Practical Approach to Yose

Path: <= Endgame =>
    Keywords: EndGame

It is hard to determine the exact value of an endgame move, and often in a real game, there is no time for that either. Therefore here's a page about how to quickly make an estimation of an end game move. Note the values mentioned here are deiri values.

General Principles

  1. Plays on the higher lines are larger. So play on the 3rd line first, 2nd line next, and 1st line last.
  2. On the same line, corner plays are larger than side plays.
  3. In general, plays in areas of lower stone density (that is, where stones are scarce) are larger.

Determine The Points Difference Fast


How many points is the second line hane worth here?

W4 elsewhere  

It is easy to read out something like this for Black.

B4 elsewhere  

And something like this for White.

Instead of trying to count the territory in both reading and make out the difference,there's a simpler way to know the difference.

Knowing how many points each "component" is worth, it is simple to tell what the difference is:

2 * (3 for second line hane + 2 for first line hane) = 10 points

Common Gote Components
Common Sente Components
Practice Problems

When to Play a Privilege Move

When we say a move at is someone's privilege, it basically just means it will be a sente move at some point.

Such move should be played after it becomes sente, but before the reverse sente gets played.

The idea is simple, but mistakes about wrong timing happen all the time.

Here's a trivial example on how to approach such a problem:


a is 1 points sente for White, but when should White play it?


First calculate the threat size.

Left: Black doesn't answer and White gets 4 points.

Right: Black answers and has 3 points.

So the threat size is 7.


Next calculate the value of reverse sente. The difference is 1 point.

Therefore, the answer is: White should play this move when the ambient temperature is between 2 points and 7 points.

Ideally, White would like to play this when the ambient temperature is as close to 1 point as possible -- that's what it means to be a 1 point sente --, but that's another story.

Privilege Move Exercises

Path: <= Endgame =>
Practical Approach to Yose last edited by hnishy on February 28, 2023 - 22:25
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