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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.