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[[Tenhou.net]] uses a ranking system, where players are ranking according to two criteria.  The first criteria uses the '''dan ranking''' {{kana|段}} system.  The other criteria is the ELO system, indicated as R####.
[[Tenhou.net]] uses a ranking system, where players are ranking according to two criteria.  The first criteria uses a combination of the '''kyuu ranking''' {{kana|級}} and the '''dan ranking''' {{kana|段}} systems.  The other criteria is the ELO system, indicated as R####.


== Ranking system==
== Ranking system ==
Tenhou.net uses two different number systems to determine player ranking: kyuu/dan ranks and the Elo system.  For every game, points may be awarded or deducted based on game placement (1st throught 4th).  The points awarded or deducted are noted in tables below.  Placing 1st or 2nd awards points, while 4th has points deducted.  Prior to the rank of 2級 (2-kyuu), players need not worry about point deductions.  Afterwards, that would no longer be the case.


Every time a player moves up in rank, the points in Tenhou default to the value indicated at '''base points''' {{kana|初期pt}} column.  If those base points fall below zero, then the player drops a rank.  If the player attains enough points to surpass the '''target points''' {{kana|昇段pt}}, then a rank promotion occurs.
===Account sharing policy===
In general, account sharing is prohibited.  Every Tenhou account code is reserved on an individual player basis.  Any account found to have been shared will be warranted a ban from the ladder system.  However, accounts may be shared for use in private lobbies.
===The R rating===
At the very beginning, every player begins with a base rating of 1500.  That number increases or decreases based on wins or losses, as well as the relative rating of the other players.  The change in rating after each game is applied as follows:<ref>https://tenhou.net/man/#Rating</ref>
Rating_change = Adjustment*(Placement_base+(Average_table_rate - Own_rate)/40)
Placement_base = 30/10/-10/-30 for ''yonma'', 30/0/-30 for ''sanma''.
Adjustment = 1-(Games_played*0.002); if games played < 400, 0.2 if games played >=400
To access the higher two lobbies, both '''tokujou''' {{kana|特上}} and '''houou''' {{kana|鳳凰 }} also require minimum ratings.  For tokujou, a 4-dan {{kana|四段}} may access the lobby with a minimum of 1800.  Houou players are required to retain a rating of 2000 or greater at a rank of 7-dan or better {{kana|七段}}.
===Individual player statistics===
Players with registered IDs have various statistics tracked by Tenhou.net.  These numbers can be read on the right side of the [[Tenhou.net#Game_lobby|lobby window]].
[[Image:Tenhoustats.png|thumb|right|250px|Tenhou lobby with statistics.]]
Statistics:<ref>http://osamuko.com/sex/</ref>
{| class="wikitable"
|-
! English !! Japanese !! Description
|-
|colspan=3|''Upper section''
|-
|colspan=3|Player username at the top
|-
| Yuukoukigen || 有効期限 || Subscription status, for premium users.  Date of expiration shown.
|-
|colspan=2|Rank, points, and rate ||
* Current [[Tenhou.net ranking|Tenhou rank]] displayed here
* Current points / Points needed to the next rank
* Current R####
|-
| Ichiiritsu  || １位率 || 1st place rate %
|-
| Niiritsu || ２位率 || 2nd place rate %
|-
| Sanritsu || ３位率 || 3rd place rate %
|-
| Yonritsu || ４位率 || 4th place rate %
|-
| Tobiritsu || 飛び率 || Negative points rate %
|-
|  || 対戦数 || Total number of games played, under the current username.
|-
| || 平均得点 || Average point gain
|-
| || 平均順位 || Average placement
|-
| Agariritsu || 和了率 || Hand win rate %
|-
| Houjuuritsu || 放銃率 || Deal in rate %
|-
| Nakiritsu || 副露率 || [[Naki|Tile call]] rate %
|-
| Riichiritsu|| 立直率 || [[Riichi]] rate %
|-
|colspan=3|''Lower section''
|-
|colspan=2 align=center|# + # + # + # = #戦 || Game count per month, broken down by 1st, 2nd, 3rd, and 4th places.
|-
| || R#### #####位 || Rate position ranking.  The R#### is the same displayed above.  The five digit number is placement relative to others in the same game mode.
|-
| Tsuusan<br>Heikin || 通算<br>平均 || Two columns labels for the four rows of statistics below.  Left (Tsuusan) is the raw.  Right (Heikin) is the average.
|-
| Tokuten || 得点 || Refers to the sum/average of the [[uma|end game]] +/- scores.
|-
| Junii || 通算 ||
|-
| || 収支 || Income.  Only for Jansou mode.
|-
|-
| || 祝儀 || Chips.  Only for Jansou mode.
|-
| || 総合 || Total
|-
| Topritsu || トップ率 || This is the first place rate %.
|-
| Rentairitsu || 連対率 || Upper half rate %.  This factors the placement in 1st and 2nd.
|-
| Rasuritsu || ラス率|| Rasu, or last, is the rate % at which 4th place is attained.
|}
== Ladder scale ==
{| class="wikitable" width=45% align=right
{| class="wikitable" width=45% align=right
! colspan=4 | Table key
! colspan=4 | Table key
Line 29: Line 115:
: The starting amount of points for the current rank.
: The starting amount of points for the current rank.
* East only
* East only
: Ranking columns for [[Tonpussen|East-only]] games.
: Ranking columns for [[Tonpuusen|East-only]] games.
* East-South
* East-South
: Ranking columns for [[Hanchan|full East-South]] games.
: Ranking columns for [[Hanchan|full East-South]] games.
Line 45: Line 131:
: Upon achieving the next rank, excess Tenhou points is dropped and reset to the next base points.
: Upon achieving the next rank, excess Tenhou points is dropped and reset to the next base points.


===Four player===
=== Four player ===
{| class="wikitable" width=50%
{| class="wikitable"
|-
|-
! rowspan=2| 位  
! rowspan=2| 位  
Line 65: Line 151:
| align=center| 新人
| align=center| 新人
| align=center| 0  
| align=center| 0  
| rowspan=9 align=center| 一般<br>+30
| rowspan=9 align=center| 一般<br>+20
| rowspan=9 align=center| 一般<br>+0
| rowspan=9 align=center| 一般<br>+10
| rowspan=20 align=center| +0
| rowspan=20 align=center| +0
| align=center| 0
| align=center| 0
| rowspan=9 align=center| 一般<br>+45
| rowspan=9 align=center| 一般<br>+30
| rowspan=9 align=center| 一般<br>+0
| rowspan=9 align=center| 一般<br>+15
| rowspan=20 align=center| +0  
| rowspan=20 align=center| +0  
| align=center| 0  
| align=center| 0  
| align=center| 30
| align=center| 20
|-
|-
| align=center| 9級 || align=center| 0 || align=center| 0 || align=center| 0 || align=center| 30
| align=center| ９級 || align=center| 0 || align=center| 0 || align=center| 0 || align=center| 20
|-
|-
| align=center| 8級 || align=center| 0 || align=center| 0 || align=center| 0 || align=center| 30
| align=center| ８級 || align=center| 0 || align=center| 0 || align=center| 0 || align=center| 20
|-
|-
| align=center| 7級 || align=center| 0 || align=center| 0 || align=center| 0 || align=center| 60
| align=center| ７級 || align=center| 0 || align=center| 0 || align=center| 0 || align=center| 20
|-
|-
| align=center| 6級 || align=center| 0 || align=center| 0 || align=center| 0 || align=center| 60
| align=center| ６級 || align=center| 0 || align=center| 0 || align=center| 0 || align=center| 40
|-
|-
| align=center| 5級 || align=center| 0 || align=center| 0 || align=center| 0 || align=center| 60
| align=center| ５級 || align=center| 0 || align=center| 0 || align=center| 0 || align=center| 60
|-
|-
| align=center| 4級 || align=center| 0 || align=center| 0 || align=center| 0 || align=center| 90
| align=center| ４級 || align=center| 0 || align=center| 0 || align=center| 0 || align=center| 80
|-
|-
| align=center| 3級 || align=center| 0 || align=center| 0 || align=center| 0 || align=center| 100
| align=center| ３級 || align=center| 0 || align=center| 0 || align=center| 0 || align=center| 100
|-
|-
| align=center| 2級 || align=center| 0 || align=center| -10 || align=center| -15 || align=center| 100
| align=center| ２級 || align=center| 0 || align=center| -10 || align=center| -15 || align=center| 100
|-
|-
| align=center| 1級
| align=center| １級
| align=center| 0
| align=center| 0
| rowspan=4 align=center| 上級<br>+40
| rowspan=4 align=center| 上級<br>+40
Line 126: Line 212:
| rowspan=4 align=center| 鳳凰<br>+30
| rowspan=4 align=center| 鳳凰<br>+30
| align=center| -90  
| align=center| -90  
| rowspan=4 align=center| 特上<br>+90
| rowspan=4 align=center| 鳳凰<br>+90
| rowspan=4 align=center| 特上<br>+45
| rowspan=4 align=center| 鳳凰<br>+45
| align=center| -135  
| align=center| -135  
| align=center| 2800▼
| align=center| 2800▼
Line 141: Line 227:
|}
|}


===Three player===
=== Three player ===
{| class="wikitable" width=50%
{| class="wikitable"
|-
|-
! rowspan=2| 位  
! rowspan=2| 位  
Line 167: Line 253:
| align=center| 30
| align=center| 30
|-
|-
| align=center| 9級 || align=center| 0 || align=center| 0 || align=center| 0 || align=center| 30  
| align=center| ９級 || align=center| 0 || align=center| 0 || align=center| 0 || align=center| 30  
|-
|-
| align=center| 8級 || align=center| 0 || align=center| 0 || align=center| 0 || align=center| 30  
| align=center| ８級 || align=center| 0 || align=center| 0 || align=center| 0 || align=center| 30  
|-
|-
| align=center| 7級 || align=center| 0 || align=center| 0 || align=center| 0 || align=center| 60  
| align=center| ７級 || align=center| 0 || align=center| 0 || align=center| 0 || align=center| 60  
|-
|-
| align=center| 6級 || align=center| 0 || align=center| 0 || align=center| 0 || align=center| 60
| align=center| ６級 || align=center| 0 || align=center| 0 || align=center| 0 || align=center| 60
|-
|-
| align=center| 5級 || align=center| 0 || align=center| 0 || align=center| 0 || align=center| 60
| align=center| ５級 || align=center| 0 || align=center| 0 || align=center| 0 || align=center| 60
|-
|-
| align=center| 4級 || align=center| 0 || align=center| 0 || align=center| 0 || align=center| 90
| align=center| ４級 || align=center| 0 || align=center| 0 || align=center| 0 || align=center| 90
|-
|-
| align=center| 3級 || align=center| 0 || align=center| 0 || align=center| 0 || align=center| 100
| align=center| ３級 || align=center| 0 || align=center| 0 || align=center| 0 || align=center| 100
|-
|-
| align=center| 2級 || align=center| 0 || align=center| -10 || align=center| -15 || align=center| 100
| align=center| ２級 || align=center| 0 || align=center| -10 || align=center| -15 || align=center| 100
|-
|-
| align=center| 1級
| align=center| １級
| align=center| 0
| align=center| 0
| rowspan=4 align=center| 上級<br>+50
| rowspan=4 align=center| 上級<br>+50
| align=center| -20  
| align=center| -20  
| rowspan=4 align=center| 上級<br>+75
| rowspan=4 align=center| 上級<br>+75
| align=center| -45
| align=center| -30
| align=center| 400▼
| align=center| 100
|-
|-
| align=center| 初段 || align=center| 200 || align=center| -30 || align=center| -45 || align=center| 400▼
| align=center| 初段 || align=center| 200 || align=center| -30 || align=center| -45 || align=center| 400▼
Line 213: Line 299:
| rowspan=4 align=center| 鳳凰<br>+90
| rowspan=4 align=center| 鳳凰<br>+90
| align=center| -90  
| align=center| -90  
| rowspan=4 align=center| 特上<br>+135
| rowspan=4 align=center| 鳳凰<br>+135
| align=center| -135  
| align=center| -135  
| align=center| 2800▼
| align=center| 2800▼
Line 226: Line 312:
| colspan=8 align=center| Highest rank possible
| colspan=8 align=center| Highest rank possible
|}
|}
== References ==
{{reflist}}
== External links ==
* [http://tenhou.net/ranking.html Ranking tables]
* [http://arcturus.su/tenhou/ids-ranks.html Ranking documentation]
* [http://arcturus.su/tenhou/ranking/ Tenhou ranking tool]
[[Category:Tenhou.net]]
Retrieved from "https://riichi.wiki/Special:MobileDiff/10407...23908"

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