5.5. What is reverse sente? (Go)

Description
This article is from the Go FAQ, by
Morten PAHLE gofaq@pahle.org.uk with numerous contributions by
others.
5.5. What is reverse sente? (Go)
. . . . . . O O O O O |
# # # # # # O . . . . |
# . . . . # O . . . . | (all stones independently alive)
# . . . . . . . . . . |
-----------------------+
In this position, Black can hane and connect in sente, whereas White
can only do so in gote. Because White's gote play forestalls Black's
sente play, White's play is called reverse sente.
So, with deiri counting (see above) this is 3 points in reverse sente.
With miai counting it is -2 (White has 2 points more than Black).
The miai value is 0 for Black (no change of score!) and 3 for White.
 
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