Miles Bennett
The Official World Golf Ranking (OWGR) is a system for rating the performance level of professional golfers. It was started in 1986 and is based on a player's position in individual tournaments over a rolling two-year period. New rankings are calculated each week, with players accumulating points over a two-year period to determine their ranking in the OWGR. The OWGR is a complex algorithm that takes into account a wide range of factors, including tournament results, strength of field, and the number of players in the field. Points are awarded based on a complex formula that takes into account the average ranking of the players in the field and the player's finishing position.
| Characteristics | Values |
|---|---|
| Ranking Calculation | Divide points total by the number of events played to get an average score |
| Ranking Period | 2 years |
| Minimum Tournaments | 40 |
| Maximum Tournaments | 52 |
| Ranking Points Distribution | Ranking points are maintained at full value for 13 weeks and then reduced in equal decrements for the remaining 91 weeks |
| Multi-Win Bonuses | Second Win Bonus: 60% of the first-place points, capped at a maximum |
| Eligible Golf Tours | 23 |
| Eligible Tournaments | Major Championships, Olympic Golf Competitions, and the World Cup of Golf |
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What You'll Learn
The importance of eligible tours and tournaments
Eligible tournaments are chosen from leading professional golf tours, Major Championships, and competitions worldwide. These events provide the foundation for players to accumulate ranking points, which are essential for their overall standing. Each eligible tournament has a Field Rating, which influences the distribution of ranking points to participants based on their finishing positions. The higher the Field Rating, the more points are available, incentivizing golfers to compete in these prestigious events.
To be designated as eligible, a tournament must satisfy several requirements. Firstly, it must be organized or sanctioned by an Eligible Golf Tour, adhering to their official tournament schedule and criteria. Secondly, the tournament must hold significance, contributing to the Eligible Golf Tour's end-of-season ranking list. Additionally, eligible tournaments must uphold a minimum standard of competition, typically requiring a minimum field size of 30 qualified players. This criterion ensures that the tournament is competitive and attracts a substantial number of skilled participants.
The inclusion of eligible tours and tournaments in the OWGR system carries significant weight. Players must compete in these sanctioned events to accumulate ranking points and elevate their world ranking. The quality and diversity of eligible tours and tournaments ensure that the OWGR system is comprehensive and inclusive, reflecting the performances of golfers across various geographies and competition formats. This global reach enhances the legitimacy of the OWGR rankings, making them a respected and influential metric in the world of professional golf.
Moreover, the eligible tours and tournaments play a pivotal role in shaping players' careers and opportunities. The OWGR rankings serve as a qualifying criterion for entry into prestigious tournaments, acting as a gateway to further success and recognition. Consequently, golfers strategically plan their participation in these events to optimize their ranking and gain access to exclusive competitions. This dynamic underscores the critical importance of eligible tours and tournaments in shaping the trajectories of professional golfers.
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How ranking points are distributed
The Official World Golf Ranking (OWGR) is a complex algorithm that takes into account a wide range of factors, including tournament results and strength of field, to determine the top players in the world. The OWGR is a rolling two-year points system based on performance in sanctioned events, with points decreasing over time.
To qualify for a ranking, a player must play a minimum of 40 tournaments within a two-year rolling period. The maximum number of tournaments was initially set to 60 in January 2010 and was reduced by 2 every six months until it reached 52 in January 2012. This means that only the player's 52 most recent tournaments are used to calculate their ranking average.
The first stage in the calculation is the ranking of each event. For most events, the ranking depends on the current world rankings of the participating golfers and the participation of the leading golfers from the "home tour". A "world rating value" is calculated. Any golfer currently ranked in the world top 200 is given a rating value. The world No. 1 is allocated 45, the No. 2 is allocated 37, the No. 3 is allocated 32, and so on down to those ranked between 101 and 200 who are allocated a rating value of 1 each. The maximum possible world rating value is 925 but this would only happen if all the top 200 golfers were playing.
A "home tour rating value" is calculated similarly, with the leading 30 golfers from the previous year's "home tour" being given rating values. Most tours use earnings lists for their top 30, but the PGA Tour currently uses the FedEx points list calculated after the playoffs. The home tour No. 1 is allocated 8, down to those from 16 to 30 who are allocated a rating value of 1 each. The maximum home tour rating value is 75 if all the top 30 players from the home tour are competing. The total home tour rating value is limited to 75% of the world rating value.
The world rating value and home tour rating value are added together to give a "Strength of Field" value. This is then converted into an event ranking using a table. For example, a strength of field value of 10 converts to an event ranking of 8, while a strength of field value of 500 converts to an event ranking of 62.
Once the event ranking has been determined, players are awarded ranking points based on their finishing position in the tournament. The number of points awarded is based on the event ranking, with higher-ranked events awarding more points. For example, major championships are awarded 100 First-Place Points as they are widely recognised as the pinnacle of men's professional golf.
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The impact of a tournament's field size
The Official World Golf Ranking (OWGR) is a system for rating the performance level of professional golfers. The rankings are calculated based on a player's position in individual tournaments over a "rolling" two-year period, with new rankings produced each week. Each tournament has a minimum field size of 30 qualified players.
The OWGR system is based on Ranking Points, which are derived from each Eligible Tournament's Field Rating. The Field Rating for each Eligible Tournament is determined by the sum of Performance Points for all players in the Tournament Field. Each player in the Tournament Field contributes Performance Points, which are determined by that player's Strokes Gained World Rating.
Previously, only the top 200-ranked players in a field were counted towards the Strength of Field. However, under the new system, every player in the field is ranked and assigned a Strokes Gained World Rating. As a result, a bigger field will have more points, even if the tournament has fewer top-ranked players. This change has led to some controversy, as it can result in tournaments with more top-ranked players receiving fewer points than tournaments with larger fields but fewer top-ranked players.
The number of Ranking Points awarded to players in a tournament is based on their finishing position. The winner's ranking points are the same as the ranking of the event, so major winners get 100 ranking points. The second-place golfer gets 60% of this amount, followed by 40% for 3rd, 30% for 4th, 24% for 5th, down to 14% for 10th, 7% for 20th, and so on.
In addition to the number of Ranking Points, the field size of a tournament can also impact the weighting of the tournament in the OWGR calculations. The OWGR introduced a new system for determining the "weight" of each tournament based on the strength of the tournament's field in terms of their pre-tournament world rankings. This takes into account the number of top-ranked players participating in the tournament.
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The role of performance curves and strength of field
The Official World Golf Ranking (OWGR) is a system for rating the performance level of professional golfers. It was started in 1986 and has been through several iterations since. The rankings are based on a player's position in individual tournaments over a rolling two-year period. Each player's ranking is calculated by dividing their points total by the number of events they have played, giving them an average score.
Performance curves and strength of field play a crucial role in determining these rankings. The Performance Curve is the mechanism used to determine the value of Performance Points per Strokes Gained World Rating. Each player's scores from stroke-play events in Eligible Tournaments over the relevant Ranking Period are used in a series of simulated events to determine the average Ranking Points expected per each Strokes Gained World Rating. These points are then plotted to create the Performance Curve, which is updated annually.
The number of Performance Points for each player is determined by their Strokes Gained World Rating, which is based on their actual scores in Eligible Tournaments from completed rounds of 18-hole stroke-play. These scores are adjusted for the relative difficulty of each round played over the relevant Ranking Period. Each Strokes Gained World Rating has a corresponding value of Performance Points determined by the Performance Curve.
The Strength of Field (SOF) is calculated by adding the world rating value and the home tour rating value. The world rating value is calculated by assigning a rating value to golfers ranked in the world's top 200, with the number one golfer receiving a rating value of 45, down to golfers ranked 101-200 who receive a rating value of 1 each. The maximum possible world rating value is 925, but this would only occur if all the top 200 golfers were playing. The home tour rating value is calculated similarly, with the leading 30 golfers from the previous year's "home tour" receiving rating values. The total home tour rating value is limited to 75% of the world rating value.
The SOF value is then used to assign the total points available for an event. Each player's finishing position in the tournament determines the percentage of the total points they receive. The higher the strength of the field, the more ranking points are awarded. For example, major tournaments like the Masters or the U.S. Open offer more ranking points than smaller events because of the higher competition level.
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Calculating a golfer's world ranking average
The Official World Golf Ranking (OWGR) is a system for rating the performance level of professional golfers. It was started in 1986 and is calculated over a two-year rolling period.
To calculate a golfer's world ranking average, their total points are divided by the number of eligible tournaments they have played. This creates an average score, which is then used to rank players. A minimum of 40 eligible tournaments over the ranking period must be played for a golfer to qualify for a ranking.
The number of points awarded depends on the tournament's field rating, which is based on the tournament's prestige and difficulty. Major tournaments, such as the Masters or the U.S. Open, have a higher field rating and thus offer more ranking points. The ranking of each event is calculated by adding the "world rating value" and the "home tour rating value" to give a "Strength of Field" value. The winner of an event is awarded the same number of points as the event's ranking. For example, if an event has a ranking of 100, the winner will receive 100 ranking points. The second-place golfer gets 60% of this amount, 40% for third, 30% for fourth, and so on.
The resulting averages for all players are put into descending order to produce the ranking table. This means that the player with the highest average score will be ranked first.
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Frequently asked questions
New rankings are calculated each week.
Since 2012, only a player's 52 most recent tournaments are used to calculate their ranking average. Players must play a minimum of 40 tournaments in a two-year rolling period to qualify for a ranking.
Points are derived from each eligible tournament's field rating. The number of points available depends on the tournament's strength of field, i.e. the number of top-ranked players competing. A world rating value and a home tour rating value are calculated and added together to give a strength of field value, which is then converted into an event ranking.
Points are maintained at full value for a 13-week period from the date they were awarded, to place additional emphasis on recent performances. Points are then reduced in equal decrements for the remaining 91 weeks of the two-year ranking period. Each player is ranked according to their average points per tournament.
