Author Archive

4 Feb 2018

Mahjong Fundamentals 6: How to Defend

Defence is a key aspect of riichi mahjong, as discarding someone's winning tile means you pay for all of their winnings. In this article we'll cover some of the basic theories around defence, and how to try

28 Jan 2018

Mahjong Fundamentals 5: Riichi

In this article we’ll look at riichi, the most important and special yaku in riichi mahjong. We'll consider the upsides and downsides to calling riichi, and discuss when it's a good idea to call riichi, and when

13 Jan 2018

Mahjong Fundamentals 4: Yaku and Value

Tile efficiency is important for winning hands, but for most mahjong players what they really want to do is to win games. To win a hand, you just need to be the fastest person to complete your

6 Jan 2018

Mahjong Fundamentals 3: Basic Tile Efficiency

In this article we’ll cover some of the basics of tile efficiency, how best to group our hand into blocks, and what we should do depending on the number of blocks in our hand.

29 Dec 2017

Mahjong Fundamentals 2: Starting Hands & Five Block Theory

In Part 2 of the Mahjong Fundamentals series, we look at some of the basics to analyse our starting hand - identifying where we have isolated tiles, and which ones we should discard first.
29 Dec 2017

Mahjong Fundamentals 1: Introduction

This is an article series aimed at people who are just starting out with learning to play riichi mahjong and are working on how to become strong players - people who have got the hang of the

29 Oct 2017

Tournament Report – WRC 2017

Rosti's report from the 2017 World Riichi Championships, at the Palms Casino Resort in Las Vegas...
21 May 2017

Mahjong Tools Part 2: Tenhou Log Collectors

In this article I cover two tools for downloading Tenhou log files from the web client history for storage and viewing locally.
18 Mar 2017

Mahjong Tools Part 1: Tenhou’s Efficiency Calculator

This the first part of a series I'll be writing on the various websites and programs that exist on the internet for riichi mahjong players. This article takes you through's efficiency calculator for analysing the values