Complex sentence: The oldest known game record was published in the Chosun Ilbo newspaper March 1937, although the game was played much earlier, it is between No Sa-ch'o and Ch'ae Keuk-mun.
Split into simpler sentences: The oldest known game record was published in the Chosun Ilbo newspaper on March 1937, although the game was played much earlier. The game is between No Sa-ch'o and Ch'ae Keuk-mun.