Both Janggi and Isola are board-based strategy games; however, which game is played on a 9x10 gameboard similar to Chinese Chess?
Janggi: Janggi (including romanizations changgi and jangki), sometimes called Korean chess, is a strategy board game popular in Korea. Janggi:  The game derived from xiangqi (Chinese chess) and is very similar to it, including the starting position of the pieces, and the 9×10 gameboard, but without the xiangqi "river" dividing the board horizontally in the middle. Isola (board game): Isola is a two-player abstract strategy board game.
i don't know