counter
-nth game (of 12 rounds)
Hanafuda counter for the ordinal number of a game within a set of 12 rounds. Used in expressions like 一番個 (the first game), 二番個 (the second game), etc.
花札では、一番個から十二番個までを競う。
In hanafuda, players compete from the first game to the twelfth game.
三番個で逆転した。
The tide turned in the third game.