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.
(gem) Når du rykker i et spil, kan du vælge hvilket spil du går videre til ved at vælge i listen ved siden af træk knappen. (pauloaguia) (vis alle tips)