Your question's answer is written in Go rules : Since the black player starts the game, he has a significant advantage. In order to balance it, a value called komi is subtracted from the black player score. It is 5.5 for a 19x19 board, 4.5 for a 13x13 board and 3.5 for a 9x9 board.
(скрий) Ако не искате другите потребители да знаят какво правите, преминете в режим пелерина от Настройките (само за платени членове). (pauloaguia) (покажи всички подсказки)