Rank - worldwide comparison

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Table of contents

Table of equivalences between ranking systems

Universally valid ranks do not exist; this is a table of approximate rank equivalences.

Please edit it if you have more accurate information than currently presented.

The table starts with beginners and ends with amateur experts.

 Go associations                      | Go servers
 ----------------------------------------------------------------
 AGA   CHINA  EUROPE   JAPAN   KOREA  | NNGS  IGS  DGS  KGS[2]
 ---   -----  ------   -----   -----  | ----  ---  ---  ---
 26K    29K     28K     25K    32Gup  |   ?   BC
 25K    28K     27K     24K    31Gup  |   ?   BC
 24K    27K     26K     23K    30Gup  |   ?   BC
 23K    26K     25K     22K    29Gup  |   ?   22K  25K
 22K    25K     24K     21K    28Gup  |   ?   22K  24K
 21K    24K     23K     20K    27Gup  |   ?   21K  23K
 20K    23K     22K     19K    26Gup  |   ?   21K  22K
 19K    22K     21K     18K    25Gup  |  20K  20K  21K
 18K    21K     20K     17K    24Gup  |  19K  19K  20K
 18K    21K     20K     17K    24Gup  |  19K  18K  20K
 17K    20K     19K     16K    23Gup  |  18K  17K  19K
 16K    19K     18K     15K    22Gup  |  17K  17K  18K
 16K    19K     18K     15K    22Gup  |  17K  16K  18K
 15K    18K     17K     14K    21Gup  |  16K  15K  17K
 14K    17K     16K     13K    20Gup  |  15K  14K  16K
 13K    16K     15K     12K    19Gup  |  14K  14K  15K
 12K    15K     14K     11K    18Gup  |  13K  13K  14K
 12K    15K     14K     11K    18Gup  |  13K  12K  14K
 11K    14K     13K     10K    17Gup  |  12K  11K  13K
 10K    13K     12K      9K    16Gup  |  11K  11K  12K
  9K    12K     11K      8K    15Gup  |  10K  10K  11K
  8K    11K     10K      7K    14Gup  |   9K  10K  10K
  8K    11K     10K      7K    14Gup  |   9K   9K  10K
  7K    10K      9K      6K    13Gup  |   8K   8K   9K  13K
  6K     9K      8K      5K    12Gup  |   7K   8K   9K  12K
  6K     9K      8K      5K    12Gup  |   7K   7K   9K  11K
  5K     8K      7K      4K    11Gup  |   6K   7K   7K  10K
  4K     7K      6K      3K    10Gup  |   5K   6K   6K   9K
  3K     6K      5K      2K     9Gup  |   4K   5K   5K   8K
  2K     5K      4K      1K     8Gup  |   3K   4K   4K   7K
  1K     4K      3K     *1D     7Gup  |   2K   3K   3K   6K
 *1D     3K      2K      2D     6Gup  |   1K   2K   2K   5K
  2D     2K      1K      3D     5Gup  |  *1D   1K   1K   4K
  3D     1K     *1D      4D     4Gup  |   2D  *1D  *1D   3K
  4D    *1D      2D    4-5D     3Gup  |   3D   2D   2D   1K
  5D     2D      3D    5-6D     2Gup  |   4D   3D   3D  *1D
  6D     3D      4D    6-7D     1Gup  |   5D   4D   4D   2D

kritz see: [ext] http://www.pandanet.co.jp/English/ratingsystem/table02.phtml

Related information


Although it is stated above, this does perhaps bear repeating: this table is at best approximate, personal counterexamples abound (see /discussion) and rightly so. The national ranks are arguably likely to be more comparable - they are computed on the grounds of games of a standardised nature, with players in broadly comparable environs; this is markedly not the case on the servers. Where one AGA 4 kyu may play online in an internet cafe, another might have his/her kids running around, the TV on and dinner burning on the stove as they play, or anywhere else for that matter. Perhaps this table should simply remind us:

  1. ranks are a great advantage of go in allowing decent games between players of different strengths but that is all, and they can become a great distraction,
  2. don't take absolute ranks too seriously, and
  3. be prepared to judge handicaps more by the evidence of games and less what the ranks say.

Notes

  • A European 7D grade is believed to be approx equivalent to a professional 1D grade.[102]
  • [1] IGS uses below 28k for "beginner class" users and guest logins.
  • For rank translations between AGA, China, Europe, Japan, Korea, IGS, NNGS, DGS and IYT see function "convert_to_rating()" in [ext] DGS server source code. ErikO: The conversions in "convert_to_rating()" are in most cases taken directly from the rank translation table at NNGS (type help rank).
  • [ext] This site gives a brief list of players and their respective BGA and KGS ranking. It's clearly not scientific in any way, but I think that it does suggest that healthy skepticism is required when thinking about ranks. kokiri

[2] The KGS ranks may not be very well approximated. I used the data from [ext] http://kgs.goclub.info/, and from personal experience to interpolate.


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