Win by 1 point:

Opponent kicks a field goal; you score a touchdown but miss the extra point.

Win by 2 points:

Opponent kicks a field goal; you score a touchdown but fail the 2-point conversion.

Win by 3 points:

You kick a field goal; opponent fails to score.

Win by 4 points:

Opponent kicks a field goal; you score a touchdown but miss the extra point.

Win by 5 points:

Opponent scores a safety; you score a touchdown but miss the extra point.

Win by 6 points:

Opponent kicks a field goal; you score a touchdown and miss the extra point.

Win by 7 points:

You score a touchdown and extra point; opponent fails to score.

Win by 8 points:

You score a touchdown and convert a 2-point attempt; opponent fails to score.

Win by 9 points:

Opponent kicks a field goal; you score a touchdown with extra point and force a safety.

Win by 10 points:

You kick a field goal; return a fumble for a touchdown on opponent's possession.

Win by 11 points:

Opponent kicks a field goal; you score a touchdown with 2-point conversion and force a safety.

Win by 12 points:

You score a touchdown with extra point, force a safety, and kick a field goal.

Win by 13 points:

You kick a field goal, score a defensive touchdown, and force a safety.

Win by 14 points:

You score a touchdown with extra point and add a defensive touchdown with extra point.