Guide/Analysis - Defense Techniques: Kabe and One-Chance

Another common defense technique is kabe, or in English, wall or blockade. When you can see four of a tile, the player can't have that ryanmen, and sometimes it also removes the chance of kanchan. There's also one-chance, when you can see three of a tile. Let's check out how safe they are.

Guide - Defense Techniques: Aida Yon Ken

In this post, we'll talk about an uncommon defense technique called Aida Yon Ken, which refers to four-tile gaps in an opponent's discards, and check the Houou replays to see how much weight it holds.

Analysis - Wait Win Rates by Row

Previously, we looked at the wait win rate of every riichi hand. This time, we'll look at the wait win rate of every riichi hand, separated by row.

Analysis - Sotogawa Effectiveness by Turn and Tile

We've talked about sotogawa before, but the exact effectiveness and extent wasn't really clear. Does a 4 discard create sotogawa tiles? How late can a tile come out before not counting for sotogawa? I dug into the Houou replays hoping to answer these questions.