With opposite coloured bishops the attacking side has in effect an extra piece in the shape of his bishop.
Mikhail BotvinnikThe boy (then a 12 year old boy named Anatoly Karpov)doesn't have a clue about Chess, and there's no future at all for him in this profession
Mikhail BotvinnikIt is peculiar but a fact nevertheless, that the gamblers in chess have enthusiastic followers.
Mikhail Botvinnik