Tenhou.net

Tenhou (天鳳, tenhou.net) is the one of the most popular online mahjong service in Japan. It is also the platform of choice for the English-speaking community.

Development history

  • 2006/02/20 Hanjyukusou (半熟荘) beta released
  • 2006/08/01 Came out of beta
  • 2006/10/24 10,000 IDs registered
  • 2007/01/20 Changed name to Tenhou
  • 2007/12/25 100,000 IDs registered
  • 2008/02/01 Windows client released
  • 2009/02/20 Houou table opened
  • 2010/08/22 1,000,000 IDs registered
  • 2012/06/09 10,000 concurrent users
  • 2013/07/10 2,500,000 IDs registered

Basic user's guide

Tenhou.net is a Japanese site. So, anyone, who is not familiar with navigating Japanense sites, may have some difficulty.

Game lobby

Game interface

Game rooms

Tenhou.net house rules

The site specifies a number of specific rules. While many general rules and procedures still apply, a number of rules for the game overall may be deemed as "optional"; and they may not apply elsewhere.

Ranking system

Table key
Kanji English Kanji English
Tenhou rank 1位 First place points
初期pt Base points 2位 Second place points
東風戦 East only 3位 Third place points
東南戦 Full hanchan 4位 Fourth place points
昇段pt Target points Rank based on Tenhou points

Four player

初期pt 東風戦 東南戦 昇段pt
1位 2位 3位 4位 1位 2位 3位 4位
新人 0 一般
+30
一般
+0
+0 0 一般
+45
一般
+0
+0 0 30
9級 0 0 0 30
8級 0 0 0 30
7級 0 0 0 60
6級 0 0 0 60
5級 0 0 0 60
4級 0 0 0 90
3級 0 0 0 100
2級 -10 0 -15 100
1級 -20 Example Example Example Example Example -30 100
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Three player

初期pt 東風戦 東南戦 昇段pt
1位 2位 3位 1位 2位 3位
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External links

Tools