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
Example 平均R Example
初期pt Example 1位 Example
東風戦 Example 2位 Example
東南戦 Example 3位 Example
昇段pt Example 4位 Example
在位数 Example Rank based on Tenhou points

Four player

初期pt 東風戦 東南戦 昇段pt 在位数 平均R
1位 2位 3位 4位 1位 2位 3位 4位
Example Example Example Example Example Example Example Example Example Example Example Example Example
Example Example Example Example Example Example Example
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Example Example Example Example Example Example Example
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Example Example Example Example Example Example Example Example Example Example Example Example Example
Example Example Example Example Example Example Example
Example Example Example Example Example Example Example
Example Example Example Example Example Example Example
Example Example Example Example

Three player

External links

Tools