I've compiled all the articles I've written about mahjong so far.
To be honest, my understanding of technical aspects is quite limited.
If you're looking for recommendations on tactical books or sections on mindset, this might be somewhat helpful.
Please feel free to use any parts that you find useful.

table of contents
- 1 Tenhou/Jantama related content (Newer content at the bottom)
- 1.1 How to get better at Mahjong: Introduction (for beginners)
- 1.2 Should I play East-South games or East-only games in Tenhou (Mahjong)?
- 1.3 Things that helped me go from 4th dan to 6th dan in Tenhou (Mahjong) (including recommendations for strategy books)
- 1.4 Finally promoted to 6th dan in Tenhou (Mahjong) - A rough analysis of my current performance.
- 1.5 I was demoted from 6th dan to 5th dan in Tenhou (Mahjong), so I'm comparing my performance analysis results with those of the Tenhou champion.
- 1.6 Re-promoted from 5th to 6th dan in Tenhou (Mahjong): Comparison and analysis of areas where improvements were made.
- 1.7 Trial and error at Tenhou (Mahjong) 6th dan: The importance of avoiding last place.
- 1.8 I'm currently struggling at Tenhou (Mahjong), rank 6, and learning from others.
- 1.9 Tenhou (Mahjong): Promoted to 6th dan for the third time. Using the number of successful sequences as a basis for deciding whether to push or fold.
- 1.10 I was promoted to 7th dan in Tenhou (Mahjong) for the first time. I'll share what helped me overcome the hurdle of 6th dan.
- 1.11 My impressions after playing the online mahjong game "Jantama" until I reached the rank of Mahjong Master.
- 1.12 Mahjong Soul (Jantama): An analysis of my own performance and my current strategy in the King's Room.
- 1.13 Compare and analyze your performance over a specified period using the Mahjong Soul Ticket Log Shop.
- 1.14 Mahjong Soul: Things I keep in mind to reduce my last-place rate
- 1.15 Mahjong Soul: How to progress from Mahjong Saint 2 to Mahjong Saint 3
- 1.16 How to improve your performance in online mahjong game, Jan Soul.
- 1.17 An analysis of when you feel you're having bad luck in Mahjong Soul: The Riichi Edition (Mahjong Soul Ticket Record Shop)
- 1.18 Having the Mahjong AI "Mortal" analyze game records (Mahjong Soul, Tenhou)
- 1.19 Mahjong Soul (Jantama): Points where I changed my playing style since last year and improved my performance.
- 2 technical theory
- 2.1 How to improve your mahjong skills: Push/fold decisions (for beginners)
- 2.2 How to become a better mahjong player: The art of defending (for beginners)
- 2.3 How to improve your Mahjong skills: Calling techniques (for beginners)
- 2.4 Is it a bad-shaped, high-scoring tenpai, or a good-shaped, low-scoring tenpai?
- 2.5 To get better at mahjong, try thinking about new theories.
- 3 psychology
- 3.1 To become a better mahjong player, you need to control your mental game.
- 3.2 Words to help you stay calm after getting last place in a row in Tenhou
- 3.3 Are you okay? A summary of the behaviors of people who are bad at mahjong (mainly regarding manners)
- 3.4 Use the "Mahjong Soul Rank Match Point Progression Graph Creation Tool" to stabilize your mental state.
- 4 Tactics book
- 4.1 This one book is all you need! Recommended Mahjong Strategy Book: 301 Essential "What to Discard" Situations (Author: G. Uzaku, Editor: Makoto Fukuchi)
- 4.2 Mahjong strategy book "Statistics" Mahjong strategy (Author: Miinin)
- 4.3 Mahjong strategy book "Mahjong AI Tactics: Winning Strategies as Told by the Artificial Intelligence 'Bakuda'" (by Naoki Mizukami)
- 4.4 Mahjong strategy book "Mahjong Winning Techniques: Calling Techniques" (by Akihiro Kawamura)
- 4.5 Mahjong strategy book "Uzaku-style Mahjong Learning: Tile Efficiency" (Author: G. Uzaku)
- 4.6 Mahjong strategy book "Become stronger just by knowing: Mahjong's two choices" (by Miinin and Takunori Kajimoto)
- 4.7 Mahjong strategy book "The Mahjong Mechanism of the Master Mahjong Player" (Author: Naoki Takiguchi)
- 4.8 Introduction and review of the mahjong strategy book "Mahjong Winning System" (author: Takahiro Yamakoshi)
- 4.9 Introduction and review of the mahjong strategy book "New Scientific Mahjong" (author: Totsugeki Tohoku)
- 4.10 Introduction and review of the mahjong strategy book "The Ironclad Tactics of Mahjong AI 'NAGA'" (Author: Shogo Takita)
- 5 others
- 5.1 A recommendation for managing your real-life mahjong results in Excel.
- 5.2 Considering the differences in mindset between those who play real-life mahjong and those who play online mahjong.
- 5.3 If you're around 5th or 6th dan in Tenhou (an online mahjong game), you're considered one of the strongest players in the company.
Tenhou/Jantama related content (Newer content at the bottom)
How to get better at Mahjong: Introduction (for beginners)
The point is that Tenhou is a useful tool for improving your mahjong skills.
Should I play East-South games or East-only games in Tenhou (Mahjong)?
This is a topic that might provoke differing opinions, but I've written down my own thoughts.
Things that helped me go from 4th dan to 6th dan in Tenhou (Mahjong) (including recommendations for strategy books)
This is a story about how, after hitting a wall at the 4th dan level, I was able to get promoted through trial and error.
Finally promoted to 6th dan in Tenhou (Mahjong) - A rough analysis of my current performance.
I'm currently analyzing my performance while competing at the 6th dan level.
I was demoted from 6th dan to 5th dan in Tenhou (Mahjong), so I'm comparing my performance analysis results with those of the Tenhou champion.
This is a story about how, after experiencing relegation for the first time, I was shocked but also thought about what I needed to do.
Re-promoted from 5th to 6th dan in Tenhou (Mahjong): Comparison and analysis of areas where improvements were made.
I was surprisingly promoted back to the next rank, so I was relieved in many ways.
Trial and error at Tenhou (Mahjong) 6th dan: The importance of avoiding last place.
It seems there's a wall at the 6th dan level, and they're trying various things through trial and error.
I'm currently struggling at Tenhou (Mahjong), rank 6, and learning from others.
I'm still unable to overcome the 6-step barrier, so I'm trying to escape reality by changing my perspective a bit.
Tenhou (Mahjong): Promoted to 6th dan for the third time. Using the number of successful sequences as a basis for deciding whether to push or fold.
This is a kind of update on my current situation, saying that I feel like I'm growing with each promotion.
I was promoted to 7th dan in Tenhou (Mahjong) for the first time. I'll share what helped me overcome the hurdle of 6th dan.
Having finally broken through the 6-dan barrier and reached the 7th dan, I'd like to share some helpful books and strategies.
My impressions after playing the online mahjong game "Jantama" until I reached the rank of Mahjong Master.
This post is about my experience playing "Jantama," another online mahjong game besides Tenhou, as a change of pace.
Most of the discussion revolves around comparisons with Tenhou.
Mahjong Soul (Jantama): An analysis of my own performance and my current strategy in the King's Room.
Since my playing style in the "Jade Room" of Mahjong Soul has become more consistent, I'm summarizing my results and playing style here.
Compare and analyze your performance over a specified period using the Mahjong Soul Ticket Log Shop.
This is about using a website called "Mahjong Soul Tifuya" to extract your performance data for a specified period and use it as a tool for improvement.
Mahjong Soul: Things I keep in mind to reduce my last-place rate
Having been promoted to Mahjong Saint rank 2, I've put together a summary of things I've been paying attention to recently.
Mahjong Soul: How to progress from Mahjong Saint 2 to Mahjong Saint 3
I was promoted to Mahjong Saint 3 fairly quickly, so I'm writing about the playing techniques that I found effective.
How to improve your performance in online mahjong game, Jan Soul.
This section describes methods for improvement based on each performance criterion.
We also introduce some tactical books.
An analysis of when you feel you're having bad luck in Mahjong Soul: The Riichi Edition (Mahjong Soul Ticket Record Shop)
When you feel like you're having an unusually bad day, it's important to check the data to calm yourself down.
Having the Mahjong AI "Mortal" analyze game records (Mahjong Soul, Tenhou)
This article introduces how to have AI analyze your mahjong game records online.
Mahjong Soul (Jantama): Points where I changed my playing style since last year and improved my performance.
This section highlights aspects of the changes made since the previous year that appear to be working well.
technical theory
How to improve your mahjong skills: Push/fold decisions (for beginners)
This guide is written for beginners, starting with the basics of what pushing and pulling mean.
How to become a better mahjong player: The art of defending (for beginners)
This article is written for beginners and explains the importance of knowing when to fold.
How to improve your Mahjong skills: Calling techniques (for beginners)
This article is written for beginners, starting with the benefits of bird calls.
Is it a bad-shaped, high-scoring tenpai, or a good-shaped, low-scoring tenpai?
I wrote this with a degree of skepticism, as it contradicts my own feelings.
To get better at mahjong, try thinking about new theories.
This is a story about how I realized how much the theory has changed after studying modern mahjong while playing Tenhou. (Warning: The content I'm writing is outdated and embarrassing.)
psychology
To become a better mahjong player, you need to control your mental game.
I'm writing this almost as if I'm trying to convince myself.
Words to help you stay calm after getting last place in a row in Tenhou
I wrote this again for myself, since I get easily irritated.
Are you okay? A summary of the behaviors of people who are bad at mahjong (mainly regarding manners)
This is basically a rant about my experiences playing mahjong in real life.
Use the "Mahjong Soul Rank Match Point Progression Graph Creation Tool" to stabilize your mental state.
The idea is to graph the point changes to understand how often upward and downward fluctuations occur, thereby preventing mental deterioration.
Tactics book
This one book is all you need! Recommended Mahjong Strategy Book: 301 Essential "What to Discard" Situations (Author: G. Uzaku, Editor: Makoto Fukuchi)
This book is incredibly helpful for improving your skills.
Mahjong strategy book "Statistics" Mahjong strategy (Author: Miinin)
While it may not provide immediate results in improving your skills, it's a good book for bridging the gap between your own impressions and perceptions and reality.
Mahjong strategy book "Mahjong AI Tactics: Winning Strategies as Told by the Artificial Intelligence 'Bakuda'" (by Naoki Mizukami)
While some questions remain, there were some surprising conclusions, making it an intriguing read for future developments.
Mahjong strategy book "Mahjong Winning Techniques: Calling Techniques" (by Akihiro Kawamura)
You can learn the thrilling tactics of a competitive mahjong player, as well as insider tips and tricks that are useful in real mahjong.
Mahjong strategy book "Uzaku-style Mahjong Learning: Tile Efficiency" (Author: G. Uzaku)
This book is a reference guide that summarizes the theory of tile efficiency presented in G. Uzak's "What to Discard."
Mahjong strategy book "Become stronger just by knowing: Mahjong's two choices" (by Miinin and Takunori Kajimoto)
This book is well worth reading, as it provides clear, quantitative answers based on data-driven evidence.
Mahjong strategy book "The Mahjong Mechanism of the Master Mahjong Player" (Author: Naoki Takiguchi)
This is a strategy book that systematically explains the important skills you should acquire to reach the top.
Introduction and review of the mahjong strategy book "Mahjong Winning System" (author: Takahiro Yamakoshi)
This tactics book prioritizes clarity and ease of implementation, with one strategy per page.
Introduction and review of the mahjong strategy book "New Scientific Mahjong" (author: Totsugeki Tohoku)
This is a very useful reference book for checking your answers later on in situations where you were unsure of your decision.
Since it's difficult to put everything into practice, it's helpful to start by mastering the areas you struggle with.
Introduction and review of the mahjong strategy book "The Ironclad Tactics of Mahjong AI 'NAGA'" (Author: Shogo Takita)
This book analyzes the decisions made by the mahjong AI "NAGA," extracts effective strategies, and compiles them in an easy-to-use format.
It breaks down AI decisions that might contradict intuition into easily understandable terms.
others
A recommendation for managing your real-life mahjong results in Excel.
This is the score sheet we use to manage the results of our company's mahjong games.
Considering the differences in mindset between those who play real-life mahjong and those who play online mahjong.
This post is about my experiences playing mahjong with colleagues who have no experience with online mahjong.
If you're around 5th or 6th dan in Tenhou (an online mahjong game), you're considered one of the strongest players in the company.
This article was written to comfort myself, as I can't seem to get past the 6-step barrier.