public IList<Dictionary<int, PlayerPerformance>> GetAllPlayerPointPerformances(int numberOfIterations)
        {
            // pull data
            SqlConnection connection = new SqlConnection(_connectionString);
            connection.Open();
            SqlTransaction transaction = connection.BeginTransaction();
            var players = new PlayerGateway(connection, transaction).GetAllPlayers().GroupBy(p => p.ID).ToDictionary(g => g.Key, g => g.ToDictionary(g2 => g2.TeamID));
            var jams = new JamGateway(connection, transaction).GetAllJams().OrderBy(j => j.ID);
            var jamBoutMap = jams.ToDictionary(j => j.ID, j => j.BoutID);
            var jpe = new JamPlayerEffectivenessGateway(connection, transaction).GetAllJamPlayerEffectiveness();
            var jamData = new JamDataGateway(connection, transaction).GetAllJamData()
                .GroupBy(jd => jd.JamID)
                .ToDictionary(g => g.Key, g => g.ToDictionary(g2 => g2.TeamID));
            var teams = new TeamGateway(connection, transaction).GetAllTeams().ToDictionary(t => t.ID);
            var bouts = new BoutGateway(connection, transaction).GetBouts().ToDictionary(t => t.ID);
            var penalties = new PenaltyGateway(connection, transaction).GetAllPenalties()
                .GroupBy(p => p.JamID)
                .ToDictionary(
                    g => g.Key,
                    g => g.GroupBy(g2 => g2.PlayerID).ToDictionary(g3 => g3.Key, g3 => g3.ToList()));
            var pgs = new PenaltyGroupGateway(connection, transaction).GetAllPenaltyGroups();
            Dictionary<int, int> boxTimeEstimates = new BoxTimeEstimateGateway(connection, transaction).GetAllBoxTimeEstimates();
            Dictionary<FoulComparison, Dictionary<int, float>> sss = new SituationalScoreGateway(connection, transaction).GetAllSituationalScores();
            AveragePenaltyCostPerJam avgPenCost = new AveragePenaltyCostGateway(connection, transaction).GetAveragePenaltyCost();
            Dictionary<int, Dictionary<int, JamPlayer>> jamPlayerMap = new JamPlayerGateway(connection, transaction).GetJamPlayers()
                .GroupBy(jp => jp.JamID)
                .ToDictionary(g => g.Key, g => g.ToDictionary(g2 => g2.PlayerID));
            transaction.Commit();
            connection.Close();

            Dictionary<FoulComparison, float> medians = CalculateMedianScores(sss);
            PenaltyCostCalculator ppcCalc = new PenaltyCostCalculator(_connectionString);
            Dictionary<int, double> groupPenaltyCostMap = PenaltyCostCalculator.CalculatePointCosts(jamData, jamPlayerMap, pgs, boxTimeEstimates, sss);
            Dictionary<int, double> jamTotalPortionMap = new Dictionary<int, double>(300);

            var previousResult = GenerateInitialPlayerPerformance(players, jams, jpe, jamData, teams, bouts, penalties, pgs, avgPenCost, medians, groupPenaltyCostMap, jamTotalPortionMap);

            List<Dictionary<int, PlayerPerformance>> result = new List<Dictionary<int, PlayerPerformance>>(numberOfIterations);
            result.Add(previousResult);
            int i = 0;
            while(i < numberOfIterations)
            {
                previousResult = GeneratePlayerPerformanceIteration(previousResult, jams, jamData, jamTotalPortionMap, jpe, avgPenCost);
                result.Add(previousResult);
                i++;
            }

            return result;
        }
        public IList<PlayerPerformance> GetPlayerPointPerformancesForTeam(int teamID)
        {
            // pull data
            SqlConnection connection = new SqlConnection(_connectionString);
            connection.Open();
            SqlTransaction transaction = connection.BeginTransaction();
            var players = new PlayerGateway(connection, transaction).GetPlayersForTeam(teamID).ToDictionary(p => p.ID);
            var jams = new JamGateway(connection, transaction).GetJamsForTeamAfterDate(teamID, new DateTime(2016,1,1)).OrderBy(j => j.ID);
            var jamBoutMap = jams.ToDictionary(j => j.ID, j => j.BoutID);
            var jpe = new JamPlayerEffectivenessGateway(connection, transaction).GetJamPlayerEffectivenessForTeam(teamID);
            var jamData = new JamDataGateway(connection, transaction).GetJamDataForTeam(teamID).ToDictionary(jd => jd.JamID);
            var teams = new TeamGateway(connection, transaction).GetAllTeams().ToDictionary(t => t.ID);
            var bouts = new BoutGateway(connection, transaction).GetBouts().ToDictionary(t => t.ID);
            var penalties = new PenaltyGateway(connection, transaction).GetPenaltiesForTeam(teamID)
                .GroupBy(p => p.JamID)
                .ToDictionary(
                    g => g.Key,
                    g => g.GroupBy(g2 => g2.PlayerID).ToDictionary(g3 => g3.Key, g3 => g3.ToList()));
            var pgs = new PenaltyGroupGateway(connection, transaction).GetPenaltyGroupsForTeam(teamID);
            Dictionary<int, int> boxTimeEstimates = new BoxTimeEstimateGateway(connection, transaction).GetAllBoxTimeEstimates();
            Dictionary<FoulComparison, Dictionary<int, float>> sss = new SituationalScoreGateway(connection, transaction).GetAllSituationalScores();
            AveragePenaltyCostPerJam avgPenCost = new AveragePenaltyCostGateway(connection, transaction).GetAveragePenaltyCost();
            transaction.Commit();
            connection.Close();

            Dictionary<FoulComparison, float> medians = CalculateMedianScores(sss);
            PenaltyCostCalculator ppcCalc = new PenaltyCostCalculator(_connectionString);
            Dictionary<int, double> groupPenaltyCostMap = ppcCalc.CalculatePointCostsForTeam(jamData, pgs, boxTimeEstimates, sss);
            Dictionary<int, PlayerPerformance> pps = new Dictionary<int, PlayerPerformance>(25);
            Dictionary<int, double> jamTotalPortionMap = new Dictionary<int, double>(300);

            foreach(Jam jam in jams)
            {
                var pe = jpe[jam.ID];
                foreach(JamPlayerEffectiveness eff in pe.Values)
                {
                    // get/set PlayerPerformance object
                    if(!pps.ContainsKey(eff.PlayerID))
                    {
                        pps[eff.PlayerID] = new PlayerPerformance
                        {
                            Player = players[eff.PlayerID],
                            Bouts = new List<BoutPerformance>()
                        };
                    }
                    PlayerPerformance curPP = pps[eff.PlayerID];

                    // get/set BoutPerformance object
                    Bout bout = bouts[jam.BoutID];
                    BoutPerformance bp = null;
                    if (!curPP.Bouts.Any() ||
                        curPP.Bouts.Last().BoutID != bout.ID)
                    {
                        bp = new BoutPerformance
                        {
                            BoutID = bout.ID,
                            AwayTeamName = teams[bout.AwayTeamID].Name,
                            HomeTeamName = teams[bout.HomeTeamID].Name,
                            BoutDate = bout.BoutDate,
                            Jams = new List<JamPerformance>()
                        };
                        curPP.Bouts.Add(bp);
                    }
                    else
                    {
                        bp = curPP.Bouts.Last();
                    }

                    JamTeamData jd = jamData[jam.ID];
                    int penaltyCount = penalties.ContainsKey(jam.ID) && penalties[jam.ID].ContainsKey(eff.PlayerID) ? penalties[jam.ID][eff.PlayerID].Count() : 0;
                    JamPerformance jp = new JamPerformance
                    {
                        BlockerJamPercentage = eff.IsJammer ? 0 : eff.JamPortion,
                        DeltaPercentile = eff.BaseQuality,
                        IsFirstHalf = jam.IsFirstHalf,
                        JamID = jam.ID,
                        JammerJamPercentage = eff.IsJammer ? eff.JamPortion : 0,
                        JamNumber = jam.JamNumber,
                        JamPenalties = penaltyCount,
                        MedianDelta = medians[jd.FoulComparison],
                        PenaltyCost = 0,
                        PointDelta = jd.PointDelta
                    };
                    if (jamTotalPortionMap.ContainsKey(jam.ID))
                    {
                        jamTotalPortionMap[jam.ID] += eff.IsJammer ? eff.JamPortion * 4 : eff.JamPortion;
                    }
                    else
                    {
                        jamTotalPortionMap[jam.ID] = eff.IsJammer ? eff.JamPortion * 4 : eff.JamPortion;
                    }
                    bp.Jams.Add(jp);
                }
            }

            foreach(PenaltyGroup pg in pgs)
            {
                foreach(Penalty p in pg.Penalties)
                {
                    if (jams.Any(j => j.ID == p.JamID))
                    {
                        JamPerformance jp = pps[p.PlayerID].Bouts.SelectMany(b => b.Jams).Where(j => j.JamID == p.JamID).First();
                        jp.PenaltyCost += groupPenaltyCostMap[pg.GroupID];
                    }
                }
            }

            foreach(PlayerPerformance pp in pps.Values)
            {
                RollUpPlayerPerformance(avgPenCost, jamTotalPortionMap, pp);
            }

            CalculateTeamAverages(pps, bouts);
            foreach(PlayerPerformance pp in pps.Values)
            {
                pp.BlockerPerformance.PlayerValueVersusTeamAverage = pp.Bouts.Sum(b => b.BlockerPerformance.PlayerValueVersusTeamAverage);
                pp.JammerPerformance.PlayerValueVersusTeamAverage = pp.Bouts.Sum(b => b.JammerPerformance.PlayerValueVersusTeamAverage);
            }

            return pps.Values.ToList();
        }