Osamuko's Mahjong Blog

Osamuko's Mahjong Blog

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Photo Gallery

It's been there for a while but I've done a mass upload of photos from mahjong tournaments across the world, it can accessed at https://osamuko.com/photos

Akagi X Mahjong Soul Collaboration Summary

Akagi X Mahjong Soul Collaboration Summary

Yostar has revealed details about the upcoming Akagi collaboration in a special live stream. The live stream was hosted by VTuber Airi, and twitch streamer Tipzntrix. It started with a brief introduction to Mahjong Soul and the Akagi series (as well as Ten), viewers were then shown a trailer featuring

Mahjong Soul X Akagi Collab Announced

Mahjong Soul X Akagi Collab Announced

Yostar has announced that the popular online mahjong game Mahjong Soul will hold a collaboration event with Nobuyuki Fukumoto's hit mahjong manga/anime series Akagi. This will be Mahjong Soul's fourth collaboration, previous collabs were with Linovel, Saki and Kakegurui. Details are scarce but will be posted here when more

The Japanese Mahjong Wiki Has Moved + Open to Suggestions

The Japanese Mahjong Wiki Has Moved + Open to Suggestions

Since 2013, bps, author of the definitive (at the time) English Tenhou Documentation (http://arcturus.su/tenhou/) has hosted the Japanese Mahjong Wiki however, due to their life getting busier they were looking for someone to take over as webmaster so I volunteered and have now taken over. This handover

Common mistakes (4)

Common mistakes (4)

Not so common, more like silly mistakes. 1.In a recently played match, I had the following tenpai: Dora: 6m (Hatsu was pon'd)Nothing special, it's a tenpai waiting on 78m. Then I drew 4m. It's either 4666m with 45m wait or 6668 with 78m wait. Better discard 4m since

First M League Team Draft

First M League Team Draft

Team1st Pick2nd Pick3rd PickKonami Mahjong Fight ClubHisato SasakiMari Takamiya Yuudai MaeharaShibuya ABEMASOoi TakaharuSho ShiratoriYoshiro Matsumoto*Sega Sammy PhoenixYuumi UotaniSeiichi KondoSayaka KayamoriEX FurinkazanAki Nikaidou Kazunori TakizawaKenji KatsumataTEAM RAIDENMasato HagiwaraNaoki SetokumaSaki KurosawaAkasaka DrivensKen SonodaJun MurakamiTarou Suzuki*U-NEXT PIRATESGo KobayashiKoushin Asakara (ASAPIN)Nobuhiro Ishibashi**ABEMAS, Drivens and PIRATES all picked Tarou as their

M League - What is Known So Far

M League - What is Known So Far

CyberAgent, Inc, an internet service company, announced the creation of a new professional mahjong league, M League. M League aims to promote mahjong as a competitive sport, with the goal of including mahjong in the Olympics. Here’s what is known so far:

History of Japanese Mahjong

History of Japanese Mahjong

Mister Mahjong, Takeo Kojima, passed away in May. I believe it was known for some time that Kojima’s health was failing. In September Mondo released a documentary about his life (Mister Mahjong: Takeo Kojima's Footprint) I met Kojima at the first World Riichi Championship. I don’t believe we

[Houou Lab] Looking at Tenhoui ASAPIN’s Calling Part 2 (Calling when cornered, chasing after riichi)

[Houou Lab] Looking at Tenhoui ASAPIN’s Calling Part 2 (Calling when cornered, chasing after riichi)

In the first part, we introduced ASAPIN’s criteria for opening his hands, and calling to elongate and switch out shapes. This time, we will discuss melding when you’re cornered, chasing after riichi by melding, this is the essence of ASAPIN’s mahjong technique.

Fuzz Releases New Mahjong Server, Jong City

Fuzz Releases New Mahjong Server, Jong City

Japanese developer Fuzz released a new mahjong server in February called "Jong City" with support from pro leagues Real Mahjong Unit and Nihon Pro Mahjong. The server's key feature is webcam support and the ability to play top professionals from RMU and NPM as well as special guests, such as

[Houou Lab] Looking at Tenhoui ASAPIN’s Calling Part I

[Houou Lab] Looking at Tenhoui ASAPIN’s Calling Part I

Original article by Kentaro on his blog [http://saikyo-jansi.com/2017/11/02/%E3%80%90%E5%A4%A9%E9%B3%B3%E3%80%91%E9%B3%B3%E5%87%B0%E5%8D%93%E5%BC%B7%E8%80%85%E7%A0%94%E7%A9%B625%EF%BC%9Aasapin%E3%

ASAPIN Joins a Pro League

ASAPIN Joins a Pro League

ASAPIN, the legendary player who reached Tenhou's summit twice, announced [https://saikouisen.com/news/%E6%9C%9D%E5%80%89%E5%BA%B7%E5%BF%83%E9%81%B8%E6%89%8B-%E5%85%A5%E4%BC%9A%E3%81%AE%E3%81%8A%E7%9F%A5%E3%82%89%

End of an Era, Tonpuusou Shuts Door After 21 Years

End of an Era, Tonpuusou Shuts Door After 21 Years

Online mahjong game Tonpuusou announced it is turning off the servers in March after 21 years of service. Created by Katsu "mjman" Azuma, Tonpuusou made its splash on the mahjong world in December 1996. It quickly became popular and after 3 years had reached 500,000 active accounts. It had

[Paifu Analysis] Is their Riichi hand expensive?

[Paifu Analysis] Is their Riichi hand expensive?

Orginal post: http://doraaka.exblog.jp/15552053/ by Kita Haz. Translation by Butane with permission Hi. Sorry to be getting straight to the point, but let’s say that you’re the dealer in a normal round, and on the 8th turn someone declares Riichi while your hand looks like

Yuudai Maehara Defends Hououisen Title

Yuudai Maehara Defends Hououisen Title

Yuudai Maehara 9 Dan held on to Japan Professional Mahjong League's highest title for the 2nd year. Yuudai has won the Hououisen four times (1995, 2008, 2016. 2017) and shares the record of winning the Hououisen the most times with the late Mitsuru Andou-pro.

A History of Tenhou - Part 1

A History of Tenhou - Part 1

Release history until Tenhou: June 2000 - 25-year-old Tokyo University School of Engineering Postdoctoral student Shingo "C-Egg" Tsunoda released his first game, a free to play RTS 'Egg Market'. Egg Market gained a small fanbase, attracting, on average, 30-40 concurrent users. There was a premium membership option for the cost

International Mahjong Battle @ RTD

International Mahjong Battle @ RTD

(Featured photo and various parts of this post are from Mahjong Watch [http://mj-news.net/game-app/2017022860658%22%3Ehttp://mj-news.net/game-app/2017022860658] in October of 2016, after finally planning my first ever trip to Japan with Daniel Moreno [https://twitter.com/xDasukex/] of PML, I emailed Shingo Tsunoda, creator

World Riichi Championship

Profile: Masaharu Tomotake

Organization: Japan Professional Mahjong League Birthplace: Chiba Year born: 1958 Rank: 8 dan Years Pro: 23 Nickname(s): ? Favouite yaku: Sanshoku Doujun, Honitsu Titles: * 24th Hououi (2004) * 2nd World Riichi Championship (2017) International Tournament Results: * 1st World Riichi Championship 2014 (6/120) * 2nd World Riichi Championship 2017 (1/224) Ron2

2017 World Riichi Championship Las Vegas - Report Part 2 - Tournament

World Riichi Championship

2017 World Riichi Championship Las Vegas - Report Part 2 - Tournament

Day 3 - Thursday 5th I woke up rather early. Even though I went to bed at 3am, I woke up at 6am. Jet lag? I wasn't feeling tired though. While confirming where the breakfast was, I saw Toshiyuki Tomozoe-pro (Afro-pro) from Saikouisen in the shop next door to the

2017 World Riichi Championship Las Vegas - Report Part 1 - Prologue

World Riichi Championship

2017 World Riichi Championship Las Vegas - Report Part 1 - Prologue

The 2017 World Riichi Championship took place in Las Vegas last week and attracted 224 players, almost doubling the participant size from its predecessor, making it no doubt the largest Japanese mahjong tournament outside of Japan. Day 1 I arrived in Vegas on the 3rd of October and after attempting

World Riichi Championship

Profile: Hiroshi Yamai

Hiroshi Yamai made history in 2014 by winning the first WRC. Will he be able to defend his title in 2017?

Profile: Shigekazu Moriyama

Born in 1951, Onoda, Yamaguchi, Shigekazu Moriyama is the president of Japan Professional Mahjong League.

Upcoming (online) tournaments

Upcoming (online) tournaments

**1.Summer Global Open **(finished) (or Winter if you are in the southern hemisphere) It’s an open tournament, so everyone can register, provided that they are available at the designated time. Info: http://tinyurl.com/summerglobalopen Register: https://goo.gl/forms/UoKpGQeo3wIhNz4Y2 Tournament room: http://tenhou.net/0/?C10350560

My Discord server. Common mistakes (3)

My Discord server. Common mistakes (3)

Recently, I opened a new Discord server, with the purpose of having more quality discussions about the competitive aspect of the game. This is for people who want to improve and learn how to be as good as they can possibly be, and as such not recommended for people who

Equipments for Tokujou

Equipments for Tokujou

If you are a Tenhou player, you should have known that there are 4 different rooms for 4 different levels: Ippan, Joukyuu, Tokujou, Houou. Before getting to the main parts of this article, let’s see what those 4 levels are about – those descriptions are from the famous Riichi Book