Changes

**When a ship has additional bonuses to a group compared to her type, this bonus is summed as a separate "Group"

**When a ship has additional bonuses to a group compared to her type, this bonus is summed as a separate "Group"

*<math>N_{Group}</math> the number of guns of a same group.

*<math>N_{Group}</math> the number of guns of a same group.

*<math>M</math> the marriage bonus of '''0.6''' when applicable, '''1''' else.

*<math>M</math> the [[Marriage]] bonus of '''0.6''' when applicable, '''1''' else.

**This bonus is applied in all cases, so penalties are reduced by 0.6, as well as bonuses.  

**This bonus is applied in all cases, so penalties are reduced by 0.6, as well as bonuses.  

**For {{Class|Iowa}} with the '''USN 16" Mk7''' guns, '''M''' may be better (about 0.7).

**For {{Class|Iowa}} with the '''USN 16" Mk7''' guns, '''M''' may be better (about 0.7).