| B | ↘ | C | Fight got worse |
| ⇢ | A | Fight::shouldBeInFightList() added | |
| ⇢ | A | Fight::createPreliminaryFight() added | |
| ⇢ | A | Fight::belongsToFirstRound() added | |
| ⇢ | A | Fight::generateFightsId() added | |
| ⇢ | A | Fight::updateShortId() added | |
| ⇢ | A | Fight::has2Fighters() added | |
| ⇢ | A | Fight::dontHave2Fighters() added | |
| B | ↗ | A | Fight::hasDeterminedParent() improved |
| A | ↛ | Fight::createFight() removed |