Calculating poll score in CFC

pollscore.m

-(void)updateStrengthOfWins {
    int strWins = 0;
    for ( int i = 0; i < gameSchedule.count; ++i ) {
        Game *g = gameSchedule[i];
        if (g.homeTeam == self) {
            strWins += pow(60 - g.awayTeam.rankTeamPollScore,2);
        } else {
            strWins += pow(60 - g.homeTeam.rankTeamPollScore,2);
        }
    }
    teamStrengthOfWins = strWins/50;
    for (Team *t in gameWinsAgainst) {
        teamStrengthOfWins += pow(t.wins,2);
    }
}

-(void)updatePollScore {
    [self updateStrengthOfWins];
    int preseasonBias = 8 - (wins + losses);
    if (preseasonBias < 0) preseasonBias = 0;
    teamPollScore = (wins*200 + 3*(teamPoints-teamOppPoints) + (teamYards-teamOppYards)/40 + (teamStrengthOfWins / 2) + 3*(preseasonBias)*(teamPrestige + [self getOffensiveTalent] + [self getDefensiveTalent]) + teamStrengthOfWins)/11 + (teamPrestige / 5);
    if ([@"CC" isEqualToString:confChampion] ) {
        //bonus for winning conference
        teamPollScore += 25;
    }
    if ( [@"NCW" isEqualToString:natlChampWL] ) {
        //bonus for winning champ game
        teamPollScore += 100;
    }
    if ( [@"NCL" isEqualToString:natlChampWL] ) {
        //bonus for winning champ game
        teamPollScore += 15;
    }
    if (losses == 0) {
        teamPollScore += 30;
    } else if (losses == 1 ) {
        teamPollScore += 15;
    } else {
        teamPollScore += 0;
    }

    if (teamPollScore < 0) {
        teamPollScore = 0;
    }
}