Three-point Field Goal
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Three-point Field Goal
Sara Giauro shoots a three-point shot at the 2005 FIBA Europe Cup Women's Finals

A three-point field goal (also 3-pointer or informally, trey) is a field goal in a basketball game made from beyond the three-point line, a designated arc surrounding the basket. A successful attempt is worth three points, in contrast to the two points awarded for field goals made within the three-point line and the one point for each made free throw.

The distance from the basket to the three-point line varies by competition level: in the National Basketball Association (NBA) the arc is 23 feet 9 inches (7.24 m) from the basket; in FIBA and the WNBA (the latter uses FIBA's three-point line standard) the arc is 6.75 metres or 22 feet  inches from the basket; and in the National Collegiate Athletic Association (NCAA) the arc is 20 feet 9 inches (6.32 m) from the basket. In the NBA and FIBA/WNBA, the three-point line becomes parallel to each sideline at the points where the arc is 3 feet (0.91 m) from each sideline; as a result the distance from the basket gradually decreases to a minimum of 22 feet (6.71 m). In the NCAA the arc is continuous for 180° around the basket. There are more variations (see main article).

In 3x3, a FIBA-sanctioned variant of the half-court 3-on-3 game, the "three-point" line exists, but shots from behind the line are only worth 2 points. All other shots are worth 1 point.[1]

## History

The three-point line was first tested at the collegiate level in a 1945 NCAA game between Columbia and Fordham but it was not kept as a rule. At the direction of Abe Saperstein, the American Basketball League became the first basketball league to institute the rule in 1961. Its three-point line was a radius of 25 feet (7.62 m) from the baskets, except along the sides.[2] The Eastern Professional Basketball League followed in its 1963-64 season.

The three-point shot later became popularized by the American Basketball Association after its introduction in the 1967-68 season. ABA commissioner George Mikan stated the three-pointer "would give the smaller player a chance to score and open up the defense to make the game more enjoyable for the fans."[3] During the 1970s, the ABA used the three-point shot, along with the slam dunk, as a marketing tool to compete with the National Basketball Association (NBA).

The official scorer's report showing the first made three-point field goal in NBA history.

In the 1979-80 season, after having tested it in the previous pre-season, the NBA adopted the three-point line despite the view of many that it was a gimmick.[4]Chris Ford of the Boston Celtics is widely credited with making the first three-point shot in NBA history on October 12, 1979. Kevin Grevey of the Washington Bullets also made one on the same day.

The sport's international governing body, FIBA, introduced the three-point line in 1984, at a distance of 6.25 m (20 ft 6 in).

The NCAA's Southern Conference became the first collegiate conference to use the three-point rule, adopting a 22-foot (6.71 m) line for the 1980-81 season.[5][6] Ronnie Carr of Western Carolina University was the first to score a three-point field goal in college basketball history on November 29, 1980.[6][7][8] Over the following five years, NCAA conferences differed in their use of the rule and distance required for a three-pointer. The line was as close as 17 ft 9 in (5.41 m) in the Atlantic Coast Conference, and as far away as 22 feet in the Big Sky Conference.[9] Used in conference play, it was adopted by the NCAA for the 1986-87 men's season at 19 ft 9 in (6.02 m), and was first used in the NCAA Tournament in 1987.[10] In the same 1986-87 season, the NCAA adopted the three-pointer in women's basketball on an experimental basis, using the same 19 ft 9 in distance, and made its use mandatory beginning in 1987-88.[11] In 2007, the NCAA lengthened the men's three-point distance to 20 ft 9 in (6.32 m), with the rule coming into effect at the beginning of the 2008-09 season.[12] The NCAA women's three-point distance was moved to match the men's distance in 2011-12.[11]American high schools, along with elementary and middle schools, adopted a 19 ft 9 in (6.02 m) line nationally in 1987, a year after the NCAA.[13] The NCAA used the FIBA three-point line (see below) in the 2018 National Invitation Tournament.[14]

During the 1994-95, 1995-96, and 1996-97 seasons, the NBA attempted to address decreased scoring by shortening the distance of the line from 23 ft 9 in (7.24 m) (22 ft (6.71 m) at the corners) to a uniform 22 ft (6.71 m) around the basket. From the 1997-98 season on, the NBA reverted the line to its original distance of ( at the corners, with a 3 inch differential). Ray Allen is currently the NBA all-time leader in career made three-pointers with 2,973.[15]

In 2008, FIBA announced that the distance would be increased by 50 cm (19.69 in) to 6.75 m (22 ft  in), with the change being phased in beginning in October 2010. In December 2012, the WNBA announced that it would be using FIBA's distance, too, as of the 2013 season. The NBA has discussed adding a four-point line, according to president Rod Thorn.[16]

In the NBA, three-point field goals have become increasingly more frequent along the years, with effectiveness increasing slightly. The 1979-80 season had an average 2.2 three-point goals per game and 6.6 attempts (28% effectiveness). The 1989-90 season had an average 4.8 three-point goals per game and 13.7 attempts (35% effectiveness). The 2009-10 season had an average 6.4 three-point goals per game and 18.1 attempts (36% effectiveness). The 2016-17 season had an average 9.7 three-point goals per game and 27.0 attempts (36% effectiveness).[17]

## Rule specifications

A three-point line consists of an arc at a set radius measured from the point on the floor directly below the center of the basket, and two parallel lines equidistant from each sideline extending from the nearest end line to the point at which they intersect the arc. In the NBA and FIBA standard, the arc spans the width of the court until it is a specified minimum distance from each sideline. The three-point line then becomes parallel to the sidelines from those points to the baseline. The unusual formation of the three-point line at these levels allows players some space from which to attempt a three-point shot at the corners of the court; the arc would be less than 2 feet (0.61 m) from each sideline at the corners if it was a continuous arc. In the NCAA and American high school standards, the arc spans 180° around the basket, then becomes parallel to the sidelines from the plane of the basket center to the baseline (5 feet 3 inches or 1.60 metres). The distance of the three-point line to the center of the hoop varies by level:

 Arc radius Minimum distance from sidelines National Basketball Association 23 feet 9 inches (7.24 m) 3 feet (0.91 m) [18] FIBA (also used by WNBA) 22 feet 2 inches (6.76 m) 4 feet 1 inch (1.24 m) [19] National Collegiate Athletic Association 20 feet 9 inches (6.32 m) 4 feet 3 inches (1.30 m) [20] American high school basketball 19 feet 9 inches (6.02 m) 5 feet 3 inches (1.60 m) [21]

A player's feet must be completely behind the three-point line at the time of the shot or jump in order to make a three-point attempt; if the player's feet are on or in front of the line, it is a two-point attempt. A player is allowed to jump from outside the line and land inside the line to make a three-point attempt, as long as the ball is released in mid-air.

An official raises his/her arm with three fingers extended to signal the shot attempt. If the attempt is successful, he/she raises his/her other arm with all fingers fully extended in manner similar to a football official signifying successful field goal to indicate the three-point goal. The official must recognize it for it to count as three points. Instant replay has sometimes been used, depending on league rules. The NBA,[22] WNBA, FIBA and the NCAA specifically allow replay for this purpose. In NBA, FIBA, and WNBA games, video replay does not have to occur immediately following a shot; play can continue and the officials can adjust the scoring later in the game, after reviewing the video. However, in late game situations, play may be paused pending a review.

If a shooter is fouled while attempting a three-pointer and subsequently misses the shot, the shooter is awarded three free-throw attempts. If a player completes a three-pointer while being fouled, the player is awarded one free-throw for a possible 4-point play. Conceivably, if a player completed a three-pointer while being fouled, and that foul was ruled as either a Flagrant 1 or a Flagrant 2 foul, the player would be awarded two free throws for a possible 5-point play.

## Related concepts

Major League Lacrosse features a two-point line which forms a 15-yard (14 m) arc around the front of the goal. Shots taken from behind this line count for two points, as opposed to the standard one point.

In gridiron football, a standard field goal is worth three points; various professional and semi-pro leagues have experimented with four-point field goals. NFL Europe and the Stars Football League adopted a rule similar to basketball's three-point line in which an additional point was awarded for longer field goals; in both leagues any field goal of 50 yards (46 m) or more was worth four points. The Arena Football League awards four points for any successful drop kicked field goal (like the three-point shot, the drop kick is more challenging than a standard place kick, as the bounce of the ball makes a kick less predictable, and arena football also uses narrower goal posts for all kicks than the outdoor game does).

During the existence of the World Hockey Association in the 1970s, there were proposals for two-point hockey goals for shots taken beyond an established distance (one proposal was a 44-foot (13.4m) arc, which would have intersected the faceoff circles), but this proposal gained little support and faded after the WHA merged with the NHL. It was widely believed that long-distance shots in hockey had little direct relation to skill (usually resulting more from goalies' vision being screened or obscured), plus with the lower scoring intrinsic to the sport a two-point goal was seen as disruptive of the structure of the game.

The Super Goal is a similar concept in Australian rules football, in which a 50-meter (55 yd) arc determines the value of a goal; within the arc, it is the usual 6 points, but 9 points are scored for a "super goal" scored from outside the arc. To date the super goal is only used in pre-season games and not in the season proper.[23]

The National Professional Soccer League II, which awarded two points for all goals except those on the power play, also used a three-point line, drawn 45 feet (14 m) from the goal. It has since been adopted by some other indoor soccer leagues.

## References

1. ^ "Article 5: Scoring" (PDF). 3x3 Official Rules of the Game. FIBA. January 2016. Retrieved 2017.
2. ^ Frazier, Walt; Sachare, Alex (1998). The Complete Idiot's Guide to Basketball. New York City: Penguin Group.
3. ^ "4-Point Play Gets Approval By ABA". Associated Press. July 11, 1967. Retrieved 2013.
4. ^ "The History of the 3-Pointer - iHoops". Web.archive.org. 16 December 2010. Archived from the original on 16 December 2010. Retrieved 2017.
5. ^ Sanders, Steve (February 9, 1981). "22 will get you 3". Spartanburg Herald. South Carolina. p. B1.
6. ^ a b "Basketball". Southern Conference. Retrieved 2015.
7. ^ "Carr's shot makes cage Hall of Fame". Gadsden Times. Alabama. Associated Press. May 31, 1981. p. 36.
8. ^ "Three-pointer turns 25". Eugene Register-Guard. Associated Press. December 3, 2005. p. B3.
9. ^ "Debate over 3-pointer Continues". Web.archive.org. 26 July 2010. Archived from the original on 5 December 2012. Retrieved 2017.
10. ^ Butts, David (April 3, 1986). "NCAA adds three-point basket". Bryan Times Agency=UPI. p. 12.
11. ^ a b "NCAA Women's Basketball Playing Rules History" (PDF). NCAA. Retrieved 2017.
12. ^ "Important Rules Changes by Year" (PDF). NCAA Men's Basketball Record Book. NCAA. Retrieved 2017.
13. ^ Lynch, John (27 March 1987). "High School Basketball Draws Line, Adopts 3-Point Rule". Los Angeles Times.
14. ^ Bonagura, Kyle (February 27, 2018). "NIT to experiment with new rules this season". ESPN.com. Retrieved 2018.
15. ^ "NBA & ABA Career Leaders and Records for 3-Pt Field Goals | Basketball-Reference.com". Basketball-Reference.com. Retrieved .
16. ^ "NBA has discussed bigger court, 4-point shot". Espn.go.com. 2014-02-25. Retrieved .
17. ^ NBA League Averages - Basketball Reference
18. ^ "Rule No. 1---Court Dimensions--Equipment". NBA Official Rules. Retrieved 2010.
19. ^ "Official Basketball Rules 2010". FIBA. Retrieved 2018.
20. ^ "2009 Court Diagram" (PDF). NCAA. Archived from the original (PDF) on 28 June 2010. Retrieved 2010.
21. ^ "Basketball Court Diagram" (PDF). Nebraska School Activities Association. Retrieved 2011.
22. ^ "Description of the NBA's new instant replay rules". NBA.com. October 23, 2008. Retrieved 2008.
23. ^ Denham, Greg (February 14, 2012). "NAB Cup's ruck and holding rules may run season". The Australian. Archived from the original on March 6, 2012.