BolfTracker.Web.GamePanelViewModel.GetPlayersWhoCanWin C# (CSharp) Method

        private IEnumerable<LeaderboardViewModel> GetPlayersWhoCanWin(int currentHole)
        {
            if (_playersWhoCanWin == null)
            {
                int currentPointsAvailable = GetPointsAvailable(currentHole);
                var leaderboard = Leaderboard.OrderByDescending(l => l.Points);

                var leader = leaderboard.First();

                // This is the leader's points not counting any temporary points scored on the current hole
                var leaderPoints = Shots.Where(s => s.Player.Id == leader.Player.Id && s.Hole.Id < currentHole).Sum(s => s.Points);

                if (leaderboard.Count(l => l.Points > leaderPoints) > 1)
                {
                    var leaderAtBeginningOfHole = leaderboard.Where(l => l.Player.Id != leader.Player.Id).OrderByDescending(l => l.Points);

                    leaderPoints = leaderAtBeginningOfHole.First().Points;
                }

                var playersWhoCanWin = new List<LeaderboardViewModel>();

                foreach (var player in leaderboard)
                {
                    // If the player has already gone on this hole and made the shot then we need to
                    // subtract those points for the next calculation
                    var newPlayerCurrentHoleShot = Shots.Where(s => s.Player.Id == player.Player.Id && s.Hole.Id == currentHole && s.Points > 0);

                    int playerCurrentHolePoints = newPlayerCurrentHoleShot.Any() ? newPlayerCurrentHoleShot.First().Points : 0;

                    // If the player can at least tie the leader, then he gets to take all shots
                    if (((player.Points - playerCurrentHolePoints) + currentPointsAvailable) >= leaderPoints)
                    {
                        playersWhoCanWin.Add(player);
                    }
                }

                _playersWhoCanWin = playersWhoCanWin;
            }

            return _playersWhoCanWin;
        }