IBF's New World Ranking System (國際羽總世界排名標準)
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"In accordance with IBF Policy. a new World Ranking System will operate
from 1 January 1995. This document is intended to assist players and
officials to understand the system and its operation.
The rankings for the period 1 April 1995 to 31 March 1996 will be used to
determine those player eligible to compete in the e 1996 Olympic Games in
Atlanta.
IBF World Rankings
1. Definition
The World Rankings are lists of players/pairs in order of strength as
calculated using a points-based system.
2 Events included
The Rankings are derived from all IBF-sanctioned events (except Junior and
invitational events other than the World Cup) held during the previous
52-week period. These events are graded and the details published in the
International Calendar of Events.
3.Lists
The top 200 men's and ladies' singles and top 100 men' and ladies' and
mixed doubles world Rankings are published monthly. The full lists of all
players who have played in more than one event are published quarterly.
4.Points System
Players/pairs win basic points according to how far they progress in the
draw of a particular event.
The total points won by players/pairs in an event are the sum of the basic
points and bonus points won.
If players/pairs have a bye or walkover in the first round and lose in the
second round they receive first round loser points. However once a match
has commenced, appropriate points are awarded.
5.Bonus Points
Bonus points are won by players according to the results of head-to-head
matches. Players/pairs win bonus points if they beat players/pairs ranked
above them at the time of the event concerned.
Singles and Doubles
Ranking of
player/pair
beaten Bonus Points
1 50
2-5 45
6-10 36
11-20 24
21-30 18
31-50 12
51-75 6
76-100 3
101-150 2
151-200 1
6.Ranking
The ranking of players/pairs who have competed in 8 or fewer events is
worked out by taking the total points they have won (i.e. basic point plus
bonus points - as affected by any time reduction and dividing them by 8.
In the case of players/pairs who have competed in more than 8 events within
the last 12 months, the ranking is obtained by dividing the total points by
the number of events played.
Players/pairs are then ranked in descending order of points.
7.Time reduction
Points won(including bonus points) in an event are subject to a time
reduction factor. This means that if;
?the event was more than 13 weeks ago, points are worth 90% of their
original value
?the event was more than 26 weeks ago, points are worth 75% of their
original value
?the event was more than 39 weeks ago , points are worth 55% of their
original value
8.Points lists
The tables on the following pages show the points awarded in IBF -
sanctioned events.
World Grand Prix Tournaments
Gradings
7* 6* 5* 4* 3* 2* 1*
Winner 600 540 480 420 360 300 240
R/Up 510 459 408 357 306 255 204
3/4 420 378 336 294 252 210 168
5.8 330 297 264 231 198 165 132
9/16 240 216 192 168 144 120 96
17/32 150 135 120 105 90 75 60
33/64 60 54 48 42 36 30 24
65/128 30 27 24 21 18 15 12
129/256 12 10.8 9.6 8.4 7.2 6 4.8
257/512 6 5.4 4.8 4.2 3.6 3 2.4
513/1024 3 2.7 2.4 2.1 1.8 1.5 1.2
Notes
1. World Championships & Olympic Games are rated as 7* tournaments
2. World Cup and word Grand Prix Finals are 6* events.
3. Events other than those in the Worl Grand Prix may be graded as
"star" events, This applies, for instance, in round fobin and individual
group events.
Other Individual Tournaments
Gradings
A B C D E
Winner 180 120 60 40 20
R/Up 153 102 51 34 17
3/4 126 84 42 28 14
5/8 99 66 33 22 11
9/16 72 48 24 16 8
17/32 45 30 15 10 5
33/64 18 12 6 4 2
65/128 9 6 3 2 1
129/256 3.6 2.4 1.2 0.8 0.4
257/512 1.8 1.2 0.6 0.4 0.2
513/1024 0.9 0.6 0.3 0.2 0.1
Team Events
Sudirman Cup
Group Winner Loser
1(A or B)225 90
2 180 72
3 150 60
4 120 48
5 90 36
6 75 30
7 60 24
8 45 18
8 45 18
9 30 12
10 22 9
11 15 6
Note Players/pairs can gain points for their best two results only.
Thomas & Uber cups
Winner Loser
First Stage
1st singles/doubles 60 24
2nd singles/doubles 45 18
3rd singles` 30 12
Semi Final Stage
1st singles/doubles 180 72
2nd singles/doubles 150 60
3rd singles` 120 48
Note Players/pairs can gain points only for their best two results in
the preliminary and semi-final stages combined, which together count as one
event.
Final Stage
1st singles/doubles 225 90
2nd singles/doubles 180 72
3rd singles` 150 60
Note Players/pairs can gain points for their best two results only.
Continental Championships.
Individual Championships
Asian championships are grades as a 4* World Grand Prix Event.
European Championships are grades as a 3* World Grand Prix Event
Panamerican Championships are graded as a 1* World Grand Prix Event
African Championships are grades as a B Event.
Team Championships
Winner Loser
Asian Division 1
a. Preliminary Round 150 60
b. Ranking 180 72
Asian Division 2
c. Preliminary Round 90 36
d. Ranking 120 48
European
e. Group 1 120 48
f. Group 2 75 30
European - B
g.Preliminary Round 22 9
h. Ranking 37 15
Panamerican
I Group 1 75 30
African
j. Group 1 22 9
Note
In the six competitions above player/pairs can gain points for their best
two results only.
Working example of a player points
Player A during the las 12 months has participated as follows
Points Ranking Points
13 or fewer weeks ago
reached round of 32 in 2* event 75 141
(100%)
reached round of 8 in "B" event 66
more than 13 weeks ago, but 26 or fewer weeks ago
no matches - -
more than 26 weeks ago, but 39 or fewer weeks ago
played 4 Sudiriman Cup ties in Group 10
winning 2 and losing 2 44 82
(50%)
won "C" event 60
beat player ranked 75 6
lost in round of 64 at 6* event 54
more than 39 weeks ago
runner up in "A" event 153 38.25
(25%)
Total Points 261.25
Therefore Ranking points average 261.25/8 = 32.7
(6 events) "
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