[ Honestly, such reactions are commonplace. When living upon a largely Human starship? It is actually expected. It is rare enough to see a Vulcan outside the bounds of their own planet, vessels, and ambassadorial routes. To see one within the confines of the Federation? Much less, one with such unheard of ancestry?

But, it is neither here nor there. Spock simply glances up when she poses her question. His hand, which had been going to move another piece against himself, suddenly pauses. He settles it in his lap. ]

Mathematics, [ he says, tipping his head just so. ] Calculating the relative distance between yourself and the target, I am able to use the sound of the arrow's impact to determine its velocity as subtracted from the distance of myself from its line of fire. While it is approximate without factoring in the exact weight of the arrow, it is not difficult to assign it a likely range.

[ A beat. Perhaps it would be unsurprising that Spock would take such a comparison to computer of sorts as a compliment. He has seen her about himself, but: ] Moreover, tabulating your score has proven enlightening.

[ In other words, he's seeing more hits toward the center than not and has that down to an average. It's fine. ]