team. The NET rankings, or NCAA Evaluation Tool, are used to rank every NCAA Division 1 basketball team.
The NET rankings are updated daily, starting in December, and are used to sort wins and losses into one of four quadrants. The quadrant system, introduced in 2018, breaks down a team's schedule and results based on game location and opponent NET ranking. Quadrant 1 represents the highest-ranked opponents, with Quadrants 2 to 4 decreasing in rank.
The NCAA annually reviews the NET ranking system and seeks feedback from its members. The NET is considered to provide a comprehensive set of data and a more in-depth understanding of teams compared to the RPI. However, there are concerns about whether the additional data and weight given to certain factors have improved the system's predictive power.
The NET rankings are a crucial tool for coaches, players, and fans, as they play a significant role in evaluating teams and influencing tournament selections and seedings. The number of Quadrant 1 wins and Quadrant 3/4 losses, in particular, are important factors considered by the NCAA Division I Men's Basketball Committee during the tournament selection process.
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Frequently asked questions
A Q1 win in basketball is a home win against a NET top-30 team, a neutral-site win against a NET top-50 team, or a road win against a NET top-75 team.
NET stands for NCAA Evaluation Tool, which is a computer model that calculates team ratings used to rank every NCAA D1 basketball team.
The NET takes into account game results, strength of schedule, game location, net offensive and defensive efficiency, and the quality of wins and losses.
68 teams are chosen to participate in March Madness.
There are four categories of Quadrant wins: Quad 1, Quad 2, Quad 3, and Quad 4. Quad 1 wins are considered the most important, followed by Quad 2, Quad 3, and Quad 4, which are less meaningful as they are not against quality teams.












