Coupleis-swap rule transliterate Chinese into English is "LianHuan" rule, and abbreviated to LH rule.
LH rule has 21 kind of model. Assume: 1st player is A, and 2nd player is B, "A1" mean's player A put move 1 with black stone, "B4" mean's player B put move 4 with white stone. "A12" mean's ...