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OG2M150 How Big
   

[Diagram]
Diag.: White's move

If white takes the stone the local score becomes -14.


[Diagram]
Diag.: Black's move (last move marked)

The local score is +2.

Thus the local score is -8 and the value of the move is 8 points.

As far as I remember the value of the monkey jump is 7.5 points.
dnerra: Which monkey jump? :-) I think in general, its value depends quite a lot on circumstances. Do you mean the one in upper right?

HolIgor: I meant a generic monkey jump. I have not counted this particular case yet. Although I play white in this game, the general problem of finding the largest move is very interesting. Learning to play bg yose is an important thing. See below.


Bill Spight:

[Diagram]
Diag.: Local count after White plays

White has 12 points for the captured stones (marked), 9 more points of territory (circled), and 1/2 point (squared). The local count is - 21.5.


[Diagram]
Diag.: Local count after Black captures

There are several plays worth 1 point miai, and White has sente.
White gets 4 points for the captured stones plus 4.5 points of territory. Black gets 1 point for the captured stone. The local count is - 7.5. So the miai value of a play is 7 points.

(Note: If Black is komaster, he gains a slight advantage, and the miai value is slightly larger.)


The value of the monkey jump on the left.

[Diagram]
Diag.: White's move

The local score is 16-3 = 13.


[Diagram]
Diag.: Black's move

The local score is 21. So, the value of the move is only 4 points. Things get too complicated by a side effect on the upper group though.




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