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To clarify the most distinctive rule of Tibetan go:
When White plays 1 in the leftmost diagram in ordinary go, he can kill the black group at once by playing at 3 in the rightmost diagram. But in Tibetan go, White 3 cannot be played after Black 2. If White wants to play here, he must first make one or more moves elsewhere, hope that Black answers them, and then come back to 3. Of course, Black is at liberty to ignore a white move and play first at 3 himself to live.
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This restriction forbidding a play on a point just vacated by a captured stone also applies to kos, snapbacks and throw-ins - to all captures, remember.
The position above is based on the game about to be shown. It seems it caught out
at least one if the pros.