Guide - Defense Techiques: Sotogawa and Matagi Suji

In this post, we'll look at sotogawa tiles and matagi suji, including checking Houou replays for some related statistics to back up the theory.

Guide - Extremely Minor Advantages: Lone Honours

When deciding between which lone guest wind or which lone dragon to discard, the choice may seem arbitrary, but there are tiny advantages you can gain based on your decisions. Let's take a look.

Analysis - Kokushi Success Rates

In this post, we'll look at how Houou players deal with different kokushi starts. Do they go for kokushi, or abort? Do they try and give up? If they go for it, how often do they get it? If they don't go for it, how often do they win? We'll look at these for the three main game modes, 4P Hanchan, 3P Hanchan, and 4P Tonpu.

Analysis - The Average Houou Player

For the first analysis, we looked at the average Houou game. But, what about the average Houou player? The average call, riichi, win, and deal-in rates? Tenhou's ranking page uses stats from all rooms in its averages, so let's see what the averages are in only Houou games.

Training Tool - Mattari Mahjong

Mattari Mahjong is a single-player Windows application with some fairly tough bots. But, it has a lot more to offer than just that, including defense and push/pull evaluations. It's also very fast, so it's perfect for slipping a game in here and there. But, of course, it's in Japanese, so here's a guide.

Analysis - Second Dora Dragon

This is a quick followup to one of my previous analyses, Lone Dora Dragons. In that, we looked at the danger of discarding a lone dora dragon from your hand. In this, we'll look at the danger of discarding the second.

Analysis - Yaku Combinations

It's the holidays. All the couples are out having fun. But those aren't the couples I care about right now. What are the biggest power couples in Mahjong? The yaku that always show up together? Let's find out.