public int GetGamePoints(Tournament tournament, Player player, int? roundNumber = null)
{
return tournament
.GetPlayerGames(player, roundNumber)
.Select(game => new PlayerStats(
wins: game.Winner == player ? 1 : 0,
losses: game.Winner != player && game.Winner != null ? 1 : 0,
draws: game.Winner == null ? 1 : 0
))
.Aggregate(0, (sum, stats) => sum + (stats.Wins * GameWin + stats.Draws * GameDraw + stats.Losses * GameLoss));
}
public decimal GetGameWinPercentage(Tournament tournament, Player player, int? roundNumber = null)
{
var achieved = GetGamePoints(tournament, player, roundNumber);
var maximum = tournament
.GetPlayerGames(player, roundNumber)
.Count() * GameWin;
if(maximum == 0)
return 0.33m;
var rawPercentage = achieved / (decimal)maximum;
// Game win percentage is capped at 0.33 on the low end
return Math.Max(0.33m, rawPercentage);
}