There's a lot to be said about divisional motivation and rivalry. Divisional foes face each other twice a year; familiarity helps a lot in individual matchups (more to follow on individual matchups). We were the last divisional team to win at Candlestick since 2008. No one else has won there either.
To answer a question in one of the posts above:
Last 2 games at the Clink: 71 - 16 in favor of the Seahawks.
Last 2 games at the Stick: 32-23 in favor of the Niners.
Vegas sets the average home field advantage at 3 points. Football is a game of individual matchups; infer what you will about the above scores. Most Whiner fans I've seen have inferred: PED's, "cheating" with crowd noise at the Clink, luck, and the fact that they have 5 championship rings.
To answer a question in one of the posts above:
Last 2 games at the Clink: 71 - 16 in favor of the Seahawks.
Last 2 games at the Stick: 32-23 in favor of the Niners.
Vegas sets the average home field advantage at 3 points. Football is a game of individual matchups; infer what you will about the above scores. Most Whiner fans I've seen have inferred: PED's, "cheating" with crowd noise at the Clink, luck, and the fact that they have 5 championship rings.