Race condition
A race condition or race hazard is the behavior of an electronics, software, or other system where the system's substantive behavior is dependent on the sequence or timing of other uncontrollable events. It becomes a bug when one or more of the possible behaviors is undesirable.
Capturing race
In the game of go, a capturing race (Japanese language "semeai, 수상전[soosangjeon] in" Korean.) is a tactical situation created in positions when both players have groups striving to capture each other, in some closely delimited area of the board. Typically it is not possible for each side to create a safe group with two eyes.